<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: September 30, 1999
------------------
Check here if Amendment __; Amendment Number: __
This Amendment (Check only one.): __is a restatement.
__adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: Loomis Sayles & Company, L.P.
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Address: One Financial Center
--------------------
Boston MA 02110-2660
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Form 13F File Number: 28-398
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The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Arnar Thorsteinsson
-------------------
Title: Trading Compliance Manager
--------------------------
Phone: (800) 343-2029, ext. 1195
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Signature, Place, and Date of Signing:
Boston MA October 8, 1999
- ------------------------------ --------- ---------------
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are
- -
reported in this report.)
13F NOTICE. (Check here if no holdings reported are in this report, and all
- -
holdings are reported by other reporting manager(s).)
13F COMBINATION REPORT. (Check here if a portion of the holdings for this
- -
reporting manager are reported in this report and a portion are reported by
other reporting manager(s).)
List of Other Managers Reporting for this Manager:
Form 13F File Number Name
28- ____________ ______________________________
<PAGE>
Form 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 6
-
Form 13F Information Table Entry Total: 1,466
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Form 13F Information Table Value Total: $31,191,726
-----------
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.
No. Form 13F File Number Name
1. 28-5952 MetLife New England Holdings, Inc.
-- ---- ----------------------------------
2. 28-3714 Metropolitan Life Insurance Company
-- ---- -----------------------------------
3. 28-6808 Nvest Companies, L.P.
-- ---- ---------------------
4. 28-2436 Strategic Investment Partners, Inc.
-- ---- -----------------------------------
5. 28-2437 Strategic Investment Management
-- ---- -------------------------------
6. 28-2495 Strategic Investment Management, Int'l
-- ---- --------------------------------------
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 1 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
DAIMLERCHRYSLER AG COMMON D1668R123 6,266 90,237 X 123 42,677 47,560
VIVENDI (EX-DEN DES EAUX) COMMON F43281116 234 3,314 X 123 3,314
ACE LTD COMMON G0070K103 82,580 4,875,448 X 123 2,824,850 3,400 2,047,198
ANNUITY & LIFE RE (HLDGS) COMMON G03910109 14,721 591,790 X 123 428,990 51,300 111,500
GLOBAL CROSSING LTD COMMON G3921A100 299 11,275 X 123 11,275
HELEN OF TROY LTD COMMON G4388N106 17 1,800 X 123 1,800
LORAL SPACE & COMMUNICATIONS COMMON G56462107 2,494 145,119 X 123 91,669 53,450
SANTA FE INTERNATIONAL CORP COMMON G7805C108 16,030 743,400 X 123 630,500 9,300 103,600
TOMMY HILFIGGER CORP COMMON G8915Z102 1,705 60,500 X 123 60,500
TRANSOCEAN OFFSHORE INC COMMON G90076103 50,350 1,644,075 X 123 1,239,875 2,000 402,200
XOMA LTD COMMON G9825R107 10 3,500 X 123 3,500
XL CAPITAL LTD - A COMMON G98255105 99 2,200 X 123 2,200
INTERNET GOLD -GOLDEN LINES COMMON M56595107 90 10,700 X 123 10,700
ROYAL CARIBBEAN CRUISES LTD COMMON V7780T103 4,352 96,720 X 123 55,900 40,820
TEEKAY SHIPPING CORP COMMON V89564104 47 3,000 X 123 3,000
FLEXTRONICS INTL LTD COMMON Y2573F102 349 6,000 X 123 6,000
AAR CORP COMMON 000361105 4,630 257,200 X 123 202,600 6,400 48,200
ADC TELECOMMUNICATIONS INC COMMON 000886101 21 500 X 123 500
AFLAC INC COMMON 001055102 303 7,228 X 123 5,200 2,028
AGCO CORP COMMON 001084102 1 100 X 123 100
AES CORPORATION COMMON 00130H105 16,018 271,496 X 123 195,100 11,100 65,296
AES CORP -WTS WTS 00130H113 2 22 X 123 22
AIM CONSTELLATION FUND COMMON 001413202 63 1,960 X 123 1,960
AIM BLUE CHIP FD CL A COMMON 001413871 62 1,437 X 123 1,437
AMFM INC COMMON 001693100 583 9,600 X 123 4,600 5,000
AMR CORP/DEL COMMON 001765106 21,402 392,700 X 123 327,800 17,500 47,400
A T & T CORP COMMON 001957109 116,123 2,669,501 X 123 1,704,879 22,950 941,672
AT&T -LIBERTY MEDIA GRP COMMON 001957208 1,052 28,200 X 123 28,200
APP FINANCE VI CVT CV BND 00202NAA3 1,130 96,876 X 123 80,730 16,146
APP FINANCE VII CVT 144A CV BND 00202PAA8 77,941 1,558,828 X 123 1,261,730 171,013 126,085
AT&T CANADA INC COMMON 00207Q202 63 1,000 X 123 1,000
AXA FINANCIAL COMMON 002451102 5,760 103,200 X 123 102,500 700
ABACUS DIRECT CORP COMMON 002553105 17,538 143,900 X 123 108,600 17,700 17,600
ABBOTT LABS COMMON 002824100 17,802 485,234 X 123 188,328 296,906
ABERCROMBIE & FITCH CO COMMON 002896207 75 2,192 X 123 2,192
ABGENIX INC COMMON 00339B107 13,912 355,000 X 123 279,250 26,150 49,600
ACCLAIM ENMNT INC COMMON 004325205 7,111 936,400 X 123 736,700 23,200 176,500
ACETO CORP COMMON 004446100 41 3,745 X 123 3,745
ACME COMMUNICATIONS COMMON 004631107 8,187 264,100 X 123 176,700 38,700 48,700
ACNIELSON CORP COMMON 004833109 13,272 585,000 X 123 458,100 11,100 115,800
ACTEL CORP COMMON 004934105 9,561 503,200 X 123 398,900 12,000 92,300
ACXIOM CORP COMMON 005125109 16 800 X 123 800
ADAPTEC INC COMMON 00651F108 89 2,245 X 123 2,245
ADVANTICA RESTAURANT GROUP COMMON 00758B109 26,579 8,769,028 X 123 7,694,089 764,762 310,177
ADVO INC COMMON 007585102 6,958 349,000 X 123 280,700 8,100 60,200
AEROFLEX INC COMMON 007768104 1,743 143,000 X 123 98,000 7,700 37,300
ADVANCED MICRO DEVICES COMMON 007903107 1,942 113,000 X 123 76,300 36,700
AEGON NV AMERICAN REG SHR COMMON 007924103 26 295 X 123 295
ADVANCED ENERGY INDS COMMON 007973100 17,657 571,900 X 123 442,400 51,300 78,200
ADVENT SOFTWARE INC COMMON 007974108 21,277 341,800 X 123 265,500 29,850 46,450
AETNA INC COMMON 008117103 1,636 33,213 X 123 17,663 15,550
AETNA REAL ESTATE ASSOC COMMON 008171100 12 1,136 X 123 1,136
AFFYMRTRIX INC COMMON 00826T108 128 1,300 X 123 1,300
AGRITOPE INC COMMON 00855D107 40 20,000 X 123 20,000
AIM VALUE FUND -CL B COMMON 008879728 42 971 X 123 971
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 2 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
AIM INTL EQUITY FUND COMMON 008882102 62 3,092 X 123 3,092
AIR PRODS & CHEM COMMON 009158106 2,464 84,243 X 123 23,143 61,100
AIRONET WIRELESS COMM COMMON 00943A107 3,182 151,500 X 123 102,800 7,900 40,800
AKZO NOBEL N V SPON ADR COMMON 010199305 9 200 X 123 200
ALABAMA NATL BANCORP/DEL COMMON 010317105 140 6,000 X 123 1,000 5,000
ALBEMARLE CORP COMMON 012653101 805 40,000 X 123 40,000
ALBERTO CULVER CO CL B COMMON 013068101 24 1,025 X 123 1,025
ALBERTSONS INC COMMON 013104104 945 23,875 X 123 2,875 21,000
ALCAN ALUMINUM LTD COMMON 013716105 1,388 44,400 X 123 28,500 15,900
ALCOA INC COMMON 013817101 35,112 565,750 X 123 346,350 500 218,900
ALCATEL ALSTHOM -SPONS ADR COMMON 013904305 373 13,444 X 123 4,887 8,557
ALKERMES INC COMMON 01642T108 12,073 419,000 X 123 325,400 38,800 54,800
ALLEGHENY TELEDYNE INC COMMON 017415100 454 26,900 X 123 21,700 5,200
ALLEGIANCE TELECOM COMMON 01747T102 95 1,800 X 123 1,800
ALLERGAN INC COMMON 018490102 66 600 X 123 600
ALLERGAN SPECIALTY THERAPEUTIC COMMON 018494104 30 X 123 30
ALLIANCE QUASAR FD -CL A COMMON 01877E107 11 478 X 123 478
ALLIANT ENERGY CORP COMMON 018802108 29 1,040 X 123 1,040
ALLIANT TECHSYSTEMS INC COMMON 018804104 9,177 132,400 X 123 105,200 3,100 24,100
ALLIED SIGNAL INC COMMON 019512102 21,975 366,634 X 123 305,720 10,000 50,914
ALLMERICA FINANCIAL CORP COMMON 019754100 1,337 28,063 X 123 20,500 7,563
ALLSTATE CORP COMMON 020002101 66,165 2,653,188 X 123 1,441,756 2,600 1,208,832
ALLTEL CORP COMMON 020039103 411 5,837 X 123 5,837
ALLTRISTA CORP COMMON 020040101 14 547 X 123 547
ALTERA CORP COMMON 021441100 434 10,000 X 123 10,000
ALTERRA HEALTHCARE CORP COMMON 02146C104 2,771 312,200 X 123 229,200 12,700 70,300
AMERICA ONLINE INC COMMON 02364J104 1,627 15,632 X 123 9,052 6,580
AMERICAN FDS -BALANCE FD COMMON 024071102 29 1,883 X 123 1,883
AMERICAN ELEC PWR COMMON 025537101 47 1,373 X 123 1,373
AMERICAN EXPRESS COMMON 025816109 82,443 610,686 X 123 315,404 500 294,782
AMERICAN FREIGHTWAYS CORP COMMON 02629V108 15 800 X 123 800
AMERICAN GEN CORP COMMON 026351106 3,151 49,825 X 123 49,825
AMERICAN GREETINGS COMMON 026375105 56 2,165 X 123 1,365 800
AMERICAN HOME PRODUCTS COMMON 026609107 10,870 261,934 X 123 127,630 9,400 124,904
AMERICAN INTL GRP COMMON 026874107 91,128 1,048,191 X 123 459,343 4,125 584,723
AMERICAN MGMT SYSTEM COMMON 027352103 4,491 175,050 X 123 96,350 78,700
AMERICAN MUTUAL FUNDS COMMON 027681105 59 2,029 X 123 2,029
AMERICAN STATES WATER CO COMMON 029899101 8,560 258,400 X 123 207,200 6,100 45,100
AMERICAN XTAL TECH INC COMMON 030514103 4,579 214,200 X 123 169,500 4,800 39,900
AMERIKING INC COMMON 03071G102 28 1,750 X 123 1,750
AMERISOURCE HEALTH CORP COMMON 03071P102 5,225 220,580 X 123 148,000 72,580
AMERUS LIFE HOLDINGS -A COMMON 030732101 5,765 272,100 X 123 214,700 6,700 50,700
AMERITECH CORP COMMON 030954101 292,477 4,381,678 X 123 2,694,902 30,500 1,656,276
AMETEK INC COMMON 031100100 8 400 X 123 400
AMGEN INC COMMON 031162100 8,199 100,600 X 123 400 100,200
AMSOUTH BANCORP COMMON 032165102 3,916 167,075 X 123 102,875 64,200
ANADARKO PETE CORP COMMON 032511107 37,030 1,211,580 X 123 485,000 726,580
ANALOG DEVICES COMMON 032654105 1,343 26,200 X 123 16,900 9,300
ANDERSONS INC COMMON 034164103 1,626 185,800 X 123 126,600 10,100 49,100
ANHEUSER BUSCH COMMON 035229103 53,953 770,067 X 123 508,440 800 260,827
ANICOM INC COMMON 035250109 21 4,000 X 123 4,000
ANIXTER INTL COMMON 035290105 82 3,530 X 123 3,530
ANNTAYLOR STORES CORP COMMON 036115103 12,373 302,700 X 123 240,300 21,700 40,700
ATHRACITE CAPITAL INC COMMON 037023108 6,066 882,300 X 123 703,100 19,300 159,900
APARTMENT INVESTMENT & MGMT COMMON 03748R101 8 200 X 123 200
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 3 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
APPLE COMPUTER COMMON 037833100 9,689 153,030 X 123 132,125 20,905
APPLIED GRAPHICS TECH COMMON 037937109 9 1,000 X 123 1,000
APPLIED MICRO CIRCUITS CORP COMMON 03822W109 6,561 115,100 X 123 67,500 47,600
APPLIED MATERIALS COMMON 038222105 40,150 516,816 X 123 182,416 4,700 329,700
APTARGROUP INC COMMON 038336103 32 1,200 X 123 1,200
ARCH CHEMICALS INC COMMON 03937R102 5 325 X 123 325
ARCHSTONE COMMUNITIES TRUST COMMON 039581103 134 6,800 X 123 6,800
ARCTIC CAT INC COMMON 039670104 173 18,100 X 123 18,100
ARIBA INC COMMON 04033V104 145 1,000 X 123 1,000
ARKANSAS BEST CVT PFD 5.75% A CV PFD 040790206 67,464 1,606,293 X 123 1,371,089 134,620 100,584
ARMSTRONG WORLD COMMON 042476101 47 1,050 X 123 800 250
ARROW ELECTRONICS INC COMMON 042735100 5 300 X 123 300
ASIA PULP & PAPER -SP ADR COMMON 04516V100 617 105,000 X 123 63,400 41,600
ASPECT TELECOM CVT SUB DEBS CV BND 045237AE4 2,321 91,482 X 123 74,711 12,415 4,356
ASPECT TELECOMMUNICATIONS COMMON 045237104 68 4,000 X 123 4,000
ASPEN TECHNOLOGY INC COMMON 045327103 1,532 157,100 X 123 108,500 8,300 40,300
ASSOCIATED BANC CORP COMMON 045487105 5,051 139,576 X 123 126,925 12,651
ASSOCIATED ESTATES REALTY CP COMMON 045604105 6,878 748,600 X 123 503,700 65,500 179,400
AT HOME CORP -A COMMON 045919107 7 X 123 7
ASSOCIATES FIRST CAPITAL COMMON 046008108 23,740 659,451 X 123 357,321 302,130
ASTORIA FINANCIAL CORP COMMON 046265104 9 300 X 123 300
ATHABASCA OIL SANDS TRUST COMMON 046903100 16 1,000 X 123 1,000
ATLANTIC RICHFIELD COMMON 048825103 4,065 45,862 X 123 29,830 3,500 12,532
ATMEL CORP COMMON 049513104 2,746 81,200 X 123 61,900 1,000 18,300
ATWOOD OCEANICS INC COMMON 050095108 17,396 569,200 X 123 435,800 59,900 73,500
AUTOLIV INC COMMON 052800109 279 7,427 X 123 2,044 5,383
AUTOMATIC DATA PROC COMMON 053015103 5,659 126,819 X 123 25,361 101,458
AUTONATION INC COMMON 05329W102 15 1,200 X 123 1,200
AUTOZONE INC COMMON 053332102 4,529 161,400 X 123 104,200 57,200
AVALONBAY COMMUNITIES COMMON 053484101 5,061 149,400 X 123 105,500 5,500 38,400
AVERY DENNISON CORP COMMON 053611109 53 1,000 X 123 1,000
AVON PRODS COMMON 054303102 672 27,100 X 123 11,600 15,500
AVTEAM INC CL A COMMON 054527205 10 1,500 X 123 1,500
BJ'S WHOLESALE CLUB INC COMMON 05548J106 140 4,740 X 123 4,740
BJ SERVICES CO COMMON 055482103 530 16,650 X 123 9,500 7,150
B P AMOCO PLC -SP ADR COMMON 055622104 81,243 733,151 X 123 386,129 3,246 343,776
BMC SOFTWARE INC COMMON 055921100 97 1,350 X 123 800 550
BAKER HUGHES INC CVT NTS CV BND 057224AH0 309,379 4,267,300 X 123 4,097,401 169,899
BAKER HUGHES INC COMMON 057224107 24,753 853,550 X 123 476,900 376,650
BAKER (J) INC COMMON 057232100 1,682 213,600 X 123 147,400 11,400 54,800
BALL CORPORATION COMMON 058498106 242 5,500 X 123 5,500
BANCO SANTANDER PUERTO RICO COMMON 059646109 1,930 113,500 X 123 84,500 29,000
BANK OF AMERICA CORP COMMON 060505104 23,605 423,874 X 123 180,390 243,484
BANK OF NEW YORK COMMON 064057102 23,849 713,234 X 123 626,814 4,000 82,420
BANK ONE CORP COMMON 06423A103 51,627 1,482,992 X 123 885,578 1,800 595,614
BANKBOSTON CORP COMMON 06605R106 2,187 50,410 X 123 20,350 30,060
BANTA CORP COMMON 066821109 672 30,100 X 123 17,850 12,250
BARD C R COMMON 067383109 241 5,125 X 123 2,225 2,900
BARRICK GOLD CORP COMMON 067901108 1,631 75,000 X 123 46,900 28,100
