WELCH & FORBES INC
13F-HR, 2001-01-08
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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 12/31/00
                                                      --------

                        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
January, 2001.

                                                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>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE      1
BUSINESS DATE: 01/02/2001                                        R33.002.001


                               As of 12/31/2000

 HOLDING COMPANY:      (2) WELCH AND FORBES

<TABLE>
<CAPTION>
                                                                              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            662,106.75         38383  X                        0              0      38383
                                                  1,803,729.00        104564       X                   0              0     104564
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,465,835.75        142947                           0              0     142947

A T & T CORP-LIBERTY MEDIA     001957208          1,786,520.31        131725  X                        0              0     131725
GROUP A
                                                  2,989,188.56        220401       X                   0              0     220401
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,775,708.87        352126                           0              0     352126

ABACAN RESOURCES CORP          002919108                120.00         12000  X                        0              0      12000

ABBOTT LABS                    002824100         18,174,089.09        375207  X                        0              0     375207
                                                 37,279,776.61        769647       X                   0              0     769647
                                             ----------------- --------------               -------------     ---------- ----------
                                                 55,453,865.70       1144854                           0              0    1144854

ABTECH INDUSTRIES INC          00352099A             30,003.75          5715  X                        0              0       5715
                                                     44,997.75          8571       X                   0              0       8571
                                             ----------------- --------------               -------------     ---------- ----------
                                                     75,001.50         14286                           0              0      14286

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

AES CORP                       00130H105          4,014,687.50         72500  X                        0              0      72500
                                                      5,537.50           100       X                   0              0        100
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,020,225.00         72600                           0              0      72600

AETNA INC                      00817Y108             22,584.38           550  X                        0              0        550
                                                    318,850.31          7765       X                   0              0       7765
                                             ----------------- --------------               -------------     ---------- ----------
                                                    341,434.69          8315                           0              0       8315

AFLAC INC                      001055102          1,508,718.75         20900  X                      500              0      20400
                                                  2,028,468.75         28100       X                   0              0      28100
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,537,187.50         49000                         500              0      48500

AGILENT TECHNOLOGIES INC       00846U101            980,517.75         17909  X                        0              0      17909
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 71,699,896.76       1826537                         500              0    1826037
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE      2
BUSINESS DATE: 01/02/2001                                        R33.002.001


                               As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                                 11,495,748.00        209968       X                1220              0     208748
                                             ----------------- --------------               -------------     ---------- ----------
                                                 12,476,265.75        227877                        1220              0     226657

AIR PRODS & CHEMS INC          009158106            709,300.00         17300  X                        0              0      17300
                                                  5,260,628.00        128308       X                   0              0     128308
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,969,928.00        145608                           0              0     145608

ALCOA INC.                     013817101            170,850.00          5100  X                        0              0       5100
                                                    266,593.00          7958       X                   0              0       7958
                                             ----------------- --------------               -------------     ---------- ----------
                                                    437,443.00         13058                           0              0      13058

ALLIANT ENERGY CORP            018802108              4,781.25           150  X                        0              0        150
                                                  2,825,495.63         88643       X                   0              0      88643
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,830,276.88         88793                           0              0      88793

ALLIED CAPITAL CORP            01903Q108            348,612.50         16700       X                   0              0      16700

ALLSTATE CORP                  020002101            144,061.19          3307  X                        0              0       3307
                                                  1,016,313.17         23330       X                   0              0      23330
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,160,374.36         26637                           0              0      26637

ALLTEL CORP                    020039103            560,314.14          8974  X                        0              0       8974
                                                  8,847,393.80        141700       X                   0              0     141700
                                             ----------------- --------------               -------------     ---------- ----------
                                                  9,407,707.94        150674                           0              0     150674

ALZA CORP DEL                  022615108             85,000.00          2000  X                        0              0       2000
                                                  2,193,000.00         51600       X                   0              0      51600
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,278,000.00         53600                           0              0      53600

AMERICA ONLINE INC             02364J104            383,496.00         11020  X                        0              0      11020
                                                    508,950.00         14625       X                   0              0      14625
                                             ----------------- --------------               -------------     ---------- ----------
                                                    892,446.00         25645                           0              0      25645

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 34,820,536.68        730683                        1220              0     729463
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE      3
BUSINESS DATE: 01/02/2001                                        R33.002.001


                               As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

AMERICAN BIOGENETIC            024611105             13,740.00         20000       X                   0              0      20000

AMERICAN ELEC PWR INC          025537101             49,987.50          1075  X                        0              0       1075
                                                    316,339.50          6803       X                   0              0       6803
                                             ----------------- --------------               -------------     ---------- ----------
                                                    366,327.00          7878                           0              0       7878

AMERICAN EXPRESS CO            025816109          2,744,567.64         49958  X                        0              0      49958
                                                  9,472,158.94        172417       X                   0              0     172417
                                             ----------------- --------------               -------------     ---------- ----------
                                                 12,216,726.58        222375                           0              0     222375

AMERICAN GENERAL CORP          026351106            145,233.00          1782  X                        0              0       1782
                                                 16,918,829.50        207593       X                   0              0     207593
                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,064,062.50        209375                           0              0     209375

AMERICAN HOME PRODS CORP       026609107          5,758,646.80         90616  X                        0              0      90616
                                                 37,528,626.35        590537       X                   0              0     590537
                                             ----------------- --------------               -------------     ---------- ----------
                                                 43,287,273.15        681153                           0              0     681153

AMERICAN INTL GROUP            026874107         26,583,883.59        269716  X                     3000              0     266716
                                                114,886,939.41       1165625       X                   0              0    1165625
                                             ----------------- --------------               -------------     ---------- ----------
                                                141,470,823.00       1435341                        3000              0    1432341

AMERICAN WTR WKS INC           030411102            470,000.00         16000       X                   0              0      16000

AMGEN INC                      031162100          2,930,999.96         45842  X                      800              0      45042
                                                 12,774,420.80        199797       X                   0              0     199797
                                             ----------------- --------------               -------------     ---------- ----------
                                                 15,705,420.76        245639                         800              0     244839

ANADARKO PETE CORP             032511107          1,450,032.00         20400  X                        0              0      20400
                                                  2,214,142.00         31150       X                   0              0      31150
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,664,174.00         51550                           0              0      51550

ANALOG DEVICES INC             032654105          1,101,043.14         21510  X                        0              0      21510
                                                  4,780,195.92         93386       X                   0              0      93386
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                240,139,786.05       3004207                        3800              0    3000407
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE      4
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000


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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,932,426.56        115896                           0              0     115896

ANHEUSER BUSCH COS INC         035229103            862,680.00         18960  X                        0              0      18960
                                                 12,535,250.00        275500       X                   0              0     275500
                                             ----------------- --------------               -------------     ---------- ----------
                                                 13,397,930.00        294460                           0              0     294460

AON CORP                       037389103            173,373.50          5062  X                        0              0       5062
                                                     83,227.50          2430       X                   0              0       2430
                                             ----------------- --------------               -------------     ---------- ---------
                                                    256,601.00          7492                           0              0       7492

APACHE CORP                    037411105            620,053.13          8850  X                        0              0       8850
                                                    700,625.00         10000       X                   0              0      10000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,320,678.13         18850                           0              0      18850

APPLIED MATLS INC              038222105            504,068.40         13200  X                        0              0      13200
                                                  1,909,350.00         50000       X                   0              0      50000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,413,418.40         63200                           0              0      63200

ARGUSS COMMUNICATIONS INC      040282105            393,880.63         43165       X                   0              0      43165

AU BON PAIN INC B              050990100             21,216.44          4297  X                        0              0       4297
                                                    338,949.51         68648       X                   0              0      68648
                                             ----------------- --------------               -------------     ---------- ----------
                                                    360,165.95         72945                           0              0      72945

AUTOMATIC DATA PROCESSING      053015103          6,428,814.55        101541  X                      500              0     101041
                                                 11,234,043.41        177438       X                   0              0     177438
                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,662,857.96        278979                         500              0     278479

AVALONBAY COMMUNITIES INC      053484101            325,812.50          6500  X                        0              0       6500

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

AVERY DENNISON CORP            053611109            330,128.00          6016  X                        0              0       6016
                                                    471,925.00          8600       X                   0              0       8600
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 37,683,397.57       1550207                         500              0    1549707
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE      5
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    802,053.00         14616                           0              0      14616

AVERY DEWING CORP              0536229A6            209,591.51           243  X                        0              0        243
                                                    932,824.62          1083       X                   0              0       1083
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,142,416.13          1327                           0              0       1327

AVIRON                         053762100            367,466.00          5500  X                        0              0       5500
                                                  2,197,179.43         32886       X                   0              0      32886
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,564,645.43         38386                           0              0      38386

B B & T CORP                   054937107            149,250.00          4000  X                        0              0       4000
                                                    610,805.63         16370       X                   0              0      16370
                                             ----------------- --------------               -------------     ---------- ----------
                                                    760,055.63         20370                           0              0      20370

BALLARD POWER SYSTEMS          05858H104          1,263,120.00         20000       X                   0              0      20000

BANK NEW YORK INC              064057102          1,335,537.50         24200  X                     1000              0      23200
                                                  3,902,473.69         70713       X                   0              0      70713
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,238,011.19         94913                        1000              0      93913

BANK OF AMERICA CORP           060505104            211,713.13          4615  X                        0              0       4615
                                                  1,922,988.26         41918       X                   0              0      41918
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,134,701.39         46533                           0              0      46533

BANK ONE CORP                  06423A103          1,773,565.64         48425  X                        0              0      48425
                                                  8,191,401.01        223656       X                   0              0     223656
                                             ----------------- --------------               -------------     ---------- ----------
                                                  9,964,966.65        272081                           0              0     272081

BANKNORTH GROUP INC            06646R107             15,949.60           800  X                        0              0        800
                                                    348,498.76         17480       X                   0              0      17480
                                             ----------------- --------------               -------------     ---------- ----------
                                                    364,448.36         18280                           0              0      18280

BAXTER INTL INC                071813109          1,491,421.50         16888       X                   0              0      16888
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 24,923,786.28        528778                        1000              0     527778
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE      6
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------


