WELCH & FORBES INC
13F-HR, 2000-10-05
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<PAGE>

                                   FORM 13F

               INFORMATION REQUIRED OF INSTITUTIONAL INVESTMENT
             MANAGERS PURSUANT TO SECTION 13(f) OF THE SECURITIES
                   EXCHANGE ACT OF 1934 AND RULES THEREUNDER

                      Securities and Exchange Commission
                            Washington, D.C. 20549

                 Report for the Calendar Quarter Ended 9/30/00
                                                       -------

                        If amended report check here: [_]

Name of Institutional Manager:

     Welch & Forbes, Inc.
--------------------------------------------------------------------------------

Business Address:

Street  45 School Street      City  Boston       State  MA      Zip  02108
        -------------------         -----------         -----        --------

Name, Phone No. and Title of Person Duly Authorized to Submit Report:

     V. William Efthim, (617) 523-1635, Vice President
--------------------------------------------------------------------------------

          The institutional investment manager submitting this Form and its
attachments and the person by whom it is signed represent hereby that all the
information contained therein is true, correct and complete. It is understood
that all the required items, statements and schedules are considered integral
parts of this Form and that the submission of any amendment represents that all
unamended items, statements and schedules remain true, correct and complete as
previously submitted.

          Pursuant to the requirements of Securities Exchange Act of 1934, the
undersigned institutional investment manager has caused this report to be signed
on his behalf in the City of Boston and State of Massachusetts on the 2nd day of
October, 2000.

                                                  WELCH & FORBES, INC.
                                               ------------------------------


                                               ______________________________

Name and 13F file numbers of all Institutional Investment Managers with respect
to which this schedule is filed (other than the one filing this report).
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE      1
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY:      (2) WELCH AND FORBES

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
          COMMON
          ------

A T & T CORP                   001957109            748,093.15         25467  X                        0              0      25467
                                                  3,724,661.90        126797       X                   0              0     126797
                                             ----------------- -------------                ------------     ---------- ----------
                                                  4,472,755.05        152264                           0              0     152264

A T & T CORP-LIBERTY MEDIA     001957208          4,810,770.00        267265  X                        0              0     267265
GROUP A
                                                 12,712,122.00        706229       X               10000              0     696229
                                             ----------------- -------------                ------------     ---------- ----------
                                                 17,522,892.00        973494                       10000              0     963494

ABACAN RESOURCES CORP          002919108                120.00         12000  X                        0              0      12000

ABBOTT LABS                    002824100         18,002,025.77        378492  X                        0              0     378492
                                                 36,842,007.66        774602       X                   0              0     774602
                                             ----------------- -------------                ------------     ---------- ----------
                                                 54,844,033.43       1153094                           0              0    1153094

ABTECH INDUSTRIES INC          00352099A             30,003.75          5715  X                        0              0       5715
                                                     79,994.25         15237       X                   0              0      15237
                                             ----------------- -------------                ------------     ---------- ----------
                                                    109,998.00         20952                           0              0      20952

ADVANCED MULTIMEDIA GROUP INC  00765849A             50,000.00         12500       X                   0              0      12500

AES CORP                       00130H105          4,966,250.00         72500  X                        0              0      72500

AETNA INC                      008117103             31,934.38           550  X                        0              0        550
                                                    450,855.31          7765       X                   0              0       7765
                                             ----------------- -------------                ------------     ---------- ----------
                                                    482,789.69          8315                           0              0       8315

AFLAC INC                      001055102            499,687.50          7800  X                        0              0       7800
                                                    160,156.25          2500       X                   0              0       2500
                                             ----------------- -------------                ------------     ---------- ----------
                                                    659,843.75         10300                           0              0      10300

AGILENT TECHNOLOGIES INC       00846U101            914,837.68         18694  X                        0              0      18694
                                                 10,020,051.35        204752       X                1220              0     203532

                                             ----------------- -------------                ------------     ---------- ----------
</TABLE>
<PAGE>

<TABLE>
<CAPTION>

REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE      2
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
          COMMON (cont.)
          --------------

                                             ----------------- -------------               -------------     ---------- ----------
                                                 10,934,889.03        223446                        1220              0     222226

AIR PRODS & CHEMS INC          009158106            813,600.00         22600  X                        0              0      22600
                                                  4,687,488.00        130208       X                   0              0     130208
                                             ----------------- -------------               -------------     ---------- ----------
                                                  5,501,088.00        152808                           0              0     152808

ALCOA INC.                     013817101            156,937.50          6200  X                        0              0       6200
                                                    202,500.00          8000       X                   0              0       8000
                                             ----------------- -------------               -------------     ---------- ----------
                                                    359,437.50         14200                           0              0      14200

ALLEGIANCE TELECOM INC         01747T102            100,575.00          2700  X                        0              0       2700
                                                    886,550.00         23800       X                   0              0      23800
                                             ----------------- -------------               -------------     ---------- ----------
                                                    987,125.00         26500                           0              0      26500

ALLIANT ENERGY CORP            018802108             10,281.25           350  X                        0              0        350
                                                  2,640,313.13         89883       X                   0              0      89883
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,650,594.38         90233                           0              0      90233

ALLIED CAPITAL CORP            01903Q108            346,525.00         16700       X                   0              0      16700

ALLSTATE CORP                  020002101            114,918.25          3307  X                        0              0       3307
                                                    826,355.00         23780       X                   0              0      23780
                                             ----------------- -------------               -------------     ---------- ----------
                                                    941,273.25         27087                           0              0      27087

ALLTEL CORP                    020039103            508,515.01          9744  X                        0              0       9744
                                                  7,449,556.93        142746       X                   0              0     142746
                                             ----------------- -------------               -------------     ---------- ----------
                                                  7,958,071.94        152490                           0              0     152490

ALPHA BETA TECHNOLOGY INC      02071K105                  0.00         45000  X                        0              0      45000

ALZA CORP DEL                  022615108             86,500.00          1000  X                        0              0       1000
                                                  5,345,700.00         61800       X                   0              0      61800


                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 24,176,315.07        587818                           0              0     587818
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE      3
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                             ----------------- -------------               -------------     ---------- ----------
                                                  5,432,200.00         62800                           0              0      62800

AMERICA ONLINE INC             02364J104            462,465.00          8604  X                        0              0       8604
                                                    823,718.75         15325       X                   0              0      15325
                                             ----------------- -------------               -------------     ---------- ----------
                                                  1,286,183.75         23929                           0              0      23929

AMERICAN BIOGENETIC            024611105             31,240.00         20000       X                   0              0      20000

AMERICAN ELEC PWR INC          025537101             42,059.38          1075  X                        0              0       1075
                                                    266,167.38          6803       X                   0              0       6803
                                             ----------------- -------------               -------------     ---------- ----------
                                                    308,226.76          7878                           0              0       7878

AMERICAN EXPRESS CO            025816109          2,743,591.50         45162  X                        0              0      45162
                                                 10,188,807.75        167717       X                   0              0     167717
                                             ----------------- -------------               -------------     ---------- ----------
                                                 12,932,399.25        212879                           0              0     212879

AMERICAN GENERAL CORP          026351106            168,246.00          2157  X                        0              0       2157
                                                 16,385,304.00        210068       X                   0              0     210068
                                             ----------------- -------------               -------------     ---------- ----------
                                                 16,553,550.00        212225                           0              0     212225

AMERICAN HOME PRODS CORP       026609107          4,649,776.89         82206  X                        0              0      82206
                                                 33,411,072.87        590693       X                   0              0     590693
                                             ----------------- -------------               -------------     ---------- ----------
                                                 38,060,849.76        672899                           0              0     672899

AMERICAN INTL GROUP            026874107         23,179,149.06        242238  X                     2750              0     239488
                                                125,684,312.05       1313487       X                   0              0    1313487
                                             ----------------- -------------               -------------     ---------- ----------
                                                148,863,461.11       1555725                        2750              0    1552975

AMERICAN WTR WKS INC           030411102            441,000.00         16000       X                   0              0      16000

AMGEN INC                      031162100          3,222,003.57         46142  X                      800              0      45342
                                                 14,154,275.26        202702       X                   0              0     202702


                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                235,853,189.46       2970379                        3550              0    2966829
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE      4
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
          COMMON (cont.)
          --------------

                                             ----------------- -------------               -------------     ---------- ----------
                                                 17,376,278.83        248844                         800              0     248044

ANADARKO PETE CORP             032511107            132,920.00          2000  X                        0              0       2000
                                                  1,300,356.36         19566       X                   0              0      19566
                                             ----------------- -------------               -------------     ---------- ----------
                                                  1,433,276.36         21566                           0              0      21566

ANALOG DEVICES INC             032654105          1,953,428.76         23660  X                        0              0      23660
                                                  7,314,211.90         88590       X                   0              0      88590
                                             ----------------- -------------               -------------     ---------- ----------
                                                  9,267,640.66        112250                           0              0     112250

ANDREW CORP                    034425108            299,474.52         11436  X                        0              0      11436
                                                     39,280.50          1500       X                   0              0       1500
                                             ----------------- -------------               -------------     ---------- ----------
                                                    338,755.02         12936                           0              0      12936

ANHEUSER BUSCH COS INC         035229103            709,157.50         16760  X                        0              0      16760
                                                 11,703,637.50        276600       X                   0              0     276600
                                             ----------------- -------------               -------------     ---------- ----------
                                                 12,412,795.00        293360                           0              0     293360

AON CORP                       037389103            293,825.50          7486  X                        0              0       7486
                                                     95,377.50          2430       X                   0              0       2430
                                             ----------------- -------------               -------------     ---------- ----------
                                                    389,203.00          9916                           0              0       9916

APACHE CORP                    037411105            611,943.75         10350  X                        0              0      10350
                                                    650,375.00         11000       X                   0              0      11000
                                             ----------------- -------------               -------------     ---------- ----------
                                                  1,262,318.75         21350                           0              0      21350

APPLIED MATLS INC              038222105          1,006,702.58         16973  X                        0              0      16973
                                                  2,965,600.00         50000       X                   0              0      50000
                                             ----------------- -------------               -------------     ---------- ----------
                                                  3,972,302.58         66973                           0              0      66973

ARCTURUS PHARMACEUTICAL        03968R104                  0.00         32895  X                        0              0      32895
CORPORATION

                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 29,076,291.37        571246                           0              0     571246
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE      5
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST

                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
          COMMON (cont.)
          --------------
<S>                            <C>            <C>              <C>           <C>   <C>       <C>             <C>         <C>
ARGUSS COMMUNICATIONS INC      040282105            882,163.11         43165       X                   0              0      43165

AU BON PAIN INC B              050990100             21,216.44          4297  X                        0              0       4297
                                                    656,682.58        132999       X                   0              0     132999
                                             ----------------- -------------               -------------     ---------- ----------
                                                    677,899.02        137296                           0              0     137296

AUTOMATIC DATA PROCESSING      053015103          5,007,533.15         74879  X                      500              0      74379
                                                 10,115,378.75        151258       X                   0              0     151258
                                             ----------------- -------------               -------------     ---------- ----------
                                                 15,122,911.90        226137                         500              0     225637

AVALONBAY COMMUNITIES INC      053484101            309,968.75          6500  X                        0              0       6500

AVANDEL HEALTHCARE INC         9899479J7            750,000.00        750000       X                   0              0     750000

AVERY DENNISON CORP            053611109            383,335.75          8266  X                        0              0       8266
                                                    398,825.00          8600       X                   0              0       8600
                                             ----------------- -------------               -------------     ---------- ----------
                                                    782,160.75         16866                           0              0      16866

AVERY DEWING CORP              0536229A6            654,385.68          1083       X                   0              0       1083

AVIRON                         053762100            320,716.00          5500  X                        0              0       5500
                                                  1,970,945.60         33800       X                   0              0      33800
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,291,661.60         39300                           0              0      39300

B B & T CORP                   054937107            120,500.00          4000  X                        0              0       4000
                                                    493,146.25         16370       X                   0              0      16370
                                             ----------------- -------------               -------------     ---------- ----------
                                                    613,646.25         20370                           0              0      20370