BARRETT RESOURCES CORP COMMON 068480201 19 525 X 123 525
BASIN EXPLORATION COMMON 070107107 36 1,500 X 123 1,500
BASSET FURNITURE INDS COMMON 070203104 37 1,950 X 123 1,950
BAXTER INTL INC COMMON 071813109 228 3,780 X 123 3,780
BE AEROSPACE INC COMMON 073302101 16 1,300 X 123 1,300
BEA SYSTEMS INC COMMON 073325102 240 6,800 X 123 6,800
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 4 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
BEAR STEARNS COMPANIES COMMON 073902108 58,456 1,520,776 X 123 848,968 1,700 670,108
BEAR STEARNS SM CAP VALUE -A COMMON 073921306 20 993 X 123 993
BECKMAN COULTER INC COMMON 075811109 7,680 170,200 X 123 138,800 3,600 27,800
BELL ATLANTIC CORP COMMON 077853109 21,402 317,950 X 123 237,803 6,700 73,447
BELL ATLANTIC FINL EURO CVT CV BND 0778599A6 195,937 1,951,268 X 123 1,826,643 124,625
BELL ATLANTIC FINL EURO CVT CV BND 0778599B4 1,439,124 13,762,961 X 123 13,189,050 573,911
BELL SPORTS CORP CVT SUB DEBS CV BND 077903AA0 12,039 148,632 X 123 122,037 22,842 3,753
BELLSOUTH CORP COMMON 079860102 244,608 5,435,736 X 123 3,178,636 29,440 2,227,660
BELLWEATHER EXPLORATION COMMON 079895207 19 3,000 X 123 3,000
BEN & JERRYS HOMEMADE CL A COMMON 081465106 2 100 X 123 100
BERKSHIRE HATHAWAY INC CL A COMMON 084670108 5,610 102 X 123 102
BERKSHIRE HATHAWAY INC CL B COMMON 084670207 2,220 1,196 X 123 77 1,119
BERKSHIRE REALTY COMPANY COMMON 084710102 10,769 897,400 X 123 654,000 47,400 196,000
BESTFOODS COMMON 08658U101 1,587 32,672 X 123 12,868 4,000 15,804
BETHLEHEM STEEL CORP COMMON 087509105 6,747 914,800 X 123 662,500 11,700 240,600
BETHLEHEM STEEL CVT PFD 144A CV PFD 087509501 151,807 4,202,259 X 123 3,620,406 420,752 161,101
BEVERLY ENTERPRISES INC COMMON 087851309 2,681 630,900 X 123 489,700 15,500 125,700
BIOGEN INC COMMON 090597105 44,013 558,450 X 123 304,450 800 253,200
BIOMATRIX INC COMMON 09060P102 57 2,530 X 123 2,530
BIOMARIN PHARMACEUTICAL COMMON 09061G101 5,492 316,100 X 123 241,400 33,100 41,600
BIOMUNE SYSTEMS INC COMMON 09061T608 20 X 123 20
BIOMET INC COMMON 090613100 17,217 654,306 X 123 457,650 800 195,856
BIOVAIL CORP INTL COMMON 09067K106 5,049 99,490 X 123 79,325 2,100 18,065
BLACK & DECKER CORP COMMON 091797100 107,718 2,357,682 X 123 1,546,303 26,300 785,079
BLACK HILLS CORP COMMON 092113109 45 1,950 X 123 1,950
H & R BLOCK INC COMMON 093671105 48 1,100 X 123 400 700
BOEING CO COMMON 097023105 10,154 238,228 X 123 164,200 12,900 61,128
BOISE CASCADE CORP COMMON 097383103 237 6,500 X 123 1,500 5,000
BONE CARE INTL COMMON 098072101 3 300 X 123 300
BORDERS GROUP INC COMMON 099709107 806 54,900 X 123 13,000 41,900
BORG WARNER AUTOMOTIVE INC COMMON 099724106 705 16,400 X 123 13,300 3,100
BOSTON CHICKEN SUB CVT DEBS CV BND 100578AA1 2,270 2,269,887 X 1235 1,914,746 214,343 140,798
BOSTON CHICKEN SUB DEB CONV CV BND 100578AB9 144 383,933 X 12356 328,476 38,393 17,064
BOSTON CHICKEN CVT SUB DEBS CV BND 100578AC7 513 513,428 X 123 474,103 37,453 1,872
BOSTON PROPERTIES INC COMMON 101121101 6 200 X 123 200
BOSTON SCIENTIFIC CORP COMMON 101137107 307 12,400 X 123 12,400
BOWATER INC COMMON 102183100 21 400 X 123 400
BRADLESS INC WTS WTS 104499116 1,593 196,029 X 123 174,011 17,210 4,808
BRADY CORP CL A COMMON 104674106 96 3,000 X 123 3,000
BRANDYWINE RLTY TRUST COMMON 105368203 12,332 758,900 X 123 584,000 16,700 158,200
BRIGGS & STRATTON COMMON 109043109 157 2,687 X 123 325 2,362
BRISTOL-MYERS SQUIBB CO COMMON 110122108 217,047 3,215,509 X 123 1,748,604 13,900 1,453,005
BRITISH TELECOM PLC -SP ADR COMMON 111021408 274 1,770 X 123 1,000 770
BROADBAND TECH SUB CONV NTS CV BND 111309AC4 95,016 2,159,451 X 1235 1,810,609 212,753 136,089
BROADCOM CORP CL A COMMON 111320107 262 2,400 X 123 2,400
BROCADE COMMUNICATIONS COMMON 111621108 147 700 X 123 700
BUILDERS TRANSPORT SUB CVT CV BND 120084AA6 32 256,016 X 123 185,320 22,540 48,156
BUILDERS TRANSPORT SUB DEB CV CV BND 120084AB4 30 242,167 X 123 182,565 54,304 5,298
BURLINGTON COAT FACTORY WRHS COMMON 121579106 13,949 706,300 X 123 562,800 15,900 127,600
BURLINGTON INDS INC COMMON 121693105 5,942 1,320,400 X 123 1,039,900 22,500 258,000
BURLINGTON NORTHN SANTA FE COMMON 12189T104 4,898 178,105 X 123 133,250 44,855
BURLINGTON RESOURCES INC COMMON 122014103 117 3,197 X 123 3,197
BURNS INTL SERVICES COMMON 122374101 5,026 311,700 X 123 244,900 9,500 57,300
CBS CORPORATION COMMON 12490K107 41,879 905,490 X 123 417,265 12,600 475,625
C-CUBE MICROSYSTEMS INC COMMON 125015107 12,667 291,200 X 123 219,800 3,700 67,700
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 5 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
CEC ENTERTAINMENT INC COMMON 125137109 14,125 393,740 X 123 302,990 10,050 80,700
CGM CAP DEV FD COMMON 125322107 556 24,340 X 123 300 24,040
CGM REALTY FUND COMMON 125325407 190 16,684 X 123 16,684
C.H. ROBINSON WORLDWIDE COMMON 12541W100 7 200 X 123 200
CIGNA CORP COMMON 125509109 29 375 X 123 375
C.I.T. GROUP INC COMMON 125577106 49,569 2,410,585 X 123 1,400,745 2,100 1,007,740
CK WITCO CORP COMMON 12562C108 15,821 1,063,610 X 123 538,755 3,300 521,555
CMGI INC COMMON 125750109 410 4,000 X 123 4,000
CML GRP CVT EURO 144A CV BND 125820AB6 40 316,044 X 123 285,177 28,938 1,929
CMS ENERGY CORP COMMON 125896100 11,735 345,775 X 123 191,150 154,625
CNA SURETY CORP COMMON 12612L108 8,582 653,900 X 123 524,800 15,200 113,900
CNF TRANSPORTATION INC COMMON 12612W104 42,386 1,137,875 X 123 881,225 17,400 239,250
CSX CORP COMMON 126408103 455 10,749 X 123 6,000 4,000 749
CUNO INC COMMON 126583103 7,704 387,600 X 123 300,300 10,700 76,600
CVS CORP COMMON 126650100 44,085 1,080,170 X 123 374,000 10,500 695,670
CABLETRON SYS COMMON 126920107 86 5,500 X 123 5,500
CABLE DESIGN TECHNOLOGIES COMMON 126924109 175 7,670 X 123 7,670
CABOT OIL & GAS -CL A COMMON 127097103 10 600 X 123 600
CADENCE DESIGN SYS INC COMMON 127387108 4,859 363,300 X 123 311,700 51,600
CALDWELL & ORKIN MKT OPP FD COMMON 128819307 146 6,912 X 123 6,912
CALPINE CORP COMMON 131347106 264 3,100 X 123 3,100
CAMBREX CORP COMMON 132011107 5,105 193,100 X 123 136,800 9,500 46,800
CAMDEN PPTY TR 9% CVT PFD A CV PFD 133131201 867 35,958 X 123 30,953 5,005
CAMPBELL SOUP COMMON 134429109 39 1,000 X 123 1,000
CANADIAN NATL RAILWAY CO COMMON 136375102 1,499 49,448 X 123 32,440 17,008
CAPITAL AUTOMOTIVE REIT COMMON 139733109 11,483 927,900 X 123 738,300 21,000 168,600
CAPITAL ONE FINL CORP COMMON 14040H105 1,757 45,061 X 123 41,461 3,600
CAPITAL SENIOR LIVING CORP COMMON 140475104 4,051 535,600 X 123 431,100 13,300 91,200
CAPROCK COMMUNICATIONS COMMON 140667106 10,907 469,100 X 123 359,600 45,950 63,550
CAPSTEAD MTG CORP COMMON 14067E100 37 9,500 X 123 9,500
CARAUSTAR INDS INC COMMON 140909102 403 15,800 X 123 13,300 2,500
CARDINAL HEALTH INC COMMON 14149Y108 12,769 234,288 X 123 147,475 500 86,313
CAREMATRIX CORP COMMON 141706101 12 2,300 X 123 2,300
CARLISLE COS INC COMMON 142339100 7,418 187,800 X 123 149,900 4,400 33,500
CARNIVAL CORP CL A COMMON 143658102 35,046 805,652 X 123 461,392 344,260
CAROLINA FIRST CORP COMMON 143877108 95 4,800 X 123 4,800
CAROLINA PWR & LGT COMMON 144141108 38 1,087 X 123 1,087
CARPENTER TECHNOLOGY CORP COMMON 144285103 4 150 X 123 150
CARRAMERICA REALTY COMMON 144418100 10 450 X 123 450
CARTER WALLACE INC COMMON 146285101 5 306 X 123 306
CARTER WALLACE INC CL B COMMON 146285200 5 300 X 123 300
CASEYS GENERAL STORES INC COMMON 147528103 2,787 207,900 X 123 133,000 10,100 64,800
CATERPILLAR INC COMMON 149123101 71,968 1,312,968 X 123 760,480 1,200 551,288
CENDANT CORP COMMON 151313103 653 36,782 X 123 36,782
CENDANT CORP CVT PFD 7.5% CV PFD 151313301 9 311 X 123 311
CENTEX CORP COMMON 152312104 44 1,500 X 123 1,500
CENTOCOR CVT SUB NTS CV BND 152342AE1 28,787 219,747 X 123 167,982 28,420 23,345
CENTOCOR INC COMMON 152342101 325 5,551 X 123 5,551
CENTRAL & SOUTH WEST CORP COMMON 152357109 52 2,450 X 123 600 1,850
CENTURY SOUTH BANKS COMMON 156683104 131 5,700 X 123 1,350 4,350
CENTURYTEL INC COMMON 156700106 1,298 31,950 X 123 18,675 13,275
CERIDIAN CORP COMMON 15677T106 7 300 X 123 300
CHARTER ONE FIN INC COMMON 160903100 3,519 152,159 X 123 124,906 27,253
CHARMING SHOPPES COMMON 161133103 2,729 532,400 X 123 421,300 12,100 99,000
CHASE MANHATTAN CORP COMMON 16161A108 146,367 1,941,855 X 123 1,142,509 7,900 791,446
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 6 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
CHEESECAKE FACTORY (THE) COMMON 163072101 14 500 X 123 500
CHEMED CORP COMMON 163596109 30 1,000 X 123 1,000
CHESAPEAKE CORP COMMON 165159104 8,897 294,100 X 123 233,600 5,000 55,500
CHESAPEAKE ENERGY CORP COMMON 165167107 10,919 2,817,920 X 123 2,415,470 150,225 252,225
CHESAPEAKE ENERGY CVT PFD 7% CV PFD 165167305 133,087 4,032,953 X 123 3,535,849 7,194 489,910
CHEVRON CORP COMMON 166751107 6,588 74,227 X 123 37,173 2,000 35,054
CHICO'S FAS INC COMMON 168615102 105 3,865 X 123 3,865
CHIRON CORP CVT SUB NTS 144A CV BND 170040AB5 20,659 198,886 X 123 184,117 14,769
CHITTENDEN CORP COMMON 170228100 4,295 150,700 X 123 114,000 4,300 32,400
CHOICEPOINT INC COMMON 170388102 13 200 X 123 200
CHUBB CORP COMMON 171232101 5,276 106,327 X 123 74,350 31,977
CIENA CORP COMMON 171779101 902 24,700 X 123 2,600 22,100
CINCINNATI BELL INC COMMON 171870108 235 12,100 X 123 1,100 11,000
CINCINNATI FINANCIAL CORP COMMON 172062101 56 1,500 X 123 1,500
CINERGY CORP COMMON 172474108 8 300 X 123 300
CIRCUIT CITY STORES-CIRCUIT GP COMMON 172737108 4,645 110,100 X 123 91,000 19,100
CISCO SYSTEMS INC COMMON 17275R102 135,813 1,980,844 X 123 828,639 10,900 1,141,305
CIRRUS LOGIC 144A CVT SUB NTS CV BND 172755AA8 5,118 69,160 X 123 42,322 26,838
CIRRUS LOGIC CVT SUB NTS CV BND 172755AC4 216,585 2,926,819 X 123 2,569,663 310,705 46,451
CITADEL COMMUNICATIONS COMMON 172853202 15,336 449,400 X 123 348,900 40,600 59,900
CINTAS CORP COMMON 172908105 2,246 38,850 X 123 38,850
CITIGROUP INC COMMON 172967101 233,689 5,311,119 X 123 3,263,978 36,675 2,010,466
CITIZENS BANKING CORP MICH COMMON 174420109 200 7,651 X 123 11 7,640
CITRIX SYSTEMS INC COMMON 177376100 303 4,900 X 123 2,400 2,500
CITY INV CO LIQ TR UBI COMMON 177900107 15 12,000 X 123 12,000
CITY NATIONAL CORP COMMON 178566105 10,915 325,220 X 123 254,100 5,300 65,820
CLAIRE'S STORES INC COMMON 179584107 11 650 X 123 650
CLARIFY INC COMMON 180492100 22,747 452,105 X 123 345,205 47,050 59,850
CLAYTON HOMES INC COMMON 184190106 9 1,025 X 123 400 625
CLEAR CHANNEL COMMUNICATIONS COMMON 184502102 21,856 273,630 X 123 97,200 176,430
CLEARNET COMMUNICATIONS COMMON 184902104 89 4,950 X 123 4,950
CLOROX CO COMMON 189054109 4 100 X 123 100
COCA COLA COMMON 191216100 11,880 246,209 X 123 60,840 185,369
COEUR D'ALENE MINES SUB CVT CV BND 192108AB4 5,260 84,841 X 123 69,457 7,692 7,692
COLGATE-PALMOLIVE CO COMMON 194162103 3,573 78,108 X 123 17,058 61,050
COLONIAL BANCGROUP INC COMMON 195493309 7,969 712,300 X 123 562,600 9,800 139,900
COLUMBIA ENERGY GROUP COMMON 197648108 74,496 1,345,297 X 123 788,982 800 555,515
COLUMBIA HCA HEALTHCARE CORP COMMON 197677107 14 652 X 123 652
COMAIR HLDGS INC COMMON 199789108 9,089 544,637 X 123 435,200 11,200 98,237
COMCAST CORP CL A COMMON 200300101 1,515 42,000 X 123 11,900 30,100
COMCAST CORP CL A SPL COMMON 200300200 22,795 571,650 X 123 177,850 393,800
COMERICA INC COMMON 200340107 50,212 991,845 X 123 573,700 1,000 417,145
COMMERCE BANCORP INC N J COMMON 200519106 7,462 179,800 X 123 140,900 3,100 35,800
COMMERCE ONE INC COMMON 200693109 9,938 101,700 X 123 69,700 13,900 18,100
COMMERCIAL FEDERAL CORP COMMON 201647104 11,164 568,848 X 123 440,573 11,700 116,575
COMMUNITY FIRST BANKSHARES COMMON 203902101 4,931 292,200 X 123 229,800 8,200 54,200
COMPAQ COMPUTER COMMON 204493100 121,108 5,294,331 X 123 3,641,210 56,400 1,596,721
COMPLETE BUSINESS SOLUTIONS COMMON 20452F107 2,775 202,700 X 123 160,000 5,000 37,700
COMPUCOM SYSTEMS INC COMMON 204780100 4 1,000 X 123 1,000
COMPUTER ASSOC INT COMMON 204912109 6,661 108,977 X 123 66,954 42,023
COMPUSA INC COMMON 204932107 3,112 518,700 X 123 409,200 12,800 96,700
COMPUTER SCIENCE CORP COMMON 205363104 591 8,400 X 123 3,000 5,400
COMPUWARE CORP COMMON 205638109 104 4,000 X 123 4,000
COMVERSE TECHNOLOGY INC COMMON 205862402 241 2,560 X 123 1,060 1,500
CONAGRA INC COMMON 205887102 1,063 47,100 X 123 1,800 45,300
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 7 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
CONCENTRIC NETWORK CORP COMMON 20589R107 5,117 251,900 X 123 193,600 24,100 34,200
CONCORD EFS INC COMMON 206197105 29,581 1,434,250 X 123 556,500 877,750
CONECTIV INC COMMON 206829103 30 1,540 X 123 1,540
CONEXANT SYSTEMS INC COMMON 207142100 529 7,280 X 123 4,700 2,580
CONMED CORP COMMON 207410101 13,563 553,600 X 123 439,775 12,800 101,025
CONOCO INC CL A COMMON 208251306 107,859 3,886,805 X 123 2,237,115 3,100 1,646,590
CONOCO INC -CL B COMMON 208251405 21,530 786,489 X 123 495,001 291,488
CONSECO INC COMMON 208464107 3,925 206,600 X 123 191,900 14,700
CONSOLIDATED EDISON INC COMMON 209115104 1,163 28,015 X 123 11,405 16,610
CONSOLIDATED FREIGHTWAYS CORP COMMON 209232107 41 4,150 X 123 4,150
CONSOLIDATED NATURAL GAS COMMON 209615103 98,075 1,572,352 X 123 957,450 1,200 613,702
CONSOLIDATED PAPERS INC COMMON 209759109 3,827 142,400 X 123 127,600 14,800
