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: Amica Mutual Insurance Company
Address: 100 Amica Way, Lincoln, RI 02865-1156
13F File Number: 28-2565
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: Robert A. DiMuccio
Title: Sr. Vice President and Treasurer
Phone: (401)334-6000
Signature, Place, and Date of Signing:
Robert A. DiMuccio Lincoln, Rhode Island September 30, 1999
Report Type (Check only one.):
[X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 154
Form 13F Information Table Value Total: 882,457,132
List of Other Included Managers:
No. 13F File Number Name
<PAGE>
<TABLE> <C> <C>
ITEM 8
ITEM 6 VOTING
INVESTMENT DISCRETION AUTHORITY
ITEM 5 ------------------------ (SHARES)
ITEM 2 ITEM 3 ITEM 4 SHARES OR (C) ----------------
ITEM 1 TITLE OF CUSIP FAIR MARKET PRINCIPAL (A) (B) SHARED ITEM 7 (A) (B) (C)
NAME OF ISSUER CLASS NUMBER VALUE AMOUNT SOLE SHARED -OTHER MGR SOLE SHARED NONE
- ------------------------------------------------------------------------------------------------------------------------------------
AIR PRODS & CHE COM 009158-10-6 4972500 170000 170000 170000
ALBERTSONS INC COM 013104-10-4 996988 25200 25200 25200
ALCATEL SPONSORED ADR 013904-30-5 904650 32600 32600 32600
ALCOA INC COM 013817-10-1 2482520 40000 40000 40000
ALLERGAN INC COM 018490-10-2 0 0 0 0
ALLERGAN SPECIA CL A 018494-10-4 39000 3250 3250 3250
ALLTEL CORP COM 020039-10-3 1475482 20966 20966 20966
AMERICAN ELEC P COM 025537-10-1 1384349 40567 40567 40567
AMERICAN HOME P COM 026609-10-7 9960000 240000 240000 240000
AMERICAN INTL G COM 026874-10-7 15129127 174022 174022 174022
AMERITECH CORP COM 030954-10-1 3070500 46000 46000 46000
AMR CORP COM 001765-10-6 2981150 54700 54700 54700
APPLIED MATLS I COM 038222-10-5 3945618 50788 50788 50788
ARCHSTONE CMNTY SH BEN INT 039581-10-3 711000 36000 36000 36000
AT&T CORP COM 001957-10-9 12935291 297363 297363 297363
ATLANTIC RICHFI COM 048825-10-3 6381000 72000 72000 72000
AUTODESK INC COM 052769-10-6 96338 4404 4404 4404
AVNET INC COM 053807-10-3 1260000 30000 30000 30000
BANK NEW YORK I COM 064057-10-2 95967 2870 2870 2870
BARD C R INC COM 067383-10-9 2588465 55000 55000 55000
BAXTER INTL INC COM 071813-10-9 2774031 46042 46042 46042
BELL ATLANTIC C COM 077853-10-9 4135711 61440 61440 61440
BELLSOUTH CORP COM 079860-10-2 3915000 87000 87000 87000
BORG-WARNER AUT COM 099724-10-6 1548000 36000 36000 36000
BP AMOCO P L C SPONSORED ADR 055622-10-4 8240166 74361 74361 74361
BRISTOL MYERS S COM 110122-10-8 29808000 441600 441600 441600
BROWN & SHARPE CL A 115223-10-9 143213 60300 60300 60300
BURLINGTON NORT COM 12189T-10-4 2475000 90000 90000 90000
BURLINGTON RES COM 122014-10-3 905888 24650 24650 24650
CABLETRON SYS I COM 126920-10-7 392200 25000 25000 25000
CAMPBELL SOUP C COM 134429-10-9 5125375 131000 131000 131000
CATERPILLAR INC COM 149123-10-1 8221950 150000 150000 150000
CENTRAL & SOUTH COM 152357-10-9 1161875 55000 55000 55000
CHEVRON CORPORA COM 166751-10-7 11537500 130000 130000 130000
CHOICEPOINT INC COM 170388-10-2 1617000 24000 24000 24000
COLGATE PALMOLI COM 194162-10-3 16470000 360000 360000 360000
COMPAQ COMPUTER COM 204493-10-0 201300 8800 8800 8800
COMPUTER SCIENC COM 205363-10-4 8437560 120000 120000 120000
CONOCO INC CL B 208251-40-5 2703719 98766 98766 98766
CORNING INC COM 219350-10-5 7267678 106000 106000 106000