BALLARD POWER SYSTEMS          05858H104          5,736,465.00         52500       X                   0              0      52500

BANK NEW YORK INC              064057102            700,781.25         12500  X                        0              0      12500
                                                  3,358,872.56         59913       X                   0              0      59913
                                             ----------------- -------------               -------------     ---------- ----------
                                                  4,059,653.81         72413                           0              0      72413

BANK OF AMERICA CORP           060505104            390,769.88          7461  X                        0              0       7461
                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 32,271,685.75       1373091                         500              0    1372591
</TABLE>
<PAGE>

<TABLE>
<CAPTION>

REPORT RUN: 10/02/2000 at 08:43 AM                          EQUITIES DISCLOSURE (13-F)                                     PAGE   6
BUSINESS DATE: 10/02/2000                                                                                             R33.002.001

                                                               As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                                  2,288,473.28         43694       X                   0              0      43694
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,679,243.16         51155                           0              0      51155

BANK ONE CORP                  06423A103          1,735,884.76         44942  X                        0              0      44942
                                                  8,652,733.89        224019       X                   0              0     224019
                                             ----------------- -------------               -------------     ---------- ----------
                                                 10,388,618.65        268961                           0              0     268961

BANKNORTH GROUP INC            06646R107             14,300.00           800  X                        0              0        800
                                                    334,441.25         18710       X                   0              0      18710
                                             ----------------- -------------               -------------     ---------- ----------
                                                    348,741.25         19510                           0              0      19510

BAXTER INTL INC                071813109          1,347,873.50         16888       X                   0              0      16888

BEACON CAP PTRS INC - WYNDHAM  073561987              6,631.51            71  X                        0              0         71
VOTING TR
                                                    285,075.45          3062       X                   0              0       3062
                                             ----------------- -------------               -------------     ---------- ----------
                                                    291,706.96          3133                           0              0       3133

BEACON CAPITAL PARTNERS INC    073561300          1,290,000.00         64500       X                   0              0      64500

BECTON DICKINSON & CO          075887109            375,412.50         14200       X                   0              0      14200

BELLSOUTH CORP                 079860102            799,485.75         19863  X                        0              0      19863
                                                 26,802,837.25        665909       X                   0              0     665909
                                             ----------------- -------------               -------------     ---------- ----------
                                                 27,602,323.00        685772                           0              0     685772

BELO A H CORP DEL              080555105          1,235,755.00         67024       X                   0              0      67024

BERKSHIRE HATHAWAY INC B       084670207          1,281,330.00           619  X                        0              0        619
                                                  6,944,850.00          3355       X                   0              0       3355
                                             ----------------- -------------               -------------     ---------- ----------
                                                  8,226,180.00          3974                           0              0       3974

BERKSHIRE HATHAWAY INC CL A    084670108             64,400.00             1  X                        0              0          1
CONV

                                                    257,600.00             4       X                   0              0          4
                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 53,717,084.14       1187661                           0              0    1187661
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                        EQUITIES DISCLOSURE (13-F)                                       PAGE   7
BUSINESS DATE: 10/02/2000                                                                                             R33.002.001

                                                              As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- -------------               -------------     ---------- ----------
                                                    322,000.00             5                           0              0          5

BESTFOODS                      08658U101            327,375.00          4500  X                        0              0       4500
                                                  1,066,951.50         14666       X                   0              0      14666
                                             ----------------- -------------               -------------     ---------- ----------
                                                  1,394,326.50         19166                           0              0      19166

BIOGEN INC                     090597105            890,600.00         14600       X                   0              0      14600

BLACK & DECKER CORP            091797100            177,775.00          5200  X                        0              0       5200
                                                    810,175.38         23698       X                   0              0      23698
                                             ----------------- -------------               -------------     ---------- ----------
                                                    987,950.38         28898                           0              0      28898

BLACK BOX CORP DEL             091826107            331,037.50          7100  X                        0              0       7100
                                                    601,462.50         12900       X                   0              0      12900
                                             ----------------- -------------               -------------     ---------- ----------
                                                    932,500.00         20000                           0              0      20000

BLUE DIAMOND OIL CORP          095599908            134,400.00         22400       X                   0              0      22400

BOSTON PRIVATE FINANCIAL       101119105            610,500.00         37000       X                   0              0      37000
HOLDINGS INC

BOSTON PROPERTYS INC           101121101             12,881.25           300  X                        0              0        300
                                                    257,625.00          6000       X                   0              0       6000
                                             ----------------- -------------               -------------     ---------- ----------
                                                    270,506.25          6300                           0              0       6300

BRISTOL MYERS SQUIBB CO        110122108          5,072,985.63         88805  X                     1000              0      87805
                                                 27,032,692.50        473220       X                   0              0     473220
                                             ----------------- -------------               -------------     ---------- ----------
                                                 32,105,678.13        562025                        1000              0     561025

BURLINGTN NORTHN SANTA FE      12189T104            423,379.69         19635       X                   0              0      19635

BURLINGTON RESOURCES INC       122014103             44,175.00          1200  X                        0              0       1200
                                                    403,980.37         10974       X                   0              0      10974


                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 38,197,996.32        742198                        1000              0     741198
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                               EQUITIES DISCLOSURE (13-F)                                 PAGE  8
BUSINESS DATE: 10/02/2000                                                                                              R33.002.001

                                                                       As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>

         COMMON (cont.)
         --------------

                                             ----------------- -------------               -------------     ---------- ----------
                                                    448,155.37         12174                           0              0      12174

BURNHAM PACIFIC PROPERTIES INC 12232C108            194,000.00         32000       X                   0              0      32000
MD

CABOT CORP                     127055101          1,045,687.50         33000  X                        0              0      33000
                                                  1,409,079.76         44468       X                   0              0      44468
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,454,767.26         77468                           0              0      77468

CABOT INDUSTRIAL TRUST         127072106            413,463.88         20738  X                        0              0      20738
                                                  8,921,074.26        447452       X                   0              0     447452
                                             ----------------- -------------               -------------     ---------- ----------
                                                  9,334,538.14        468190                           0              0     468190

CAIRNSTONE INC                 1277669C9                  0.00        200000       X                   0              0     200000

CAMPBELL SOUP CO               134429109            124,200.00          4800  X                        0              0       4800
                                                  4,130,943.75        159650       X                   0              0     159650
                                             ----------------- -------------               -------------     ---------- ----------
                                                  4,255,143.75        164450                           0              0     164450

CAPITAL ONE FINL CORP          14040H105          1,401,250.00         20000       X                   0              0      20000

CARDINAL HEALTH INC            14149Y108            477,006.19          5409  X                        0              0       5409
                                                  2,084,840.69         23641       X                   0              0      23641
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,561,846.88         29050                           0              0      29050

CARDIOTECH INTL INC            14160C100             59,042.25         17494  X                        0              0      17494

CATERPILLAR INC                149123101             97,470.00          2888  X                        0              0       2888
                                                    205,200.00          6080       X                   0              0       6080
                                             ----------------- -------------               -------------     ---------- ----------
                                                    302,670.00          8968                           0              0       8968

CELL THERAPEUTICS INC          150934107            241,673.69          3624  X                        0              0       3624

CENTAUR INC                    151327996            111,639.00         74426       X                   0              0      74426

                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 20,916,570.97       1095670                           0              0    1095670
</TABLE>


<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                              EQUITIES DISCLOSURE (13-F)                                 PAGE   9
BUSINESS DATE: 10/02/2000                                                                                              R33.002.001

                                                                     As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

CENTAUR PHARMACEUTICALS INC    15134E106             70,000.00         40000  X                        0              0      40000

CHAMPION ENTERPRISES INC       158496109             63,750.00         15000  X                        0              0      15000
                                                     25,500.00          6000       X                   0              0       6000
                                             ----------------- -------------               -------------     ---------- ----------
                                                     89,250.00         21000                           0              0      21000

CHASE GEN CORP                 161555107                  0.00         19129       X                   0              0      19129

CHASE MANHATTAN CORP NEW       16161A108            229,736.65          4974  X                        0              0       4974
                                                    207,150.94          4485       X                   0              0       4485
                                             ----------------- -------------               -------------     ---------- ----------
                                                    436,887.59          9459                           0              0       9459
CHEVRON CORP                   166751107            699,391.00          8204  X                        0              0       8204
                                                  5,517,550.50         64722       X                   0              0      64722
                                             ----------------- -------------               -------------     ---------- ----------
                                                  6,216,941.50         72926                           0              0      72926

CHUBB CORP                     171232101            114,414.75          1446  X                        0              0       1446
                                                  2,273,973.38         28739       X                   0              0      28739
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,388,388.13         30185                           0              0      30185

CIENA CORP                     171779101          1,026,708.32          8360  X                        0              0       8360

CIGNA CORP                     125509109            613,245.60          5874  X                        0              0       5874
                                                  2,875,176.00         27540       X                   0              0      27540
                                             ----------------- -------------               -------------     ---------- ----------
                                                  3,488,421.60         33414                           0              0      33414

CINTAS CORP                    172908105         12,401,883.61        284695  X                     2400              0     282295
                                                 69,338,027.44       1591709       X                6000              0    1585709
                                             ----------------- -------------               -------------     ---------- ----------
                                                 81,739,911.05       1876404                        8400              0    1868004

CISCO SYSTEMS INC              17275R102         12,447,438.25        225293  X                        0              0     225293
                                                 35,205,963.00        637212       X                   0              0     637212
                                             ----------------- -------------               -------------     ---------- ----------
                                                 47,653,401.25        862505                           0              0     862505

                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                143,109,909.44       2973382                        8400              0    2964982
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     10
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C> <C>               <C>        <C>
         COMMON (cont.)
         --------------
CITIGROUP INC.                 172967101          4,959,153.24         91730  X                     3400              0      88330
                                                  6,256,508.98        115727       X                   0              0     115727
                                             ----------------- -------------               -------------     ---------- ----------
                                                 11,215,662.22        207457                        3400              0     204057

CLARITY IMAGING TECHNOLOGIES   170000954                  0.00        120000       X                   0              0     120000
INC

CLOSURE MED CORP               189093107             12,593.50           500  X                        0              0        500
                                                    705,236.00         28000       X                   0              0      28000
                                             ----------------- -------------               -------------     ---------- ----------
                                                    717,829.50         28500                           0              0      28500

CMGI INC                       125750109            704,291.77         25210  X                        0              0      25210
                                                  3,297,906.98        118048       X                   0              0     118048
                                             ----------------- -------------               -------------     ---------- ----------
                                                  4,002,198.75        143258                           0              0     143258

COASTAL CORP                   190441105            207,550.00          2800  X                        0              0       2800

COCA COLA CO                   191216100          6,119,426.25        111010  X                        0              0     111010
                                                 11,066,784.77        200758       X                   0              0     200758
                                             ----------------- -------------               -------------     ---------- ----------
                                                 17,186,211.02        311768                           0              0     311768

COGNEX CORP                    192422103          3,208,988.72         81370  X                        0              0      81370
                                                 24,336,178.33        617090       X                   0              0     617090
                                             ----------------- -------------               -------------     ---------- ----------
                                                 27,545,167.05        698460                           0              0     698460

COLGATE PALMOLIVE CO           194162103          4,159,924.80         88134  X                        0              0      88134
                                                  7,264,363.20        153906       X                   0              0     153906
                                             ----------------- -------------               -------------     ---------- ----------
                                                 11,424,288.00        242040                           0              0     242040

COMCAST CORP SPL A             200300200            811,371.34         19820  X                        0              0      19820

COMPAQ COMPUTER CORP           204493100            196,479.92          7124  X                        0              0       7124
                                                    377,846.00         13700       X                   0              0      13700


                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 73,684,603.80       1794927                        3400              0    1791527
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     11
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>              <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- -------------                ------------     ---------- ----------
                                                    574,325.92         20824                           0              0      20824

COMPUTER SCIENCES CORP         205363104          1,685,475.00         22700  X                        0              0      22700
                                                  1,010,542.50         13610       X                   0              0      13610
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,696,017.50         36310                           0              0      36310