CONSOLIDATED STORES CORP COMMON 210149100 12,444 564,030 X 123 439,500 124,530
CONSTELLATION ENERGY GROUP COMMON 210371100 189 6,737 X 123 6,737
CONTINENTAL AIRLINES -CL B COMMON 210795308 1,562 47,700 X 123 35,400 12,300
CONVERGYS CORP COMMON 212485106 81 4,100 X 123 400 3,700
COOPER CAMERON CORP COMMON 216640102 26,343 697,815 X 123 451,915 800 245,100
COOPER INDS INC COMMON 216669101 19 400 X 123 400
COOPER TIRE & RUBBER COMMON 216831107 181 10,250 X 123 10,250
COORS (ADOLPH) CL B COMMON 217016104 6,829 126,175 X 123 82,885 43,290
COR THERAPEUTICS COMMON 217753102 9,046 476,100 X 123 366,400 46,700 63,000
CORDANT TECHNOLOGIES INC COMMON 218412104 9,466 311,000 X 123 247,600 5,300 58,100
CORN PRODUCTS INTERNATIONAL COMMON 219023108 7,016 230,501 X 123 183,751 5,300 41,450
CORNING INC COMMON 219350105 2,784 40,609 X 123 7,500 33,109
CORTECH INC COMMON 22051J308 1 200 X 123 200
COST PLUS INC CALIFORNIA COMMON 221485105 26,709 550,700 X 123 415,050 59,300 76,350
COSTCO WHOLESALE CORP COMMON 22160K105 266 3,700 X 123 2,500 1,200
COUNTRYWIDE CREDIT IND INC COMMON 222372104 30,680 951,325 X 123 804,525 29,500 117,300
COVANCE INC COMMON 222816100 48 4,950 X 123 2,850 2,100
COX COMMUNICATIONS INC -CL A COMMON 224044107 167 4,000 X 123 4,000
COX RADIO INC -CL A COMMON 224051102 250 4,200 X 123 4,200
CRANE CO COMMON 224399105 9,851 439,050 X 123 324,600 114,450
CRAY RESEARCH SUB DEB CONV CV BND 225224AA2 21,355 350,079 X 12356 317,618 19,872 12,589
CREE RESEARCH INC COMMON 225447101 19,745 581,800 X 123 442,700 57,000 82,100
CROSS TIMBERS OIL CO COMMON 227573102 1,635 121,100 X 123 90,500 30,600
CROWN CORK & SEAL CO INC COMMON 228255105 735 30,300 X 123 18,200 12,100
CRYOLIFE INC COMMON 228903100 18 1,400 X 123 1,400
CUMULUS MEDIA INC -CL A COMMON 231082108 20,113 615,300 X 123 476,200 58,000 81,100
CYBERSOURCE CORP COMMON 23251J106 7,913 142,900 X 123 107,800 15,550 19,550
CYBERONICS COMMON 23251P102 10,646 595,600 X 123 457,100 59,700 78,800
CYPRESS SEMICONDUCTOR COMMON 232806109 1,745 81,150 X 123 56,800 24,350
CYPRUS AMAX MINERALS CO COMMON 232809103 26 1,342 X 123 1,342
CYTEC INDS COMMON 232820100 9,120 388,066 X 123 306,400 9,100 72,566
CYTOGEN CORP COMMON 232824102 58 28,800 X 123 28,800
CYTYC CORP COMMON 232946103 11,177 288,900 X 123 277,400 11,500
DII GROUP INC COMMON 232949107 3 80 X 123 80
DQE INC COMMON 23329J104 20,758 530,555 X 123 219,025 311,530
DTE ENERGY CO COMMON 233331107 69 1,900 X 123 1,500 400
DVI INC COMMON 233343102 4,822 294,500 X 123 233,900 7,000 53,600
DAILY MAIL & GENERAL TST NV COMMON 2338099A2 158 3,000 X 123 3,000
DAISYTEK INTL CORP COMMON 234053106 10,021 712,600 X 123 569,100 16,000 127,500
DALLAS SEMICONDUCTOR CORP COMMON 235204104 87 1,620 X 123 1,620
DAMARK INTL COMMON 235691102 12 1,200 X 123 1,200
DANA CORP COMMON 235811106 106,372 2,865,245 X 123 1,915,010 21,400 928,835
DANAHER CORP COMMON 235851102 19,112 362,739 X 123 143,778 218,961
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 8 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
DARDEN RESTAURANTS INC COMMON 237194105 227 11,600 X 123 4,300 7,300
DATA DIMENSIONS INC COMMON 237654207 2 1,480 X 123 1,480
DATA GENERAL CORP CVT SUB NTS CV BND 237688AG1 112,345 1,085,460 X 123 947,071 106,703 31,686
DAYTON HUDSON CORP COMMON 239753106 12,693 211,336 X 123 45,134 166,202
DEAN FOODS COMMON 242361103 8,726 200,300 X 123 134,700 65,600
DECORA INDS INC COMMON 243593308 2 300 X 123 300
DEERE & CO COMMON 244199105 17,682 457,035 X 123 284,765 172,270
DELAWARE GRP TAX FREE USA FD COMMON 245909106 45 4,202 X 123 4,202
DELHAIZE AMERICA INC COMMON 246688105 11 533 X 123 533
DELL COMPUTER CORP COMMON 247025109 52,575 1,257,395 X 123 553,800 703,595
DELPHI AUTOMOTIVE SYSTEMS COMMON 247126105 5,522 343,746 X 123 204,880 26,100 112,766
DELPHI FINL GROUP COMMON 247131105 1,082 35,844 X 123 26,522 9,322
DELTA & PINE LAND CO COMMON 247357106 21 800 X 123 800
DELUXE CORP COMMON 248019101 7,796 229,300 X 123 199,000 30,300
DENDRITE INTL COMMON 248239105 24,079 509,600 X 123 391,500 50,850 67,250
DENTSPLY INTERNATIONAL INC COMMON 249030107 5,617 246,900 X 123 192,300 4,700 49,900
DEVELOPERS DIVERS REALTY COMMON 251591103 8,349 596,370 X 123 370,120 6,450 219,800
DEVON ENERGY CORP COMMON 25179M103 2,568 61,980 X 123 45,900 16,080
DEXTER CORP COMMON 252165105 11,433 306,400 X 123 235,800 8,600 62,000
DIAL CORP COMMON 25247D101 125 4,900 X 123 4,900
DIAMOND OFFSHORE CVT SUB NTS CV BND 25271CAA0 44,864 427,781 X 123 411,732 16,049
DIAMOND OFFSHORE DRILLING COMMON 25271C102 784 23,500 X 123 14,500 9,000
DIAMOND TECH PARTNERS INC COMMON 252762109 13,763 306,700 X 123 239,100 32,800 34,800
DIEBOLD INC COMMON 253651103 6,135 265,300 X 123 209,200 4,200 51,900
DIGI INTERNATIONAL INC COMMON 253798102 66 6,067 X 123 6,067
DILLARDS INC CL A COMMON 254067101 11,504 566,350 X 123 239,850 326,500
THE WALT DISNEY CO COMMON 254687106 70,503 2,711,666 X 123 1,550,684 15,400 1,145,582
DITECH COMMUNICATIONS COMMON 25500M103 7,880 150,100 X 123 115,300 15,000 19,800
DIXIE GROUP INC CVT SUB DEBS CV BND 255519AA8 7,679 99,085 X 123 80,701 6,863 11,521
DOMINION RES BLACK WARRIOR COMMON 25746Q108 132 9,000 X 123 9,000
DOMINION RES INC VA COMMON 257470104 456 10,100 X 123 3,200 6,900
DLJDIRECT COMMON 257661504 21 1,370 X 123 1,370
DONNELLEY RR & SONS CO COMMON 257867101 1,074 37,208 X 123 4,500 32,708
DOUBLECLICK INC COMMON 258609304 155 1,300 X 123 1,300
DOVER CORP COMMON 260003108 3,062 74,908 X 123 34,300 40,608
DOW CHEMICAL COMMON 260543103 113,572 999,537 X 123 680,420 16,900 302,217
DOW JONES & CO INC COMMON 260561105 43 800 X 123 800
DRUGSTORE.COM INC COMMON 262241102 2,451 67,600 X 123 45,000 9,200 13,400
DUPONT E I COMMON 263534109 43,562 720,033 X 123 420,751 16,900 282,382
DUKE ENERGY CORP COMMON 264399106 299 5,431 X 123 2,600 2,831
DUN & BRADSTREET CORP COMMON 26483B106 30,580 1,023,610 X 123 660,060 1,300 362,250
DURA AUTOMOTIVE SYSTEMS COMMON 265903104 8 320 X 123 320
DURA PHARMACEUTICALS CVT NTS CV BND 26632SAA7 165,892 2,157,942 X 1236 1,840,362 250,139 67,441
DURA PHARMACEUTICALS INC COMMON 26632S109 3,287 235,800 X 123 185,700 5,800 44,300
ECI TELECOM LTD COMMON 268258100 4,240 171,725 X 123 169,625 2,100
EG&G INC COMMON 268457108 80 2,006 X 123 2,006
EMC CORP COMMON 268648102 119,291 1,671,321 X 123 838,645 9,600 823,076
ENSCO INTL INC COMMON 26874Q100 2,863 158,495 X 123 105,100 53,395
EOG RESOURCES INC COMMON 26875P101 30 1,400 X 123 1,400
E PIPHANY INC COMMON 26881V100 8,604 176,500 X 123 134,600 18,500 23,400
EVI INC CVT PFD 5% CV PFD 268939402 16,925 460,554 X 1236 443,367 17,187
E-TEK DYNAMICS INC COMMON 269240107 250 4,600 X 123 4,600
EARTHGRAINS CO COMMON 270319106 6,668 301,374 X 123 240,930 6,300 54,144
EASTERN UTILITIES ASSOCIATES COMMON 277173100 134 4,500 X 123 4,500
EASTMAN CHEMICAL CO COMMON 277432100 10 262 X 123 262
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 9 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
EASTMAN KODAK COMMON 277461109 17,362 229,584 X 123 170,359 8,000 51,225
EATON CORP COMMON 278058102 132,616 1,536,459 X 123 876,631 1,300 658,528
ECHELON CORP COMMON 27874N105 11 1,500 X 123 1,500
EDISON INTERNATIONAL COMMON 281020107 3,740 153,815 X 123 92,800 61,015
EDO CORP CVT SUB DEBS CV BND 281347AB0 81,927 1,011,445 X 12356 890,992 61,363 59,090
J D EDWARDS & CO COMMON 281667105 7,787 375,850 X 123 276,700 3,800 95,350
EINSTEIN/NOAH BAGEL CVT DEBS CV BND 282577AC9 98,297 1,890,335 X 123 1,622,102 194,116 74,117
EL PASO ENERGY CORP COMMON 283905107 2,569 63,826 X 123 47,194 16,632
ELAN CORP PLC SPONS ADR COMMON 284131208 582 17,326 X 123 17,326
ELECTRONIC DATA SYSTEMS CORP COMMON 285661104 21,689 409,700 X 123 358,200 10,500 41,000
EMERSON ELECTRIC CO COMMON 291011104 70,870 1,121,573 X 123 665,215 1,100 455,258
EMMIS BROADCASTING CORP COMMON 291525103 12,149 183,900 X 123 177,500 6,400
EMPRESAS ICA SOC SUB DEB CONV CV BND 292448AC1 151,496 2,567,723 X 1235 2,214,181 198,038 155,504
EMULEX CORP COMMON 292475209 28,261 329,100 X 123 255,100 29,600 44,400
ENDESA -SPONSORED ADR COMMON 29258N107 329 17,200 X 123 17,200
ENDOSONICS CORP COMMON 29264K105 7,523 885,000 X 123 704,900 20,800 159,300
ENERGY EAST CORP COMMON 29266M109 5,042 212,300 X 123 153,900 58,400
ENERGY FACTORS CVT DEBS CV BND 292667AB8 168 2,020 X 123 2,020
ENGAGE TECHNOLGIES INC COMMON 292827102 43 1,140 X 123 1,140
ENNIS BUSINESS FORMS COMMON 293389102 1,859 209,500 X 123 144,800 11,100 53,600
ENRON CORP COMMON 293561106 10,099 245,950 X 123 158,850 1,000 86,100
ENTERCOM COMMUNICATIONS CORP COMMON 293639100 11,794 327,600 X 123 258,200 26,600 42,800
ENTERGY CORP NEW COMMON 29364G103 127 4,400 X 123 1,400 3,000
ENTERTAINMENT PPTYS COMMON 29380T105 66 4,510 X 123 4,510
ENZON INC COMMON 293904108 6,765 221,800 X 123 169,400 22,800 29,600
EQUIFAX INC COMMON 294429105 285 10,150 X 123 600 9,550
EQUITY RESIDENTIAL PROPS TR COMMON 29476L107 4,153 98,000 X 123 60,800 37,200
EQUITY RES PROP CVT PFD G 7.25 CV PFD 29476L859 1,646 79,330 X 123 76,555 2,775
ETHYL CORP COMMON 297659104 581 150,000 X 123 150,000
ETOYS INC COMMON 297862104 160 2,400 X 123 2,400
COMPAGNIE DE SAINT-GOBAIN COMMON 2983XEUR7 131 700 X 123 700
NOKIA OYJ COMMON 29849EUR2 108 1,200 X 123 1,200
STORA ENSO OYJ -R SHS COMMON 29850EUR8 93 7,000 X 123 7,000
LOXLEY PUBLIC CO EURO CONV CV BND 2987009J6 101,059 3,742,942 X 1235 3,487,834 18,666 236,442
ADVANCE AGRO PUB EURO CONV CV BND 2987009L1 811,895 9,781,868 X 1236 8,130,971 965,488 685,409
BANPU PUBLIC CO EURO CONV CV BND 2987009M9 143,360 1,624,477 X 12356 1,476,138 18,410 129,929
TOTAL ACCESS COMMUN EURO CVT CV BND 2987009U1 105,585 1,085,703 X 123 949,991 88,094 47,618
SSANGYONG OIL REFNG SUB CONV CV BND 2987010A2 31,909 479,831 X 123 387,974 36,191 55,666
THERMO TERRATECH EURO CVT CV BND 2987010H7 85,256 1,014,957 X 123 967,789 47,168
SAMSUNG DISPLAY DEVICES CONV CV BND 2987010Z7 4,270 38,639 X 123 34,753 3,886
BURNS PHILP EURO CVT CV BND 2987020Q5 437,123 8,571,039 X 1236 8,074,999 39,161 456,879
SIAM COMMERCIAL BK EURO CONV CV BND 2987020R3 85,977 1,884,423 X 123 1,512,340 142,890 229,193
FEDERAL RLTY INVS TR CONV EURO CV BND 2987021Q4 326,851 3,756,911 X 123 3,618,023 138,888
FMC CORP EURO CONV CV BND 2987021Z4 161,907 1,882,637 X 123 1,882,637
MBI FINANCE LTD EURO CONV CV BND 2987022N0 16,866 209,513 X 123 209,513
CML GROUP CVT EURO CV BND 2987023T6 71 565,771 X 123 479,919 56,913 28,939
ROCKEFELLER CTR PPTYS EURO CV CV BND 2987023W9 1,957,322 23,163,570 X 123 19,604,284 3,305,956 253,330
SAPPI FINANCE EURO CONV CV BND 2987024I9 184,074 1,958,233 X 123 1,557,761 165,465 235,007
FLI CAPITAL C I REG EURO CVT CV BND 2987027A3 1,473,299 14,031,421 X 123 14,031,421
BANGKOK BANK PUB EURO CVT CV BND 2987027D7 575,170 12,369,240 X 1235 11,097,002 563,301 708,937
OGDEN CORP SUB DEB CONV EURO CV BND 298703018 70,889 819,527 X 1236 794,513 25,014
OGDEN CORP CVT SUB EURO CV BND 298703026 20,675 239,012 X 123 222,378 16,634
SIAM COMMERCIAL BANK FOR REG COMMON 2987038G7 162 197,000 X 123 197,000
SAMSUNG ELEC REGS EURO CVT SK CV BND 2987039B7 42,958 341,614 X 12356 286,528 38,538 16,548
THERMEDICS INC CVT COMP GUAR CV BND 2987042N6 4,533 67,155 X 123 56,448 10,707
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 10 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
PILTEL INTL HLDG CORP CVT CV BND 2987042X4 262,933 4,780,609 X 123 4,437,488 343,121
TELEKOM MALAYSIA EURO CVT CV BND 2987043F2 1,194,552 14,545,530 X 123 12,629,060 511,878 1,404,592
STB CAYMEN CAP EURO CVT CV BND 2987043P0 212 134,000 X 123 134,000
SSANGYONG OIL EURO CVT DEBS CV BND 2987043U9 8,143 72,789 X 123 72,789
APP FINANCE VII CVT REGS CV BND 2987043V7 153,390 3,067,803 X 1236 2,872,792 26,195 168,816
SIAM COMMERCIAL BK PFD 144A COMMON 298705138 397 443,000 X 123 150,000 150,000 143,000
SIAM COMMERCIAL BK WARRANTS WTS 298705146 127 443,000 X 123 150,000 150,000 143,000
SOFTBANK CORP COMMON 298705310 114 300 X 123 300
NEW WORLD DEVELOPMENT COMMON 298705328 61 28,000 X 123 28,000
DAH SING FINANCIAL COMMON 298705336 90 22,400 X 123 22,400
NATSTEEL ELECTRONICS LTD COMMON 298705351 75 20,000 X 123 20,000
PT INDAH KIAT PULP & PAPER COMMON 29871A136 4,221 11,823,000 X 123 3,169,000 8,654,000
TOTAL ACCESS COMMUNICATION COMMON 29871A151 986 516,000 X 123 256,000 260,000
SAKURA BANK LTD COMMON 29871A367 38 5,100 X 123 5,100
MATAV RT COMMON 29871A466 92 17,000 X 123 17,000
TENAGA NASIONAL BERHAD COMMON 29871A482 910 443,100 X 123 435,100 8,000
DATATEC LIMITED COMMON 29871A540 1,014 110,099 X 123 110,099
REGENT PACIFIC GROUP LTD COMMON 29871A557 30 150,000 X 123 150,000
SOGECABLE COMMON 29871A656 115 4,200 X 123 4,200
BILLITON PLC COMMON 29871A730 25 6,000 X 123 6,000
COLT TELECOM GROUP COMMON 29871A748 560 24,000 X 123 24,000
FUJITSU LTD COMMON 29871A755 94 3,000 X 123 3,000
ORIX CORP COMMON 29871A771 98 800 X 123 800
TALISMAN ENERGY INC COMMON 29871A789 78 2,600 X 123 2,600
PACIFIC CENTURY CYBERWORKS COMMON 29871A797 102 121,000 X 123 121,000
UNITED PAN-EUROPE COMM COMMON 29871EUR3 93 1,500 X 123 1,500
EVEREST REINSURANCE HLDGS INC COMMON 299808105 3,884 163,125 X 123 63,975 99,150
EXAR CORP COMMON 300645108 85 2,275 X 123 2,275
EXIDE CORP SR SUB CVT P/P 144A CV BND 302051AF4 113,433 1,947,342 X 1235 1,797,347 113,925 36,070