BEACON CAP PTRS INC - WYNDHAM  073561987              6,697.06            72  X                        0              0         72
VTG TR I
                                                    290,076.21          3116       X                   0              0       3116
                                             ----------------- --------------               -------------     ---------- ----------
                                                    296,773.27          3188                           0              0       3188

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

BECTON DICKINSON & CO          075887109            491,675.00         14200       X                   0              0      14200

BELLSOUTH CORP                 079860102            805,035.98         19665  X                        0              0      19665
                                                 27,049,575.96        660753       X                   0              0     660753
                                             ----------------- --------------               -------------     ---------- ----------
                                                 27,854,611.94        680418                           0              0     680418

BELO A H CORP DEL              080555105            186,016.00         11626  X                        0              0      11626
                                                  1,072,384.00         67024       X                   0              0      67024
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,258,400.00         78650                           0              0      78650

BERKSHIRE HATHAWAY INC B       084670207          2,130,370.00           905  X                        0              0        905
                                                  7,725,828.00          3282       X                   0              0       3282
                                             ----------------- --------------               -------------     ---------- ----------
                                                  9,856,198.00          4187                           0              0       4187

BERKSHIRE HATHAWAY INC CL A    084670108             71,000.00             1  X                        0              0          1
CONV
                                                    284,000.00             4       X                   0              0          4
                                             ----------------- --------------               -------------     ---------- ----------
                                                    355,000.00             5                           0              0          5

BIOGEN INC                     090597105            876,905.20         14600       X                   0              0      14600

BLACK & DECKER CORP            091797100            694,725.00         17700  X                        0              0      17700
                                                  7,369,187.50        187750       X                   0              0     187750
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,063,912.50        205450                           0              0     205450

BLACK BOX CORP DEL             091826107            343,015.20          7100  X                        0              0       7100
                                                    352,677.60          7300       X                   0              0       7300
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 51,039,168.71       1079598                           0              0    1079598
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE      7
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    695,692.80         14400                           0              0      14400

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

BOEING CO                      097023105            171,600.00          2600  X                        0              0       2600
                                                     33,000.00           500       X                   0              0        500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    204,600.00          3100                           0              0       3100

BOSTON PRIVATE FINANCIAL       101119105            723,907.13         36423       X                   0              0      36423
HOLDINGS INC

BOSTON PROPERTYS INC           101121101             13,050.00           300  X                        0              0        300
                                                    261,000.00          6000       X                   0              0       6000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    274,050.00          6300                           0              0       6300

BRISTOL MYERS SQUIBB CO        110122108          8,030,795.52        108616  X                     1000              0     107616
                                                 35,357,947.66        478214       X                   0              0     478214
                                             ----------------- --------------               -------------     ---------- ----------
                                                 43,388,743.18        586830                        1000              0     585830

BROADCOM CORP A                111320107            287,700.00          3425       X                   0              0       3425

BROWN-FORMAN CORP              115637100            420,525.00          6300  X                        0              0       6300

BURLINGTN NORTHN SANTA FE      12189T104            555,915.94         19635       X                   0              0      19635

BURLINGTON RESOURCES INC       122014103            554,187.00         10974       X                   0              0      10974

CABOT CORP                     127055101            870,375.00         33000  X                        0              0      33000
                                                  1,172,843.50         44468       X                   0              0      44468
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,043,218.50         77468                           0              0      77468

CABOT INDUSTRIAL TRUST         127072106            451,635.38         23538  X                        0              0      23538
                                                  8,537,516.51        444952       X                   0              0     444952
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,989,151.89        468490                           0              0     468490

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 57,576,398.64       1241345                        1000              0    1240345
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE      8
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000


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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

CABOT MICROELECTRONICS CORP    12709P103            480,676.94          9255  X                        0              0       9255
                                                    647,706.34         12471       X                   0              0      12471
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,128,383.28         21726                           0              0      21726

CAIRNSTONE INC                 1277669C9                  0.00        200000       X                   0              0     200000

CAMPBELL SOUP CO               134429109            180,050.00          5200  X                        0              0       5200
                                                  5,493,256.25        158650       X                   0              0     158650
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,673,306.25        163850                           0              0     163850

CAPITAL ONE FINL CORP          14040H105          1,293,084.00         19648       X                   0              0      19648

CARDINAL HEALTH INC            14149Y108          1,142,101.01         11464  X                        0              0      11464
                                                  5,043,017.51         50620       X                   0              0      50620
                                             ----------------- --------------               -------------     ---------- ----------
                                                  6,185,118.52         62084                           0              0      62084

CARDIOTECH INTL INC            14160C100             12,950.00         14800  X                        0              0      14800

CATERPILLAR INC                149123101            292,391.25          6180       X                   0              0       6180

CENTAUR INC                    151327996            111,639.00         74426       X                   0              0      74426

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

CHAMPION ENTERPRISES INC       158496109             41,250.00         15000  X                        0              0      15000
                                                      2,750.00          1000       X                   0              0       1000
                                             ----------------- --------------               -------------     ---------- ----------
                                                     44,000.00         16000                           0              0      16000

CHASE GEN CORP                 161555107                  0.00         19129       X                   0              0      19129

CHASE MANHATTAN CORP NEW       16161A108            194,199.90          4274  X                        0              0       4274
                                                    575,784.01         12672       X                   0              0      12672
                                             ----------------- --------------               -------------     ---------- ----------
                                                    769,983.91         16946                           0              0      16946

CHEVRON CORP                   166751107          1,266,900.25         15004  X                        0              0      15004
                                                  5,451,622.76         64564       X                   0              0      64564
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 22,299,379.22        734357                           0              0     734357
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE      9
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000


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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                  6,718,523.01         79568                           0              0      79568

CHUBB CORP                     171232101            583,529.00          6746  X                        0              0       6746
                                                  2,676,223.50         30939       X                   0              0      30939
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,259,752.50         37685                           0              0      37685

CIENA CORP                     171779101            476,125.00          5860  X                        0              0       5860

CIGNA CORP                     125509109            777,130.20          5874  X                        0              0       5874
                                                  3,643,542.00         27540       X                   0              0      27540
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,420,672.20         33414                           0              0      33414

CINTAS CORP                    172908105         16,517,808.00        310561  X                     2400              0     308161
                                                 81,166,234.21       1526054       X                6000              0    1520054
                                             ----------------- --------------               -------------     ---------- ----------
                                                 97,684,042.21       1836615                        8400              0    1828215

CIPHERGEN BIOSYSTEMS           17252Y104             17,092.50          1290  X                        0              0       1290
                                                    386,648.25         29181       X                   0              0      29181
                                             ----------------- --------------               -------------     ---------- ----------
                                                    403,740.75         30471                           0              0      30471

CISCO SYSTEMS INC              17275R102          8,265,289.50        216086  X                        0              0     216086
                                                 22,259,052.00        581936       X                   0              0     581936
                                             ----------------- --------------               -------------     ---------- ----------
                                                 30,524,341.50        798022                           0              0     798022

CITIGROUP INC.                 172967101          5,108,190.40        100038  X                     3700              0      96338
                                                  6,292,482.95        123231       X                   0              0     123231
                                             ----------------- --------------               -------------     ---------- ----------
                                                 11,400,673.35        223269                        3700              0     219569

CITIZENS BANCSHARES CO         17316Q105            297,500.00          8500       X                   0              0       8500

CLARITY IMAGING TECHNOLOGIES   170000954                  0.00        120000       X                   0              0     120000
INC

CLOSURE MED CORP               189093107             18,000.00           500  X                        0              0        500
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                148,484,847.51       3094336                       12100              0    3082236
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)      PAGE   10
BUSINESS DATE: 01/02/2001                                          R33.002.001

                               As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                             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>
                                                  1,008,000.00         28000       X                   0              0      28000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,026,000.00         28500                           0              0      28500

CMGI INC                       125750109             51,856.38          9270  X                        0              0       9270
                                                    327,528.70         58550       X                   0              0      58550
                                             ----------------- --------------               -------------     ---------- ----------
                                                    379,385.08         67820                           0              0      67820

COASTAL CORP                   190441105            777,150.00          8800  X                        0              0       8800
                                                    750,656.25          8500       X                   0              0       8500
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,527,806.25         17300                           0              0      17300

COCA COLA CO                   191216100          7,330,171.89        120290  X                        0              0     120290
                                                 11,037,792.21        181133       X                   0              0     181133
                                             ----------------- --------------               -------------     ---------- ----------
                                                 18,367,964.10        301423                           0              0     301423

COGNEX CORP                    192422103          2,079,949.13         94009  X                     2000              0      92009
                                                 15,039,601.50        679756       X                   0              0     679756
                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,119,550.63        773765                        2000              0     771765

COLGATE PALMOLIVE CO           194162103          5,567,437.50         86250  X                        0              0      86250
                                                  9,878,021.95        153029       X                   0              0     153029
                                             ----------------- --------------               -------------     ---------- ----------
                                                 15,445,459.45        239279                           0              0     239279

COMCAST CORP SPL A             200300200            668,835.00         16020  X                        0              0      16020

COMPAQ COMPUTER CORP           204493100            107,216.20          7124  X                        0              0       7124
                                                    191,135.00         12700       X                   0              0      12700
                                             ----------------- --------------               -------------     ---------- ----------
                                                    298,351.20         19824                           0              0      19824

COMPUTER SCIENCES CORP         205363104          1,286,675.00         21400  X                        0              0      21400
                                                    818,301.25         13610       X                   0              0      13610
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,104,976.25         35010                           0              0      35010

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 56,920,327.96       1498441                        2000              0    1496441
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)       PAGE   11
BUSINESS DATE: 01/02/2001                                           R33.002.001

                               As of 12/31/2000


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

<TABLE>
<CAPTION>
                                                                              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>
COMVERSE TECHNOLOGY INC        205862402            315,012.50          2900       X                   0              0       2900

CONCORD EFS INC                206197105          1,094,031.30         24900  X                        0              0      24900
                                                  3,061,574.12         69681       X                   0              0      69681
                                             ----------------- --------------               -------------     ---------- ---------
                                                  4,155,605.42         94581                           0              0      94581