COMVERSE TECHNOLOGY INC        205862402            313,200.00          2900       X                   0              0       2900

CONCORD EFS INC                206197105            607,323.60         17100  X                        0              0      17100
                                                  2,297,707.62         64695       X                   0              0      64695
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,905,031.22         81795                           0              0      81795

CONOCO INC B                   208251405            215,526.94          8001  X                        0              0       8001
                                                  2,502,924.84         92916       X                   0              0      92916
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,718,451.78        100917                           0              0     100917

CONSOLIDATED STORES CORP       210149100            167,238.00         12388       X                   0              0      12388

CONSTELLATION ENERGY GROUP INC 210371100            293,027.50          5890       X                   0              0       5890

CORNING INC                    219350105          1,256,013.00          4229  X                        0              0       4229
                                                 18,067,104.00         60832       X                   0              0      60832
                                             ----------------- -------------               -------------     ---------- ----------
                                                 19,323,117.00         65061                           0              0      65061

CORP FOR LASER OPTICS RES      2200359A9             12,501.00          6945  X                        0              0       6945
                                                    137,500.20         76389       X                   0              0      76389
                                             ----------------- -------------               -------------     ---------- ----------
                                                    150,001.20         83334                           0              0      83334

COX COMMUNICATIONS INC A       224044107            674,041.50         17622  X                        0              0      17622
                                                  1,011,674.25         26449       X                   0              0      26449
                                             ----------------- -------------               -------------     ---------- ----------
                                                  1,685,715.75         44071                           0              0      44071

CP&L HOLDINGS INC              12614C106            100,050.00          2400  X                        0              0       2400
                                                  2,263,631.26         54300       X                   0              0      54300
                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 32,615,481.21        489366                           0              0     489366
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     12
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C> <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- -------------               -------------     ---------- ----------
                                                  2,363,681.26         56700                           0              0      56700

CRITICAL PATH                  22674V100            257,200.92          4234  X                        0              0       4234
                                                  9,394,683.75        154645       X                4505              0     150140
                                             ----------------- -------------               -------------     ---------- ----------
                                                  9,651,884.67        158879                        4505              0     154374

CVS CORP                       126650100            361,237.50          7800  X                        0              0       7800
                                                    650,690.63         14050       X                   0              0      14050
                                             ----------------- -------------               -------------     ---------- ----------
                                                  1,011,928.13         21850                           0              0      21850

DELHAIZE AMERICA INC A         246688105            204,071.06         11703       X                   0              0      11703

DELPHI.COM INC                 247153984            169,495.20        605340       X               32000              0     573340

DIAMOND TECHNOLOGY PARTNERS    252762109            266,557.50          3590  X                        0              0       3590
                                                  5,160,226.50         69498       X                   0              0      69498
                                             ----------------- -------------               -------------     ---------- ----------
                                                  5,426,784.00         73088                           0              0      73088

DIGITRACE CARE SYS             2538979A2             60,000.00         20000       X                   0              0      20000

DISNEY WALT CO                 254687106          3,517,584.75         91963  X                        0              0      91963
                                                  3,300,630.75         86291       X                   0              0      86291
                                             ----------------- -------------               -------------     ---------- ----------
                                                  6,818,215.50        178254                           0              0     178254

DOMINION RESOURCES INC VA NEW  25746U109            171,458.56          2953  X                        0              0       2953
                                                    264,706.94          4559       X                   0              0       4559
                                             ----------------- -------------               -------------     ---------- ----------
                                                    436,165.50          7512                           0              0       7512

DORCHESTER HUGOTON LP          258205202            732,000.00         48000  X                        0              0      48000

DOVER CORP                     260003108          1,156,070.63         24630  X                        0              0      24630
                                                 35,161,069.04        749104       X                   0              0     749104
                                             ----------------- -------------               -------------     ---------- ----------
                                                 36,317,139.67        773734                           0              0     773734

                                             ----------------- -------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 60,827,683.73       1898360                       36505              0    1861855
</TABLE>

<PAGE>

<TABLE>
<CAPTION>

REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     13
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C> <C>               <C>        <C>
         COMMON (cont.)
         --------------
DOW CHEM CO                    260543103            629,148.19         25229  X                        0              0      25229
                                                  2,600,906.45        104297       X                   0              0     104297
                                             ----------------- -------------               -------------     ---------- ----------
                                                  3,230,054.64        129526                           0              0     129526

DOW JONES & CO INC             260561105            677,600.00         11200       X                   0              0      11200

DPL INC                        233293109             45,725.75          1537  X                        0              0       1537
                                                    790,606.25         26575       X                   0              0      26575
                                             ----------------- -------------               -------------     ---------- ----------
                                                    836,332.00         28112                           0              0      28112

DU PONT E I DE NEMOURS         263534109            759,176.47         18321  X                        0              0      18321
                                                  8,428,503.08        203403       X                   0              0     203403
                                             ----------------- -------------               -------------     ---------- ----------
                                                  9,187,679.55        221724                           0              0     221724

DUKE ENERGY CORP               264399106            217,204.75          2533  X                        0              0       2533
                                                    338,969.75          3953       X                   0              0       3953
                                             ----------------- -------------               -------------     ---------- ----------
                                                    556,174.50          6486                           0              0       6486

DUN & BRADSTREET CORP          26483B106            477,889.19         13877       X                   0              0      13877

E M C CORP MASS                268648102         28,768,354.88        290223  X                     3200              0     287023
                                                 74,308,659.75        749646       X                   0              0     749646
                                             ----------------- -------------               -------------     ---------- ----------
                                                103,077,014.63       1039869                        3200              0    1036669

E TOWN                         269242103            494,875.00          7400       X                   0              0       7400

EASTMAN KODAK CO               277461109             12,344.25           302  X                        0              0        302
                                                    244,555.13          5983       X                   0              0       5983
                                             ----------------- --------------               -------------     ---------- ----------
                                                    256,899.38          6285                           0              0       6285

EATON VANCE CORP NON VTG       278265103            142,800.00          2800  X                        0              0       2800
                                                    489,600.00          9600       X                   0              0       9600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    632,400.00         12400                           0              0      12400

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                119,426,918.89       1476879                        3200              0    1473679
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     14
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                        As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---  -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C>      <C>               <C>        <C>
         COMMON (cont.)
         --------------
EL PASO ENERGY CORP            283905107            170,947.75          2774  X                        0              0       2774
                                                  3,121,306.25         50650       X                   0              0      50650
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,292,254.00         53424                           0              0      53424

ELAN PLC ADR                   284131208          2,400,404.25         43843  X                     1000              0      42843
                                                 10,688,897.25        195231       X                   0              0     195231
                                             ----------------- --------------               -------------     ---------- ----------
                                                 13,089,301.50        239074                        1000              0     238074

EMERSON ELEC CO                291011104          7,772,000.00        116000  X                        0              0     116000
                                                  8,457,544.00        126232       X                   0              0     126232
                                             ----------------- --------------               -------------     ---------- ----------
                                                 16,229,544.00        242232                           0              0     242232

ENERGYNORTH INC                292925104            781,594.31         12879  X                        0              0      12879
                                                  1,089,765.44         17957       X                   0              0      17957
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,871,359.75         30836                           0              0      30836

ENRON CORP                     293561106          8,068,071.88         92075  X                     2000              0      90075
                                                  9,840,199.88        112299       X                   0              0     112299
                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,908,271.76        204374                        2000              0     202374

ENSCO INTERNATIONAL INC        26874Q100            344,250.00          9000  X                        0              0       9000

EPICON INC                     2942559C0                  0.00        108350       X                   0              0     108350

EPRESENCE INC                  294348107            103,545.00         15340  X                        0              0      15340
                                                  2,493,180.00        369360       X                   0              0     369360
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,596,725.00        384700                           0              0     384700

EQUIFAX INC                    294429105            328,637.50         12200       X                   0              0      12200

EQUITY OFFICE PPTYS TR         294741103            582,452.95         18751  X                        0              0      18751
                                                  5,681,828.43        182916       X                   0              0     182916
                                             ----------------- --------------               -------------     ---------- ----------
                                                  6,264,281.38        201667                           0              0     201667

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 61,924,624.89       1485857                        3000              0    1482857
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     15
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---  -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C>      <C>               <C>        <C>
         COMMON (cont.)
         --------------
EXCELON CORP                   300691102             68,062.50          5500  X                        0              0       5500
                                                    400,331.25         32350       X                   0              0      32350
                                             ----------------- --------------               -------------     ---------- ----------
                                                    468,393.75         37850                           0              0      37850

EXEL ENERGY INC                98389B100            259,600.00          9440       X                   0              0       9440

EXPEDITORS INTL WASH INC       302130109             54,074.40          1200  X                        0              0       1200
                                                    229,816.20          5100       X                   0              0       5100
                                             ----------------- --------------               -------------     ---------- ----------
                                                    283,890.60          6300                           0              0       6300

EXXON MOBIL CORP               30231G102         28,321,607.81        317774  X                     1000              0     316774
                                                172,663,021.28       1937313       X                1550              0    1935763
                                             ----------------- --------------               -------------     ---------- ----------
                                                200,984,629.09       2255087                        2550              0    2252537

FEDERAL NATL MTG ASSN          313586109            953,738.50         13339  X                        0              0      13339
                                                  1,643,856.50         22991       X                   0              0      22991
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,597,595.00         36330                           0              0      36330

FEDERAL RLTY INVT TR           313747206            191,250.00         10000       X                   0              0      10000

FIDUCIARY CO INC               316476902            485,280.00          8425  X                        0              0       8425
                                                    360,000.00          6250       X                   0              0       6250
                                             ----------------- --------------               -------------     ---------- ----------
                                                    845,280.00         14675                           0              0      14675

FIRST UNION CORP               337358105             73,258.76          2276  X                        0              0       2276
                                                    720,163.14         22374       X                   0              0      22374
                                             ----------------- --------------               -------------     ---------- ----------
                                                    793,421.90         24650                           0              0      24650

FIRST WASHINGTON REALTY TRUST  337489504            312,112.50         12300       X                   0              0      12300

FIRSTAR CORP NEW WIS           33763V109          3,323,246.88        148525       X                   0              0     148525

FLEETBOSTON FINANCIAL CORP     339030108          2,284,854.00         58586  X                        0              0      58586
                                                 11,756,472.00        301448       X                   0              0     301448

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                224,100,745.72       2915191                        2550              0    2912641
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     16
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                        As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---  -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C>      <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- --------------               -------------     ---------- ----------
                                                 14,041,326.00        360034                           0              0     360034

FLEXTRONICS INTL LTD           Y2573F102          9,118,256.64        111029       X                   0              0     111029

FOCUS ENHANCEMENT              344159108             55,331.18         32188       X                   0              0      32188

FPL GROUP INC                  302571104             92,050.00          1400  X                        0              0       1400
                                                    589,448.75          8965       X                   0              0       8965
                                             ----------------- --------------               -------------     ---------- ----------
                                                    681,498.75         10365                           0              0      10365

GAMEWRIGHT INC                 364625996              2,937.50          6250  X                        0              0       6250
                                                     73,390.50        156150       X                   0              0     156150
                                             ----------------- --------------               -------------     ---------- ----------
                                                     76,328.00        162400                           0              0     162400

GANNETT INC                    364730101            337,398.00          6366  X                        0              0       6366
                                                    443,504.00          8368       X                   0              0       8368
                                             ----------------- --------------               -------------     ---------- ----------
                                                    780,902.00         14734                           0              0      14734

GELTEX PHARMACEUTICALS         368538104            150,921.90          3224  X                        0              0       3224
                                                  1,703,956.80         36400       X                   0              0      36400
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,854,878.70         39624                           0              0      39624

GENERAL ELEC CO                369604103         41,079,672.65        712107  X                     5400              0     706707
                                                268,550,369.24       4655261       X                   0              0    4655261
                                             ----------------- --------------               -------------     ---------- ----------
                                                309,630,041.89       5367368                        5400              0    5361968