EXODUS COMMUNICATIONS INC COMMON 302088109 216 3,000 X 123 2,800 200
EXPEDITORS INTL WASH INC COMMON 302130109 263 8,200 X 123 8,200
EXPRESS SCRIPTS INC CL A COMMON 302182100 290 3,700 X 123 3,700
EXXON COMMON 302290101 276,203 3,634,255 X 123 2,264,545 30,300 1,339,410
FPA PARAMOUNT FUND COMMON 302546106 64 6,723 X 123 6,723
FPA PERENNIAL FUND COMMON 302548102 92 4,211 X 123 4,211
FPL GROUP INC COMMON 302571104 537 10,659 X 123 700 9,959
FAMILY DOLLAR STORES INC COMMON 307000109 203 9,600 X 123 5,600 4,000
FARMER BROS CO COMMON 307675108 17 100 X 123 100
FDX CORP COMMON 31304N107 2,254 57,990 X 123 22,800 5,400 29,790
FREDDIE MAC COMMON 313400301 50,533 971,795 X 123 696,727 9,400 265,668
FANNIE MAE COMMON 313586109 119,504 1,906,331 X 123 1,054,138 1,400 850,793
FEDERAL REALTY INVS TR COMMON 313747206 168 8,000 X 123 8,000
FEDERAL SIGNAL CORP COMMON 313855108 12,179 612,800 X 123 484,300 10,900 117,600
FEDERATED DEPT STORES COMMON 31410H101 105,071 2,405,040 X 123 1,398,280 2,100 1,004,660
FEDERATED INVESTORS INC CL B COMMON 314211103 15,742 912,600 X 123 720,500 18,400 173,700
FERRO CORP COMMON 315405100 7,579 355,600 X 123 281,700 8,300 65,600
FIDELITY SPART US EQ INDEX COMMON 315911206 306 6,711 X 123 6,711
FIDELITY SPART TOTAL MKT IDX COMMON 315911404 989 30,268 X 123 30,268
FIDELITY SPART MARKET INDEX COMMON 315912204 549 6,179 X 123 4,363 1,816
FIDELITY CONTRAFUND COMMON 316071109 17 290 X 123 290
FIDELITY REAL ESTATE INVST COMMON 316138205 182 12,398 X 123 12,398
FIDELTIY EQUITY INC II FD COMMON 316145101 46 1,550 X 123 1,550
FIDELITY SELECT TECH FD COMMON 316390202 18 177 X 123 177
FIELDCREST CANNON CVT SUB DEBS CV BND 316549AB0 23,665 353,206 X 123 295,695 49,038 8,473
FIFTH THIRD BANCORP COMMON 316773100 1,766 29,019 X 123 29,019
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 11 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
FILENET CORP COMMON 316869106 3,449 322,700 X 123 255,800 6,600 60,300
FINOVA GROUP INC COMMON 317928109 85,161 2,333,185 X 123 1,359,004 2,000 972,181
FIRST AMERICAN CORP TENN COMMON 318900107 196 4,496 X 123 4,496
FIRST DATA CORP COMMON 319963104 59,202 1,349,340 X 123 853,425 13,700 482,215
FIRST DEFIANCE FINL CORP COMMON 32006W106 40 3,450 X 123 3,450
FIRST NATL BANCORP ILL COMMON 320920101 1,089 13,440 X 123 13,440
FST HLTH GRP COMMON 320960107 6,121 272,800 X 123 217,800 6,000 49,000
FIRST SECURITY CORP DEL COMMON 336294103 309 13,000 X 123 13,000
FIRST STERLING BANKS COMMON 337094106 73 7,907 X 123 7,907
FIRST TENN NATL COR COMMON 337162101 1,386 49,292 X 123 14,600 34,692
FIRST UNION CORP COMMON 337358105 615 17,274 X 123 15,273 2,001
FIRST VIRGINIA BKS COMMON 337477103 118 2,700 X 123 450 2,250
FIRSTAR CORP COMMON 33763V109 12,518 488,497 X 123 87,700 400,797
FISERV INC COMMON 337738108 6,124 188,440 X 123 77,275 111,165
FIRSTMERIT CORP COMMON 337915102 7,866 310,000 X 123 266,800 43,200
FLEET FINL GROUP INC COMMON 338915101 200,097 5,463,399 X 123 3,486,599 35,300 1,941,500
FLORIDA PROGRESS CORP COMMON 341109106 51 1,100 X 123 600 500
FLUOR CORP COMMON 343861100 270 6,700 X 123 6,700
FOOTSTAR INC COMMON 344912100 52 1,468 X 123 1,468
FORD MOTOR COMPANY COMMON 345370100 2,844 56,590 X 123 7,200 49,390
FOREST LABS COMMON 345838106 253 6,000 X 123 4,000 2,000
FORT JAMES CORP COMMON 347471104 59 2,200 X 123 2,200
FOUNDATION HEALTH SYSTEMS CL A COMMON 350404109 4,438 470,200 X 123 363,800 7,900 98,500
FOUNDRY NETWORKS COMMON 35063R100 4,410 35,000 X 123 15,200 9,800 10,000
FOX ENTERTAINMENT GRP COMMON 35138T107 4 200 X 123 200
FRANCE GROWTH FUND COMMON 35177K108 3 225 X 123 225
FRANKLIN (AGE) HI INC CL I COMMON 353538101 2 966 X 123 966
FRANKLIN RESOURCES INC COMMON 354613101 66 2,150 X 123 800 1,350
FRANKLIN NATURAL RES FD COMMON 354713604 48 3,534 X 123 3,534
FRANKLIN SM CAP GROWTH FD COMMON 354713802 34 1,257 X 123 1,257
FRED'S INC COMMON 356108100 1,134 92,100 X 123 63,300 5,000 23,800
FRESENIUS MEDICAL CARE ADR COMMON 358029106 28 1,258 X 123 1,258
FRIEDMAN BILLINGS RAMSEY -A COMMON 358433100 24 3,500 X 123 1,500 2,000
FRISCO BAY INDS LTD COMMON 358751105 2 1,000 X 123 1,000
FULTON FIN CORP COMMON 360271100 10 508 X 123 508
FURNITURE BRANDS INTL INC COMMON 360921100 3,840 195,035 X 123 152,435 4,600 38,000
GTE CORP COMMON 362320103 249,182 3,241,390 X 123 2,032,432 24,500 1,184,458
GABELLI GLOBAL MUTIMEDIA TR COMMON 36239Q109 1 X 123 1
GABELLI EQUITY TRUST COMMON 362397101 19 X 123 19
GADZOOX NETWORKS INC COMMON 362555104 6,481 120,300 X 123 104,900 13,100 2,300
GALLAGHER A J COMMON 363576109 9,212 173,000 X 123 135,700 4,200 33,100
GANNETT CO COMMON 364730101 3,743 54,100 X 123 30,600 23,500
GAP INC COMMON 364760108 428 13,375 X 123 13,375
GARDNER DENVER INC COMMON 365558105 2,839 187,700 X 123 137,500 10,900 39,300
GARTNER GROUP INC CL B COMMON 366651206 198 11,890 X 123 1,667 10,223
GATEWAY INC COMMON 367626108 5,009 113,850 X 123 89,450 24,400
GAYLORD CONTAINER CORP CL A COMMON 368145108 1,820 255,400 X 123 175,000 14,300 66,100
GELTEX PHARMACEUTICALS COMMON 368538104 13 1,200 X 123 1,200
GENCORP INC COMMON 368682100 6,615 361,200 X 123 280,000 6,500 74,700
GENENTECH INC COMMON 368710406 205 1,400 X 123 1,400
GENERAL COMMUNICATIONS CL A COMMON 369385109 150 28,800 X 123 28,800
GENERAL DYNAMICS CORP COMMON 369550108 5,073 81,255 X 123 49,900 31,355
GENERAL ELECTRIC CO COMMON 369604103 143,812 1,212,961 X 123 554,513 13,012 645,436
GENERAL INSTRUMENT CORP COMMON 370120107 38 800 X 123 800
GENERAL MILLS INC COMMON 370334104 2,374 29,263 X 123 9,100 20,163
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 12 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
GENERAL MOTORS CORP COMMON 370442105 133,722 2,124,655 X 123 1,225,673 9,700 889,282
GEN MOTORS CL H COMMON 370442832 21,763 380,140 X 123 323,390 10,500 46,250
GENESCO INC COMMON 371532102 1,734 138,755 X 123 96,955 7,200 34,600
GENESYS TELECOM LABS COMMON 371931106 37,588 822,700 X 123 629,500 83,850 109,350
GENUINE PARTS COMMON 372460105 142 5,332 X 123 225 5,107
GENZYME CORP -GENL DIV COMMON 372917104 225 5,000 X 123 5,000
GENZYME CORP TISSUE REPAIR COMMON 372917401 60 X 123 60
GENZYME -MOLECULAR ONCOLOGY COMMON 372917500 1 216 X 123 216
GENZYME SURGICAL PRODUCTS COMMON 372917609 2 358 X 123 358
GEORGIA GULF CORP COMMON 373200203 92 5,200 X 123 5,200
GEORGIA PACIFIC GROUP COMMON 373298108 3,615 89,394 X 123 61,400 27,994
GA PAC TIMBER GRP COMMON 373298702 41,882 1,830,897 X 123 1,156,995 1,500 672,402
GIANT CEMENT HLD INC COMMON 374450104 9,772 426,000 X 123 340,200 9,900 75,900
GILLETTE CO COMMON 375766102 16,448 484,654 X 123 263,810 18,400 202,444
GLAXO WELLCOME PLC ADR COMMON 37733W105 1,492 28,700 X 123 11,900 16,800
GLOBAL INDUSTRIES LTD COMMON 379336100 7,286 896,785 X 123 705,485 22,200 169,100
GLOBAL MARINE INC COMMON 379352404 3,072 186,865 X 123 119,315 67,550
GLYCOMED INC SUB DEB CONV CV BND 380002AA3 76,481 968,108 X 1235 718,302 216,814 32,992
GOLDEN STATE BANCORP COMMON 381197102 3,925 218,800 X 123 148,500 70,300
GOLDMAN SACHS GROUP COMMON 38141G104 4,590 75,251 X 123 44,979 3,800 26,472
GOODRICH (B.F.) CO COMMON 382388106 17 575 X 123 575
GOVTS SECS INC FD GNMA F COMMON 383743598 2 48,169 X 123 48,169
GRACE W R & CO COMMON 38388F108 29,732 1,815,725 X 123 1,100,875 714,850
GRACO INC COMMON 384109104 3 87 X 123 87
GRADCO SYSTEMS INC COMMON 384111100 93 X 123 93
GRAINGER W W COMMON 384802104 356 7,400 X 123 2,000 5,400
GREAT ATLANTIC & PAC TEA COMMON 390064103 2,258 74,500 X 123 52,100 1,400 21,000
GREAT LAKES CHEMICAL COMMON 390568103 4,198 110,300 X 123 90,300 20,000
GREER STATE BANK SC COMMON 397505108 24 1,000 X 123 1,000
GROUP 1 SOFTWARE INC COMMON 39943Y103 24 X 123 24
GUIDANT CORP COMMON 401698105 44,918 837,634 X 123 310,194 4,100 523,340
GULF CANADA RES LTD -ORD COMMON 40218L305 52 12,500 X 123 12,500
GYMBOREE CORP COMMON 403777105 1,341 195,000 X 123 144,600 50,400
HMT TECH CVT SUB NTS CV BND 403917AD9 28,154 750,761 X 123 669,710 68,420 12,631
H & Q HEALTHCARE INVESTORS FD COMMON 404052102 375 22,986 X 123 22,986
HCC INSURANCE HLDGS COMMON 404132102 10,315 613,500 X 123 479,000 12,400 122,100
HRPT PROPERTIES TRUST COMMON 40426W101 117 10,400 X 123 10,000 400
HADCO CORP COMMON 404681108 10,211 236,100 X 123 184,400 5,800 45,900
HALLIBURTON CO COMMON 406216101 34,232 834,937 X 123 562,260 19,000 253,677
HAMILTON BANCORP INC COMMON 407013101 3,058 143,900 X 123 99,400 7,700 36,800
JOHN HANCOCK REGIONAL BK -B COMMON 409905205 74 1,625 X 123 1,625
HANNAFORD BROTHERS CO COMMON 410550107 9,136 129,700 X 123 101,700 2,900 25,100
HARBOR FEDERAL BANCORP COMMON 41151A108 9 660 X 123 660
HARCOURT GENERAL COMMON 41163G101 3,452 82,930 X 123 51,000 31,930
HARLAND (JOHN H) CO COMMON 412693103 4,922 253,200 X 123 174,700 13,400 65,100
HARLEY DAVIDSON COMMON 412822108 776 15,500 X 123 3,700 11,800
HARMAN INTERNATIONAL COMMON 413086109 12,270 291,700 X 123 229,400 7,100 55,200
HARMONIC INC COMMON 413160102 12,362 94,500 X 123 72,300 9,700 12,500
HARNISCHFEGER INDS COMMON 413345109 7 7,000 X 123 7,000
HARRAH'S ENTERTAINMENT INC COMMON 413619107 257 9,250 X 123 6,050 3,200
OAKMARK INTL FUND COMMON 413838202 456 32,656 X 123 32,656
HARRIS CORP COMMON 413875105 42,554 1,540,403 X 123 950,295 1,000 589,108
HARSCO CORP COMMON 415864107 5,630 203,800 X 123 155,100 3,200 45,500
HARTE-HANKS INC COMMON 416196103 9,201 365,300 X 123 290,300 8,500 66,500
HARTFORD FINANCIAL SVCS GRP COMMON 416515104 21,081 515,738 X 123 320,938 194,800
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 13 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
THE HARTFORD CAPITAL APPREC B COMMON 416645505 56 2,313 X 123 2,313
HASBRO INC COMMON 418056107 124,694 5,799,712 X 123 3,744,459 55,500 1,999,753
HEALTH CARE PPTYS INV COMMON 421915109 4,656 177,375 X 123 118,600 1,000 57,775
HEALTHSOUTH CVT SUB DEBS CV BND 421924AF8 175,469 2,278,815 X 12356 2,184,620 68,258 25,937
HEALTHSOUTH CORP COMMON 421924101 16,223 2,648,700 X 123 2,318,600 85,200 244,900
HEALTHCARE REALTY TRUST COMMON 421946104 13,818 736,943 X 123 581,205 15,577 140,161
HEINZ H J COMMON 423074103 181 4,200 X 123 300 3,900
HENRY (JACK) & ASSOCIATES COMMON 426281101 60 1,625 X 123 1,625
HERSHEY FOODS CORP COMMON 427866108 219 4,500 X 123 4,500
HEWLETT-PACKARD CO COMMON 428236103 12,276 135,270 X 123 66,495 4,800 63,975
HEXCEL SUB DEB CONV CV BND 428290AA8 37,991 542,726 X 123 469,161 67,544 6,021
HEXCEL CORP CVT SUB NTS CV BND 428291AA6 94,429 1,259,055 X 123 1,045,584 181,846 31,625
HI/FN INC COMMON 428358105 20,826 188,900 X 123 144,500 19,600 24,800
HIBERNIA CORP LA CL A COMMON 428656102 23 2,000 X 123 2,000
HILLENBRAND INDUSTRIES COMMON 431573104 53 2,000 X 123 800 1,200
HINES HORTICULTURE INC COMMON 433245107 6 600 X 123 600
HISPANIC BRODCASTING CO COMMON 43357B104 266 3,500 X 123 3,500
HOLLYWOOD PARK INC COMMON 436255103 7 475 X 123 475
HOLOGIC INC COMMON 436440101 4 870 X 123 870
HOME DEPOT INC COMMON 437076102 28,096 409,418 X 123 224,764 184,654
HOMESTORE.COM COMMON 437852106 113 2,700 X 123 2,700
HON INDUSTRIES COMMON 438092108 2,870 149,100 X 123 131,100 18,000
HONEYWELL COMMON 438506107 1,985 17,836 X 123 4,200 4,400 9,236
HOUGHTON MIFFLIN CO COMMON 441560109 49 1,200 X 123 1,200
HOUSEHOLD INTL INC COMMON 441815107 4,967 123,782 X 123 55,644 68,138
HUBBELL INC CL B COMMON 443510201 511 16,034 X 123 16,034
HUDSON UNITED BANCORP COMMON 444165104 15,178 492,600 X 123 386,300 10,600 95,700
HUMANA INC COMMON 444859102 10 1,500 X 123 1,500
HUMAN GENOME SCIENCES INC COMMON 444903108 140 1,900 X 123 1,900
HUNT (JB) TRANSPORT SVCS COMMON 445658107 12 900 X 123 900
HUNTINGTON BANCSHARES COMMON 446150104 1,838 69,177 X 123 40,797 28,380
HUSSMANN INTERNATIONAL INC COMMON 448110106 12,545 737,950 X 123 586,050 14,000 137,900
HUTCHINSON TECH COMMON 448407106 7,722 286,000 X 123 226,200 6,500 53,300
HVIDE CAPITAL TR 6.5% CVT PFD CV PFD 448513408 3,676 1,838,108 X 1235 1,659,814 130,059 48,235
ICN PHARMACEUTICALS INC COMMON 448924100 9 550 X 123 550
IBP INC COMMON 449223106 990 40,100 X 123 23,300 16,800
ICOS CORPORATION COMMON 449295104 7,015 237,800 X 123 175,300 23,400 39,100
IDEC PHARMACEUTICALS CORP COMMON 449370105 2,793 29,700 X 123 12,200 8,500 9,000
IMC GLOBAL INC COMMON 449669100 1,277 87,700 X 123 76,300 11,400
IMCO RECYCLING INC COMMON 449681105 3,564 237,600 X 123 171,800 11,300 54,500
IMS HEALTH INC COMMON 449934108 18,093 793,121 X 123 484,570 308,551
ITC DELTACOM INC COMMON 45031T104 22,369 813,400 X 123 608,000 66,900 138,500
ITI TECHNOLOGIES INC COMMON 450564109 3,292 109,500 X 123 75,700 5,800 28,000
ITLA CAPITAL CORP COMMON 450565106 52 3,500 X 123 3,500
ITT EDUCATIONAL SVCS COMMON 45068B109 7,082 363,200 X 123 287,400 8,800 67,000
IXC COMMUNICATIONS COMMON 450713102 4,466 113,250 X 123 72,300 40,950
ITT INDS INC COMMON 450911102 22 679 X 123 379 300
IDACORP INC COMMON 451107106 3,663 121,600 X 123 91,600 30,000
ILLINOIS TOOL WORKS INC COMMON 452308109 1,687 22,625 X 123 3,600 19,025
IMATION CORP COMMON 45245A107 24 770 X 123 29 741
IMMUNEX CORP COMMON 452528102 9 200 X 123 200
IMPERIAL BANCORP COMMON 452556103 955 44,920 X 123 36,320 8,600
IMPERIAL CREDIT INDUSTRIES COMMON 452729106 7,069 1,615,802 X 123 1,278,502 38,700 298,600
IMPERIAL OIL COMMON 453038408 1,220 58,600 X 123 37,400 21,200