CONOCO INC B                   208251405            231,528.94          8001  X                        0              0       8001
                                                  2,688,756.84         92916       X                   0              0      92916
                                             ----------------- --------------               -------------     ---------- ---------
                                                  2,920,285.78        100917                           0              0     100917

CONSOLIDATED STORES CORP       210149100            131,622.50         12388       X                   0              0      12388

CONSTELLATION ENERGY GROUP INC 210371100            254,558.07          5649       X                   0              0       5649

CORNING INC                    219350105            551,204.07         10437  X                        0              0      10437
                                                  9,645,991.91        182646       X                   0              0     182646
                                             ----------------- --------------               -------------     ---------- ---------
                                                 10,197,195.98        193083                           0              0     193083

CORP FOR LASER OPTICS RES      2200359A9             12,501.00          6945  X                        0              0       6945
                                                     87,499.80         48611       X                   0              0      48611
                                             ----------------- --------------               -------------     ---------- ---------
                                                    100,000.80         55556                           0              0      55556

COX COMMUNICATIONS INC A       224044107            727,399.38         15622  X                        0              0      15622
                                                  1,195,631.88         25678       X                   0              0      25678
                                             ----------------- --------------               -------------     ---------- ---------
                                                  1,923,031.26         41300                           0              0      41300

CRITICAL PATH                  22674V100            145,563.12          4734  X                        0              0       4734
                                                  3,486,004.50        113366       X                4505              0     108861
                                             ----------------- --------------               -------------     ---------- ---------
                                                  3,631,567.62        118100                        4505              0     113595

CVS CORP                       126650100            599,375.00         10000  X                        0              0      10000
                                                    956,003.13         15950       X                   0              0      15950
                                             ----------------- --------------               -------------     ---------- ---------
                                                  1,555,378.13         25950                           0              0      25950

                                             ----------------- --------------               -------------     ---------- ---------
         SUBTOTALS FOR THIS PAGE                 25,184,258.06        650424                        4505              0     645919
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)      PAGE   12
BUSINESS DATE: 01/02/2001                                          R33.002.001

                               As of 12/31/2000


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

<TABLE>
<CAPTION>
                                                                              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>
DEERE & CO                     244199105             13,743.75           300  X                        0              0        300
                                                    196,993.75          4300       X                   0              0       4300
                                             ----------------- --------------               -------------     ---------- ---------
                                                    210,737.50          4600                           0              0       4600

DELHAIZE AMERICA INC A         246688105            206,996.81         11703       X                   0              0      11703

DELPHI.COM INC                 247153984            115,735.20        413340       X               32000              0     381340

DIAMONDCLUSTER INTENATIONAL    25278P106            109,495.00          3590  X                        0              0       3590
INC A
                                                  2,060,122.50         67545       X                   0              0      67545
                                             ----------------- --------------               -------------     ---------- ---------
                                                  2,169,617.50         71135                           0              0      71135

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

DISNEY WALT CO                 254687106          3,105,456.75        107316  X                        0              0     107316
                                                  2,385,983.76         82453       X                   0              0      82453
                                             ----------------- --------------               -------------     ---------- ---------
                                                  5,491,440.51        189769                           0              0     189769

DOMINION RESOURCES INC VA NEW  25746U109            197,851.00          2953  X                        0              0       2953
                                                    305,453.00          4559       X                   0              0       4559
                                             ----------------- --------------               -------------     ---------- ---------
                                                    503,304.00          7512                           0              0       7512

DORCHESTER HUGOTON LP          258205202            758,976.00         48000  X                        0              0      48000

DOVER CORP                     260003108            702,948.13         17330  X                        0              0      17330
                                                 28,398,901.47        700127       X                   0              0     700127
                                             ----------------- --------------               -------------     ---------- ---------
                                                 29,101,849.60        717457                           0              0     717457

DOW CHEM CO                    260543103            846,000.88         23099  X                        0              0      23099
                                                  3,775,927.64        103097       X                   0              0     103097
                                             ----------------- --------------               -------------     ---------- ---------
                                                  4,621,928.52        126196                           0              0     126196

DOW JONES & CO INC             260561105            634,200.00         11200       X                   0              0      11200

                                             ----------------- --------------               -------------     ---------- ---------
         SUBTOTALS FOR THIS PAGE                 43,874,785.64       1620912                       32000              0    1588912
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     13
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

DPL INC                        233293109             51,009.19          1537  X                        0              0       1537
                                                    881,957.81         26575       X                   0              0      26575
                                             ----------------- --------------               -------------     ---------- ----------
                                                    932,967.00         28112                           0              0      28112

DU PONT E I DE NEMOURS         263534109            877,886.44         18171  X                        0              0      18171
                                                  9,321,662.75        192945       X                   0              0     192945
                                             ----------------- --------------               -------------     ---------- ----------
                                                 10,199,549.19        211116                           0              0     211116

DUKE ENERGY CORP               264399106            291,299.25          3417  X                        0              0       3417
                                                    336,993.25          3953       X                   0              0       3953
                                             ----------------- --------------               -------------     ---------- ----------
                                                    628,292.50          7370                           0              0       7370

E M C CORP MASS                268648102         20,126,890.00        302660  X                     2200              0     300460
                                                 41,908,965.00        630210       X                   0              0     630210
                                             ----------------- --------------               -------------     ---------- ----------
                                                 62,035,855.00        932870                        2200              0     930670

EASTMAN KODAK CO               277461109              7,599.38           193  X                        0              0        193
                                                    235,580.63          5983       X                   0              0       5983
                                             ----------------- --------------               -------------     ---------- ----------
                                                    243,180.01          6176                           0              0       6176

EATON VANCE CORP NON VTG       278265103            180,600.00          5600  X                        0              0       5600
                                                    619,200.00         19200       X                   0              0      19200
                                             ----------------- --------------               -------------     ---------- ----------
                                                    799,800.00         24800                           0              0      24800

EL PASO ENERGY CORP            283905107            275,469.75          3846  X                        0              0       3846
                                                  3,634,968.75         50750       X                   0              0      50750
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,910,438.50         54596                           0              0      54596

ELAN PLC ADR                   284131208          2,581,756.27         55151  X                     1000              0      54151
                                                  6,691,331.95        142939       X                   0              0     142939
                                             ----------------- --------------               -------------     ---------- ----------
                                                  9,273,088.22        198090                        1000              0     197090

EMERSON ELEC CO                291011104          8,956,725.39        113646  X                        0              0     113646
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 96,979,895.81       1576776                        3200              0    1573576
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     14
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                                 12,876,543.93        163382       X                   0              0     163382
                                             ----------------- --------------               -------------     ---------- ----------
                                                 21,833,269.32        277028                           0              0     277028

ENRON CORP                     293561106          7,782,993.76         93630  X                     2000              0      91630
                                                  9,159,045.01        110184       X                   0              0     110184
                                             ----------------- --------------               -------------     ---------- ----------
                                                 16,942,038.77        203814                        2000              0     201814

ENSCO INTERNATIONAL INC        26874Q100            306,562.50          9000  X                        0              0       9000

EPRESENCE INC                  294348107             66,636.96         15340  X                        0              0      15340
                                                  1,470,704.64        338560       X                   0              0     338560
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,537,341.60        353900                           0              0     353900

EQUIFAX INC                    294429105             91,800.00          3200  X                        0              0       3200
                                                    305,751.38         10658       X                   0              0      10658
                                             ----------------- --------------               -------------     ---------- ----------
                                                    397,551.38         13858                           0              0      13858

EQUITY OFFICE PPTYS TR         294741103            846,651.38         25951  X                        0              0      25951
                                                  6,287,979.42        192735       X                   0              0     192735
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,134,630.80        218686                           0              0     218686

ETOYS.COM                      297862104              1,636.06          8749  X                        0              0       8749
                                                      2,805.00         15000       X                   0              0      15000
                                             ----------------- --------------               -------------     ---------- ----------
                                                      4,441.06         23749                           0              0      23749

EXCELON CORP                   300691102             24,525.00         16350       X                   0              0      16350

EXEL ENERGY INC                98389B100            274,350.00          9440       X                   0              0       9440

EXPEDITORS INTL WASH INC       302130109             64,424.40          1200  X                        0              0       1200
                                                    252,328.90          4700       X                   0              0       4700
                                             ----------------- --------------               -------------     ---------- ----------
                                                    316,753.30          5900                           0              0       5900

EXXON MOBIL CORP               30231G102         29,623,083.86        340740  X                     1000              0     339740
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 69,437,822.20       1358819                        3000              0    1355819
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     15
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                                167,042,582.19       1921410       X                1550              0    1919860
                                             ----------------- --------------               -------------     ---------- ----------
                                                196,665,666.05       2262150                        2550              0    2259600

FEDERAL NATL MTG ASSN          313586109          1,061,733.25         12239  X                        0              0      12239
                                                  1,977,119.25         22791       X                   0              0      22791
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,038,852.50         35030                           0              0      35030

FEDERAL RLTY INVT TR           313747206            190,000.00         10000       X                   0              0      10000

FIDUCIARY CO INC               316476902            614,182.50          8425  X                        0              0       8425
                                                    227,812.50          3125       X                   0              0       3125
                                             ----------------- --------------               -------------     ---------- ----------
                                                    841,995.00         11550                           0              0      11550

FIFTH THIRD BANCORP            316773100            226,691.50          3794  X                        0              0       3794

FIRST UNION CORP               337358105             35,766.88          1286  X                        0              0       1286
                                                    410,957.51         14776       X                   0              0      14776
                                             ----------------- --------------               -------------     ---------- ----------
                                                    446,724.39         16062                           0              0      16062

FIRST WASHINGTON REALTY TRUST  337489504            317,493.75         12300       X                   0              0      12300

FIRSTAR CORP NEW WIS           33763V109          3,453,206.25        148525       X                   0              0     148525

FLEETBOSTON FINANCIAL CORP     339030108          2,607,663.89         69422  X                        0              0      69422
                                                 11,446,721.16        304738       X                   0              0     304738
                                             ----------------- --------------               -------------     ---------- ----------
                                                 14,054,385.05        374160                           0              0     374160