GENERAL MLS INC                370334104            498,704.00         14048  X                        0              0      14048
                                                  4,779,152.00        134624       X                   0              0     134624
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,277,856.00        148672                           0              0     148672

GENERAL MTRS CORP NEW H        370442832            940,579.64         25298  X                        0              0      25298

GENRAD INC                     372447102             38,093.00          3463  X                        0              0       3463
                                                    752,807.00         68437       X                   0              0      68437
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                329,206,572.80       5983578                        5400              0    5978178
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     17
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                        As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---  -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C>      <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- --------------               -------------     ---------- ----------
                                                    790,900.00         71900                           0              0      71900

GENUITY                        37248E103            215,523.00         33000       X                   0              0      33000

GENZYME CORP                   372917104          2,702,114.43         39628  X                     1000              0      38628
                                                 19,573,760.23        287060       X                   0              0     287060
                                             ----------------- --------------               -------------     ---------- ----------
                                                 22,275,874.66        326688                        1000              0     325688

GENZYME CORP TISSUE REPAIR     372917401              8,188.00          2000  X                        0              0       2000
                                                    270,621.59         66102       X                   0              0      66102
                                             ----------------- --------------               -------------     ---------- ----------
                                                    278,809.59         68102                           0              0      68102

GENZYME SURGICAL PRODUCTS      372917609                262.50            35  X                        0              0         35
                                                    133,537.50         17805       X                   0              0      17805
                                             ----------------- --------------               -------------     ---------- ----------
                                                    133,800.00         17840                           0              0      17840

GENZYME TRANSGENICS CORP       37246E105            176,250.00          5000  X                        0              0       5000
                                                     51,112.50          1450       X                   0              0       1450
                                             ----------------- --------------               -------------     ---------- ----------
                                                    227,362.50          6450                           0              0       6450

GEOPETRO COMPANY               373160993            178,500.00        357000       X                   0              0     357000

GEORGIA PAC CORP               373298108             37,271.00          1586  X                        0              0       1586
                                                    294,643.00         12538       X                   0              0      12538
                                             ----------------- --------------               -------------     ---------- ----------
                                                    331,914.00         14124                           0              0      14124

GEORGIA PAC CORP-TIMBER GRP    373298702             51,277.50          1908  X                        0              0       1908
                                                    181,916.88          6769       X                   0              0       6769
                                             ----------------- --------------               -------------     ---------- ----------
                                                    233,194.38          8677                           0              0       8677

GILLETTE CO                    375766102          2,600,169.00         84216  X                        0              0      84216
                                                 14,437,335.25        467606       X                   0              0     467606


                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 40,912,482.38       1383703                        1000              0    1382703
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                        PAGE    18
BUSINESS DATE: 10/02/2000                                                                                          R33.002.001

                                                          As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,037,504.25        551822                           0              0     551822

GOLDMAN SACHS GROUP            38141G104          1,677,729.70         14725  X                        0              0      14725
                                                    763,381.25          6700       X                   0              0       6700
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,441,110.95         21425                           0              0      21425

GREAT LAKES CHEM CORP          390568103            116,077.50          3960  X                        0              0       3960
                                                    524,312.69         17887       X                   0              0      17887
                                             ----------------- --------------               -------------     ---------- ----------
                                                    640,390.19         21847                           0              0      21847

GREEN POWER ASIA LTD           393400999                  0.00        620375       X                   0              0     620375

GSI LUMONICS                   36229U102            698,775.00         42350       X                   0              0      42350

HALLIBURTON CO                 406216101            318,485.25          6508  X                        0              0       6508
                                                    725,253.75         14820       X                   0              0      14820
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,043,739.00         21328                           0              0      21328

HARCOURT GEN INC               41163G101            749,300.00         12700  X                        0              0      12700

HARDING ENERGY INC             411699911            416,000.00          1664       X                   0              0       1664

HARTFORD FINL SVCS GROUP       416515104            357,393.75          4900  X                        0              0       4900
                                                    710,848.88          9746       X                   0              0       9746
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,068,242.63         14646                           0              0      14646

HEINZ H J CO                   423074103             75,014.51          2024  X                        0              0       2024
                                                    160,628.88          4334       X                   0              0       4334
                                             ----------------- --------------               -------------     ---------- ----------
                                                    235,643.39          6358                           0              0       6358

HELIX TECHNOLOGY CORP          423319102             29,875.00          1000  X                        0              0       1000
                                                    364,475.00         12200       X                   0              0      12200
                                             ----------------- --------------               -------------     ---------- ----------
                                                    394,350.00         13200                           0              0      13200

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                  7,687,551.16        775893                           0              0     775893
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                       PAGE    19
BUSINESS DATE: 10/02/2000                                                                                         R33.002.001

                                                          As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

HEWLETT PACKARD CO             428236103          4,889,382.00         50406  X                        0              0      50406
                                                 47,616,524.00        490892       X                   0              0     490892
                                             ----------------- --------------               -------------     ---------- ----------
                                                 52,505,906.00        541298                           0              0     541298

HITCHINER MFG CO INC           43363*101            214,929.00          3900       X                   0              0       3900

HOME DEPOT INC                 437076102         15,009,232.47        282860  X                     3600              0     279260
                                                 63,359,199.02       1194049       X                   0              0    1194049
                                             ----------------- --------------               -------------     ---------- ----------
                                                 78,368,431.49       1476908                        3600              0    1473308

HONEYWELL INTL INC             438516106             80,298.75          2254  X                        0              0       2254
                                                    213,607.50          5996       X                   0              0       5996
                                             ----------------- --------------               -------------     ---------- ----------
                                                    293,906.25          8250                           0              0       8250

HOUGHTON MIFFLIN CO            441560109          1,962,500.00         50000       X                   0              0      50000

HSB GROUP INC                  40428N109            249,417.00          6216  X                        0              0       6216
                                                    304,468.50          7588       X                   0              0       7588
                                             ----------------- --------------               -------------     ---------- ----------
                                                    553,885.50         13804                           0              0      13804

HUBBELL INC B                  443510201             37,593.75          1500  X                        0              0       1500
                                                  1,088,689.95         43439       X                   0              0      43439
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,126,283.70         44939                           0              0      44939

I2 TECHNOLOGIES INC            465754109         11,223,720.00         60000       X                   0              0      60000

IBM CORP                       459200101          9,244,012.50         82169  X                        0              0      82169
                                                 58,717,125.00        521930       X                   0              0     521930
                                             ----------------- --------------               -------------     ---------- ----------
                                                 67,961,137.50        604099                           0              0     604099

IDEXX LABORATORIES INC         45168D104            214,000.00          8000       X                   0              0       8000

ILLINOIS GAS CO                4520459A7            800,000.00           400  X                        0              0        400
                                                  1,200,000.00           600       X                   0              0        600

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                216,424,699.44       2812198                        3600              0    2808598
</TABLE>
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE    20
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,000,000.00          1000                           0              0       1000

ILLINOIS TOOL WKS INC          452308109            273,787.50          4900  X                        0              0       4900
                                                    146,224.88          2617       X                   0              0       2617
                                             ----------------- --------------               -------------     ---------- ----------
                                                    420,012.38          7517                           0              0       7517

IMS HEALTH INCORPORATED        449934108            412,925.00         19900  X                        0              0      19900
                                                  3,304,064.00        159232       X                   0              0     159232
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,716,989.00        179132                           0              0     179132

INFORMATION MAPPING INC        4567099A4                  0.00         28667       X                   0              0      28667

INTEL CORP                     458140100         22,339,574.99        537500  X                     3300              0     534200
                                                 91,509,050.38       2201748       X                   0              0    2201748
                                             ----------------- --------------               -------------     ---------- ----------
                                                113,848,625.37       2739248                        3300              0    2735948

INTERNATIONAL PAPER C0         460146103             33,248.82          1159  X                        0              0       1159
                                                    697,593.96         24317       X                   0              0      24317
                                             ----------------- --------------               -------------     ---------- ----------
                                                    730,842.78         25476                           0              0      25476

INTERPUBLIC GROUP COS          460690100          3,328,281.03         97711  X                        0              0      97711
                                                 31,445,103.54        923159       X                   0              0     923159
                                             ----------------- --------------               -------------     ---------- ----------
                                                 34,773,384.57       1020870                           0              0    1020870

INVESTORS FINL SVCS            461915100             24,997.50           396  X                        0              0        396
                                                  4,103,125.00         65000       X                   0              0      65000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,128,122.50         65396                           0              0      65396

IPALCO ENTERPRISES INC         462613100            234,148.50         10236       X                   0              0      10236

JDS UNIPHASE CORP              46612J101             42,609.15           450  X                        0              0        450
                                                  1,713,834.70         18100       X                   0              0      18100

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                159,608,568.95       4095092                        3300              0    4091792
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                       PAGE    21
BUSINESS DATE: 10/02/2000                                                                                          R33.002.001

                                                          As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,756,443.85         18550                           0              0      18550

JEFFERSON PILOT CORP           475070108            600,693.75          8850       X                   0              0       8850

JOHN HANCOCK FINANCIAL         41014S106              9,728.75           362  X                        0              0        362
SERVICES INC
                                                    688,940.67         25635       X                   0              0      25635
                                             ----------------- --------------               -------------     ---------- ----------
                                                    698,669.42         25997                           0              0      25997

JOHNSON & JOHNSON              478160104          5,628,077.49         59913  X                        0              0      59913
                                                 25,592,332.60        272440       X                   0              0     272440
                                             ----------------- --------------               -------------     ---------- ----------
                                                 31,220,410.09        332353                           0              0     332353

JOHNSON CTLS INC               478366107            249,555.75          4692       X                   0              0       4692

KIMBERLY CLARK CORP            494368103          3,065,222.52         54920  X                        0              0      54920
                                                  4,432,796.19         79423       X                   0              0      79423
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,498,018.71        134343                           0              0     134343

KINNEY OIL CO                  496625997                  0.00         29904       X                   0              0      29904

KLA-TENCOR CORP                482480100          5,520,375.98        134032  X                        0              0     134032

LEADVILLE CORP                 5217119A1            136,308.75        181745       X                   0              0     181745

LILLY ELI & CO                 532457108          2,489,726.25         30690  X                        0              0      30690
                                                  8,310,931.75        102446       X                   0              0     102446
                                             ----------------- --------------               -------------     ---------- ----------
                                                 10,800,658.00        133136                           0              0     133136

LINCOLN NATL CORP IND          534187109            288,750.00          6000       X                   0              0       6000

LINEAR TECHNOLOGY CORP         535678106          9,543,373.00        147388  X                     1000              0     146388
                                                 67,314,294.25       1039603       X                   0              0    1039603
                                             ----------------- --------------               -------------     ---------- ----------
                                                 76,857,667.25       1186991                        1000              0    1185991

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                133,871,107.70       2178043                        1000              0    2177043
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                     EQUITIES DISCLOSURE (13-F)                                     PAGE   22
BUSINESS DATE: 10/02/2000                                                                                        R33.002.001

                                                            As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

LUCENT TECHNOLOGIES INC        549463107          5,062,708.74        165651  X                        0              0     165651
                                                 20,626,020.11        674880       X                   0              0     674880
                                             ----------------- --------------               -------------     ---------- ----------
                                                 25,688,728.85        840531                           0              0     840531

LYCOS INC                      550818108            220,051.20          3200  X                        0              0       3200
                                                  1,181,468.63         17181       X                   0              0      17181
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,401,519.83         20381                           0              0      20381

M & T BANK CORP                55261F104            695,130.00          1363  X                        0              0       1363

MANPOWER INC                   56418H100            383,250.00         12000  X                        0              0      12000

MARSH & MCLENNAN COS           571748102          1,360,820.25         10251  X                        0              0      10251
                                                  1,242,805.50          9362       X                   0              0       9362
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,603,625.75         19613                           0              0      19613

MASCO CORP                     574599106            146,616.00          7872  X                        0              0       7872
                                                  9,523,446.75        511326       X                   0              0     511326
                                             ----------------- --------------               -------------     ---------- ----------
                                                  9,670,062.75        519198                           0              0     519198