INCO LTD CVT DEBS CV BND 453258AH8 13,480 143,789 X 12356 143,789
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 14 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
AMERICAN FDS -INCM FD AMER COMMON 453320103 29 1,712 X 123 1,712
INFORMIX CORP COMMON 456779107 8,547 1,076,700 X 123 853,400 22,400 200,900
INGERSOLL RAND CO COMMON 456866102 5,302 96,501 X 123 87,200 9,301
INFORMATION RESOURCES INC COMMON 456905108 8,184 739,800 X 123 591,500 16,100 132,200
INGRAM MICRO CVT DEBS CV BND 457153AB0 3,157 99,447 X 1235 89,751 6,867 2,829
INKTOMI CORP COMMON 457277101 1,536 12,800 X 123 12,800
INTEGRAL SYSTEMS INC/MD COMMON 45810H107 854 29,700 X 123 20,500 1,400 7,800
INTEGRATED DEVICE SUB CVT NTS CV BND 458118AA4 108,663 1,070,571 X 123 880,532 170,826 19,213
INTEGRATED PROCESS CVT SUB NTS CV BND 45812KAD0 4,615 64,102 X 123 64,102
INTEGRATED SYSTEMS INC COMMON 45812M104 1,867 183,300 X 123 128,000 10,200 45,100
INTEL CORP COMMON 458140100 209,383 2,817,585 X 123 1,406,543 9,800 1,401,242
INTER-TEL INC COMMON 458372109 8,396 473,000 X 123 377,800 9,500 85,700
INTERFACE INC COMMON 458665106 7 1,400 X 123 1,400
INTERFACE SYS INC COMMON 458667102 32 3,162 X 123 3,162
IBM CORP COMMON 459200101 146,834 1,213,504 X 123 690,328 6,800 516,376
INTL FLAV & FRAG COMMON 459506101 36 1,050 X 123 1,050
INTL MULTIFOODS CORP COMMON 460043102 15,831 688,300 X 123 545,800 15,200 127,300
INTERNATIONAL PAPER CO COMMON 460146103 228 4,739 X 123 1,403 3,336
INTL RECTIFIER CORP COMMON 460254105 8,958 587,400 X 123 465,500 13,500 108,400
INTERNET CAPITAL GRP COMMON 46059C106 8 90 X 123 90
INTERPUBLIC GROUP COS COMMON 460690100 68 1,648 X 123 1,648
INTEVAC INC CVT SUB NTS CV BND 461148AC2 28,953 556,793 X 123 463,703 48,485 44,605
INVACARE CORP COMMON 461203101 738 37,700 X 123 30,300 7,400
AMERICAN FDS IVEST CO OF AMER COMMON 461308108 1,086 33,945 X 123 33,945
IVEX PACKAGING CORP COMMON 465855104 2,504 250,400 X 123 174,700 10,800 64,900
MACKENZIE IVY INTL FD CL A COMMON 465903102 976 21,986 X 123 21,986
JDN REALTY CORP COMMON 465917102 15 750 X 123 750
JDS UNIPHASE CORP COMMON 46612J101 5,509 48,400 X 123 24,000 24,400
JABIL CIRCUIT INC COMMON 466313103 120 2,420 X 123 2,420
JACOBSON'S STORE SUB CONV DEB CV BND 469834AC9 12,322 186,699 X 12356 180,273 6,426
JANUS FUND COMMON 471023101 99 2,496 X 123 2,496
JANUS WORLDWIDE FUND COMMON 471023309 574 10,470 X 123 10,470
JANUS GLOBAL TECH FUND COMMON 471023663 103 5,752 X 123 5,752
JOHNSON & JOHNSON COMMON 478160104 12,267 133,515 X 123 32,650 4,600 96,265
JOHNSON CONTROLS COMMON 478366107 53 800 X 123 500 300
JONES APPAREL GRP INC COMMON 480074103 6,648 231,243 X 123 182,046 49,197
JOSTENS INC COMMON 481088102 10,769 563,100 X 123 445,000 10,100 108,000
JUNIPER NETWORKS INC COMMON 48203R104 237 1,300 X 123 1,300
KLA-TENCOR CORPORATION COMMON 482480100 228 3,500 X 123 3,500
K MART COMMON 482584109 253 21,650 X 123 3,300 18,350
KAISER ALUMINUM CORP COMMON 483007100 12 1,465 X 123 1,465
KAMAN CORP SUB DEB CONV CV BND 483548AC7 7,448 79,234 X 123 79,234
KANSAS CITY PWR & LT COMMON 485134100 5 200 X 123 200
KANSAS CITY SOUTHN INDS INC COMMON 485170104 279 6,000 X 123 6,000
KAYNE ANDERSON SM-MID CAP COMMON 486607203 44 2,938 X 123 2,938
KAYNE INTL RISING DVDS FD COMMON 486607302 97 5,616 X 123 5,616
KEANE INC COMMON 486665102 11 500 X 123 500
KELLOGG CO COMMON 487836108 19 500 X 123 500
KEMPER HIGH YIELD FD A COMMON 488411109 54 7,491 X 123 7,491
KEMPER INCOME & CAP PRES -A COMMON 488412107 47 5,838 X 123 5,838
KEMPER MUNI BOND FD -A COMMON 488419201 45 4,650 X 123 4,650
KEMPER TOTAL RETURN FD-A COMMON 488436106 31 2,856 X 123 2,856
KEMPER US GVT SECS FD -A COMMON 488438102 7 806 X 123 806
KENNAMETAL COMMON 489170100 26 1,000 X 123 1,000
KENNEDY WILSON INC COMMON 489399204 10 1,100 X 123 1,100
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 15 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
KENT ELECTRONIC SUB DEB CVT CV BND 490553AA2 156,273 1,917,456 X 1236 1,753,919 105,996 57,541
KERR MCGEE CORP COMMON 492386107 1,158 21,038 X 123 10,208 10,830
KEY ENERGY SVCS CVT SUB NTS CV BND 492914AF3 101,271 1,454,520 X 123 1,232,056 194,283 28,181
KEYCORP (NEW) COMMON 493267108 111,874 4,334,028 X 123 2,426,074 4,200 1,903,754
KEYSPAN CORP COMMON 49337W100 14 500 X 123 500
KILROY REALTY CORP COMMON 49427F108 22 1,045 X 123 1,045
KIMBERLY CLARK COMMON 494368103 154,087 2,921,089 X 123 1,810,390 33,300 1,077,399
KMART FIN CVT PFD 7.75% CV PFD 498778208 48 999 X 123 999
KNIGHT RIDDER INC COMMON 499040103 4,136 75,200 X 123 46,100 29,100
KNIGHT/TRIMARK GROUP -A COMMON 499067106 18 600 X 123 600
KOHLS CORP COMMON 500255104 10,410 157,424 X 123 80,804 3,600 73,020
PHILIPS ELECTRONICS NV COMMON 500472204 67,014 663,500 X 123 444,497 656 218,347
KOPIN CORP COMMON 500600101 7,850 282,900 X 123 271,100 11,800
KOS PHARMACEUTICALS INC COMMON 500648100 24 5,000 X 123 5,000
KROGER CO COMMON 501044101 110,988 5,030,485 X 123 3,086,449 22,600 1,921,436
KYRGOIL CORP COMMON 501932107 3 125,000 X 123 125,000
LSI LOGIC COMMON 502161102 142 2,740 X 123 2,740
LTX CORP SUB DEB CONV CV BND 502392AA1 28,363 378,168 X 123 225,001 130,556 22,611
LABOR READY INC COMMON 505401208 14 1,350 X 123 1,350
LADD FURNITURE INC COMMON 505739201 1,360 64,200 X 123 44,300 3,400 16,500
LAFARGE CORP COMMON 505862102 163 5,100 X 123 5,100
LAGUNA HILLS UTIL CO COMMON 507205102 43 2,000 X 123 2,000
LAM RESEARCH SUB DEB CONV CV BND 512807AC2 111,249 1,115,274 X 1236 1,029,818 60,684 24,772
LANDS' END COMMON 515086106 26 400 X 123 400
LASON INC COMMON 51808R107 312 7,000 X 123 7,000
LATIN AMERICA INVESTMENT FD COMMON 518279104 123 11,900 X 123 11,900
LATTICE SEMICONDUCTOR CORP COMMON 518415104 80 2,698 X 123 2,698
LEAP WIRELESS INTL INC COMMON 521863100 22 949 X 123 74 875
LEGGETT & PLATT INC COMMON 524660107 5,645 286,700 X 123 164,550 20,300 101,850
LEHMAN BROS HOLDING INC COMMON 524908100 2,662 45,600 X 123 28,000 17,600
LEXMARK INTL GRP INC CL A COMMON 529771107 67,337 836,490 X 123 435,700 600 400,190
LIBERTY ALL STAR EQUITY FD COMMON 530158104 48 4,121 X 123 4,121
LIBERTY FINANCIAL COS COMMON 530512102 4,925 224,500 X 123 173,400 5,700 45,400
LIBERTY PPTY TRUST COMMON 531172104 15,680 691,100 X 123 550,300 15,800 125,000
LIFEPOINT HOSPITALS INC COMMON 53219L109 34 X 123 34
LILLY ELI COMMON 532457108 14,776 230,200 X 123 83,473 6,160 140,567
LILLY INDUSTRIES INC COMMON 532491107 943 69,200 X 123 49,900 4,000 15,300
LIMITED INC COMMON 532716107 202 5,294 X 123 5,294
LINCARE HLDG COMMON 532791100 12,672 475,400 X 123 354,900 7,300 113,200
LINCOLN ELECTRIC HOLDINGS COMMON 533900106 194 9,300 X 123 8,500 800
LINCOLN NATL CORP COMMON 534187109 1,931 51,400 X 123 41,600 9,800
LINENS N THINGS INC COMMON 535679104 9,879 292,700 X 123 226,700 27,300 38,700
LITTON INDS INC COMMON 538021106 71,421 1,304,495 X 123 850,180 1,000 453,315
LIZ CLAIBORNE COMMON 539320101 12,233 394,600 X 123 306,000 7,100 81,500
LOCAL FINL CORP COMMON 539553107 5,821 629,300 X 123 475,800 20,600 132,900
LOCKHEED MARTIN CORP COMMON 539830109 31,675 969,000 X 123 820,550 29,900 118,550
LOEWS CORP CVT SUB NTS CV BND 540424AL2 381,955 4,467,313 X 123 4,222,606 244,707
LOEWS CORP COMMON 540424108 42 600 X 123 600
LOMAS FINL CORP COMMON 541535100 4,267 X 123 4,267
LONE STAR TECHNOLOGIES INC COMMON 542312103 14 700 X 123 700
LONGLEAF PARTNERS SM CAP FD COMMON 543069207 16 713 X 123 713
LONGVIEW FIBRE CO COMMON 543213102 249 20,000 X 123 20,000
LS GROWTH FUND I COMMON 543487102 3,773 337,816 X 123 45,820 291,996
LS CORE VALUE FUND I COMMON 543487201 29,290 1,770,887 X 123 138,194 1,632,693
LS SMALL CAP VALUE FUND I COMMON 543487300 70,169 4,049,005 X 123 2,245,644 1,803,361
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 16 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
LS INTL EQUITY FUND I COMMON 543487409 41,710 3,024,660 X 123 2,154,474 870,186
LS MID CAP VALUE FUND I COMMON 543487813 1,007 91,646 X 123 12,761 78,885
LS SMALL CAP GROWTH FUND I COMMON 543487854 9,931 593,634 X 123 364,110 229,524
LS CORE GROWTH FUND COMMON 543495402 21,870 1,625,997 X 123 1,625,997
LS SMALL CAP VALUE FD COMMON 543495881 37,896 4,031,502 X 123 4,031,502
LOUISIANA-PACIFIC CORP COMMON 546347105 1,763 112,800 X 123 81,100 31,700
LOWES COS COMMON 548661107 1,603 32,876 X 123 32,876
LUCENT TECHNOLOGIES INC COMMON 549463107 43,218 666,175 X 123 237,734 428,441
LUMINANT WORLDWIDE CORP COMMON 550260103 12,091 393,200 X 123 300,200 41,200 51,800
LUNAR CORP COMMON 550362107 2 300 X 123 300
MBIA INC COMMON 55262C100 56 1,200 X 123 1,200
MBNA CORP COMMON 55262L100 39 1,725 X 123 1,725
MITSUBISHI BK LTD - BOT CONV CV BND 55262XAA2 52,288 442,957 X 123 442,957
MB FINANCIAL CORP COMMON 55263D107 108 8,100 X 123 8,100
MCN ENERGY GROUP INC COMMON 55267J100 24,365 1,417,550 X 123 1,150,700 17,400 249,450
MDC COMMUNICATIONS COMMON 55267W309 73 7,000 X 123 7,000
MCI WORLDCOM INC COMMON 55268B106 130,461 1,815,114 X 123 981,579 3,900 829,635
MDU RESOURCES GROUP INC COMMON 552690109 177 7,875 X 123 7,875
MGIC INVT CORP WIS COMMON 552848103 686 14,360 X 123 14,360
M A R C INC COMMON 552914103 1 102 X 123 102
MACROMEDIA INC COMMON 556100105 17,813 435,800 X 123 335,200 42,700 57,900
MAGELLAN HEALTH SVCS COMMON 559079108 2,054 280,900 X 123 193,800 14,900 72,200
MAGNA INTL INC CL A COMMON 559222401 169 3,400 X 123 3,400
MAKER COMMUNICATIONS COMMON 560875106 2,157 91,800 X 123 76,000 15,800
MANDALAY RESORT GROUP COMMON 562567107 10 500 X 123 500
MANITOWOC COMPANY INC COMMON 563571108 4,846 142,000 X 123 142,000
MANOR CARE INC COMMON 564055101 24,723 1,438,400 X 123 1,193,800 54,500 190,100
MANPOWER INC COMMON 56418H100 10,421 357,802 X 123 270,700 7,000 80,102
MARCUS CORP COMMON 566330106 873 72,375 X 123 12,850 59,525
MARINE DRILLING CO INC COMMON 568240204 21,546 1,362,540 X 123 1,054,640 130,200 177,700
MARSH & MCLENNAN COMMON 571748102 2,475 36,133 X 123 4,399 31,734
MARSHALL & ILSLEY COMMON 571834100 3,512 61,546 X 123 31,000 1,000 29,546
MARRIOTT INTL -CL A COMMON 571903202 229 7,000 X 123 5,200 1,800
MARTIN MARIETTA MATERIALS COMMON 573284106 176 4,400 X 123 1,900 2,500
MASCO CORP COMMON 574599106 63,732 2,055,862 X 123 1,325,882 18,100 711,880
MASCOTECH INC SUB DEBS CVT CV BND 574670AB1 102,362 1,358,037 X 123 1,221,749 136,288
MASCOTECH INC COMMON 574670105 26 1,555 X 123 1,555
MATSUSHITA ELEC INDL LTD ADR COMMON 576879209 54 260 X 123 260
MATTEL INC COMMON 577081102 50 2,647 X 123 2,647
MAXIM INTEGRATED PRODUCTS COMMON 57772K101 240 3,800 X 123 3,800
MAXIM PHARMACEUTICALS INC COMMON 57772M107 10 1,200 X 123 1,200
MAXTOR CORP SUB DEB CONV CV BND 577729AA4 140,337 1,990,600 X 123 1,745,875 188,125 56,600
MAXWELL TECHNOLOGIES INC COMMON 577767106 5,221 397,800 X 123 312,400 10,600 74,800
MAY DEPT STORES COMMON 577778103 284 7,800 X 123 300 7,500
MAVERICK TUBE CORP COMMON 577914104 6,921 416,300 X 123 330,400 9,500 76,400
MCDERMOTT INTL COMMON 580037109 8 400 X 123 400
MCDONALDS CORP COMMON 580135101 102,811 2,377,144 X 123 1,265,470 44,300 1,067,374
MCGRAW HILL COS INC COMMON 580645109 56 1,164 X 123 900 264
MCKESSON HBOC INC COMMON 58155Q103 519 17,900 X 123 2,300 15,600
MEAD CORP COMMON 582834107 117 3,400 X 123 3,200 200
MEDCO RESEARCH INC COMMON 584059109 25 1,000 X 123 1,000
MEDIAONE GROUP INC COMMON 58440J104 60,428 884,574 X 123 512,074 900 371,600
COLUMBIA/HCA CVT SUB DEBS CV BND 584505AC5 34,880 405,576 X 123 331,852 67,892 5,832
MEDICIS PHARMACEUTICAL -CL A COMMON 584690309 13,728 481,700 X 123 376,900 10,100 94,700
MEDIMMUNE INC COMMON 584699102 4,604 46,200 X 123 29,500 16,700
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 17 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
MEDQUIST INC COMMON 584949101 22,210 664,200 X 123 517,400 59,000 87,800
MEDITRUST CORP - PAIRED STK COMMON 58501T306 9,774 1,149,933 X 123 891,652 82,000 176,281
MEDTRONIC INC COMMON 585055106 37,763 1,061,862 X 123 563,738 6,400 491,724
MELLON BANK CORP COMMON 585509102 813 24,180 X 123 18,180 6,000
MERCK & CO COMMON 589331107 112,800 1,740,388 X 123 1,039,834 12,000 688,554
MERCURY INTERACTIVE CORP COMMON 589405109 28,233 437,300 X 123 318,900 47,600 70,800
MERIDIAN DIAGNOSTICS COMMON 589602101 35 4,400 X 123 3,100 200 1,100
MERISTAR HOSPITALITY CORP COMMON 58984Y103 7,039 457,793 X 123 361,529 10,253 86,011
MERRILL LYNCH EUROFUND CL B COMMON 589922103 116 7,694 X 123 7,694
MERRILL LYNCH GLOBAL B COMMON 589939206 188 13,026 X 123 13,026
MERITOR AUTOMOTIVE INC COMMON 59000G100 1 66 X 123 66
MERRILL LYNCH & CO COMMON 590188108 27,597 409,606 X 123 151,400 258,206
MERRILL LYNCH HEALTHCARE FD COMMON 59019W104 3 500 X 123 500
MESA AIR GROUP INC COMMON 590479101 2,482 405,200 X 123 279,700 21,500 104,000
MERRILL LYNCH PACIFIC FUND-B COMMON 590906202 70 3,061 X 123 3,061
METAL MANAGEMENT INC COMMON 591097100 4 3,000 X 123 3,000
METALS USA INC COMMON 591324108 31 3,000 X 123 3,000
METAMOR WORLDWIDE INC COMMON 59133P100 3,916 220,600 X 123 188,600 32,000
METRIS COMPANIES INC COMMON 591598107 13,133 445,200 X 123 347,700 47,400 50,100
METROMEDIA FIBER NETWORK -A COMMON 591689104 1,453 59,300 X 123 59,300
METROWEST BANK/MASS COMMON 592668107 14 2,000 X 123 2,000
UNITED MEXICAN STS WTS WTS 593048119 2,269 30,000 X 1235 23,150 3,850 3,000
MICHAEL FOODS INC NEW COMMON 594079105 21,016 799,650 X 123 632,250 15,900 151,500