FLEXTRONICS INTL LTD           Y2573F102          6,087,571.50        213599       X                   0              0     213599

FOREST LABS INC                345838106            211,537.00          1592       X                   0              0       1592

FPL GROUP INC                  302571104            100,450.00          1400  X                        0              0       1400
                                                    643,238.75          8965       X                   0              0       8965
                                             ----------------- --------------               -------------     ---------- ----------
                                                    743,688.75         10365                           0              0      10365

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                196,654,727.88       2758387                        1550              0    2756837
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     16
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

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            384,681.25          6100  X                        0              0       6100
                                                    527,707.01          8368       X                   0              0       8368
                                             ----------------- --------------               -------------     ---------- ----------
                                                    912,388.26         14468                           0              0      14468

GENERAL ELEC CO                369604103         37,440,290.15        781023  X                     4600              0     776423
                                                207,569,087.68       4329994       X                   0              0    4329994
                                             ----------------- --------------               -------------     ---------- ----------
                                                245,009,377.83       5111017                        4600              0    5106417

GENERAL MLS INC                370334104          1,070,213.00         24016  X                        0              0      24016
                                                  5,910,057.01        132624       X                   0              0     132624
                                             ----------------- --------------               -------------     ---------- ----------
                                                  6,980,270.01        156640                           0              0     156640

GENERAL MTRS CORP NEW H        370442832            650,854.00         28298  X                        0              0      28298

GENRAD INC                     372447102             33,000.00          3300  X                        0              0       3300
                                                    636,000.00         63600       X                   0              0      63600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    669,000.00         66900                           0              0      66900

GENUITY                        37248E103             65,806.00         13000       X                   0              0      13000

GENZYME CORP                   372917104          4,009,661.30         44583  X                     1000              0      43583
                                                 25,745,005.92        286256       X                   0              0     286256
                                             ----------------- --------------               -------------     ---------- ----------
                                                 29,754,667.22        330839                        1000              0     329839

GENZYME CORP - BIOSURGERY      372917708              6,002.72           691  X                        0              0        691
DIVISION
                                                    281,033.22         32351       X                   0              0      32351
                                             ----------------- --------------               -------------     ---------- ----------
                                                    287,035.94         33042                           0              0      33042


                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                284,405,727.26       5916604                        5600              0    5911004
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     17
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

GENZYME CORP MOLECULAR         372917500            341,113.32         37130  X                        0              0      37130
ONCOLOGY DIV
                                                  1,249,119.64        135966       X                   0              0     135966
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,590,232.96        173096                           0              0     173096

GEOPETRO COMPANY               373160993            178,500.00        357000       X                   0              0     357000

GEORGIA PAC CORP               373298108             34,362.00          1104  X                        0              0       1104
                                                    390,245.25         12538       X                   0              0      12538
                                             ----------------- --------------               -------------     ---------- ----------
                                                    424,607.25         13642                           0              0      13642

GEORGIA PAC CORP-TIMBER GRP    373298702             24,458.94           817  X                        0              0        817
                                                    202,646.94          6769       X                   0              0       6769
                                             ----------------- --------------               -------------     ---------- ----------
                                                    227,105.88          7586                           0              0       7586

GILLETTE CO                    375766102          3,043,242.25         84242  X                        0              0      84242
                                                 14,440,174.00        399728       X                   0              0     399728
                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,483,416.25        483970                           0              0     483970

GLOBALSTAR TELECOM             G3930H104             45,300.00         50000       X                   0              0      50000

GOLDMAN SACHS GROUP            38141G104          1,430,289.07         13375  X                        0              0      13375
                                                  1,144,231.25         10700       X                   0              0      10700
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,574,520.32         24075                           0              0      24075

GREAT LAKES CHEM CORP          390568103            119,000.00          3200  X                        0              0       3200
                                                    646,579.06         17387       X                   0              0      17387
                                             ----------------- --------------               -------------     ---------- ----------
                                                    765,579.06         20587                           0              0      20587

GREEN POWER ASIA LTD           393400999                  0.00        314375       X                   0              0     314375

GSI LUMONICS                   36229U102            235,560.00         29445       X                   0              0      29445

HALLIBURTON CO                 406216101            187,340.00          5168  X                        0              0       5168
                                                    497,350.00         13720       X                   0              0      13720
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 24,209,511.72       1492664                           0              0    1492664
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     18
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    684,690.00         18888                           0              0      18888

HARCOURT GEN INC               41163G101            726,440.00         12700  X                        0              0      12700

HARDING ENERGY INC             411699911            208,000.00           832       X                   0              0        832

HARTFORD FINL SVCS GROUP       416515104            471,775.00          6680  X                        0              0       6680
                                                    640,286.25          9066       X                   0              0       9066
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,112,061.25         15746                           0              0      15746

HEINZ H J CO                   423074103            405,543.20          8549  X                        0              0       8549
                                                    205,594.13          4334       X                   0              0       4334
                                             ----------------- --------------               -------------     ---------- ----------
                                                    611,137.33         12883                           0              0      12883

HELIX TECHNOLOGY CORP          423319102             23,672.00          1000  X                        0              0       1000
                                                    298,267.20         12600       X                   0              0      12600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    321,939.20         13600                           0              0      13600

HELMERICH & PAYNE INC          423452101            171,112.50          3900  X                        0              0       3900
                                                     70,200.00          1600       X                   0              0       1600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    241,312.50          5500                           0              0       5500

HERSHEY FOODS CORP             427866108            515,000.00          8000  X                        0              0       8000

HEWLETT PACKARD CO             428236103          2,858,678.76         90572  X                        0              0      90572
                                                 29,820,755.07        944816       X                   0              0     944816
                                             ----------------- --------------               -------------     ---------- ----------
                                                 32,679,433.83       1035388                           0              0    1035388

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

HOME DEPOT INC                 437076102         10,476,692.24        229312  X                      600              0     228712
                                                 53,685,919.80       1175068       X                   0              0    1175068
                                             ----------------- --------------               -------------     ---------- ----------
                                                 64,162,612.04       1404380                         600              0    1403780

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                100,792,865.15       2512929                         600              0    2512329
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE     19
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

HONEYWELL INTL INC             438516106            106,642.38          2254  X                        0              0       2254
                                                    283,685.75          5996       X                   0              0       5996
                                             ----------------- --------------               -------------     ---------- ----------
                                                    390,328.13          8250                           0              0       8250

HOUGHTON MIFFLIN CO            441560109          2,318,750.00         50000       X                   0              0      50000

HOUSEHOLD INTL INC             441815107            288,750.00          5250  X                        0              0       5250

HUBBELL INC B                  443510201             39,750.00          1500  X                        0              0       1500
                                                  1,151,133.50         43439       X                   0              0      43439
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,190,883.50         44939                           0              0      44939

I2 TECHNOLOGIES INC            465754109          5,437,500.00        100000       X                   0              0     100000

IBM CORP                       459200101          6,597,615.00         77619  X                        0              0      77619
                                                 43,587,915.00        512799       X                   0              0     512799
                                             ----------------- --------------               -------------     ---------- ----------
                                                 50,185,530.00        590418                           0              0     590418

ILLINOIS GAS CO                4520459A7            800,000.00           400  X                        0              0        400
                                                  1,200,000.00           600       X                   0              0        600
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,000,000.00          1000                           0              0       1000

ILLINOIS TOOL WKS INC          452308109            327,593.75          5500  X                        0              0       5500
                                                    155,875.06          2617       X                   0              0       2617
                                             ----------------- --------------               -------------     ---------- ----------
                                                    483,468.81          8117                           0              0       8117

IMS HEALTH INCORPORATED        449934108            521,100.00         19300  X                        0              0      19300
                                                  2,984,229.00        110527       X                   0              0     110527
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,505,329.00        129827                           0              0     129827

INFORMATION MAPPING INC        4567099A4                  0.00         28667       X                   0              0      28667

INTEL CORP                     458140100         15,766,316.51        524460  X                     1000              0     523460
                                                 55,746,010.82       1854368       X                   0              0    1854368

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                137,312,866.77       3345296                        1000              0    3344296
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE     20
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 71,512,327.33       2378828                        1000              0    2377828

INTERNATIONAL PAPER C0         460146103             59,341.38          1454  X                        0              0       1454
                                                    962,644.45         23587       X                   0              0      23587
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,021,985.83         25041                           0              0      25041

INTERPUBLIC GROUP COS          460690100          4,301,408.88        101061  X                        0              0     101061
                                                 36,029,539.41        846509       X                   0              0     846509
                                             ----------------- --------------               -------------     ---------- ----------
                                                 40,330,948.29        947570                           0              0     947570

INVESTORS FINL SVCS            461915100             34,056.00           396  X                        0              0        396
                                                  4,730,000.00         55000       X                   0              0      55000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,764,056.00         55396                           0              0      55396

IPALCO ENTERPRISES INC         462613100            247,583.25         10236       X                   0              0      10236

ISOMET CORP                    464893106            190,000.00         10000  X                        0              0      10000

JDS UNIPHASE CORP              46612J101             77,120.95          1850  X                        0              0       1850
                                                    775,378.20         18600       X                   0              0      18600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    852,499.15         20450                           0              0      20450

JEFFERSON PILOT CORP           475070108            149,500.00          2000  X                        0              0       2000
                                                    661,537.50          8850       X                   0              0       8850
                                             ----------------- --------------               -------------     ---------- ----------
                                                    811,037.50         10850                           0              0      10850

JOHN HANCOCK FINANCIAL         41014S106             41,500.38          1103  X                        0              0       1103
SERVICES INC
                                                    964,516.92         25635       X                   0              0      25635
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,006,017.30         26738                           0              0      26738

JOHNSON & JOHNSON              478160104          6,666,530.86         63453  X                        0              0      63453
                                                 28,308,040.10        269440       X                   0              0     269440

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 84,198,698.28       1439174                           0              0    1439174
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE     21
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 34,974,570.96        332893                           0              0     332893

JOHNSON CTLS INC               478366107            243,984.00          4692       X                   0              0       4692

KEYCORP NEW                    493267108             76,384.00          2728  X                        0              0       2728
                                                    136,640.00          4880       X                   0              0       4880
                                             ----------------- --------------               -------------     ---------- ----------
                                                    213,024.00          7608                           0              0       7608