MATRITECH INC                  576818108            525,000.00         75000       X                   0              0      75000

MAXIM INTERGRATED PRODUCTS INC 57772K101          1,350,376.36         16788  X                        0              0      16788

MBIA INC                       55262C100            172,833.75          2430  X                        0              0       2430
                                                 10,239,581.76        143966       X                   0              0     143966
                                             ----------------- --------------               -------------     ---------- ----------
                                                 10,412,415.51        146396                           0              0     146396

MBNA CORP                      55262L100            426,580.00         11080  X                        0              0      11080
                                                    129,167.50          3355       X                   0              0       3355
                                             ----------------- --------------               -------------     ---------- ----------
                                                    555,747.50         14435                           0              0      14435

MCDONALDS CORP                 580135101          3,057,993.75        101300  X                        0              0     101300
                                                  2,249,210.25         74508       X                   0              0      74508

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 58,593,060.55       1841513                           0              0    1841513
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     23
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,307,204.00        175808                           0              0     175808

MCGRAW HILL COS INC            580645109            120,768.75          1900  X                        0              0       1900
                                                    447,480.00          7040       X                   0              0       7040
                                             ----------------- --------------               -------------     ---------- ----------
                                                    568,248.75          8940                           0              0       8940

MEDTRONIC INC                  585055106          6,319,104.36        121961  X                     3000              0     118961
                                                 10,375,971.27        200260       X                   0              0     200260
                                             ----------------- --------------               -------------     ---------- ----------
                                                 16,695,075.63        322221                        3000              0     319221

MELLON FINANCIAL CORP          58551A108            575,050.00         12400       X                   0              0      12400

MERCK & CO INC                 589331107         68,267,040.83        917106  X                        0              0     917106
                                                193,750,242.64       2602858       X                   0              0    2602858
                                             ----------------- --------------               -------------     ---------- ----------
                                                262,017,283.47       3519964                           0              0    3519964

MERIDIAN MEDICAL TECHNOLOGIES  589658103            334,943.25         19417  X                        0              0      19417

MERRILL LYNCH & CO             590188108            211,200.00          3200  X                        0              0       3200
                                                     39,600.00           600       X                   0              0        600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    250,800.00          3800                           0              0       3800

MESSAGEBLASTER.COM             590743894              6,361.80         63618       X                   0              0      63618

META GROUP INC                 591002100             26,123.63          2111  X                        0              0       2111
                                                    255,407.63         20639       X                   0              0      20639
                                             ----------------- --------------               -------------     ---------- ----------
                                                    281,531.26         22750                           0              0      22750

MGI PPTYS                      552885105            314,832.38        132561       X                   0              0     132561

MICROMUSE INC                  595094103          1,607,496.00          8000       X                   0              0       8000

MICROSOFT CORP                 594918104          5,629,703.00         93343  X                        0              0      93343
                                                 37,227,280.42        617245       X                   0              0     617245

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                325,508,605.96       4824259                        3000              0    4821259
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     24
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C>      <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 42,856,983.42        710588                           0              0     710588

MILLIPORE CORP                 601073109              7,265.63           150  X                        0              0        150
                                                  8,519,284.40        175882       X                   0              0     175882
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,526,550.03        176032                           0              0     176032

MINNESOTA MNG & MFG CO         604059105          2,129,226.77         23366  X                        0              0      23366
                                                 20,906,262.03        229424       X                   0              0     229424
                                             ----------------- --------------               -------------     ---------- ----------
                                                 23,035,488.80        252790                           0              0     252790

MOLDFLOW CORPORATION           608507109            164,500.00          7000  X                        0              0       7000
                                                    458,250.00         19500       X                   0              0      19500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    622,750.00         26500                           0              0      26500

MORGAN J P & CO INC            616880100          2,625,436.25         16070  X                        0              0      16070
                                                  5,256,100.51         32172       X                   0              0      32172
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,881,536.76         48242                           0              0      48242

MORGAN STANLEY DEAN WITTER     617446448            313,447.75          3428  X                        0              0       3428
                                                    260,048.25          2844       X                   0              0       2844
                                             ----------------- --------------               -------------     ---------- ----------
                                                    573,496.00          6272                           0              0       6272

MOTOROLA INC                   620076109          1,221,869.00         43252  X                        0              0      43252
                                                 10,655,758.75        377195       X                   0              0     377195
                                             ----------------- --------------               -------------     ---------- ----------
                                                 11,877,627.75        420447                           0              0     420447

MYLAN LABS INC                 628530107              5,387.50           200  X                        0              0        200
                                                    402,688.69         14949       X                   0              0      14949
                                             ----------------- --------------               -------------     ---------- ----------
                                                    408,076.19         15149                           0              0      15149

MYPOINTS.COM INC               62855T102             80,454.00         14628       X                   0              0      14628

NABI INC                       628716102             28,000.00          4000  X                        0              0       4000
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 53,033,979.53        964060                           0              0     964060
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     25
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                       As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                                     42,000.00          6000       X                   0              0       6000
                                             ----------------- --------------               -------------     ---------- ----------
                                                     70,000.00         10000                           0              0      10000

NATIONAL SEMICONDUCTOR         637640103            241,500.00          6000       X                   0              0       6000

NETWORK APPLIANCE INC          64120L104          3,821,250.00         30000       X                   0              0      30000

NEW ENGLAND BUSINESS SVC       643872104            326,250.00         18000       X                   0              0      18000

NEW YORK TIMES CO CL A         650111107          2,302,769.00         58576  X                        0              0      58576
                                                     94,350.00          2400       X                   0              0       2400
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,397,119.00         60976                           0              0      60976

NEWPORT CORP                   651824104            509,651.20          3200       X                   0              0       3200

NORDSTROM INC                  655664100              6,225.00           400  X                        0              0        400
                                                    458,222.25         29444       X                   0              0      29444
                                             ----------------- --------------               -------------     ---------- ----------
                                                    464,447.25         29844                           0              0      29844

NORTHERN TR CORP               665859104            737,662.50          8300  X                        0              0       8300
                                                  3,714,975.00         41800       X                   0              0      41800
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,452,637.50         50100                           0              0      50100

NOVEN PHARMACEUTICALS          670009109          3,010,668.75         70425       X                   0              0      70425

O REILLY AUTOMOTIVE INC        686091109            175,500.00         12000  X                        0              0      12000
                                                    146,250.00         10000       X                   0              0      10000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    321,750.00         22000                           0              0      22000

OCEAN NATL CORP                674856109            749,070.00          3567       X                   0              0       3567

OMNICOM GROUP INC              681919106            131,287.50          1800  X                        0              0       1800
                                                    119,179.88          1634       X                   0              0       1634
                                             ----------------- --------------               -------------     ---------- ----------
                                                    250,467.38          3434                           0              0       3434

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 16,586,811.08        303546                           0              0     303546
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     26
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                       As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

ORACLE CORP                    68389X105          3,242,688.75         41177  X                     1000              0      40177
                                                  4,791,465.00         60844       X                   0              0      60844
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,034,153.75        102021                        1000              0     101021

OVERSEAS PARTNERS LTD          690350921          5,587,076.00        259864       X                   0              0     259864

PANERA BREAD CO                69840W108             31,312.50          1500  X                        0              0       1500
                                                    405,601.25         19430       X                   0              0      19430
                                             ----------------- --------------               -------------     ---------- ----------
                                                    436,913.75         20930                           0              0      20930

PARAMETRIC TECHNOLOGY CRP      699173100            154,736.68         14148  X                        0              0      14148
                                                  1,509,874.72        138052       X                   0              0     138052
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,664,611.40        152200                           0              0     152200

PAYCHEX INC                    704326107         18,245,062.50        347525  X                     5000              0     342525
                                                121,527,997.50       2314819       X                   0              0    2314819
                                             ----------------- --------------               -------------     ---------- ----------
                                                139,773,060.00       2662344                        5000              0    2657344

PE CORP - PE BIOSYSTEMS GROUP  69332S102            272,610.00          2340  X                        0              0       2340

PEPSICO INC                    713448108          2,440,300.00         53050  X                        0              0      53050
                                                  3,101,642.00         67427       X                   0              0      67427
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,541,942.00        120477                           0              0     120477

PFIZER INC                     717081103         20,520,080.32        456636  X                     1000              0     455636
                                                 66,041,812.81       1469637       X                   0              0    1469637
                                             ----------------- --------------               -------------     ---------- ----------
                                                 86,561,893.13       1926273                        1000              0    1925273

PHARMACIA CORP                 71713U102          2,749,906.70         45689  X                        0              0      45689
                                                  7,869,515.66        130750       X                   0              0     130750
                                             ----------------- --------------               -------------     ---------- ----------
                                                 10,619,422.36        176439                           0              0     176439

PHILIP MORRIS COS INC          718154107            897,843.75         30500       X                   0              0      30500

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                259,389,526.14       5453388                        7000              0    5446388
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     27
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                           As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                    CUSIP           VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

PHILLIPS PETE CO               718507106             69,025.00          1100  X                        0              0       1100
                                                    477,025.50          7602       X                   0              0       7602
                                             ----------------- --------------               -------------     ---------- ----------
                                                    546,050.50          8702                           0              0       8702

PHOTOSCAPE ASSOCIATES          7193469A8                  0.00         10000       X                   0              0      10000

PITNEY BOWES INC               724479100            106,481.25          2700  X                        0              0       2700
                                                  3,491,599.06         88535       X                   0              0      88535
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,598,080.31         91235                           0              0      91235

PMC COML TR                    693434102             20,750.00          2000  X                        0              0       2000
                                                     88,187.50          8500       X                   0              0       8500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    108,937.50         10500                           0              0      10500

PNC FINANCIAL SERVICES GROUP   693475105            158,600.00          2440  X                        0              0       2440
                                                  1,309,750.00         20150       X                   0              0      20150
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,468,350.00         22590                           0              0      22590

POINT THERAPEUTICS             9899469P5            125,000.00         12500       X                   0              0      12500

POLARIS VENTURE PARTNERS       731111910            186,641.00        186641       X                   0              0     186641

POLYMEDICA CORPORATION         731738100            900,375.00         21000  X                        0              0      21000
                                                  1,187,637.50         27700       X                   0              0      27700
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,088,012.50         48700                           0              0      48700

POTOMAC ELEC PWR CO            737679100            513,825.00         20400       X                   0              0      20400

PRIAM CORP                     741400105                  0.00         26550  X                        0              0      26550

PROCTER & GAMBLE CO            742718109         13,930,841.00        207923  X                        0              0     207923
                                                 50,222,597.00        749591       X                   0              0     749591
                                             ----------------- --------------               -------------     ---------- ----------
                                                 64,153,438.00        957514                           0              0     957514

PROGRESSIVE CORP OHIO          743315103          2,218,894.38         27101       X                   0              0      27101
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 75,007,229.19       1422433                           0              0    1422433
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     28
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                       As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

PROVIDIAN FINL CORP            74406A102            512,699.00          4037  X                        0              0       4037
                                                  3,433,572.00         27036       X                   0              0      27036
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,946,271.00         31073                           0              0      31073

PULITZER INC                   745769109            214,750.00          5000       X                   0              0       5000

PUMA TECHNOLOGY INC            745887109          1,838,764.11         90526  X                        0              0      90526
                                                 26,711,295.60       1315050       X                   0              0    1315050
                                             ----------------- --------------               -------------     ---------- ----------
                                                 28,550,059.71       1405576                           0              0    1405576

QUAKER OATS CO                 747402105            126,600.00          1600  X                        0              0       1600
                                                    126,600.00          1600       X                   0              0       1600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    253,200.00          3200                           0              0       3200

QUALCOMM INC                   747525103            436,762.50          6130  X                        0              0       6130
                                                    149,625.00          2100       X                   0              0       2100
                                             ----------------- --------------               -------------     ---------- ----------
                                                    586,387.50          8230                           0              0       8230

QUESTECH CORPORATION           4580999F7            164,250.00         36500       X                   0              0      36500

QUICKBUY INC                   748449980            234,274.95         40047       X                   0              0      40047