MICHAELS STORES INC COMMON 594087108 6,847 232,100 X 123 183,400 4,300 44,400
MICROSOFT CORP COMMON 594918104 84,633 934,519 X 123 405,843 11,700 516,976
MICROCHIP TECHNOLOGY INC COMMON 595017104 89 1,730 X 123 1,730
MIDAMERICAN ENERGY HLDGS COMMON 59562V107 30 1,000 X 123 1,000
MIDAS INC COMMON 595626102 7 348 X 123 116 232
MIDWEST EXPRESS HLDGS COMMON 597911106 177 6,750 X 123 6,750
MILACRON INC COMMON 598709103 8,604 484,750 X 123 385,350 11,300 88,100
MILLER (HERMAN) INC COMMON 600544100 973 40,700 X 123 32,900 7,800
MILLIPORE CORP COMMON 601073109 428 11,400 X 123 9,800 1,600
MINERALS TECHNOLOGIES INC COMMON 603158106 2,370 48,800 X 123 42,900 1,500 4,400
MINIMED INC COMMON 60365K108 7,487 76,200 X 123 37,500 23,600 15,100
MINNESOTA MNG & MFG COMMON 604059105 8,438 87,840 X 123 32,180 2,000 53,660
MIRAGE RESORTS INC COMMON 60462E104 35 2,500 X 123 2,500
MISSISSIPPI CHEMICAL CORP COMMON 605288208 27 3,800 X 123 3,800
MITCHAM INDS INC COMMON 606501104 14 2,800 X 123 2,800
MOBIL CORP COMMON 607059102 11,893 118,047 X 123 60,166 57,881
MODIS PROFESSIONAL SVCS COMMON 607830106 636 48,000 X 123 38,600 9,400
MOLEX INC CL A COMMON 608554200 547 16,881 X 123 1,550 15,331
MONSANTO CO COMMON 611662107 3,400 95,280 X 123 48,350 46,930
MONTANA POWER CO COMMON 612085100 226 7,424 X 123 7,400 24
MONY GROUP INC COMMON 615337102 20 683 X 123 683
MORAN ENERGY SUB DEB CONV CV BND 616457AC1 19,634 206,671 X 123 158,210 48,461
MORGAN JP & CO COMMON 616880100 23,017 201,465 X 123 171,900 5,200 24,365
MORGAN ST DEAN WITTER & CO COMMON 617446448 94,244 1,056,686 X 123 664,660 6,200 385,826
MORRISON MGMT SPECIALIST COMMON 618459101 7,520 334,216 X 123 230,250 17,800 86,166
MOTHERS WORK INC COMMON 619903107 14 1,763 X 123 1,704 59
MOTOROLA INC COMMON 620076109 27,734 315,160 X 123 131,675 183,485
MIT FD UNIT CTF SER 7 CALIF COMMON 626233134 2 15 X 123 15
MUTUAL RISK MGMT LTD COMMON 628351108 37 3,061 X 123 3,061
FRANKLIN MUTUAL DISCOVERY COMMON 628380842 31 1,664 X 123 1,664
MYLAN LABS COMMON 628530107 153 8,350 X 123 1,100 7,250
NABI INC SUB CONV NTS CV BND 628716AB8 168,343 2,065,554 X 123 1,751,412 169,642 144,500
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 18 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
NCO GROUP INC COMMON 628858102 22,311 474,700 X 123 364,200 47,800 62,700
NCR CORP COMMON 62886E108 2 68 X 123 68
NPC INTL COMMON 629360306 2,665 236,900 X 123 163,900 12,500 60,500
NABISCO GROUP HLDGS COMMON 62952P102 640 42,640 X 123 24,640 18,000
NABORS INDS INC COMMON 629568106 2,118 84,700 X 123 47,900 36,800
NALCO CHEM COMMON 629853102 116 2,300 X 123 2,300
NATIONAL AUTO CREDIT INC COMMON 632900106 4 4,637 X 123 4,637
NATIONAL CITY CORP COMMON 635405103 1,871 70,116 X 123 33,516 36,600
NATIONAL COMPUTER SYS INC COMMON 635519101 6,676 174,100 X 123 137,600 4,200 32,300
NATIONAL DATA CORP COMMON 635621105 5,320 204,600 X 123 161,400 5,000 38,200
NATIONAL HEALTH REALTY INC COMMON 635905102 5 500 X 123 500
NATIONAL HEALTHCARE CORP COMMON 635906100 4 500 X 123 500
NATIONAL HEALTH INVESTORS COMMON 63633D104 8 500 X 123 500
NATL SEMICONDUCTOR CVT SUB DEB CV BND 637640AB9 42,926 433,594 X 12356 400,870 29,218 3,506
NATIONAL SEMICONDUCTOR CORP COMMON 637640103 2,042 66,800 X 123 46,800 20,000
NATL SVC INDS COMMON 637657107 4,634 147,100 X 123 127,900 19,200
NATIONWIDE FINANCIAL SVCS COMMON 638612101 18 500 X 123 500
NAUTICA ENTERPRISES COMMON 639089101 29 1,800 X 123 1,400 400
NAVIGANT CONSULTING CORP COMMON 63935N107 7,355 158,600 X 123 125,000 3,900 29,700
NEIMAN MARCUS GRP COMMON 640204103 842 36,000 X 123 36,000
NEMATRON CORP COMMON 640441101 5 1,054 X 123 1,054
NETWORKS ASSOCIATES INC COMMON 640938106 215 11,249 X 123 1,249 10,000
NESTLE S ASPONS ADR FOR REG COMMON 641069406 19 200 X 123 200
NETWORK APPLIANCE INC COMMON 64120L104 394 5,500 X 123 5,500
NETWORK PLUS CORP COMMON 64122D506 14 1,000 X 123 1,000
NEW CENTURY ENERGIES INC COMMON 64352U103 80 2,401 X 123 2,401
AMERICAN FDS -NEW ECON FD COMMON 643822109 64 2,453 X 123 2,453
NEW ENGLAND ELEC SYS COMMON 644001109 87 1,672 X 123 1,672
NEW ENGLAND BALANCED FUND -Y COMMON 644036758 10,114 807,789 X 123 807,789
NEW ENGLAND GRWTH & INC FD COMMON 644037103 75 4,535 X 123 4,535
NEW GERMANY FUND COMMON 644465106 3 246 X 123 246
NEW JERSEY RESOURCES COMMON 646025106 6,520 163,000 X 123 124,300 5,100 33,600
NEWELL RUBBERMAID INC COMMON 651229106 45,691 1,599,650 X 123 814,315 1,100 784,235
NEWFIELD EXPLORATION CO COMMON 651290108 15,369 466,600 X 123 364,900 8,700 93,000
NEWMONT MNG COMMON 651639106 3,063 118,375 X 123 74,400 43,975
NEWPORT NEWS SHIPBUILDING COMMON 652228107 11,229 347,500 X 123 275,800 8,200 63,500
NEXTEL COMMUNICATIONS CL A COMMON 65332V103 604 8,900 X 123 8,900
NIAGRA MOHAWK HLDGS COMMON 653520106 7,721 496,120 X 123 408,900 87,220
NICHOLAS FUND COMMON 653735100 220 2,978 X 123 2,978
NICHOLAS LTD EDITION INC COMMON 653738104 1,686 80,078 X 123 80,078
NICHOLAS FUND II INC COMMON 653740100 669 21,030 X 123 21,030
NICHOLS RESEARCH CORP COMMON 653818104 3,295 123,750 X 123 97,600 3,100 23,050
NIELSEN MEDIA RESEARCH COMMON 653929307 4,867 130,866 X 123 102,833 3,100 24,933
99 CENTS ONLY STORES COMMON 65440K106 9,648 267,075 X 123 205,325 21,400 40,350
NOKIA CORP SPON ADR COMMON 654902204 440 4,900 X 123 3,900 1,000
NOBLE DRILLING COMMON 655042109 6,161 281,661 X 123 195,664 85,997
NORAM ENERGY CVT SUB DEBS CV BND 655419AC3 8,018 90,087 X 123 80,303 9,784
NORDSON CORP COMMON 655663102 319 6,500 X 123 6,500
NORFOLK SOUTHN CORP COMMON 655844108 1,323 53,998 X 123 35,348 4,000 14,650
NORTEL NETWORKS CORP COMMON 656569100 29,644 581,250 X 123 365,850 700 214,700
NORTHERN STATES POWER- MN COMMON 665772109 86 4,000 X 123 4,000
NORTHERN TR CORP COMMON 665859104 19,180 229,700 X 123 148,350 81,350
NORTHROP GRUMMAN CORP COMMON 666807102 81,420 1,280,930 X 123 739,995 800 540,135
NOVA CORP/GEORGIA COMMON 669784100 17,313 692,500 X 123 525,800 12,400 154,300
NSTAR COMMON 67019E107 9,606 247,900 X 123 197,200 5,900 44,800
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 19 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
NUEVO ENERGY CO COMMON 670509108 51 2,950 X 123 2,950
NVEST L.P. COMMON 67065F107 53 2,500 X 123 2,500
OEA INC COMMON 670826106 8 1,000 X 123 1,000
OGE ENERGY CORP COMMON 670837103 45 2,000 X 123 2,000
OM GROUP INC COMMON 670872100 11,605 302,400 X 123 241,200 7,100 54,100
NUVEEN MICH QUALITY INC MUNI COMMON 670979103 139 9,100 X 123 9,100
OCCIDENTAL PETE COMMON 674599105 231 10,000 X 123 10,000
OCULAR SCIENCES INC COMMON 675744106 19 1,000 X 123 1,000
OFFICEMAX INC COMMON 67622M108 101 17,300 X 123 17,300
OFFICE DEPOT COMMON 676220106 2,176 207,250 X 123 127,625 79,625
OGDEN CORP SUB DEB CVT CV BND 676346AC3 3,763 43,504 X 123 43,504
OGDEN CORP SUB DEB CONV EURO CV BND 676346AD1 1,884 21,783 X 123 21,783
OHIO CASUALTY CORP COMMON 677240103 1,395 82,696 X 123 82,696
OLIN CORP COMMON 680665205 3,536 259,500 X 123 178,400 13,900 67,200
OMNICARE CVT CV BND 681904AD0 72,487 1,115,179 X 12356 1,065,408 44,721 5,050
OMNICOM GROUP COMMON 681919106 69,659 879,669 X 123 449,750 6,500 423,419
OPPENHEIMER MAIN ST GR & INC COMMON 68380D801 49 1,175 X 123 1,175
OPTICAL COATING LAB COMMON 683829105 27,499 298,700 X 123 228,800 30,900 39,000
ORACLE CORP COMMON 68389X105 29,786 654,635 X 123 270,625 9,000 375,010
OPPENHEIMER GLOBAL FD CL A COMMON 683924104 23 457 X 123 457
ORBITAL SCIENCES CORP COMMON 685564106 7,837 447,855 X 123 357,300 8,000 82,555
ORGANOGENESISINC COMMON 685906109 30 4,000 X 123 4,000
ORTHODONTIC CENTERS OF AMER COMMON 68750P103 106 6,100 X 123 6,100
OSHKOSH B GOSH INC CL A COMMON 688222207 19 1,200 X 123 1,200
OUTBACK STEAKHOUSE INC COMMON 689899102 73 2,878 X 123 2,878
OWENS CORNING CAP LLC CVT PFD CV PFD 690733209 5,988 154,033 X 123 133,211 5,134 15,688
OWENS-ILLINOIS INC COMMON 690768403 63,711 3,215,635 X 123 1,945,705 2,500 1,267,430
OWENS-ILLINOIS 4.75% CVT PFD CV PFD 690768502 155 4,745 X 123 4,745
P-COM INC COMMON 693262107 9,556 1,365,100 X 123 1,072,200 33,000 259,900
PECO ENERGY CO COMMON 693304107 6,375 170,000 X 123 170,000
P G & E CORP COMMON 69331C108 61 2,350 X 123 2,200 150
PE CORP -PE BIOSYSTEMS COMMON 69332S102 28,618 396,100 X 123 120,600 275,500
P F CHANGS CHINA BISTRO INC COMMON 69333Y108 11 500 X 123 500
PIMCO ADVISORS HOLDINGS LP COMMON 69338P102 55 1,753 X 123 1,753
PIMCO HIGH YIELD FUND C COMMON 693390353 100 9,325 X 123 9,325
PMC -SIERRA INC COMMON 69344F106 3,589 38,800 X 123 37,300 1,500
THE PMI GROUP COMMON 69344M101 3,654 89,390 X 123 55,500 33,890
PNC BANK CORP COMMON 693475105 168,652 3,200,955 X 123 1,900,825 2,900 1,297,230
PP&L RESOURCES INC COMMON 693499105 27 1,000 X 123 1,000
PPG INDS COMMON 693506107 507 8,450 X 123 7,650 800
PRI AUTOMATION INC COMMON 69357H106 17,250 477,500 X 123 353,200 52,100 72,200
PACIFIC GULF PPTYS COMMON 694396102 8,167 409,600 X 123 325,200 9,300 75,100
PACIFIC SUNWEAR OF CALIF COMMON 694873100 27,001 963,250 X 123 746,550 89,050 127,650
PACIFICAMERICA MONEY CENTER COMMON 694935107 1,000 X 123 1,000
PACIFICORP (ORE) COMMON 695114108 229 11,400 X 123 2,400 9,000
PACKETEER INC COMMON 695210104 12,232 359,100 X 123 275,900 34,800 48,400
PAINE WEBBER GRP INC COMMON 695629105 5,745 158,475 X 123 119,325 39,150
PW EQUITY PTNRS LTD L COMMON 69574C104 12 1,000 X 123 1,000
PW EQUITY PTNRS LTD 2 COMMON 69574C203 14 57,000 X 123 7,000 50,000
PW EQUITY PTNRS 3 COMMON 69574C302 13 55 X 123 55
PAINEWEBBER GEODYNE ENERGY IIE COMMON 695923862 8 500 X 123 500
PW GEODYNE ENERGY PTNR 11C COMMON 695923888 13 750 X 123 750
PAIRGAIN TECH INC COMMON 695934109 17,510 1,373,300 X 123 1,074,500 29,000 269,800
PALL CORP COMMON 696429307 4,387 189,200 X 123 126,600 62,600
PANAMSAT CORP COMMON 697933109 3,986 110,350 X 123 67,900 42,450
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 20 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
PAPA JOHN'S INTL INC COMMON 698813102 310 7,515 X 123 2,515 5,000
PARK ELECTROCHEM CVT SUB NTS CV BND 700416AB6 66,259 691,996 X 123 592,326 81,893 17,777
PARK PLACE ENTERTAINMENT COMMON 700690100 156 12,500 X 123 12,500
PATINA OIL & GAS CORP COMMON 703224105 23 2,600 X 123 2,600
PATTERSON ENERGY INC COMMON 703414102 26,716 1,759,000 X 123 1,363,400 125,900 269,700
PAXSON COMMUNICATIONS COMMON 704231109 82 6,700 X 123 6,700
PAYCHEX INC COMMON 704326107 350 10,250 X 123 10,250
PENN TRAFFIC CO WTS WTS 707832119 59 58,874 X 123 58,874
PENN TRAFFIC CO COMMON 707832200 1,377 161,945 X 123 161,945
PENNEY J C CO INC COMMON 708160106 92 2,677 X 123 777 1,900
PENTAIR INC COMMON 709631105 13,771 343,210 X 123 267,800 6,700 68,710
PENTEGRA DENTAL GROUP COMMON 709637102 559 308,200 X 123 221,700 17,500 69,000
PEPSI BOTTLING GRP COMMON 713409100 8,315 487,300 X 123 385,600 101,700
PEPSICO INC COMMON 713448108 8,693 285,023 X 123 66,099 7,000 211,924
PER SE TECHNOLOGIES INC COMMON 713569200 4,935 1,435,300 X 123 1,121,800 36,200 277,300
PEREGRINE SYSTEMS COMMON 71366Q101 334 8,200 X 123 8,200
PETROLEUM GEO -SVCS -SP ADR COMMON 716597109 95 5,000 X 123 5,000
PHARMACYCLICS INC COMMON 716933106 14,719 360,100 X 123 279,900 31,950 48,250
PHARMACIA & UPJOHN INC COMMON 716941109 400 8,066 X 123 7,296 770
PFIZER INC COMMON 717081103 18,445 514,156 X 123 123,967 32,300 357,889
PHILADELPHIA SUBURBAN CORP COMMON 718009608 24 1,000 X 123 1,000
PHILIP MORRIS COS INC COMMON 718154107 108,300 3,167,774 X 123 2,120,580 5,800 1,041,394
PHILIPPINE LG DIST TEL CVT PFD CV PFD 718252703 11,918 287,176 X 123 205,126 31,004 51,046
PHILLIPS PETE COMMON 718507106 13,135 269,428 X 123 13,700 255,728
PHONE.COM INC COMMON 71920Q100 152 1,000 X 123 1,000
PHYCOR INC CVT SUB DEBS CV BND 71940FAB6 108,290 1,532,403 X 123 1,398,578 84,691 49,134
PHOTRONICS INC COMMON 719405102 3,927 175,000 X 123 141,200 3,900 29,900
PILGRIM MID CAP GROWTH FD C COMMON 72146E558 363 18,365 X 123 18,365
PILGRIM PRIME RATE TRUST COMMON 72146W103 10 1,000 X 123 1,000
PINNACLE HOLDINGS INC COMMON 72346N101 75 2,855 X 123 2,855
PINNACLE WEST CAPITAL CORP COMMON 723484101 4,175 114,763 X 123 65,100 49,663
PIONEER HI-BRED INT COMMON 723686101 516 13,000 X 123 2,000 11,000
PIONEER STD ELECTRS COMMON 723877106 130 9,003 X 123 9,003
PITNEY BOWES COMMON 724479100 914 15,000 X 123 100 14,900
PLACER DOME INC COMMON 725906101 31 2,100 X 123 2,100
PLAINS ALL AMER PIPELINE LP COMMON 726503105 13 700 X 123 700
PLAINS RESOURCES INC COMMON 726540503 9,017 504,450 X 123 394,850 13,100 96,500
POGO PRODUCING CO CVT SUB NTS CV BND 730448AE7 30,379 372,748 X 123 334,229 33,778 4,741
POGO PRODUCING CO COMMON 730448107 23 1,100 X 123 1,100
POLAROID CORP COMMON 731095105 4,328 166,478 X 123 130,600 3,900 31,978
POLYCOM INC COMMON 73172K104 381 8,000 X 123 8,000
PORTAL SOFTWARE COMMON 736126103 105 2,700 X 123 2,700
POST PROPERTIES INC COMMON 737464107 142 3,600 X 123 3,600
POTASH CORP OF SASKATCHEWAN COMMON 73755L107 3,099 60,025 X 123 36,300 23,725
POTOMAC ELEC PWR COMMON 737679100 204 8,000 X 123 8,000
POWER INTEGRATIONS INC COMMON 739276103 22,589 326,200 X 123 249,400 33,300 43,500
POWERWAVE TECHNOLOGIES INC COMMON 739363109 20,174 418,375 X 123 325,775 36,500 56,100
PRAXAIR INC COMMON 74005P104 85,410 1,856,746 X 123 1,175,296 1,800 679,650