KIMBERLY CLARK CORP            494368103            347,794.80          4920  X                        0              0       4920
                                                  5,603,242.85         79265       X                   0              0      79265
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,951,037.65         84185                           0              0      84185

KINNEY OIL CO                  496625997                  0.00         29904       X                   0              0      29904

KLA-TENCOR CORP                482480100          4,309,645.28        127932  X                        0              0     127932

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

LILLY ELI & CO                 532457108          3,051,519.39         32790  X                        0              0      32790
                                                  9,100,395.75         97788       X                   0              0      97788
                                             ----------------- --------------               -------------     ---------- ----------
                                                 12,151,915.14        130578                           0              0     130578

LINCOLN NATL CORP IND          534187109            283,875.00          6000       X                   0              0       6000

LINEAR TECHNOLOGY CORP         535678106          7,130,871.25        154181  X                      300              0     153881
                                                 42,159,788.75        911563       X                   0              0     911563
                                             ----------------- --------------               -------------     ---------- ----------
                                                 49,290,660.00       1065744                         300              0    1065444

LUCENT TECHNOLOGIES INC        549463107            894,591.00         66266  X                        0              0      66266
                                                  3,484,836.00        258136       X                   0              0     258136
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,379,427.00        324402                           0              0     324402

M & T BANK CORP                55261F104            926,840.00         13630  X                        0              0      13630

MANPOWER INC                   56418H100            456,000.00         12000  X                        0              0      12000
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 78,342,716.82       1988420                         300              0    1988120
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE     22
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------


MARSH & MCLENNAN COS           571748102          1,199,367.00         10251  X                        0              0      10251
                                                  1,083,654.00          9262       X                   0              0       9262
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,283,021.00         19513                           0              0      19513

MASCO CORP                     574599106             89,187.00          3472  X                        0              0       3472
                                                 12,387,771.23        482249       X                   0              0     482249
                                             ----------------- --------------               -------------     ---------- ----------
                                                 12,476,958.23        485721                           0              0     485721

MATRITECH INC                  576818108            307,050.00         75000       X                   0              0      75000

MAXIM INTERGRATED PRODUCTS INC 57772K101            784,116.80         16400  X                        0              0      16400

MAY DEPT STORES CO             577778103            501,730.00         15320  X                        0              0      15320

MBIA INC                       55262C100            209,773.75          2830  X                        0              0       2830
                                                 10,256,379.76        138366       X                   0              0     138366
                                             ----------------- --------------               -------------     ---------- ----------
                                                 10,466,153.51        141196                           0              0     141196

MBNA CORP                      55262L100            409,267.50         11080  X                        0              0      11080
                                                    123,925.31          3355       X                   0              0       3355
                                             ----------------- --------------               -------------     ---------- ----------
                                                    533,192.81         14435                           0              0      14435

MCDONALDS CORP                 580135101          3,355,800.00         98700  X                        0              0      98700
                                                  2,459,696.00         72344       X                   0              0      72344
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,815,496.00        171044                           0              0     171044

MCGRAW HILL COS INC            580645109            111,387.50          1900  X                        0              0       1900
                                                    412,720.00          7040       X                   0              0       7040
                                             ----------------- --------------               -------------     ---------- ----------
                                                    524,107.50          8940                           0              0       8940

MEDTRONIC INC                  585055106          7,927,962.01        131312  X                     3000              0     128312
                                                 11,888,441.25        196910       X                   0              0     196910


                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 53,508,229.11       1275791                        3000              0    1272791
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE     23
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 19,816,403.26        328222                        3000              0     325222

MELLON FINANCIAL CORP          58551A108             39,350.00           800  X                        0              0        800
                                                    708,300.00         14400       X                   0              0      14400
                                             ----------------- --------------               -------------     ---------- ----------
                                                    747,650.00         15200                           0              0      15200

MERCK & CO INC                 589331107         94,395,908.32       1008234  X                        0              0    1008234
                                                220,898,169.71       2359393       X                   0              0    2359393
                                             ----------------- --------------               -------------     ---------- ----------
                                                315,294,078.03       3367627                           0              0    3367627

MERIDIAN MEDICAL TECHNOLOGIES  589658103            213,587.00         19417  X                        0              0      19417

MERRILL LYNCH & CO             590188108            218,200.00          3200  X                        0              0       3200
                                                     40,912.50           600       X                   0              0        600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    259,112.50          3800                           0              0       3800

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

META GROUP INC                 591002100             72,800.00         11200       X                   0              0      11200

MGI PPTYS                      552885105            314,832.38        132561       X                   0              0     132561

MICROSOFT CORP                 594918104          4,025,330.14         92803  X                        0              0      92803
                                                 21,129,914.40        487145       X                   0              0     487145
                                             ----------------- --------------               -------------     ---------- ----------
                                                 25,155,244.54        579948                           0              0     579948

MILLIPORE CORP                 601073109              9,450.00           150  X                        0              0        150
                                                 10,872,666.00        172582       X                   0              0     172582
                                             ----------------- --------------               -------------     ---------- ----------
                                                 10,882,116.00        172732                           0              0     172732

MINNESOTA MNG & MFG CO         604059105          2,954,178.00         24516  X                        0              0      24516
                                                 27,549,192.00        228624       X                   0              0     228624
                                             ----------------- --------------               -------------     ---------- ----------
                                                 30,503,370.00        253140                           0              0     253140

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                383,449,152.25       4619243                           0              0    4619243
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM   EQUITIES DISCLOSURE (13-F)      PAGE     24
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

MOLDFLOW CORPORATION           608507109            148,687.50          6500  X                        0              0       6500
                                                    446,062.50         19500       X                   0              0      19500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    594,750.00         26000                           0              0      26000

MOODYS INVESTORS SERVICES      615369105            356,465.44         13877       X                   0              0      13877

MORGAN J P & CO INC            616880100          2,692,685.00         16270  X                        0              0      16270
                                                  5,986,466.00         36172       X                   0              0      36172
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,679,151.00         52442                           0              0      52442

MORGAN STANLEY DEAN WITTER     617446448            263,744.00          3328  X                        0              0       3328
                                                    225,387.00          2844       X                   0              0       2844
                                             ----------------- --------------               -------------     ---------- ----------
                                                    489,131.00          6172                           0              0       6172

MOTOROLA INC                   620076109            662,721.75         32727  X                        0              0      32727
                                                  6,978,251.25        344605       X                   0              0     344605
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,640,973.00        377332                           0              0     377332

MYLAN LABS INC                 628530107             24,028.88           954  X                        0              0        954
                                                    376,527.94         14949       X                   0              0      14949
                                             ----------------- --------------               -------------     ---------- ----------
                                                    400,556.82         15903                           0              0      15903

NATIONAL CITY CORP             635405103            258,520.00          8992       X                   0              0       8992

NETWORK APPLIANCE INC          64120L104              3,209.35            50  X                        0              0         50
                                                  1,925,610.00         30000       X                   0              0      30000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,928,819.35         30050                           0              0      30050

NEW ENGLAND BUSINESS SVC       643872104            328,500.00         18000       X                   0              0      18000

NEW YORK TIMES CO CL A         650111107          2,346,701.00         58576  X                        0              0      58576
                                                     96,150.00          2400       X                   0              0       2400
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,442,851.00         60976                           0              0      60976

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 23,119,717.61        609744                           0              0     609744
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     25
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

NORDSTROM INC                  655664100            432,862.50         23800       X                   0              0      23800

NORTHERN TR CORP               665859104            725,901.80          8900  X                        0              0       8900
                                                  3,409,291.60         41800       X                   0              0      41800
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,135,193.40         50700                           0              0      50700

NOVEN PHARMACEUTICALS          670009109             18,687.50           500  X                        0              0        500
                                                  2,468,618.76         66050       X                   0              0      66050
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,487,306.26         66550                           0              0      66550

O REILLY AUTOMOTIVE INC        686091109            321,000.00         12000  X                        0              0      12000
                                                    267,500.00         10000       X                   0              0      10000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    588,500.00         22000                           0              0      22000

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

OMNICOM GROUP INC              681919106            198,900.00          2400  X                        0              0       2400
                                                    135,417.75          1634       X                   0              0       1634
                                             ----------------- --------------               -------------     ---------- ----------
                                                    334,317.75          4034                           0              0       4034

ORACLE CORP                    68389X105            898,190.17         30906  X                        0              0      30906
                                                    558,804.14         19228       X                   0              0      19228
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,456,994.31         50134                           0              0      50134

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

PAN PACIFIC RETAIL PROPERTIES  69806L104            325,093.13         14570       X                   0              0      14570
INC

PANERA BREAD CO                69840W108             34,218.00          1500  X                        0              0       1500
                                                    260,741.16         11430       X                   0              0      11430
                                             ----------------- --------------               -------------     ---------- ----------
                                                    294,959.16         12930                           0              0      12930

PARAMETRIC TECHNOLOGY CRP      699173100            190,106.68         14148  X                        0              0      14148
                                                  1,427,708.12        106252       X                   0              0     106252
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 18,009,187.31        628549                           0              0     628549
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     26
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,617,814.80        120400                           0              0     120400

PAYCHEX INC                    704326107         17,682,675.89        363654  X                     5000              0     358654
                                                104,577,982.59       2150704       X                   0              0    2150704
                                             ----------------- --------------               -------------     ---------- ----------
                                                122,260,658.48       2514358                        5000              0    2509358

PEPSICO INC                    713448108          3,238,909.38         65350  X                        0              0      65350
                                                  4,129,894.49         83327       X                   0              0      83327
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,368,803.87        148677                           0              0     148677

PFIZER INC                     717081103         22,226,694.00        483189  X                     1000              0     482189
                                                 66,400,080.00       1443480       X                   0              0    1443480
                                             ----------------- --------------               -------------     ---------- ----------
                                                 88,626,774.00       1926669                        1000              0    1925669

PHARMACIA CORP                 71713U102          4,018,985.00         65885  X                        0              0      65885
                                                  9,856,197.00        161577       X                   0              0     161577
                                             ----------------- --------------               -------------     ---------- ----------
                                                 13,875,182.00        227462                           0              0     227462