QUINTILES TRANSNATIONAL        748767100            382,488.00         24000       X                   0              0      24000

QWEST COMMUNICATIONS INTL INC  749121109          4,965,481.23        103313  X                     2000              0     101313
                                                 22,033,772.96        458440       X                   0              0     458440
                                             ----------------- --------------               -------------     ---------- ----------
                                                 26,999,254.19        561753                        2000              0     559753

R & B FALCON CORP              74912E101            409,762.50         14700  X                        0              0      14700
                                                  1,333,205.50         47828       X                   0              0      47828
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,742,968.00         62528                           0              0      62528

RAPID COMMUNICATION L P        753388990             50,000.00         50000       X                   0              0      50000

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 63,123,903.35       2227907                        2000              0    2225907
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     29
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

RAVINE BEECH CO INC            753865997          4,255,802.88         12887       X                   0              0      12887

RAYTHEON CO B                  755111408          6,555,696.88        230530  X                        0              0     230530
                                                  2,246,562.51         79000       X                   0              0      79000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,802,259.39        309530                           0              0     309530

REED & BARTON CORP             758140909         17,016,679.80          9402  X                        0              0       9402
                                                  1,044,312.30           577       X                   0              0        577
                                             ----------------- --------------               -------------     ---------- ----------
                                                 18,060,992.10          9979                           0              0       9979

RELIANT ENERGY INC             75952J108            324,663.00          6982       X                   0              0       6982

ROCHDALE CORP                  7713159A8            240,125.00         21250       X                   0              0      21250

ROUSE CO                       779273101            236,906.25          9500       X                   0              0       9500

SAFE ROOF SYSTEMS INC          793743A96            210,000.00          8400       X                   0              0       8400

SAFEGUARD SCIENTIFIC INC       786449108             19,538.75           980  X                        0              0        980
                                                    492,456.25         24700       X                   0              0      24700
                                             ----------------- --------------               -------------     ---------- ----------
                                                    511,995.00         25680                           0              0      25680

SALEM OIL & GREASE             794438903            455,566.20           740       X                   0              0        740

SANMINA CORP                   800907107            910,971.25          9730  X                        0              0       9730
                                                    262,150.00          2800       X                   0              0       2800
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,173,121.25         12530                           0              0      12530

SAPIENT CORP                   803062108             48,824.40          1200  X                        0              0       1200
                                                    764,915.60         18800       X                   0              0      18800
                                             ----------------- --------------               -------------     ---------- ----------
                                                    813,740.00         20000                           0              0      20000

SARA LEE CORP                  803111103            109,687.50          5400  X                        0              0       5400
                                                    423,515.63         20850       X                   0              0      20850

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 35,618,374.20        463728                           0              0     463728
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     30
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                          As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    533,203.13         26250                           0              0      26250

SBC COMMUNICATIONS INC         78387G103          2,852,000.00         57040  X                        0              0      57040
                                                  5,631,250.00        112625       X                   0              0     112625
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,483,250.00        169665                           0              0     169665

SCHERING PLOUGH CORP           806605101          8,258,028.00        177592  X                        0              0     177592
                                                  8,400,411.00        180654       X                   0              0     180654
                                             ----------------- --------------               -------------     ---------- ----------
                                                 16,658,439.00        358246                           0              0     358246

SCHLUMBERGER LTD               806857108          2,272,318.96         27606  X                        0              0      27606
                                                  9,475,321.17        115114       X                   0              0     115114
                                             ----------------- --------------               -------------     ---------- ----------
                                                 11,747,640.13        142720                           0              0     142720

SCHOLASTIC CORP                807066105            278,467.00          3500       X                   0              0       3500

SCHWAB CHARLES CORP            808513105            639,000.00         18000  X                        0              0      18000
                                                      5,325.00           150       X                   0              0        150
                                             ----------------- --------------               -------------     ---------- ----------
                                                    644,325.00         18150                           0              0      18150

SEALED AIR CORP NEW            81211K100            289,600.00          6400  X                        0              0       6400
                                                 10,281,071.50        227206       X                   0              0     227206
                                             ----------------- --------------               -------------     ---------- ----------
                                                 10,570,671.50        233606                           0              0     233606

SHERWIN WILLIAMS CO            824348106            243,675.00         11400  X                        0              0      11400
                                                  4,920,396.75        230194       X                   0              0     230194
                                             ----------------- -------------                ------------      ---------  ---------
                                                  5,164,071.75        241594                           0              0     241594

SKLAR CORP                     8306299A1                  0.00         10000       X                   0              0      10000

SOLECTRON CORP                 834182107             55,350.00          1200  X                        0              0       1200
                                                    158,670.00          3440       X                   0              0       3440


                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                 53,760,884.38       1182121                           0              0    1182121
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                      EQUITIES DISCLOSURE (13-F)                                PAGE    31
BUSINESS DATE: 10/02/2000                                                                                     R33.002.001

                                                            As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                    CUSIP           VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- --------------               -------------     ---------- ----------
                                                    214,020.00          4640                           0              0       4640

SOLUTIA INC                    834376105            143,097.50         12580       X                   0              0      12580

SONAMED CORP                   8354099C9          2,287,000.00        571750       X                   0              0     571750

SONUS NETWORKS                 835916107          2,527,500.00         20000       X                   0              0      20000

SOUTHERN CO                    842587107             86,932.50          2680  X                        0              0       2680
                                                    203,512.88          6274       X                   0              0       6274
                                             ----------------- -------------                ------------      ---------  ---------
                                                    290,445.38          8954                           0              0       8954

SPECIALITY RETAIL GROUP INC    8475129A0             50,000.00         10000       X                   0              0      10000

SPRINT CORP FON GROUP          852061100         55,988,135.47       1910043  X                        0              0    1910043
                                                  5,345,896.55        182376       X                   0              0     182376
                                             ----------------- -------------                ------------      ---------  ---------
                                                 61,334,032.02       2092419                           0              0    2092419

SPRINT CORP PCS SER 1          852061506         26,991,673.50        769816  X                        0              0     769816
                                                  4,219,456.37        120341       X                   0              0     120341
                                             ----------------- -------------                ------------      ---------  ---------
                                                 31,211,129.87        890157                           0              0     890157

ST JOE CORP                    790148100            223,387.50          8050       X                   0              0       8050

ST PAUL COS INC                792860108            973,626.00         19744       X                   0              0      19744

STAPLES INC                    855030102          2,882,316.05        203166  X                        0              0     203166
                                                 18,727,677.14       1320059       X                7000              0    1313059
                                             ----------------- -------------                ------------      ---------  ---------
                                                 21,609,993.19       1523225                        7000              0    1516225

STATE STREET CORP              857477103          6,797,830.00         52291  X                        0              0      52291
                                                 64,252,500.00        494250       X                   0              0     494250
                                             ----------------- -------------                ------------      ---------  ---------
                                                 71,050,330.00        546541                           0              0     546541

STRYKER CORP                   863667101            772,875.00         18000  X                        0              0      18000
                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                192,473,416.46       5721420                        7000              0    5714420
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     32
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                       As of 09/30/2000
 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                                    738,525.00         17200       X                   0              0      17200
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,511,400.00         35200                           0              0      35200

SUMMIT BANCORP                 866005101             55,200.00          1600  X                        0              0       1600
                                                    895,275.00         25950       X                   0              0      25950
                                             ----------------- -------------                ------------      ---------  ---------
                                                    950,475.00         27550                           0              0      27550

SUN LIFE FINANCIAL             866796105            292,854.39         14199       X                   0              0      14199

SUN MICROSYSTEMS INC           866810104            574,993.75          4925  X                        0              0       4925
                                                  1,917,151.75         16421       X                   0              0      16421
                                             ----------------- -------------                ------------      ---------  ---------
                                                  2,492,145.50         21346                           0              0      21346

SUNTRUST BKS INC               867914103            159,400.00          3200  X                        0              0       3200
                                                 11,813,781.59        237165       X                   0              0     237165
                                             ----------------- -------------                ------------      ---------  ---------
                                                 11,973,181.59        240365                           0              0     240365

SYSCO CORP                     871829107            805,837.50         17400  X                        0              0      17400
                                                  4,725,357.01        102032       X                   0              0     102032
                                             ----------------- -------------                ------------      ---------  ---------
                                                  5,531,194.51        119432                           0              0     119432

TARGET CORP                    87612E106            143,500.00          5600  X                        0              0       5600
                                                    207,562.50          8100       X                   0              0       8100
                                             ----------------- -------------                ------------      ---------  ---------
                                                    351,062.50         13700                           0              0      13700

TECO ENERGY INC                872375100             69,747.50          2426  X                        0              0       2426
                                                  1,653,211.25         57503       X                   0              0      57503
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,722,958.75         59929                           0              0      59929

TEKTRONIX INC                  879131100            111,224.52          1448  X                        0              0       1448
                                                  6,242,705.57         81272       X                   0              0      81272
                                             ----------------- -------------                ------------      ---------  ---------
                                                  6,353,930.09         82720                           0              0      82720

                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                 30,406,327.33        596441                           0              0     596441
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     33
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000
 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------
TELEFONICA DE ESPANA S A ADR   879382208            178,312.50          3000  X                        0              0       3000
                                                    451,190.06          7591       X                   0              0       7591
                                             ----------------- -------------                ------------      ---------  ---------
                                                    629,502.56         10591                           0              0      10591

TELLABS INC                    879664100             14,325.00           300  X                        0              0        300
                                                  1,910,000.00         40000       X                   0              0      40000
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,924,325.00         40300                           0              0      40300

TEMPLE INLAND INC              879868107            211,266.75          5578       X                   0              0       5578

TERADYNE INC                   880770102          2,207,520.00         63072       X                   0              0      63072

TEXACO INC                     881694103            207,112.50          3945  X                        0              0       3945
                                                  5,094,547.50         97039       X                   0              0      97039
                                             ----------------- -------------                ------------      ---------  ---------
                                                  5,301,660.00        100984                           0              0     100984

TEXAS INSTRS INC               882508104          2,115,887.51         44840  X                        0              0      44840
                                                  8,320,005.63        176318       X                   0              0     176318
                                             ----------------- -------------                ------------      ---------  ---------
                                                 10,435,893.14        221158                           0              0     221158

THERMO ELECTRON CORP           883556102            446,550.00         17175  X                        0              0      17175
                                                    959,322.00         36897       X                   0              0      36897
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,405,872.00         54072                           0              0      54072

TIER TECHNOLOGIES B            88650Q100            186,096.96         25340  X                        0              0      25340
                                                    876,873.60        119400       X                   0              0     119400
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,062,970.56        144740                           0              0     144740

TIFFANY & CO                   886547108            601,575.00         15600  X                        0              0      15600
                                                  8,140,543.75        211100       X                   0              0     211100
                                             ----------------- -------------                ------------      ---------  ---------
                                                  8,742,118.75        226700                           0              0     226700

TIME WARNER INC                887315109          4,723,952.50         60370  X                     1800              0      58570
                                                 15,615,726.50        199562       X                   0              0     199562
                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                 52,260,807.76       1127127                        1800              0    1125327
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     34
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                          As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>                              <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------
                                             ----------------- -------------                ------------      ---------  ---------
                                                 20,339,679.00        259932                        1800              0     258132

TJX COMPANIES INC NEW          872540109             51,750.00          2300  X                        0              0       2300
                                                    472,500.00         21000       X                   0              0      21000
                                             ----------------- -------------                ------------      ---------  ---------
                                                    524,250.00         23300                           0              0      23300

TRANSFUSION TECHNOLOGIES       893650994            151,200.00         16800       X                   0              0      16800

TRANSOCEAN SEDCO FOREX INC     G90078109             33,181.77           566  X                        0              0        566
                                                    295,939.05          5048       X                   0              0       5048
                                             ----------------- -------------                ------------      ---------  ---------
                                                    329,120.82          5614                           0              0       5614

TRIBUNE CO                     896047107            370,812.50          8500  X                        0              0       8500
                                                 88,044,978.38       2018223       X                   0              0    2018223
                                             ----------------- -------------                ------------      ---------  ---------
                                                 88,415,790.88       2026723                           0              0    2026723