PREPAID LEGAL SEVICES COMMON 740065107 128 3,240 X 123 3,240
PREMARK INTL COMMON 740459102 54,485 1,078,905 X 123 795,310 1,000 282,595
PREMIER FARNELL CONV PFD 5.4% CV PFD 74050U206 50 2,589 X 123 2,589
PREMISYS COMMUNICATIONS COMMON 740584107 10 1,200 X 123 1,200
PRENTISS PROPERTIES TRUST COMMON 740706106 777 35,000 X 123 17,000 18,000
PRIMEX TECHNOLOGIES INC COMMON 741597108 3,296 166,900 X 123 117,200 9,100 40,600
PRIDE INTL CVT SUB DEBS CV BND 741932AB3 28,113 834,522 X 123 641,890 177,597 15,035
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 21 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
PRINCIPAL PRES -PSE TECH 100 COMMON 74252B832 86 3,382 X 123 3,382
PRISON REALTY TRUST COMMON 74264N105 19 1,750 X 123 1,750
PRIORITY HEALTHCARE CORP -B COMMON 74264T102 77 2,507 X 123 2,507
PROCTER & GAMBLE COMMON 742718109 74,107 790,470 X 123 352,201 2,200 436,069
PROFIT RECOVERY GROUP INTL COMMON 743168106 36,447 816,750 X 123 630,325 78,650 107,775
PROGRESS SOFTWARE CORP COMMON 743312100 35 1,100 X 123 1,100
PROGRESSIVE CORP COMMON 743315103 49 600 X 123 600
PROTECTIVE LIFE CORP COMMON 743674103 9,361 322,800 X 123 253,600 6,200 63,000
PROVIDENT BANKSHARES CORP COMMON 743859100 13 630 X 123 630
PROVIDIAN FINANCIAL CORP COMMON 74406A102 1,176 14,851 X 123 10,851 4,000
PSINET INC COMMON 74437C101 68 1,900 X 123 1,900
PUBLIC SERVICE CO OF N C COMMON 744516105 7,260 236,100 X 123 182,700 5,300 48,100
PUB SVC ENTERPRISE GROUP INC COMMON 744573106 39 1,000 X 123 1,000
PUBLIC STORAGE INC COMMON 74460D109 20 800 X 123 500 300
PUTNAM AMERICAN GOVT FD CL A COMMON 74644B102 6 750 X 123 750
PUTNAM NEW OPPORTUNITIES -B COMMON 746916204 40 639 X 123 639
QLT PHOTOTHERAPEUTICS COMMON 746927102 283 3,700 X 123 3,700
PUTNAM INTL GROWTH FD -B COMMON 746932201 295 13,241 X 123 13,241
QRS CORP COMMON 74726X105 19,263 300,400 X 123 233,050 28,050 39,300
QLOGIC CORP COMMON 747277101 293 4,200 X 123 4,000 200
QUAKER OATS COMMON 747402105 1,454 23,500 X 123 10,900 4,000 8,600
QUALCOMM INC COMMON 747525103 1,660 8,775 X 123 1,800 6,975
QUANTUM CORP SUB CONV NTS CV BND 747906AC9 28,684 325,950 X 123 282,887 27,413 15,650
QUANTUM CORP -DLT & STORAGE COMMON 747906204 3,525 250,654 X 123 168,354 82,300
QUANTUM CORP-HARD DISK DRIVE COMMON 747906303 82 11,067 X 123 11,067
QUEENS CNTY BANCORP INC COMMON 748242104 28 1,000 X 123 1,000
QUEST DIAGNOSTICS INC COMMON 74834L100 73 2,809 X 123 1,810 999
QUESTAR CORP COMMON 748356102 120 6,600 X 123 6,600
R&B FALCON WTS 144A WTS 74912E119 3,245 14,750 X 123 13,250 1,250 250
QWEST COMMUNICATIONS INTL COMMON 749121109 18 600 X 123 200 400
R H DONNELLEY CORP COMMON 74955W307 18,219 978,200 X 123 779,400 17,600 181,200
RGS ENERGY GROUP COMMON 74956K104 9,510 388,150 X 123 301,800 6,700 79,650
RPM INC OHIO COMMON 749685103 84 6,863 X 123 6,863
RF MICRO DEVICES INC COMMON 749941100 302 6,600 X 123 6,600
RADIAN GROUP INC COMMON 750236101 8,828 205,600 X 123 160,800 4,000 40,800
RAMCO GERSHENSON PPTYS COMMON 751452202 12 789 X 123 789
RATIONAL SOFTWARE CORP COMMON 75409P202 83 2,840 X 123 2,840
RAYTHEON CO CL A COMMON 755111309 226 4,660 X 123 2,699 1,961
RAYTHEON CO CL B COMMON 755111408 105,045 2,116,767 X 123 1,215,765 8,000 893,002
READ-RITE CORP SUB NTS CVT CV BND 755246AA3 91,845 2,296,122 X 123 2,081,155 146,625 68,342
REALNETWORKS INC COMMON 75605L104 167 1,600 X 123 1,600
RED HAT INC COMMON 756577102 240 2,500 X 123 2,500
REEBOK INTL COMMON 758110100 21 2,000 X 123 2,000
REGAL BELOIT COMMON 758750103 5,634 271,500 X 123 222,300 6,400 42,800
REGAL COMMUNICATIONS CORP COMMON 758756308 4 7,000 X 123 7,000
REGENT COMM INC CVT PFD 7% C CV PFD 758865208 14 1,729 X 123 1,729
REGIONS FINANCIAL CORP COMMON 758940100 244 8,135 X 123 8,135
REINSURANCE GRP OF AMERICA COMMON 759351109 8,575 333,800 X 123 265,400 4,400 64,000
RELIANT ENERGY INC COMMON 75952J108 184 6,800 X 123 4,000 2,800
RELIASTAR FINANCIAL CORP COMMON 75952U103 63,322 1,904,420 X 123 1,112,470 1,700 790,250
REMEC INC COMMON 759543101 5,067 368,500 X 123 290,900 9,000 68,600
REMEDYTEMP INC CL A COMMON 759549108 19 1,300 X 123 1,300
REPSOL SA -SP ADR COMMON 76026T205 487 24,450 X 123 14,250 10,200
REPUBLIC BANCORP COMMON 760282103 41 3,562 X 123 3,562
REPUBLIC SERVICES INC CL A COMMON 760759100 492 45,200 X 123 34,700 10,500
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 22 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
RESMED INC COMMON 761152107 66 2,000 X 123 2,000
RESPIRONICS INC COMMON 761230101 6,043 732,500 X 123 568,900 18,000 145,600
REUTERS GROUP PLC SPONS ADR COMMON 76132M102 1,952 28,341 X 123 3,985 24,356
REX STORES CORP COMMON 761624105 12 400 X 123 400
REYNOLDS & REYNOLDS CO COMMON 761695105 144 7,045 X 123 7,045
REYNOLDS METALS COMMON 761763101 36 600 X 123 600
RJR TOBACCO HLDGS COMMON 76182K105 323 11,972 X 123 5,974 5,998
RHYTHMS NETCONNECTIONS INC COMMON 762430205 24 690 X 123 690
RICHARDSON ELEC SUB DEB CONV CV BND 763165AB3 76,017 962,246 X 123 695,217 255,440 11,589
RIGGS NATL CORP WASH D C COMMON 766570105 84 5,000 X 123 5,000
RITE AID COMMON 767754104 138 10,000 X 123 8,000 2,000
ROADWAY EXPRESS INC COMMON 769742107 4 175 X 123 175
ROCHESTER FUND MUNICIPAL COMMON 771362100 48 2,745 X 123 2,745
ROCKWELL INTL COMMON 773903109 334 6,360 X 123 1,200 5,160
ROGERS COMM INC CVT DEBS CV BND 775109AE1 358,458 4,551,848 X 12356 4,326,740 122,005 103,103
ROHM & HAAS COMMON 775371107 68,752 1,903,175 X 123 1,131,167 1,700 770,308
ROLLINS INC COMMON 775711104 62 4,000 X 123 4,000
ROSS STORES INC COMMON 778296103 849 42,200 X 123 34,000 8,200
ROWAN COS COMMON 779382100 21,759 1,338,987 X 123 445,037 893,950
ROYAL DUTCH PETRO -NY SHARES COMMON 780257804 22,009 372,635 X 123 212,880 159,755
RUBY TUESDAY INC COMMON 781182100 10,071 516,450 X 123 411,050 14,200 91,200
RYDER SYSTEM COMMON 783549108 22,225 1,090,775 X 123 904,575 29,600 156,600
SBC COMMUNICATIONS INC COMMON 78387G103 15,175 297,177 X 123 147,731 7,400 142,046
SCI SYSTEMS INC COMMON 783890106 15,240 342,950 X 123 257,100 5,600 80,250
SDL INC COMMON 784076101 21,543 282,300 X 123 206,650 36,050 39,600
SLM HOLDING CORP COMMON 78442A109 90 2,100 X 123 2,100
S & P 500 DEPOSITARY RCPT COMMON 78462F103 901 7,000 X 123 7,000
SPX CORP COMMON 784635104 8,077 89,000 X 123 69,600 1,700 17,700
S3 INC SUB DEB CONV CV BND 784849AC5 149,782 1,673,543 X 123 1,431,350 187,563 54,630
SAFEGUARD SCIENTIFIC COMMON 786449108 7 100 X 123 100
SAFETY-KLEEN CORP COMMON 78648R203 4,689 388,700 X 123 308,300 8,800 71,600
SAFEWAY INC COMMON 786514208 1,065 27,980 X 123 14,500 13,480
ST JUDE MEDICAL INC COMMON 790849103 3,036 96,369 X 123 59,200 37,169
ST MARY LAND & EXPL COMMON 792228108 26 1,000 X 123 1,000
ST PAUL BANCORP INC COMMON 792848103 928 40,550 X 123 9,900 30,650
ST PAUL COMPANIES COMMON 792860108 1,050 38,198 X 123 38,198
SAKS INCORPORATED COMMON 79377W108 3,300 217,300 X 123 181,200 36,100
SALOMON BROS FUND COMMON 795477108 34 1,802 X 123 1,802
SANMINA CORP COMMON 800907107 526 6,800 X 123 6,800
SAPPI LTD -SPONS ADR COMMON 803069202 13,319 143,210 X 123 58,025 1,000 84,185
SARA LEE COMMON 803111103 107,072 4,580,638 X 123 2,667,384 24,800 1,888,454
SAWTEK INC COMMON 805468105 26,800 765,700 X 123 598,200 66,400 101,100
SCHERING-PLOUGH COMMON 806605101 51,962 1,191,115 X 123 581,508 6,300 603,307
SCHLUMBERGER LTD COMMON 806857108 36,939 592,799 X 123 268,337 7,700 316,762
SCHOLASTIC CORP CVT 144A SUB CV BND 807066AA3 19,245 210,039 X 123 202,233 7,806
SCHOOL SPECIALTY INC COMMON 807863105 3,110 184,300 X 123 127,300 9,600 47,400
SCHULER HOMES SUB CONV DEB CV BND 808188AA4 122,133 1,507,819 X 123 1,262,058 188,502 57,259
SCHWAB CHARLES CORP COMMON 808513105 1,243 37,160 X 123 20,900 3,200 13,060
SCORE BOARD INC COMMON 809173206 2 X 123 2
SCOTTS COMPANY COMMON 810186106 5,208 150,400 X 123 119,000 3,600 27,800
SEALED AIR CORP COMMON 81211K100 64,518 1,257,340 X 123 712,360 19,700 525,280
SEALED AIR CORP CVT PFD A CV PFD 81211K209 210 4,140 X 123 963 3,177
SEARS ROEBUCK & CO COMMON 812387108 701 22,329 X 123 6,950 15,379
SECURITY FIRST TECHNOLOGIES COMMON 814279105 11,309 290,900 X 123 222,600 30,000 38,300
SECURITY NATIONAL CORP COMMON 814784104 904 15,068 X 123 15,068
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 23 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
SELIGMAN COMM & INFO FD COMMON 816333108 74 2,006 X 123 2,006
SENSORMATIC ELECTRONICS CORP COMMON 817265101 79 6,200 X 123 6,200
SERVICE CORP INTL COMMON 817565104 57 5,400 X 123 5,400
SERVICEMASTER COMPANY COMMON 81760N109 108 6,749 X 123 6,749
SHERWIN WILLIAMS COMMON 824348106 2,614 124,850 X 123 86,800 38,050
SHOPKO STORES INC COMMON 824911101 1,888 65,100 X 123 50,200 14,900
SHONEYS INC SUB DEB CONV ZERO CV BND 825039AC4 66,650 3,332,496 X 123 2,858,777 263,992 209,727
SHOPNOW.COM INC COMMON 82508R105 5,452 469,000 X 123 369,700 11,600 87,700
SIEBEL SYSTEMS INC COMMON 826170102 12,317 184,865 X 123 123,755 61,110
SIEMENS AG -SPONS ADR COMMON 826197402 49 600 X 123 600
SIENA HOLDINGS COMMON 826203101 1 407 X 123 407
SIGMA ALDRICH COMMON 826552101 25 800 X 123 800
SIG CORP INC COMMON 826912107 228 8,928 X 123 8,928
SILICON GRAPHICS CVT SR NTS CV BND 827056AC6 91,091 1,095,829 X 1235 1,000,522 73,239 22,068
SIMON PROPERTY GROUP INC COMMON 828806109 6,380 284,340 X 123 110,382 173,958
SIZELER PROP INV CVT SUB DEBS CV BND 830137AA3 52,559 571,297 X 1235 428,992 76,922 65,383
SMITH BARNEY LARGE CAP GROWTH COMMON 83181J816 86 4,235 X 123 4,235
SMITH A O CORP COMMON 831865209 10,336 341,700 X 123 276,600 6,950 58,150
SMITHKLINE BEECHAM -SP ADR COMMON 832378301 6,029 104,628 X 123 66,650 37,978
SMURFIT-STONE CONTAINER CORP COMMON 832727101 1,442 66,700 X 123 43,200 23,500
SODEXHO MARRIOTT SERVICES COMMON 833793102 2,812 165,400 X 123 136,700 28,700
SOFTNET SYSTEMS COMMON 833964109 15 600 X 123 600
SOGEN INTL FUND COMMON 834062101 37 1,439 X 123 1,439
SOLECTRON CORP COMMON 834182107 64,622 899,860 X 123 410,400 7,900 481,560
SOLUTIA INC COMMON 834376105 56,942 3,185,585 X 123 2,337,050 77,040 771,495
SONAT INC COMMON 835415100 79 2,000 X 123 1,000 1,000
SONIC CORP COMMON 835451105 700 23,000 X 123 22,500 500
SOUTH AFRICAN BREWER SP ADR COMMON 836216309 10 X 123 10
SOUTHDOWN INC COMMON 841297104 4,435 82,900 X 123 76,200 6,700
SOUTHEAST BANKING CORP COMMON 841338106 3 5,000 X 123 5,000
SOUTHERN CO COMMON 842587107 958 37,220 X 123 11,700 25,520
SOUTHTRUST CORP COMMON 844730101 3,412 95,100 X 123 59,050 36,050
SOUTHWEST AIRLINES COMMON 844741108 1,592 104,816 X 123 97,161 7,655
SPARTECH CORP COMMON 847220209 3,175 108,300 X 123 74,600 5,800 27,900
SPEEDWAY MOTORSPORTS INC COMMON 847788106 49 1,140 X 123 1,140
SPIEKER PROPERTIES INC COMMON 848497103 31 900 X 123 600 300
SPORTSLINE USA INC COMMON 848934105 10,823 366,100 X 123 280,100 37,750 48,250
SPRINGS INDS INC -A COMMON 851783100 5,569 164,100 X 123 130,300 3,600 30,200
SPRINT CORP (FON GROUP) COMMON 852061100 14,661 270,245 X 123 163,850 106,395
SPRINT CORP (PCS GROUP) COMMON 852061506 21,351 286,342 X 123 47,725 238,617
STANCORP FINANCIAL GROUP COMMON 852891100 12,966 579,500 X 123 456,900 11,700 110,900
STANLEY WORKS COMMON 854616109 257 10,216 X 123 5,216 5,000
STAPLES INC COMMON 855030102 3,816 174,930 X 123 78,200 9,750 86,980
STARBUCKS CORP COMMON 855244109 2,495 100,700 X 123 59,600 41,100
STATE STREET CORP COMMON 857477103 29 455 X 123 55 400
STATE STR INVT CORP COMMON 857483101 192 15,147 X 123 15,147
STATEN ISLAND BANCORP INC COMMON 857550107 15,515 824,700 X 123 651,200 43,500 130,000
STEARNS & LEHMAN INC COMMON 857890107 2 1,000 X 123 1,000
STERLING BANCSHARES INC/TX COMMON 858907108 2,763 241,600 X 123 166,800 12,800 62,000
STERIS CORP COMMON 859152100 29 2,100 X 123 2,100
STERLING COMMERCE INC COMMON 859205106 52 2,805 X 123 2,805
STERLING SOFTWARE INC COMMON 859547101 4,896 244,800 X 123 163,600 81,200
STEWART INFO SVCS COMMON 860372101 15 800 X 123 800
STMICROELECTRONICS NV COMMON 861012102 111 1,500 X 123 1,500
STONE ENERGY CORP COMMON 861642106 20,828 408,400 X 123 307,300 48,150 52,950
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 24 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
STRATTEC SECURITY CORP COMMON 863111100 13 378 X 123 378
STRYKER CORP COMMON 863667101 40,148 785,290 X 123 315,740 469,550
SUIZA FOODS CORP COMMON 865077101 15 400 X 123 400
SUMMIT BANK CORP COMMON 866013105 99 6,800 X 123 1,200 5,600
SUN COMMUNITIES INC COMMON 866674104 14,620 442,200 X 123 354,600 9,900 77,700
SUN MICROSYSTEMS COMMON 866810104 35,922 386,255 X 123 191,700 2,500 192,055
SUNGARD DATA SYSTEMS COMMON 867363103 28,274 1,074,525 X 123 782,400 21,200 270,925
SUNOCO INC COMMON 86764P109 186 6,800 X 123 1,000 5,800
SUNTRUST BANK COMMON 867914103 752 11,444 X 123 7,640 3,804
SUPERVALU INC COMMON 868536103 3,131 141,900 X 123 77,700 64,200
SYBASE INC COMMON 871130100 7 624 X 123 624
SYBRON INTL CORP COMMON 87114F106 232 8,645 X 123 3,245 5,400
SYMANTEC CORP COMMON 871503108 2,746 76,355 X 123 51,955 24,400
SYSCO CORP COMMON 871829107 1,893 54,000 X 123 32,000 22,000
TCF FINANCIAL CORP COMMON 872275102 1,143 40,000 X 123 40,000
TD WATERHOUSE GROUP COMMON 872362108 19 1,500 X 123 1,500
TECO ENERGY INC COMMON 872375100 425 20,120 X 123 10,320 9,800
TEPPCO PARTNERS L P COMMON 872384102 28 1,400 X 123 1,400