PHILIP MORRIS COS INC          718154107          1,277,892.00         29043       X                   0              0      29043

PHILLIPS PETE CO               718507106             62,562.50          1100  X                        0              0       1100
                                                    394,257.50          6932       X                   0              0       6932
                                             ----------------- --------------               -------------     ---------- ----------
                                                    456,820.00          8032                           0              0       8032

PHOTOSCAPE ASSOCIATES          7193469A8                  0.00         10000       X                   0              0      10000

PITNEY BOWES INC               724479100             89,437.50          2700  X                        0              0       2700
                                                  2,621,214.38         79131       X                   0              0      79131
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,710,651.88         81831                           0              0      81831

PNC FINANCIAL SERVICES GROUP   693475105            175,350.00          2400  X                        0              0       2400
                                                  1,472,209.38         20150       X                   0              0      20150


                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                238,224,341.61       4968622                        6000              0    4962622
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     27
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,647,559.38         22550                           0              0      22550

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            707,550.00         21200  X                        0              0      21200
                                                    857,737.50         25700       X                   0              0      25700
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,565,287.50         46900                           0              0      46900

POTOMAC ELEC PWR CO            737679100            504,084.00         20400       X                   0              0      20400

PPG INDS INC                   693506107            189,881.25          4100  X                        0              0       4100
                                                     37,050.00           800       X                   0              0        800
                                             ----------------- --------------               -------------     ---------- ----------
                                                    226,931.25          4900                           0              0       4900

PRIAM CORP                     741400105                  0.00         26550  X                        0              0      26550

PROCTER & GAMBLE CO            742718109         17,987,209.12        229319  X                        0              0     229319
                                                 54,593,284.51        696010       X                   0              0     696010
                                             ----------------- --------------               -------------     ---------- ----------
                                                 72,580,493.63        925329                           0              0     925329

PROGRESS ENERGY INC            743263105            174,468.06          3547  X                        0              0       3547
                                                  2,670,881.26         54300       X                   0              0      54300
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,845,349.32         57847                           0              0      57847

PROGRESSIVE CORP OHIO          743315103          2,777,253.63         26801       X                   0              0      26801

PROVIDIAN FINL CORP            74406A102            464,255.00          8074  X                        0              0       8074
                                                  3,109,140.00         54072       X                   0              0      54072
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,573,395.00         62146                           0              0      62146

PULITZER INC                   745769109            234,250.00          5000       X                   0              0       5000

PUMA TECHNOLOGY INC            745887109            320,951.26         77226  X                        0              0      77226
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 84,939,636.59       1452240                           0              0    1452240
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     28
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                                  4,242,237.00       1020750       X                   0              0    1020750
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,563,188.26       1097976                           0              0    1097976

QUAKER OATS CO                 747402105            233,700.00          2400  X                        0              0       2400
                                                    155,800.00          1600       X                   0              0       1600
                                             ----------------- --------------               -------------     ---------- ----------
                                                    389,500.00          4000                           0              0       4000

QUALCOMM INC                   747525103            472,575.25          5750  X                        0              0       5750
                                                    164,374.00          2000       X                   0              0       2000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    636,949.25          7750                           0              0       7750

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            251,244.00         12000       X                   0              0      12000

QWEST COMMUNICATIONS INTL INC  749121109          3,650,382.79         89306  X                        0              0      89306
                                                 16,224,268.53        396924       X                   0              0     396924
                                             ----------------- --------------               -------------     ---------- ----------
                                                 19,874,651.32        486230                           0              0     486230

R & B FALCON CORP              74912E101            337,181.25         14700  X                        0              0      14700
                                                    533,893.25         23276       X                   0              0      23276
                                             ----------------- --------------               -------------     ---------- ----------
                                                    871,074.50         37976                           0              0      37976

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

RAVINE BEECH CO INC            753865997          4,612,515.04         12887       X                   0              0      12887

RAYTHEON CO B                  755111408          6,725,838.89        216526  X                        0              0     216526
                                                  2,349,878.14         75650       X                   0              0      75650
                                             ----------------- --------------               -------------     ---------- ----------
                                                  9,075,717.03        292176                           0              0     292176

REED & BARTON CORP             758140909         17,016,679.80          9402  X                        0              0       9402
                                                  1,044,312.30           577       X                   0              0        577
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 58,463,405.19       2010295                           0              0    2010295
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     29
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 18,060,992.10          9979                           0              0       9979

RELIANT ENERGY INC             75952J108            213,790.51          4936       X                   0              0       4936

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

ROUSE CO                       779273101            242,250.00          9500       X                   0              0       9500

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

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

SANMINA CORP                   800907107            580,817.50          7580  X                        0              0       7580
                                                    214,550.00          2800       X                   0              0       2800
                                             ----------------- --------------               -------------     ---------- ----------
                                                    795,367.50         10380                           0              0      10380

SAPIENT CORP                   803062108             97,883.40          8200  X                        0              0       8200
                                                    475,092.60         39800       X                   0              0      39800
                                             ----------------- --------------               -------------     ---------- ----------
                                                    572,976.00         48000                           0              0      48000

SARA LEE CORP                  803111103            525,637.50         21400  X                        0              0      21400
                                                    512,128.13         20850       X                   0              0      20850
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,037,765.63         42250                           0              0      42250

SBC COMMUNICATIONS INC         78387G103          3,054,376.50         63966  X                        0              0      63966
                                                  5,522,908.25        115663       X                   0              0     115663
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,577,284.75        179629                           0              0     179629

SCHERING PLOUGH CORP           806605101          9,851,346.00        173592  X                        0              0     173592
                                                 10,115,347.00        178244       X                   0              0     178244
                                             ----------------- --------------               -------------     ---------- ----------
                                                 19,966,693.00        351836                           0              0     351836

SCHLUMBERGER LTD               806857108          2,446,567.19         30606  X                        0              0      30606
                                                  9,219,511.68        115334       X                   0              0     115334

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 43,977,897.46        822861                           0              0     822861
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM     EQUITIES DISCLOSURE (13-F)    PAGE     30
BUSINESS DATE: 01/02/2001                                         R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 11,666,078.87        145940                           0              0     145940

SCHOLASTIC CORP                807066105            310,187.50          3500       X                   0              0       3500

SCHWAB CHARLES CORP            808513105            510,750.00         18000  X                        0              0      18000
                                                      4,256.25           150       X                   0              0        150
                                             ----------------- --------------               -------------     ---------- ----------
                                                    515,006.25         18150                           0              0      18150

SEALED AIR CORP NEW            81211K100            195,200.00          6400  X                        0              0       6400
                                                  6,834,379.00        224078       X                   0              0     224078
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,029,579.00        230478                           0              0     230478

SHERWIN WILLIAMS CO            824348106            299,962.50         11400  X                        0              0      11400
                                                  5,841,796.02        222016       X                   0              0     222016
                                             ----------------- --------------               -------------     ---------- ----------
                                                  6,141,758.52        233416                           0              0     233416

SKLAR CORP                     8306299A1                  0.00         10000       X                   0              0      10000

SONAMED CORP                   8354099C9          1,504,000.00        376000       X                   0              0     376000

SONUS NETWORKS                 835916107          1,262,500.00         50000       X                   0              0      50000

SOUTHERN CO                    842587107             89,110.00          2680  X                        0              0       2680
                                                    208,610.50          6274       X                   0              0       6274
                                             ----------------- --------------               -------------     ---------- ----------
                                                    297,720.50          8954                           0              0       8954

SPRINT CORP FON GROUP          852061100         38,736,810.97       1907043  X                        0              0    1907043
                                                  3,643,575.05        179376       X                   0              0     179376
                                             ----------------- --------------               -------------     ---------- ----------
                                                 42,380,386.02       2086419                           0              0    2086419

SPRINT CORP PCS SER 1          852061506         15,275,314.51        747416  X                        0              0     747416
                                                  2,142,074.87        104811       X                   0              0     104811
                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,417,389.38        852227                           0              0     852227

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 76,858,527.17       3869144                           0              0    3869144
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     31
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

ST PAUL COS INC                792860108          1,072,346.00         19744       X                   0              0      19744

STAPLES INC                    855030102          1,766,720.84        149570  X                        0              0     149570
                                                 11,436,024.03        968170       X                7000              0     961170
                                             ----------------- --------------               -------------     ---------- ----------
                                                 13,202,744.87       1117740                        7000              0    1110740

STATE STREET CORP              857477103          7,450,985.27         59987  X                        0              0      59987
                                                 51,261,963.84        412704       X                   0              0     412704
                                             ----------------- --------------               -------------     ---------- ----------
                                                 58,712,949.11        472691                           0              0     472691

STRYKER CORP                   863667101            910,620.00         18000  X                        0              0      18000
                                                    951,092.00         18800       X                   0              0      18800
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,861,712.00         36800                           0              0      36800

SUMMIT BANCORP                 866005101             61,100.00          1600  X                        0              0       1600
                                                    971,871.88         25450       X                   0              0      25450
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,032,971.88         27050                           0              0      27050

SUN LIFE FINANCIAL             866796105            378,048.39         14199       X                   0              0      14199

SUN MICROSYSTEMS INC           866810104            157,493.75          5650  X                        0              0       5650
                                                    943,345.75         33842       X                   0              0      33842
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,100,839.50         39492                           0              0      39492

SUNTRUST BKS INC               867914103            201,600.00          3200  X                        0              0       3200
                                                 14,645,295.00        232465       X                   0              0     232465
                                             ----------------- --------------               -------------     ---------- ----------
                                                 14,846,895.00        235665                           0              0     235665

SYSCO CORP                     871829107          4,842,900.00        161430  X                     3200              0     158230
                                                 10,948,920.00        364964       X                   0              0     364964
                                             ----------------- --------------               -------------     ---------- ----------
                                                 15,791,820.00        526394                        3200              0     523194

TARGET CORP                    87612E106            219,300.00          6800  X                        0              0       6800
                                                    261,225.00          8100       X                   0              0       8100
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                108,480,851.75       2504675                       10200              0    2494475
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     32
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    480,525.00         14900                           0              0      14900