TRW INC                        872649108            587,965.63         14473  X                        0              0      14473
                                                  2,054,934.38         50583       X                   0              0      50583
                                             ----------------- -------------                ------------      ---------  ---------
                                                  2,642,900.01         65056                           0              0      65056

TXU CORP                       873168108            445,702.00         11248       X                   0              0      11248

TYCO INTL LTD NEW              902124106          4,514,836.88         87033  X                     1000              0      86033
                                                102,441,920.01       1974784       X                   0              0    1974784
                                             ----------------- -------------                ------------      ---------  ---------
                                                106,956,756.89       2061817                        1000              0    2060817

UNION PAC CORP                 907818108            494,801.00         12728       X                   0              0      12728

UNITED PARCEL SERVICE CLASS A  911308104         74,848,651.50       1298892       X                   0              0    1298892

UNITED PARCEL SERVICE CLASS B  911312106          4,782,855.01         84840  X                     1000              0      83840
                                                 25,086,085.76        444986       X                   0              0     444986
                                             ----------------- -------------                ------------      ---------  ---------
                                                 29,868,940.77        529826                        1000              0     528826

                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                304,678,113.87       6052004                        2000              0    6050004
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     35
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001
                                                      As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- ------------      ---------  ---------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

UNITED TECHNOLOGIES CORP       913017109          4,356,309.75         62907  X                        0              0      62907
                                                 31,994,261.75        462011       X                   0              0     462011
                                             ----------------- -------------                ------------      ---------  ---------
                                                 36,350,571.50        524918                           0              0     524918

UNOCAL CORP                    915289102            364,297.51         10280       X                   0              0      10280

US BANCORP DEL                 902973106            292,496.75         12857  X                        0              0      12857
                                                  1,542,996.00         67824       X                   0              0      67824
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,835,492.75         80681                           0              0      80681

USX-MARATHON GROUP             902905827             39,725.00          1400  X                        0              0       1400
                                                    968,296.88         34125       X                   0              0      34125
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,008,021.88         35525                           0              0      35525

VA LINUX SYSTEMS               91819B105            615,818.75         13315       X                3991              0       9324

VARIAN INC                     922206107            813,871.80         18900       X                   0              0      18900

VARIAN MEDICAL SYSTEMS INC     92220P105            316,312.50          7000  X                        0              0       7000
                                                  1,810,211.25         40060       X                   0              0      40060
                                             ----------------- -------------                ------------      ---------  ---------
                                                  2,126,523.75         47060                           0              0      47060

VARIAN SEMICONDUCTOR EQUIPMENT 922207105            818,372.82         21860       X                   0              0      21860
ASSOC INC

VERITAS SOFTWARE CORP          923436109          2,769,000.00         19500       X                   0              0      19500

VERIZON COMMUNICATIONS INC     92343V104          1,926,117.22         39765  X                        0              0      39765
                                                 14,959,067.72        308832       X                   0              0     308832
                                             ----------------- -------------                ------------      ---------  ---------
                                                 16,885,184.94        348597                           0              0     348597

VERTEX PHARMACEUTICALS         92532F100          2,905,363.50         34383  X                        0              0      34383
                                                 45,745,004.50        541361       X                   0              0     541361
                                             ----------------- -------------                ------------      ---------  ---------
                                                 48,650,368.00        575744                           0              0     575744

                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                112,237,523.70       1696380                        3991              0    1692389
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     36
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                      As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- -------------  ---- --- ---- ------------      ---------  ---------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         COMMON (cont.)
         --------------

VIACOM INC CL B                925524308          8,715,681.00        148986  X                     1842              0     147144
                                                 16,271,833.50        278151       X                   0              0     278151
                                             ----------------- -------------                ------------      ---------  ---------
                                                 24,987,514.50        427137                        1842              0     425295

VICOR CORP                     925815102          9,847,460.00        181520       X                   0              0     181520

VODAPHONE GROUP PLC - SP ADR   92857W100          2,292,520.00         61960  X                        0              0      61960
                                                  6,595,472.00        178256       X                   0              0     178256
                                             ----------------- -------------                ------------      ---------  ---------
                                                  8,887,992.00        240216                           0              0     240216

VULCAN MATERIALS CO            929160109            265,237.50          6600  X                        0              0       6600
                                                     13,824.50           344       X                   0              0        344
                                             ----------------- -------------                ------------      ---------  ---------
                                                    279,062.00          6944                           0              0       6944

VULCAN POWER CO CL A COMMON    929187995                  0.00        206791       X                   0              0     206791

WACHOVIA CORP NEW              929771103            178,565.63          3150  X                        0              0       3150
                                                  1,380,113.88         24346       X                   0              0      24346
                                             ----------------- -------------                ------------      ---------  ---------
                                                  1,558,679.51         27496                           0              0      27496

WAL MART STORES INC            931142103          1,844,920.01         38336  X                        0              0      38336
                                                  4,694,690.00         97552       X                   0              0      97552
                                             ----------------- -------------                ------------      ---------  ---------
                                                  6,539,610.01        135888                           0              0     135888

WALGREEN CO                    931422109          1,024,312.50         27000  X                        0              0      27000
                                                  3,495,106.00         92128       X                   0              0      92128
                                             ----------------- -------------                ------------      ---------  ---------
                                                  4,519,418.50        119128                           0              0     119128

WASHINGTON MUTUAL INC          939322103            134,367.19          3375  X                        0              0       3375
                                                    188,711.25          4740       X                   0              0       4740
                                             ----------------- -------------                ------------      ---------  ---------
                                                    323,078.44          8115                           0              0       8115

WASHINGTON POST CO CL B        939640108            211,150.00           400  X                        0              0        400
                                                 13,545,800.39         25661       X                   0              0      25661
                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                 70,699,765.35       1379296                        1842              0    1377454
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     37
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                          As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- -------------  ---- --- ---- ------------      ---------- ---------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>

         COMMON (cont.)
         --------------
                                             ----------------- -------------                ------------      ---------  ---------
                                                 13,756,950.39         26061                           0              0      26061

WASTE MANAGEMENT INC (NEW)     94106L109             12,642.19           725  X                        0              0        725
                                                    449,625.94         25785       X                   0              0      25785
                                             ----------------- -------------                ------------      ---------  ---------
                                                    462,268.13         26510                           0              0      26510

WATERS CORP                    941848103          1,210,400.00         13600  X                        0              0      13600

WEBCREDIT INC.                 9292999A5            471,480.00        157160       X                   0              0     157160

WELLS FARGO & CO               949746101          4,688,335.33        102059  X                        0              0     102059
                                                 10,894,996.90        237170       X                   0              0     237170
                                             ----------------- -------------                ------------      ---------  ---------
                                                 15,583,332.23        339229                           0              0     339229

WESTERN PROPERTIES TRUST       959261108            277,031.25         22500       X                   0              0      22500

WEYERHAEUSER CO                962166104             56,525.00          1400  X                        0              0       1400
                                                    935,771.38         23177       X                   0              0      23177
                                             ----------------- -------------                ------------      ---------  ---------
                                                    992,296.38         24577                           0              0      24577

WHITE MOUNTAIN INSURANCE GROUP G9618E107          3,490,344.13         12791  X                        0              0      12791
INC

WHOLE FOODS MKT INC            966837106             42,949.60           800  X                        0              0        800
                                                    362,387.25          6750       X                   0              0       6750
                                             ----------------- -------------                ------------      ---------  ---------
                                                    405,336.85          7550                           0              0       7550

WILEY JOHN & SONS INC          968223305            740,000.00         32000       X                   0              0      32000

WILEY JOHN & SONS INC A        968223206          2,050,612.50         89400  X                        0              0      89400
                                                  1,101,000.00         48000       X                   0              0      48000
                                             ----------------- -------------                ------------      ---------  ---------
                                                  3,151,612.50        137400                           0              0     137400

WILLIAMS COS INC               969457100             66,543.75          1575  X                        0              0       1575
                                                    291,313.75          6895       X                   0              0       6895
                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                 27,141,958.97        781787                           0              0     781787
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     38
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                          As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- -------------  ---- --- ---- ------------      ---------  ---------
<S>                            <C>           <C>               <C>            <C>  <C>      <C>               <C>        <C>
         COMMON (cont.)
         --------------

                                             ----------------- -------------                ------------      ---------  ---------
                                                    357,857.50          8470                           0              0       8470

WILMINGTON TR CORP             971807102             49,656.76           926  X                        0              0        926
                                                    552,337.50         10300       X                   0              0      10300
                                             ----------------- -------------                ------------      ---------  ---------
                                                    601,994.26         11226                           0              0      11226

WISCONSIN ENERGY CORP          976657106             47,052.50          2360  X                        0              0       2360
                                                    589,153.15         29550       X                   0              0      29550
                                             ----------------- -------------                ------------      ---------  ---------
                                                    636,205.65         31910                           0              0      31910

WORLDCOM INC                   98157D106          1,447,885.15         47667  X                        0              0      47667
                                                  3,489,905.26        114894       X                   0              0     114894
                                             ----------------- -------------                ------------      ---------  ---------
                                                  4,937,790.41        162561                           0              0     162561

WPS RES CORP                   92931B106            550,200.00         16800       X                   0              0      16800

ZAPWORLD.COM                   98912M102            686,329.91        120684       X                   0              0     120684

ZOLL MED CORP                  989922109            385,125.00          7900       X                   0              0       7900

                                             ================= =============                ============      =========  =========
TOTALS FOR COMMON                             3,869,971,587.19      77817889                      116258              0   77701631

                                             ================= =============                ============      =========  =========
GRAND TOTALS                                  3,869,971,587.19      77817889                      116258              0   77701631
         PREFERRED
         ---------

ARGUS SOFTWARE PFD             0402769C3              9,600.00          8000  X                        0              0       8000
                                                    903,000.00        752500       X                   0              0     752500
                                             ----------------- -------------                ------------      ---------  ---------
                                                    912,600.00        760500                           0              0     760500

BANKAMERICA CAPITAL $1.938 PFD 066046202            243,750.00         10000       X                   0              0      10000

BIZFON INC PFD Ser A           0910999A1             30,000.00         30000  X                        0              0      30000
                                                    484,000.00        484000       X                   0              0     484000
                                             ----------------- -------------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE              7,749,411,169.61     157271358                      232516              0  157038842
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     39
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                      As of 09/30/2000

 HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                  MARKET                      INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                 CUSIP              VALUE            SH/PV      SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------ ------------  ----------------- ------------   ---- --- ---- -----------       ---------- ----------
<S>                            <C>           <C>               <C>            <C>  <C> <C>  <C>               <C>        <C>
         PREFERRED (cont.)
         -----------------
                                               -----------------   ------------               ----------      ---------  ---------
                                                      514,000.00        514000                         0              0     514000

BIZFON INC PFD Ser B               0910999B9            1,710.00           900  X                      0              0        900
                                                      470,058.10        247399       X                 0              0     247399
                                               -----------------   -----------                ----------      ---------  ---------
                                                      471,768.10        248299                         0              0     248299

BIZFON INC. PFD Ser C              0910999C7           50,000.00         20000  X                      0              0      20000
                                                       95,000.00         38000       X                 0              0      38000
                                               -----------------   -----------                ----------      ---------  ---------
                                                      145,000.00         58000                         0              0      58000

BIZFON INC PFD Ser D               0910999D5          305,799.60       1019332       X                 0              0    1019332

CAIRNSTONE INC CV PFD Ser A        1277669D7                0.00         11111       X                 0              0      11111

CIPHERGEN BIOSYSTEMS INC PFD       172922916          120,000.00         60000       X                 0              0      60000
Ser D

CIPHERGEN BIOSYSTEMS INC PFD       1729229E8            8,250.00          3000  X                      0              0       3000
Ser E
                                                       21,626.00          7864       X                 0              0       7864
                                               -----------------   -----------                ----------      ---------  ---------
                                                       29,876.00         10864                         0              0      10864