COVANCE INC COM 222816-10-0 311518 32155 32155 32155
CROSS A T CO CL A 227478-10-4 167520 40000 40000 40000
CVS CORP COM 126650-10-0 6693332 164000 164000 164000
CYPRUS AMAX MIN COM 232809-10-3 3226350 164400 164400 164400
DARDEN RESTAURA COM 237194-10-5 293445 15000 15000 15000
DAYTON HUDSON C COM 239753-10-6 7045390 117300 117300 117300
DEXTER CORP COM 252165-10-5 4197713 112500 112500 112500
DU PONT E I DE COM 263534-10-9 2838660 46920 46920 46920
EASTMAN KODAK C COM 277461-10-9 7503891 99225 99225 99225
ECOLAB INC COM 278865-10-0 5101688 149500 149500 149500
EL PASO ENERGY COM 283905-10-7 954730 23720 23720 23720
ELECTRONIC DATA COM 285661-10-4 2382210 45000 45000 45000
EMERSON ELEC CO COM 291011-10-4 5055040 80000 80000 80000
EQUIFAX INC COM 294429-10-5 6750000 240000 240000 240000
EQUITY OFFICE P COM 294741-10-3 788175 33900 33900 33900
EXXON CORP COM 302290-10-1 28978724 381299 381299 381299
FEDERAL NATL MT COM 313586-10-9 12017290 191700 191700 191700
FIRST INDUSTRIA COM 32054K-10-3 740025 29900 29900 29900
FLEET FINL GROU COM 338915-10-1 6864990 187440 187440 187440
FLORIDA PROGRES COM 341109-10-6 2371931 51285 51285 51285
FORD MTR CO DEL COM 345370-10-0 3648150 72600 72600 72600
FPL GROUP INC COM 302571-10-4 2821000 56000 56000 56000
GABLES RESIDENT SH BEN INT 362418-10-5 720000 30000 30000 30000
GENERAL ELEC CO COM 369604-10-3 36754530 310000 310000 310000
GENERAL MLS INC COM 370334-10-4 1216875 15000 15000 15000
GIBRALTAR STL C COM 37476F-10-3 360177 17100 17100 17100
GOODYEAR TIRE & COM 382550-10-1 3097806 64370 64370 64370
GRAINGER W W IN COM 384802-10-4 6536568 136000 136000 136000
GTE CORP COM 362320-10-3 6150000 80000 80000 80000
HALLIBURTON CO COM 406216-10-1 2665000 65000 65000 65000
HANNAFORD BROS COM 410550-10-7 3655732 51900 51900 51900
HASBRO INC COM 418056-10-7 2241375 104250 104250 104250
HEINZ H J CO COM 423074-10-3 2992800 69600 69600 69600
HEWLETT-PACKARD COM 428236-10-3 12705000 140000 140000 140000
IDACORP INC COM 451107-10-6 1506250 50000 50000 50000
INGERSOLL-RAND COM 456866-10-2 6180525 112500 112500 112500
INTEL CORP COM 458140-10-0 24409591 328470 328470 328470
INTERNATIONAL B COM 459200-10-1 19785920 163520 163520 163520
JO-ANN STORES I CL A 47758P-10-9 399322 32105 32105 32105
KIMBERLY CLARK COM 494368-10-3 4937400 93600 93600 93600
KLA-TENCORP COR COM 482480-10-0 1810900 27860 27860 27860
LATIN AMERN DIS COM 51828C-10-6 647056 80250 80250 80250
LOCKHEED MARTIN COM 539830-10-9 686448 21000 21000 21000
LUCENT TECHNOLO COM 549463-10-7 16251447 250504 250504 250504
MATTEL INC COM 577081-10-2 1411985 74315 74315 74315
MCKESSON HBOC I COM 58155Q-10-3 4012295 138355 138355 138355
MDU RES GROUP I COM 552690-10-9 7163438 318375 318375 318375
MEDIAONE GROUP COM 58440J-10-4 3074085 45000 45000 45000
MELLON BK CORP COM 585509-10-2 9631881 286450 286450 286450
MERCK & CO INC COM 589331-10-7 23332680 360000 360000 360000
MINNESOTA MNG & COM 604059-10-5 7108662 74000 74000 74000
MOBIL CORP COM 607059-10-2 12090000 120000 120000 120000
MORGAN J P & CO COM 616880-10-0 11777804 103088 103088 103088
MORGAN STANLEY COM NEW 617446-44-8 11772816 132000 132000 132000
MORGAN STAN D W COM 61744U-10-6 8210253 831418 831418 831418
MORGAN STANLEY COM 61744G-10-7 2208569 200779 200779 200779
MORRISON MGMT S COM 618459-10-1 1414125 62850 62850 62850
MOTOROLA INC COM 620076-10-9 7691200 87400 87400 87400