TBM HOLDINGS INC               872197108             55,000.00         10000       X                   0              0      10000

TECO ENERGY INC                872375100            208,041.76          6426  X                        0              0       6426
                                                  1,861,659.64         57503       X                   0              0      57503
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,069,701.40         63929                           0              0      63929

TEKTRONIX INC                  879131100             97,559.00          2896  X                        0              0       2896
                                                  5,286,006.70        156913       X                   0              0     156913
                                             ----------------- --------------               -------------     ---------- ----------
                                                  5,383,565.70        159809                           0              0     159809

TELEFONICA DE ESPANA S A ADR   879382208            150,000.00          3000  X                        0              0       3000
                                                    379,550.00          7591       X                   0              0       7591
                                             ----------------- --------------               -------------     ---------- ----------
                                                    529,550.00         10591                           0              0      10591

TELLABS INC                    879664100             16,950.00           300  X                        0              0        300
                                                  2,260,000.00         40000       X                   0              0      40000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,276,950.00         40300                           0              0      40300

TEMPLE INLAND INC              879868107            299,120.25          5578       X                   0              0       5578

TERADYNE INC                   880770102          2,349,432.00         63072       X                   0              0      63072

TERRA NETWORKS                 88100W103             36,333.28          3440  X                        0              0       3440
                                                    204,274.89         19341       X                   0              0      19341
                                             ----------------- --------------               -------------     ---------- ----------
                                                    240,608.17         22781                           0              0      22781

TEXACO INC                     881694103            247,568.13          3985  X                        0              0       3985
                                                  5,965,801.64         96029       X                   0              0      96029
                                             ----------------- --------------               -------------     ---------- ----------
                                                  6,213,369.77        100014                           0              0     100014

TEXAS INSTRS INC               882508104          1,663,431.00         35112  X                        0              0      35112
                                                  7,548,400.88        159333       X                   0              0     159333
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 28,629,129.17        670519                           0              0     670519
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     33
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                  9,211,831.88        194445                           0              0     194445

THERMO ELECTRON CORP           883556102            986,956.25         33175  X                     2000              0      31175
                                                  1,510,467.00         50772       X                   0              0      50772
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,497,423.25         83947                        2000              0      81947

TIER TECHNOLOGIES B            88650Q100            216,333.48         38040  X                        0              0      38040
                                                  1,074,843.00        189000       X                   0              0     189000
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,291,176.48        227040                           0              0     227040

TIFFANY & CO                   886547108            812,762.50         25700  X                        0              0      25700
                                                  8,182,968.75        258750       X                   0              0     258750
                                             ----------------- --------------               -------------     ---------- ----------
                                                  8,995,731.25        284450                           0              0     284450

TIME WARNER INC                887315109          2,214,714.80         42395  X                      500              0      41895
                                                  9,074,714.88        173712       X                   0              0     173712
                                             ----------------- --------------               -------------     ---------- ----------
                                                 11,289,429.68        216107                         500              0     215607

TJX COMPANIES INC NEW          872540109             77,700.00          2800  X                        0              0       2800
                                                    582,750.00         21000       X                   0              0      21000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    660,450.00         23800                           0              0      23800

TRANSFUSION TECHNOLOGIES       893650994            151,200.00         16800       X                   0              0      16800

TRANSOCEAN SEDCO FOREX INC     G90078109             45,770.00           995  X                        0              0        995
                                                    279,220.00          6070       X                   0              0       6070
                                             ----------------- --------------               -------------     ---------- ----------
                                                    324,990.00          7065                           0              0       7065

TRIBUNE CO                     896047107            904,150.00         21400  X                        0              0      21400
                                                 92,547,484.25       2190473       X                   0              0    2190473
                                             ----------------- --------------               -------------     ---------- ----------
                                                 93,451,634.25       2211873                           0              0    2211873

TRW INC                        872649108            467,828.75         12073  X                        0              0      12073
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                119,129,863.66       3083155                        2500              0    3080655
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     34
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                                  1,708,216.25         44083       X                   0              0      44083
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,176,045.00         56156                           0              0      56156

TXU CORP                       873168108            498,427.00         11248       X                   0              0      11248

TYCO INTL LTD NEW              902124106          5,184,088.50         93407  X                     1000              0      92407
                                                106,883,898.00       1925836       X                   0              0    1925836
                                             ----------------- --------------               -------------     ---------- ----------
                                                112,067,986.50       2019243                        1000              0    2018243

UNION PAC CORP                 907818108            645,946.00         12728       X                   0              0      12728

UNITED PARCEL SERVICE CLASS A  911308104         37,221,373.92        649446       X                   0              0     649446

UNITED PARCEL SERVICE CLASS B  911312106          5,492,537.50         93490  X                     1000              0      92490
                                                 64,417,671.25       1096471       X                   0              0    1096471
                                             ----------------- --------------               -------------     ---------- ----------
                                                 69,910,208.75       1189961                        1000              0    1188961

UNITED TECHNOLOGIES CORP       913017109          5,888,383.52         74892  X                     1000              0      73892
                                                 41,361,546.14        526061       X                   0              0     526061
                                             ----------------- --------------               -------------     ---------- ----------
                                                 47,249,929.66        600953                        1000              0     599953

UNOCAL CORP                    915289102            397,707.51         10280       X                   0              0      10280

US BANCORP DEL                 902973106            367,383.07         12587  X                        0              0      12587
                                                  1,772,381.76         60724       X                   0              0      60724
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,139,764.83         73311                           0              0      73311

USX-MARATHON GROUP             902905827             38,850.00          1400  X                        0              0       1400
                                                    946,968.75         34125       X                   0              0      34125
                                             ----------------- --------------               -------------     ---------- ----------
                                                    985,818.75         35525                           0              0      35525

VA LINUX SYSTEMS               91819B105            108,184.39         13315       X                3991              0       9324

VALSPAR CORP                   920355104            205,952.00          6400  X                        0              0       6400

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                273,139,515.56       4666493                        6991              0    4659502
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     35
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

VARIAN INC                     922206107            619,912.50         18300       X                   0              0      18300

VARIAN MEDICAL SYSTEMS INC     92220P105            407,625.00          6000  X                        0              0       6000
                                                  2,612,876.25         38460       X                   0              0      38460
                                             ----------------- --------------               -------------     ---------- ----------
                                                  3,020,501.25         44460                           0              0      44460

VARIAN SEMICONDUCTOR EQUIPMENT 922207105            531,050.00         22360       X                   0              0      22360
ASSOC INC

VECTRIX CORPORATION            9224RM9A9                  0.00         62963  X                        0              0      62963

VERITAS SOFTWARE CORP          923436109          1,706,250.00         19500       X                   0              0      19500

VERIZON COMMUNICATIONS INC     92343V104          2,093,520.76         41766  X                        0              0      41766
                                                 15,055,915.73        300367       X                   0              0     300367
                                             ----------------- --------------               -------------     ---------- ----------
                                                 17,149,436.49        342133                           0              0     342133

VERTEX PHARMACEUTICALS         92532F100          2,522,162.50         35275  X                        0              0      35275
                                                 30,890,788.50        432039       X                   0              0     432039
                                             ----------------- --------------               -------------     ---------- ----------
                                                 33,412,951.00        467314                           0              0     467314

VIACOM INC CL B                925524308          6,957,288.25        148819  X                     1000              0     147819
                                                 13,417,811.00        287012       X                   0              0     287012
                                             ----------------- --------------               -------------     ---------- ----------
                                                 20,375,099.25        435831                        1000              0     434831

VICOR CORP                     925815102          2,470,095.00         81320       X                   0              0      81320

VIVENDI UNIVERSAL              92851S204          2,295,015.94         35139       X                   0              0      35139

VODAPHONE GROUP PLC - SP ADR   92857W100          2,137,469.07         59685  X                        0              0      59685
                                                  5,694,402.52        159006       X                   0              0     159006
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,831,871.59        218691                           0              0     218691

VULCAN MATERIALS CO            929160109            315,975.00          6600  X                        0              0       6600
                                                     16,469.00           344       X                   0              0        344

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 89,744,627.02       1754955                        1000              0    1753955
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     36
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    332,444.00          6944                           0              0       6944

VULCAN POWER CO CL A COMMON    929187995                  0.00        104791       X                   0              0     104791

WACHOVIA CORP NEW              929771103            183,093.75          3150  X                        0              0       3150
                                                  1,112,861.25         19146       X                   0              0      19146
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,295,955.00         22296                           0              0      22296

WAL MART STORES INC            931142103          2,037,396.88         38351  X                        0              0      38351
                                                  5,092,137.50         95852       X                   0              0      95852
                                             ----------------- --------------               -------------     ---------- ----------
                                                  7,129,534.38        134203                           0              0     134203

WALGREEN CO                    931422109          1,998,637.50         47800  X                        0              0      47800
                                                  4,639,933.13        110970       X                   0              0     110970
                                             ----------------- --------------               -------------     ---------- ----------
                                                  6,638,570.63        158770                           0              0     158770

WASHINGTON MUTUAL INC          939322103            176,167.50          3320  X                        0              0       3320
                                                    251,516.25          4740       X                   0              0       4740
                                             ----------------- --------------               -------------     ---------- ----------
                                                    427,683.75          8060                           0              0       8060

WASHINGTON POST CO CL B        939640108            361,488.75           586  X                        0              0        586
                                                 15,587,814.41         25269       X                   0              0      25269
                                             ----------------- --------------               -------------     ---------- ----------
                                                 15,949,303.16         25855                           0              0      25855

WASTE MANAGEMENT INC (NEW)     94106L109             47,868.75          1725  X                        0              0       1725
                                                    715,533.75         25785       X                   0              0      25785
                                             ----------------- --------------               -------------     ---------- ----------
                                                    763,402.50         27510                           0              0      27510

WATERS CORP                    941848103            676,350.00          8100  X                        0              0       8100

WEBCREDIT INC.                 9292999A5            561,480.00        187160       X                   0              0     187160

WELLS FARGO & CO               949746101          6,213,332.84        111575  X                        0              0     111575
                                                 13,179,560.65        236670       X                   0              0     236670
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 52,835,172.91       1024990                           0              0    1024990
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     37
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                 19,392,893.49        348245                           0              0     348245