CORPORATION FOR LASER OPTICS       2200359B7           10,000.00          2500  X                      0              0       2500
RESEARCH PFD Ser B
                                                      208,000.00         52000       X                 0              0      52000
                                               -----------------   -----------                ----------      ---------  ---------
                                                      218,000.00         54500                         0              0      54500

DELPHI FORUMS INC CV PFD Ser B     2471539B7          284,509.80        605340       X             32000              0     573340

DOMANIA.COM INC PFD Ser C          257450916           10,000.25         10710  X                      0              0      10710
                                                      190,000.05        203485       X                 0              0     203485
                                               -----------------   -----------                ----------      ---------  ---------
                                                      200,000.30        214195                         0              0     214195

eHEALTHDIRECT INC PFD Ser A        3869725A7          166,667.78         37504       X                 0              0      37504

                                               -----------------   -----------                ----------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                    1,941,621.58       2319145                     32000              0    2287145
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     40
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                                INVEST
                                                      MARKET                    INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                         CUSIP          VALUE          SH/PV      SOLE SHR MGR      SOLE            SHARED    NONE
------------------------------       ---------     -------------   -----------  ---- --- ---- ----------        --------- ---------
<S>                                  <C>           <C>             <C>          <C>  <C> <C>  <C>               <C>       <C>
         PREFERRED (cont.)
         -----------------

EPIC THERAPEUTICS INC CONV PFD       9893186B1       30,000.00         50000    X                      0              0      50000
Ser B

IBM CORP DEP SH REP 1/4 $1.875       459200309       25,437.50          1000    X                      0              0       1000
PFD Ser A                                           557,081.25         21900    X                      0              0      21900
                                                 -------------   -----------                ------------      ---------  ---------
                                                    582,518.75         22900                           0              0      22900

iEMILY.COM INC PFD               4526479B8           49,999.18         31401        X                  0              0      31401

INTERNET COMMERCE SVCS CO CV     4605679A0          720,000.00        720000        X                  0              0     720000
PFD Ser A

MARATHON TECHNOLOGIES CORP CV    565915998          605,000.00        121000        X                  0              0     121000
PFD Ser A

MARATHON TECHNOLOGIES CORP CV    565915980           70,000.00          8750    X                      0              0       8750
PFD Ser B

                                                    910,000.00        113750        X                  0              0     113750
                                                 -------------   -----------                ------------      ---------  ---------
                                                    980,000.00        122500                           0              0     122500

MARATHON TECHNOLOGIES CORP CV    5659159A5          542,352.00         45196        X                  0              0      45196
PFD Ser D

MARATHON TECHNOLOGIES CORP CV    5659159E7           45,034.11          2286    X                      0              0       2286
PFD Ser E

                                                  1,289,973.47         65481        X               1523              0      63958
                                                 -------------   -----------                ------------      ---------  ---------
                                                  1,335,007.58         67767                        1523              0      66244

MEDIA ONE GROUP 7% PREM INC      58440J500          260,750.00          7000    X                      0              0       7000
EXCHAN SEC $3.500 PFD
                                                    309,175.00          8300        X                  0              0       8300
                                                 -------------   -----------                ------------      ---------  ---------
                                                    569,925.00         15300                           0              0      15300

MESSAGEBLASTER.COM INC CONV      5907439C6          125,995.16         21080        X                  0              0      21080
PFD Ser C

                                                 -------------   -----------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                  5,540,797.67       1217144                        1523              0    1215621
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                                     PAGE     41
BUSINESS DATE: 10/02/2000                                                                                       R33.002.001

                                                         As of 09/30/2000

HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                                              INVEST
                                                    MARKET                    INVEST AUTH   VOTING AUTH (SHARES)
NAME OF ISSUER                   CUSIP              VALUE           SH/PV     SOLE SHR MGR      SOLE            SHARED      NONE
------------------------------   ---------     ---------------   -----------  ---- --- ---- ------------      ---------- ---------
<S>                              <C>           <C>               <C>          <C>  <C> <C>  <C>               <C>        <C>
         PREFERRED (cont.)
         -----------------

MICROLOGIC INC CL A PFD          5950769A0          379,485.00         50598        X                  0              0      50598

MOTOROLA 6.68% CAPITAL TR PFD    620074203        1,126,662.50         52100   X                    2000              0      50100
                                                  2,832,334.38        130975        X                  0              0     130975
                                               ---------------   -----------                ------------      ---------  ---------
                                                  3,958,996.88        183075                        2000              0     181075

NETWORKS ON-LINE INC CV PFD      641218912                0.00          6376    X                      0              0       6376
Ser B
                                                          0.00         48624         X                 0              0      48624
                                               ---------------   -----------                ------------      ---------  ---------
                                                          0.00         55000                           0              0      55000

NOBLENET INC PFD Ser A           6550989A1          300,000.00        240000         X                 0              0     240000

PACIFIC TELESIS FING II $2.125   694889205           49,750.00          2000    X                      0              0       2000
PFD

                                                    333,325.00         13400         X                 0              0      13400
                                               ---------------   -----------                ------------      ---------  ---------
                                                    383,075.00         15400                           0              0      15400

PHYTERA INC CONV PFD Ser B       9896814B4           75,750.00         25000    X                      0              0      25000

PRIZMA INC CONV PFD Ser B        7418099B5          102,000.00         34000         X                 0              0      34000

PROCUREPOINT.COM INC PFD         985672A53           25,000.00         25000         X                 0              0      25000

QUICKBUY INC CV PFD Ser B        7484499A5           10,125.00          1350    X                      0              0       1350
                                                    766,800.00        102240         X                 0              0     102240
                                               ---------------   -----------                ------------      ---------  ---------
                                                    776,925.00        103590                           0              0     103590

RECRUITSOURCE INC CONV PFD       7563579B7           40,250.00         35000    X                      0              0      35000
Ser B

                                                     96,600.00         84000         X                 0              0      84000
                                               ---------------   -----------                ------------      ---------  ---------
                                                    136,850.00        119000                           0              0     119000

RELIASTAR FING II $2.025 PFD     75952F205          618,375.00         25500         X                 0              0      25500

                                               ---------------   -----------                ------------      ---------  ---------
         SUBTOTALS FOR THIS PAGE                  6,756,456.88        876163                        2000              0     874163
</TABLE>

<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                         PAGE   42
BUSINESS DATE: 10/02/2000                                                                               R33.002.001

                                                         As of 09/30/2000

HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)
                                                                            INVEST
                                                  MARKET                    INVEST AUTH    VOTING AUTH (SHARES)
NAME OF ISSUER               CUSIP                VALUE          SH/PV      SOLE SHR  MGR         SOLE              SHARED  NONE
-----------------------------------------------------------------------------------------------------------------------------------
<S>                          <C>                  <C>            <C>        <C>  <C>  <C>    <C>                    <C>     <C>

PREFERRED (cont.)

ROVING SOFTWARE INC CONV
 PFD                         77938R9A5               10,010.00     9100       X                             0             0    9100
Ser A                                               189,970.00   172700            X                        0             0  172700
                                                  ------------  -------                                 -----        ------  ------
                                                    199,980.00   181800                                     0             0  181800

RSP AMINO ACID ANALOGUES
 INC                         7496889B5               15,000.00    15000            X                        0             0   15000
CONV PFD Ser B
RSP FINE CHEMICALS INC CV
 PFD                         7496999A4               50,000.00    10000            X                         0             0   10000
Ser A

SEALED AIR CORP CV $2.000
 PFD                         81211K209               67,500.00     1500       X                             0             0    1500
                                                    607,500.00    13500            X                        0             0   13500
                                                  ------------  -------                                 -----        ------  ------
                                                    675,000.00    15000                                     0             0   15000

SONAMED CORP CV PFD Ser B    835409996               56,320.00     8800       X                             0             0    8800
                                                    347,532.80    54302            X                        0             0   54302
                                                  ------------  -------                                 -----        ------  ------
                                                    403,852.80    63102                                     0             0   63102

SONAMED CORP PFD Ser A       8354099H8               28,768.00     4495       X                             0             0    4495
                                                    499,168.00    77995            X                        0             0   77995
                                                  ------------  -------                                 -----        ------  ------
                                                    527,936.00    82490                                     0             0   82490

SPECTRA SCIENCE CORP CONV
 PFD                         847619996              104,917.50    46630       X                             0             0   46630
Ser A
                                                    867,667.50   385630            X                        0             0  385630
                                                  ------------  -------                                 -----        ------  ------
                                                    972,585.00   432260                                     0             0  432260

SURGICAL SEALANTS INC CV
 PFD                         8688889A8              275,025.00     7334            X                        0             0    7334
Ser A

SURGICAL SEALANTS INC CV
 PFD                         8688889B6              480,000.00     7680            X                        0             0    7680
Ser B

TURNSTONE PUBLISHING GROUP
 INC                         8998994A3              200,001.88     3299            X                        0             0    3299
CONV PFD Ser A
                                                  ------------  -------                                 -----        ------  ------
 SUBTOTALS FOR THIS PAGE                          3,799,380.68   817965                                     0             0  817965
</TABLE>

                                       42
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                         PAGE   43
BUSINESS DATE: 10/02/2000                                                                               R33.002.001

                                                         As of 09/30/2000

HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)
                                                                            INVEST
                                                  MARKET                    INVEST AUTH    VOTING AUTH (SHARES)
NAME OF ISSUER               CUSIP                VALUE          SH/PV      SOLE SHR  MGR         SOLE              SHARED  NONE
-----------------------------------------------------------------------------------------------------------------------------------
<S>                          <C>                 <C>             <C>        <C>  <C>  <C>    <C>                    <C>     <C>
    PREFERRED (cont.)
    -----------------
VIRTUAL INK PFD Ser C        928257A95               79,440.00    48000       X                             0             0   48000
                                                    822,535.00   497000            X                        0             0  497000
                                                 -------------  -------                                 -----        ------ -------
                                                    901,975.00   545000                                     0             0  545000

VIRTUAL INK PFD Ser D        928257D92               43,570.40     8000       X                             0             0    8000
                                                    381,241.00    70000            X                        0             0   70000
                                                 -------------  -------                                 -----        ------ -------
                                                    424,811.40    78000                                     0             0   78000

WATSON TECHNOLOGIES          9897954A4              131,250.00    12500       X                             0             0   12500
CORPORATION PFD

WEB CT INC PFD Ser E         929920908              107,800.00    20000       X                             0             0   20000
                                                    185,955.00    34500            X                        0             0   34500
                                                 -------------  -------                                 -----        ------ -------
                                                    293,755.00    54500                                     0             0   54500

WEB CT INC SER C CONV PFD    9299209C2              119,695.30    30770       X                             0             0   30770
                                                  1,042,971.24   268116            X                        0             0  268116
                                                 -------------  -------                                 -----        ------ -------
                                                  1,162,666.54   298886                                     0             0  298886
                                                 =============  =======                                 =====        ====== =======
TOTALS FOR PREFERRED                             22,623,064.75  7503803                                 35523             0 7468280
                                                 =============  =======                                 =====        ====== =======
GRAND TOTALS                                     22,623,064.75  7503803                                 35523             0 7468280
</TABLE>

                                       43
<PAGE>

<TABLE>
<CAPTION>
REPORT RUN: 10/02/2000 at 08:43 AM                   EQUITIES DISCLOSURE (13-F)                         PAGE   44
BUSINESS DATE: 10/02/2000                                                                               R33.002.001

                                                         As of 09/30/2000

HOLDING COMPANY: (2) WELCH AND FORBES (Cont.)

                                                    Produced on trust2>WELCHDB

                                     The parameters used in producing report R33.002.001 were:

                          <S>                                   <C>                         <C>
                          ASOF##                                 =                           09/30/2000
                          BK_LIST##                              =                                  ( )
                          DV_SUM#                                =                                  YES
                          BK_SUM#                                =                                   NO
                          MIN_SHARES#                            =                               10,000
                          MIN_CORP_SHARES#                       =                               10,000
                          MIN_MKT_VAL#                           =                           200,000.00
                          CUSIP#1                                =                                  ( )

                  ======================================== End of Report========================================

</TABLE>

                                       44


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