NABISCO HLDGS C CL A 629526-10-4 1209705 35000 35000 35000
NCR CORP NEW COM 62886E-10-8 399302 12077 12077 12077
NEW CENTURY ENE COM 64352U-10-3 1170330 35000 35000 35000
NEW YORK TIMES CL A 650111-10-7 4125000 110000 110000 110000
NEWBRIDGE NETWO COM 650901-10-1 2085040 80000 80000 80000
NEWMONT MINING COM 651639-10-6 726622 28082 28082 28082
NEWPORT NEWS SH COM 652228-10-7 1339374 41450 41450 41450
NORTEL NETWORKS COM 656569-10-0 3325200 65200 65200 65200
NOVELLUS SYS IN COM 670008-10-1 2023140 30000 30000 30000
ORACLE CORP COM 68389X-10-5 8932788 196325 196325 196325
PENNEY J C INC COM 708160-10-6 558900 16200 16200 16200
PEPSICO INC COM 713448-10-8 4880000 160000 160000 160000
PITNEY BOWES IN COM 724479-10-0 6703180 110000 110000 110000
PNC BK CORP COM 693475-10-5 6533312 124000 124000 124000
POST PPTYS INC COM 737464-10-7 2417750 61500 61500 61500
PPG INDS INC COM 693506-10-7 7134000 118900 118900 118900
QUAKER OATS CO COM 747402-10-5 9281250 150000 150000 150000
QUEST DIAGNOSTI COM 74834L-10-0 865280 33280 33280 33280
RAYTHEON CO CL A 755111-30-9 200548 4135 4135 4135
RAYTHEON CO CL B 755111-40-8 5955000 120000 120000 120000
READERS DIGEST CL A NON VTG 755267-10-1 1316250 45000 45000 45000
RUBY TUESDAY IN COM 781182-10-0 2851875 146250 146250 146250
SBC COMMUNICATI COM 78387G-10-3 1494001 29258 29258 29258
SCHERING PLOUGH COM 806605-10-1 25676105 588564 588564 588564
SCUDDER NEW ASI COM 811183-10-2 1267709 87050 87050 87050
SEAGATE TECHNOL COM 811804-10-3 1531250 50000 50000 50000
SEMPRA ENERGY COM 816851-10-9 2895109 139101 139101 139101
SMITHKLINE BEEC ADR REP ORD 832378-30-1 9220000 160000 160000 160000
SONOSITE INC COM 83568G-10-4 435399 16666 16666 16666
SPACELABS MED I COM 846247-10-4 756250 50000 50000 50000
SPRINT CORP COM FON GROUP 852061-10-0 9765000 180000 180000 180000
SPRINT CORP PCS COM SER 1 852061-50-6 3355335 45000 45000 45000
SPX CORP COM 784635-10-4 2416037 26623 26623 26623
STATE STR CORP COM 857477-10-3 18250100 282400 282400 282400
SUN MICROSYSTEM COM 866810-10-4 37200000 400000 400000 400000
SYSCO CORP COM 871829-10-7 14025200 400000 400000 400000
SYSTEM SOFTWARE COM NEW 871839-20-5 7268 3750 3750 3750
TELEPHONE & DAT COM 879433-10-0 4440650 50000 50000 50000
TEMPLE INLAND I COM 879868-10-7 4117500 67500 67500 67500
TEXACO INC COM 881694-10-3 7842650 124240 124240 124240
TEXAS INSTRS IN COM 882508-10-4 4991753 60690 60690 60690
TEXTRON INC COM 883203-10-1 11606250 150000 150000 150000
TIME WARNER INC COM 887315-10-9 15552000 256000 256000 256000
TRICON GLOBAL R COM 895953-10-7 655008 16000 16000 16000
UNION PAC CORP COM 907818-10-8 1538016 32000 32000 32000
UNION PAC RES G COM 907834-10-5 3869158 238102 238102 238102
UNITED TECHNOLO COM 913017-10-9 12640787 213120 213120 213120
UNUMPROVIDENT C COM 91529Y-10-6 3414808 116000 116000 116000
U S WEST INC NE COM 91273H-10-1 2637908 46228 46228 46228
USX-US STL COM 90337T-10-1 229175 8900 8900 8900
VODAFONE AIRTOU SPONSORED ADR 92857T-10-7 5587125 23500 23500 23500
WACHOVIA CORP COM 929771-10-3 7548000 96000 96000 96000
WAL MART STORES COM 931142-10-3 8361575 175800 175800 175800
WARNER LAMBERT COM 934488-10-7 14071500 212000 212000 212000
WEYERHAEUSER CO COM 962166-10-4 2737188 47500 47500 47500
XEROX CORP COM 984121-10-3 2434074 58040 58040 58040
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