WEYERHAEUSER CO                962166104          1,130,963.75         22285       X                   0              0      22285

WHITE MOUNTAIN INSURANCE GROUP G9618E107          4,144,129.00         12991  X                        0              0      12991
INC

WHOLE FOODS MKT INC            966837106             33,618.75           550  X                        0              0        550
                                                    369,806.25          6050       X                   0              0       6050
                                             ----------------- --------------               -------------     ---------- ----------
                                                    403,425.00          6600                           0              0       6600

WILEY JOHN & SONS INC          968223305            420,000.00         20000       X                   0              0      20000

WILEY JOHN & SONS INC A        968223206          1,922,100.00         89400  X                        0              0      89400
                                                    601,075.50         27957       X                   0              0      27957
                                             ----------------- --------------               -------------     ---------- ----------
                                                  2,523,175.50        117357                           0              0     117357

WILLIAMS COS INC               969457100             62,102.81          1555  X                        0              0       1555
                                                    235,431.56          5895       X                   0              0       5895
                                             ----------------- --------------               -------------     ---------- ----------
                                                    297,534.37          7450                           0              0       7450

WILMINGTON TR CORP             971807102             57,469.87           926  X                        0              0        926
                                                    639,243.75         10300       X                   0              0      10300
                                             ----------------- --------------               -------------     ---------- ----------
                                                    696,713.62         11226                           0              0      11226

WISCONSIN ENERGY CORP          976657106             54,150.00          2400  X                        0              0       2400
                                                    666,721.89         29550       X                   0              0      29550
                                             ----------------- --------------               -------------     ---------- ----------
                                                    720,871.89         31950                           0              0      31950

WORLDCOM INC                   98157D106            155,005.43         11023  X                        0              0      11023
                                                     42,889.10          3050       X                   0              0       3050
                                             ----------------- --------------               -------------     ---------- ----------
                                                    197,894.53         14073                           0              0      14073

WPS RES CORP                   92931B106            618,450.00         16800       X                   0              0      16800
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                 11,153,157.66        260732                           0              0     260732
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     38
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         --------------


ZAPWORLD.COM                   98912M102            339,363.41        120684       X                   0              0     120684

ZIONS BANCORPORATION           989701107            437,059.00          7000  X                        0              0       7000
                                                    156,092.50          2500       X                   0              0       2500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    593,151.50          9500                           0              0       9500

ZOLL MED CORP                  989922109            268,048.99          7645       X                   0              0       7645

                                             ================= ==============               =============     ========== ==========
TOTALS FOR COMMON                             3,551,844,376.90      74308731                      103566              0   74205165

                                             ================= ==============               =============     ========== ==========
GRAND TOTALS                                  3,551,844,376.90      74308731                      103566              0   74205165
         PREFERRED
         ---------

ARGUS SOFTWARE PFD             0402769C3              9,600.00          8000  X                        0              0       8000
                                                    663,000.00        552500       X                   0              0     552500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    672,600.00        560500                           0              0     560500

ASSISTANTBUYER INC PFD Ser A   045800901             50,000.19         77292       X                   0              0      77292

BANKAMERICA CAPITAL $1.938 PFD 066046202            246,875.00         10000       X                   0              0      10000

BIZFON INC PFD Ser A           0910999A1             30,000.00         30000  X                        0              0      30000
                                                    334,000.00        334000       X                   0              0     334000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    364,000.00        364000                           0              0     364000

BIZFON INC PFD Ser B           0910999B9              1,710.00           900  X                        0              0        900
                                                    371,444.30        195497       X                   0              0     195497
                                             ----------------- --------------               -------------     ---------- ----------
                                                    373,154.30        196397                           0              0     196397

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


                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE              7,106,740,947.19     150021479                      207132              0  149814347
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     39
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         -----------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    145,000.00         58000                           0              0      58000

BIZFON INC PFD Ser D           0910999D5            218,799.60        729332       X                   0              0     729332

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

CORPORATION FOR LASER OPTICS   2200359B7             10,000.00          2500  X                        0              0       2500
RESEARCH PFD Ser B
                                                    158,000.00         39500       X                   0              0      39500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    168,000.00         42000                           0              0      42000

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            250,001.66         56256       X                   0              0      56256

ENGLISHTOWN INC PFD Ser A      2949089A8                  0.00         25000       X                   0              0      25000

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
                                                    541,818.75         21300       X                   0              0      21300
                                             ----------------- --------------               -------------     ---------- ----------
                                                    567,256.25         22300                           0              0      22300

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

INTERNET COMMERCE SVCS CO CV   4605679A0            500,000.00        500000       X                   0              0     500000
PFD Ser A

MARATHON TECHNOLOGIES CORP CV  565915998            355,000.00         71000       X                   0              0      71000
PFD Ser A

MARATHON TECHNOLOGIES CORP CV  565915980             70,000.00          8750  X                        0              0       8750
PFD Ser B
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                  2,409,056.99       1761345                           0              0    1761345
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     40
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         -----------------

                                                    540,000.00         67500       X                   0              0      67500
                                             ----------------- --------------               -------------     ---------- ----------
                                                    610,000.00         76250                           0              0      76250

MARATHON TECHNOLOGIES CORP CV  5659159A5            512,352.00         42696       X                   0              0      42696
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

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

MICROLOGIC INC CL A PFD        5950769A0            404,985.00         53998       X                   0              0      53998

MOBILE SOLUTIONS INTL INC CONV 606060911             49,995.75         18725       X                   0              0      18725
PFD Ser A

MOTOROLA 6.68% CAPITAL TR PFD  620074203          1,143,362.50         51100  X                     2000              0      49100
                                                  3,277,378.13        146475       X                   0              0     146475
                                             ----------------- --------------               -------------     ---------- ----------
                                                  4,420,740.63        197575                        2000              0     195575

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            150,000.00        120000       X                   0              0     120000

PACIFIC TELESIS FING II $2.125 694889205             50,000.00          2000  X                        0              0       2000
PFD
                                                    335,000.00         13400       X                   0              0      13400
                                             ----------------- --------------               -------------     ---------- ----------
                                                    385,000.00         15400                           0              0      15400

PHYTERA INC CONV PFD Ser B     9896814B4             75,750.00         25000  X                        0              0      25000
                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                  7,999,826.12        684741                        3523              0     681218
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     41
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         -----------------


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

PROSPERO TECHNOLOGIES CORP PFD 743500902            198,403.20       1653360       X              128000              0    1525360
Ser a

QUICKBUY INC CV PFD Ser B      7484499A5             10,125.00          1350  X                        0              0       1350
                                                    607,800.00         81040       X                   0              0      81040
                                             ----------------- --------------               -------------     ---------- ----------
                                                    617,925.00         82390                           0              0      82390

RECRUITSOURCE INC CONV PFD Ser 7563579B7             40,250.00         35000  X                        0              0      35000
B
                                                     96,600.00         84000       X                   0              0      84000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    136,850.00        119000                           0              0     119000

RELIASTAR FING II $2.025 PFD   75952F205            627,937.50         25500       X                   0              0      25500

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            109,650.00          3400  X                        0              0       3400
                                                    657,900.00         20400       X                   0              0      20400
                                             ----------------- --------------               -------------     ---------- ----------
                                                    767,550.00         23800                           0              0      23800

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

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                  3,144,498.50       2232952                      128000              0    2104952
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     42
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         -----------------

                                             ----------------- --------------               -------------     ---------- ----------
                                                    403,852.80         63102                           0              0      63102

SONAMED CORP PFD Ser A         8354099H8             28,768.00          4495  X                        0              0       4495
                                                  1,003,168.00        156745       X                   0              0     156745
                                             ----------------- --------------               -------------     ---------- ----------
                                                  1,031,936.00        161240                           0              0     161240

SPECTRA SCIENCE CORP CONV PFD  847619996            104,917.50         46630  X                        0              0      46630
Ser A
                                                    682,695.00        303420       X                   0              0     303420
                                             ----------------- --------------               -------------     ---------- ----------
                                                    787,612.50        350050                           0              0     350050

STERLING NETWORK GROUP INC PFD 8595159A8             10,400.00         10400  X                    10400              0          0
Ser A

SURGICAL SEALANTS INC CV PFD   8688889B6            400,000.00          6400       X                   0              0       6400
Ser B

TURNSTONE PUBLISHING GROUP INC 8998994A3            200,001.88          3299       X                   0              0       3299
CONV PFD Ser A

VIRTUAL INK PFD Ser C          928257A95             79,440.00         48000  X                        0              0      48000
                                                    623,935.00        377000       X                   0              0     377000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    703,375.00        425000                           0              0     425000

VIRTUAL INK PFD Ser D          928257D92             43,570.40          8000  X                        0              0       8000
                                                    272,315.00         50000       X                   0              0      50000
                                             ----------------- --------------               -------------     ---------- ----------
                                                    315,885.40         58000                           0              0      58000

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

                                             ----------------- --------------               -------------     ---------- ----------
         SUBTOTALS FOR THIS PAGE                  3,874,215.78       1081389                       10400              0    1070989
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     43
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

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

<TABLE>
<CAPTION>
                                                                              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.)
         -----------------

WEB CT INC SER C CONV PFD      9299209C2            119,695.30         30770  X                        0              0      30770
                                                    742,398.72        190848       X                   0              0     190848
                                             ----------------- --------------               -------------     ---------- ----------
                                                    862,094.02        221618                           0              0     221618

                                             ================= ==============               =============     ========== ==========
TOTALS FOR PREFERRED                             20,141,320.90       7248234                      141923              0    7106311

                                             ================= ==============               =============     ========== ==========
GRAND TOTALS                                     20,141,320.90       7248234                      141923              0    7106311
</TABLE>
<PAGE>

REPORT RUN: 01/02/2001 at 01:29 PM    EQUITIES DISCLOSURE (13-F)     PAGE     44
BUSINESS DATE: 01/02/2001                                        R33.002.001

                              As of 12/31/2000

                          Produced on trust2>WELCHDB

          The parameters used in producing report R33.002.001 were:

        ASOF##                        =                       12/31/2000
        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 ================================


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