TJX COMPANIES INC COMMON 872540109 34,974 1,246,250 X 123 675,500 570,750
TPI ENTERPRISES SUB CONV DEB CV BND 872623AA1 76,415 1,528,305 X 123 1,295,870 142,027 90,408
TRW INC COMMON 872649108 90 1,800 X 123 200 1,600
THE LASER CENTER COMMON 872934104 9,200 373,600 X 123 287,700 36,600 49,300
TMP WORLDWIDE INC COMMON 872941109 77 1,265 X 123 1,265
TANDY CORP COMMON 875382103 43,069 833,240 X 123 287,000 546,240
TANKNOLOGY-NDE INTL INC COMMON 87583E101 1 2,000 X 123 2,000
TARRANT APPAREL GROUP COMMON 876289109 11 1,000 X 123 1,000
TECHNE CORP COMMON 878377100 5,578 177,800 X 123 110,900 3,100 63,800
TECUMSEH PRODUCTS CO COMMON 878895200 5,635 112,420 X 123 75,300 37,120
TEKELEC COMMON 879101103 7,487 542,000 X 123 429,000 12,400 100,600
TEKTRONIX INC COMMON 879131100 10,378 309,800 X 123 241,000 5,800 63,000
TELECOM NEW ZEALAND ADR COMMON 879278208 32 1,000 X 123 1,000
TELEBRAS SPON ADR COMMON 879287100 1,060 X 123 710 350
TELEBRAS -SPONS ADR PFD BLOCK COMMON 879287308 35 470 X 123 120 350
TELEFLEX INC COMMON 879369106 1,585 40,200 X 123 17,900 22,300
TELEFONOS DE MEXICO S A REP L COMMON 879403780 86 1,200 X 123 1,200
TELEPHONE DATA & SYSTEM COMMON 879433100 2,673 30,100 X 123 18,600 11,500
TELIGENT INC -CL A COMMON 87959Y103 104 2,100 X 123 2,100
TELLABS INC COMMON 879664100 908 15,950 X 123 3,550 12,400
TELXON CORP CVT SUB NTS CV BND 879700AC6 58,223 856,215 X 123 659,852 163,637 32,726
TELXON CORP COMMON 879700102 757 90,400 X 123 60,200 4,800 25,400
TEMPLE INLAND INC COMMON 879868107 65 1,058 X 123 1,058
TEMPLETON DEV MKTS TR CL I COMMON 88018W104 234 18,947 X 123 18,947
TEMPLETON EMERG MKTS INC FD COMMON 880192109 23 2,281 X 123 2,281
TEMPLETON FOREIGN FD COMMON 880196209 690 67,311 X 123 7,773 59,538
TENAGA NASIONAL BHD -SP ADR COMMON 880277108 404 49,225 X 123 49,225
TENET HEALTHCARE CVT SUB NTS CV BND 88033GAD2 40,163 513,269 X 1235 457,498 45,395 10,376
TENET HEALTHCARE CORP COMMON 88033G100 144,192 8,210,002 X 123 5,238,932 63,300 2,907,770
TENNECO INC NEW COMMON 88037E101 37,980 2,234,120 X 123 1,378,020 2,800 853,300
TERADYNE INC COMMON 880770102 1,283 36,400 X 123 24,300 12,100
TERAYON COMMUNICATIONS SYS COMMON 880775101 70 1,440 X 123 1,440
TETRA TECH INC COMMON 88162G103 7,134 427,500 X 123 341,750 9,875 75,875
TEXACO INC COMMON 881694103 106,485 1,686,887 X 123 979,603 2,000 705,284
TEXAS INSTRUMENTS COMMON 882508104 51,053 620,705 X 123 246,185 9,400 365,120
TEXAS PACIFIC LAND TRUST COMMON 882610108 23 500 X 123 500
TEXAS UTILITIES CO (HLDG) COMMON 882848104 94,755 2,539,454 X 123 1,431,945 2,300 1,105,209
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 25 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
TEXTRON INC COMMON 883203101 875 11,303 X 123 5,173 6,130
TEXTRON INC CVT PFD A CV PFD 883203200 707 2,107 X 123 2,107
THERAGENICS CORP COMMON 883375107 3,501 274,600 X 123 220,300 8,600 45,700
THERMO ELECTRON 144A CVT CV BND 883556AF9 391,556 4,586,310 X 123 4,415,282 171,028
THERMO ELECTRON CORP COMMON 883556102 164 12,200 X 123 12,200
THERMO INSTRUMENT 144A CVT DEB CV BND 883559AC0 80,824 934,376 X 1236 911,159 23,217
THERMO TERRATECH 144A SUB CVT CV BND 883598AA2 145,181 1,728,340 X 123 1,627,337 101,003
THERMEDICS INC CVT DEBS CV BND 883901AD2 252 3,148 X 123 3,148
THOMAS & BETTS COMMON 884315102 7,533 147,700 X 123 97,550 50,150
3DO COMPANY COMMON 88553W105 4,016 399,100 X 123 275,600 21,200 102,300
3COM CORP COMMON 885535104 3,078 107,050 X 123 80,400 26,650
TIDEWATER INC COMMON 886423102 12,135 475,900 X 123 404,700 7,000 64,200
TIFFANY & CO COMMON 886547108 432 7,200 X 123 4,800 2,400
TIME WARNER INC COMMON 887315109 141,700 2,332,508 X 123 1,284,275 6,150 1,042,083
TITAN INTL INC COMMON 88830M102 10 1,000 X 123 1,000
TIVO INC COMMON 888706108 195 6,500 X 123 4,700 1,800
TOO INC COMMON 890333107 14 756 X 123 756
TORCHMARK CORP COMMON 891027104 309 11,926 X 123 2,000 9,926
TOSCO CORP COMMON 891490302 315 12,475 X 123 4,000 8,475
TOTAL RENAL CARE HLDGS COMMON 89151A107 45 6,000 X 123 6,000
TOWER AUTOMOTIVE INC COMMON 891707101 6,865 346,500 X 123 283,800 4,700 58,000
TOYOTA MOTOR CORP UNSP ADR COMMON 892331307 29 457 X 123 457
TOYS R US COMMON 892335100 14 900 X 123 900
TRANS-INDUSTRIES INC COMMON 893239103 33 5,671 X 123 5,671
TRANSACTION NETWORK SERVICES COMMON 893414102 3,835 97,700 X 123 77,800 2,400 17,500
TRANSWITCH CORP COMMON 894065101 27,200 477,200 X 123 376,200 34,100 66,900
TREDEGAR CORP COMMON 894650100 1,539 72,000 X 123 72,000
TRI CONTL CORP COMMON 895436103 979 33,464 X 123 33,131 333
TRIAD HOSPITALS INC COMMON 89579K109 34 X 123 34
TRIGEN ENERGY CORP COMMON 895930105 2,785 121,400 X 123 81,300 6,100 34,000
TRICON GLOBAL RESTRAUNTS COMMON 895953107 72 1,760 X 123 240 1,520
TRIBUNE CO COMMON 896047107 43,774 879,874 X 123 2,000 877,874
TRIGON HEALTHCARE INC COMMON 89618L100 13,642 466,400 X 123 362,800 9,400 94,200
TRINITY INDS COMMON 896522109 1,050 34,000 X 123 27,300 6,700
TRINITECH GROUP PLC -SP ADR COMMON 896682101 118 9,000 X 123 9,000
TRUE NORTH COMMUNICATIONS COMMON 897844106 6,446 177,200 X 123 132,100 45,100
TRUSTMARK CORP COMMON 898402102 45 2,000 X 123 2,000
TUPPERWARE CORP COMMON 899896104 34 1,700 X 123 1,700
TYCO INTERNATIONAL LTD COMMON 902124106 130,432 1,263,265 X 123 624,123 5,171 633,971
UMB FINANCIAL CORP COMMON 902788108 4 100 X 123 100
USX-MARATHON GRP COM NEW COMMON 902905827 108,126 3,696,631 X 123 2,079,605 3,600 1,613,426
U S BANCORP COMMON 902973106 29,424 974,700 X 123 767,000 40,100 167,600
USAA INTERNATIONAL COMMON 903287308 738 34,824 X 123 34,824
USG CORP COMMON 903293405 52 1,100 X 123 1,100
U S FOODSERVICE COMMON 90331R101 9,139 507,700 X 123 402,500 12,500 92,700
ULTRAMAR DIAMOND SHAMROCK CORP COMMON 904000106 409 16,050 X 123 2,300 13,750
UNICAPITAL CORP COMMON 90459D108 4,602 1,443,400 X 123 1,141,800 33,900 267,700
UNILEVER PLC -SP ADR COMMON 904767704 137 3,571 X 123 3,571
UNILEVER NV -NY SHS COMMON 904784709 1,589 23,330 X 123 15,463 7,867
UNICOM CORP COMMON 904911104 97,804 2,647,800 X 123 1,556,170 2,600 1,089,030
UNION CARBIDE COMMON 905581104 802 14,120 X 123 6,900 7,220
UNION PACIFIC COMMON 907818108 139 2,891 X 123 2,291 600
UNION PACIFIC RESOURCES GRP COMMON 907834105 17 1,072 X 123 564 508
UNIONBANCAL CORPORATION COMMON 908906100 3,175 87,575 X 123 53,800 33,775
UNISYS CORP COMMON 909214108 42,291 937,200 X 123 770,650 35,200 131,350
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 26 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
UNITED HEALTHCARE CORP COMMON 910581107 88 1,800 X 123 1,800
UNITED RENTALS INC COMMON 911363109 33,914 1,559,270 X 123 1,352,820 46,500 159,950
U S AIRWAYS GROUP INC COMMON 911905107 105 3,981 X 123 3,981
U S WEST INC COMMON 91273H101 6,752 118,330 X 123 17,282 3,000 98,048
UNITED STATIONERS INC COMMON 913004107 6,217 291,700 X 123 230,400 7,100 54,200
UNITED TECHNOLOGIES COMMON 913017109 35,830 604,087 X 123 295,039 13,566 295,482
UNIVERSAL FOODS CORP COMMON 913538104 335 14,600 X 123 5,700 8,900
UNIVISION COMMUNICATIONS COMMON 914906102 301 3,700 X 123 3,700
UNOCAL CORP COMMON 915289102 5,061 136,550 X 123 93,350 43,200
UNOVA INC COMMON 91529B106 6,940 518,900 X 123 402,700 13,500 102,700
UNUMPROVIDENT CORP COMMON 91529Y106 20,774 705,672 X 123 604,408 30,000 71,264
UROMED CORP SUB CONV NTS CV BND 917274AC6 8,255 194,241 X 123 166,912 21,833 5,496
USWEB CORP COMMON 917327108 7,062 205,800 X 123 161,000 4,400 40,400
VALERO ENERGY CORP COMMON 91913Y100 8,609 447,200 X 123 349,400 9,000 88,800
VAN KAMPEN ASIAN GROWTH FD COMMON 921133708 20 1,845 X 123 1,845
VANGUARD WELLINGTON COMMON 921935102 57 1,957 X 123 1,957
VANGUARD WINDSOR II COMMON 922018205 466 16,412 X 123 15,840 572
VARIAN MEDICAL SYSTEMS COMMON 92220P105 9,485 433,600 X 123 341,600 10,600 81,400
VARIAN INC COMMON 922206107 133 7,500 X 123 7,500
VARIAN SEMICONDUCTOR COMMON 922207105 158 7,500 X 123 7,500
VASTAR RESOURCES INC COMMON 922380100 1,082 17,300 X 123 9,400 7,900
VEECO INSTRUMENTS INC COMMON 922417100 4,088 146,000 X 123 115,500 3,500 27,000
VANGUARD INDEX TR 500 PORT COMMON 922908108 344 2,903 X 123 873 2,030
VENTURE STORES INC COMMON 923275101 13 X 123 13
VERISIGN INC COMMON 92343E102 21,502 201,900 X 123 75,200 7,400 119,300
VERITAS SOFTWARE CORP COMMON 923436109 334 4,400 X 123 2,000 2,400
VERSATEL TELECOM INTL -ADR COMMON 925301103 5 500 X 123 500
VERTICALNET INC COMMON 92532L107 86 2,330 X 123 2,330
VIAD CORP COMMON 92552R109 81,032 2,746,847 X 123 1,943,320 41,200 762,327
VIGNETTE CORP COMMON 926734104 322 3,560 X 123 3,560
VIRAGEN INC COMMON 927638106 2 3,000 X 123 3,000
VISIO CORP COMMON 927914101 789 20,100 X 123 15,700 400 4,000
VISHAY INTERTECHNOLOGY INC COMMON 928298108 6,723 283,060 X 123 223,343 6,900 52,817
VISX INC COMMON 92844S105 206 2,600 X 123 2,600
VITESSE SEMICONDUCTOR CORP COMMON 928497106 307 3,600 X 123 3,600
VODAFONE AIRTOUCH PLC -SP ADR COMMON 92857T107 951 4,000 X 123 3,850 150
WPS RESOURCES CORP COMMON 92931B106 727 25,900 X 123 20,800 5,100
WABASH NATIONAL CORP COMMON 929566107 3,240 159,500 X 123 110,200 8,500 40,800
WACHOVIA CORP COMMON 929771103 712 9,060 X 123 1,500 7,560
WADDELL & REED FINL -A COMMON 930059100 13 564 X 123 564
WADDELL & REED FINL -B COMMON 930059209 52 2,430 X 123 2,430
WAL MART STORES COMMON 931142103 25,336 532,688 X 123 316,879 215,809
WALGREEN CO COMMON 931422109 5,490 216,367 X 123 145,610 70,757
WALLACE COMP SVCS COMMON 932270101 385 19,000 X 123 8,000 11,000
WARNACO GRP INC COMMON 934390105 177 9,700 X 123 4,700 5,000
WARNER LAMBERT COMMON 934488107 4,474 67,412 X 123 14,045 53,367
WASHINGTON FEDERAL INC COMMON 938824109 345 14,868 X 123 14,868
WASHINGTON GAS & LIGHT COMMON 938837101 7,310 269,500 X 123 210,900 5,500 53,100
WASHINGTON MUTUAL INC COMMON 939322103 31,176 1,065,856 X 123 888,796 32,900 144,160
AMERICAN FDS-WASH MUTUAL INV COMMON 939330106 591 18,296 X 123 18,296
WASHINGTON TRUST BANCORP COMMON 940610108 163 10,680 X 123 10,680
WASTE MANAGEMENT INC COMMON 94106L109 42,127 2,188,405 X 123 1,629,668 62,295 496,442
WAVE SYSTEMS CORP -A COMMON 943526103 11 1,000 X 123 1,000
WEATHERFORD INTL COMMON 947074100 188 5,888 X 123 2,755 3,133
WELLPOINT HEALTH NETWORKS COMMON 94973H108 275 4,825 X 123 1,400 3,425
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
FILE NO. 28-398
PG 27 FORM 13F NAME OF REPORTING MANAGER LOOMIS SAYLES & CO., INC 9/30/99
VOTING AUTHORITY (SHARES)
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
INVEST DISCRETION
NAME OF ISSUER CLASS CUSIP MKT VAL SHARES A B C MANAGERS (A)SOLE (B)SHARED (C)NONE
(000) --------- --------- ---------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
WELLS FARGO COMPANY COMMON 949746101 61,329 1,547,740 X 123 881,740 4,800 661,200
WENDYS INTL COMMON 950590109 3,281 123,800 X 123 105,700 18,100
WESTERN BANCORP COMMON 957683105 51 1,312 X 123 1,312
WESTERN DIGITAL 144A CVT CV BND 958102AF2 19,652 1,355,307 X 123 1,114,481 175,112 65,714
WESTERN DIGITAL CVT SUB DEBS CV BND 958102AH8 11,304 779,598 X 123 704,924 74,674
WESTERN GAS RES CONV PFD 5.25% CV PFD 958259301 4,587 132,716 X 12356 92,838 33,588 6,290
WESTERN WIRELESS CORP COMMON 95988E204 96 2,145 X 123 2,145
WESTWOOD ONE INC COMMON 961815107 5,808 128,710 X 123 43,610 51,000 34,100
WET SEAL INC CL A COMMON 961840105 2,958 178,600 X 123 143,400 3,800 31,400
WEYERHAEUSER CO COMMON 962166104 749 13,000 X 123 600 12,400
WHIRLPOOL CORP COMMON 963320106 3,353 51,335 X 123 31,600 19,735
WHITMAN CORP COMMON 96647R107 7,022 492,800 X 123 393,500 11,300 88,000
WHOLE FOODS MARKET INC COMMON 966837106 36 1,085 X 123 1,085
WILD OATS MARKETS COMMON 96808B107 10,594 268,200 X 123 187,800 42,900 37,500
WILLAMETTE INDS INC COMMON 969133107 55,753 1,292,825 X 123 745,355 1,200 546,270
WILLIAMS COS INC COMMON 969457100 372 9,888 X 123 8,289 1,599
WILLIAMS-SONOMA INC COMMON 969904101 49 1,000 X 123 1,000
WIND RIVER SYS CVT SUB NTS CV BND 973149AC1 23,539 255,166 X 123 221,917 27,063 6,186
WISCONSIN CENTRAL TRANS COMMON 976592105 4,461 325,900 X 123 257,200 7,700 61,000
WISCONSIN ENERGY CORP COMMON 976657106 26 1,125 X 123 1,125
WOLVERINE TUBE INC COMMON 978093102 3 200 X 123 200
WOODHEAD INDS INC COMMON 979438108 1,208 119,300 X 123 79,300 6,300 33,700
WORTHINGTON INDS COMMON 981811102 13,004 764,950 X 123 601,600 14,600 148,750
WRIGLEY W M JR COMMON 982526105 1,308 19,012 X 123 13,600 5,412
XILINX INC COMMON 983919101 262 4,000 X 123 4,000
XOMED SURGICAL PRODUCTS COMMON 98412V107 16,262 285,300 X 123 218,950 28,400 37,950
XEROX CORP COMMON 984121103 148,470 3,540,228 X 123 2,344,640 31,900 1,163,688
XYVISION SERIES B CVT PFD CV PFD 9841809D3 5 5,070 X 123 5,070
YAHOO! INC COMMON 984332106 69 386 X 123 386
YORK INTERNATIONAL CORP COMMON 986670107 812 22,600 X 123 18,500 4,100
YOUNG & RUBICAM INC COMMON 987425105 44 1,000 X 123 1,000
YOUNG BROADCASTING INC -A COMMON 987434107 8,993 171,700 X 123 132,450 16,250 23,000
ZALE CORP COMMON 988858106 43 1,130 X 123 1,000 130
ZANY BRAINY INC COMMON 98906Q101 2 200 X 123 200
ZENITH CORP SUB DEB CONV CV BND 989349AB1 25,026 1,472,096 X 123 1,182,592 198,560 90,944
ZIONS BANCORP COMMON 989701107 1,306 23,700 X 123 18,700 5,000
COLUMN TOTALS 31,191,726
INVESTMENT DISCRETION A = SOLE
B = SHARED-AS DEFINED IN INSTR Y
C = SHARED-OTHER
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