UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
"Washington, D.C. 20549"
Form 13F
Form 13F Cover Page
"Report for the Quarter Ended: December 31, 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: Acadian Asset Management
Address: Two International Place
"Boston, Massachusetts 02110"
13F Filer Number: 28-5990
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"
"informaiton 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: Jennie Gryczka
Title: Controller
Phone: 617-946-3576
"Signature, Place, and Date of Signing:"
"Jennie Gryczka, Boston, Massachusetts February 4, 2000"
Report type:
[ x ] 13 F HOLDINGS REPORT
List of Other Managers Reporting for this Manager:
NONE.
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE
ACT OF 1934.
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 190
Form 13F Information Table Value Total : 137,099,000
List of Other Included Managers: 0
<PAGE>
<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
NAME OF ISSUER TITLE OF CLASS CUSIP VALUE (x$1000) SHARES/PRN AMT SH/PRN
PUT/CALL INVSTMT DSCRETN OTHER MANAGERS SOLE SHARED NONE
NAME OF ISSUER TITLE OF CLASS CUSIP VALUE (x$1000) SHARES/PRN AMT SH/PRN
PUT/CALL INVSTMT DSCRETN OTHER MANAGERS SOLE SHARED NONE
ACTEL CORPORATION COM COM 00493410 118 4923 SH Sole 4923 0
0
ADAC LABS COM NEW COM NEW 00531320 105 9777 SH Sole 9777 0
0
ADOBE SYSTEMS INC COM 00724F10 983 14614 SH Sole 14614
0 0
ADVANTA CORP CL A 00794210 369 20205 SH Sole 20205 0
0
ADVANTA CORPORACION CL B 00794220 17 1200 SH Sole 1200 0
0
AETNA INC COMMON COMMON STOCK 00811710 597 10700 SH Sole
1070
0 0 0
AFLAC INSURANCE COMPANIES COM 00105510 264 5600 SH Sole 5600
0
0
AG EDWARDS INC COMMON COM 28176010 115 3600 SH Sole 3600 0
0
AK STEEL HOLDING COM 00154710 365 19329 SH Sole 19329
0 0
ALCOA INC ORD ORD 01381710 1187 14300 SH Sole 14300 0
0
ALLMERICA FINANCIAL CORP COMMON 01975410 1113 20000 SH Sole
20000 0 0
AMERICA ONLINE INC DEL COM 02364J10 486 6400 SH Sole 6400 0
0
AMERICA WEST AIRLINES CL B 02365720 141 6776 SH Sole 6776 0
0
AMERICAN TEL & TELEG CO COMMON STOCK 00195710 3913 77000 SH Sole
77000 0 0
ANHEUSER BUSCH COMPANIES INC. INCORPORATED COMMON STOCK 03522910 71
100
0 SH Sole 1000 0 0
APPLE COMPUTER COM 03783310 716 6964 SH Sole 6964 0 0
APPLIED MATLS INC COM 03822210 1520 12000 SH Sole 12000
0 0
ARKANSAS BEST CORPORACION DEL COM 04079010 44 3700 SH Sole
3700
0 0
ARVIN INDUSTRIES INC COM COM 04333910 56 1957 SH Sole 1957
0
0
ATLANTIC RICHFIELD CO COMMON STOCK 04882510 1938 22400 SH Sole
22400 0 0
AVX CORP COMMON 00244410 40 800 SH Sole 800 0 0
BEAR STEARNS COMPANIES INC COM 07390210 645 15078 SH Sole
1507
8 0 0
BELDEN INC COM 07745910 54 2585 SH Sole 2585 0 0
BELL ATLANTIC CORP COM 07785310 209 3400 SH Sole 3400 0 0
BELLSOUTH CORP COMMON STOCK 07986010 2046 43700 SH Sole
4370
0 0 0
BINDLEY WESTIN INDUSTRIES INC COM COM 09032410 33 2198 SH Sole
2198
0 0
BLANCH E W HOLDINGS INC COM COM 09321010 149 2427 SH Sole 2427
0
0
BLOCK H & R INC COM 09367110 357 8165 SH Sole 8165 0 0
BOEING CO. COMMON STOCK 09702310 1546 37300 SH Sole 37300
0 0
BOISE CASCADE CORP. COMMON STOCK 09738310 57 1400 SH Sole
1400
0 0
BORG-WARNER AUTOMOTIVE INC COM COM 09972410 78 1915 SH Sole
1915
0 0
BRIGGS & STRATTON CORP COM 10904310 250 4669 SH Sole 4669 0
0
BRISTOL MYERS SQUIBB COMMON STOCK 11012210 90 1400 SH Sole
1400
0 0
BURLINGTON NORTHERN SANTA FE COMMON 12189T10 1259 51900 SH Sole
51900 0 0
BURLINGTON RESOURCES INC COM 12201410 39 1175 SH Sole 1175
0
0
CANANDAIGUA WINE INC CL A CL A 13721920 221 4325 SH Sole 4325
0
0
CARNIVAL CRUISE LINES INC CL A 14365810 908 19000 SH Sole
1900
0 0 0
CENTEX CORP COM 15231210 309 12529 SH Sole 12529 0
0
CENTRAL NEWSPAPER INC CL A 15464710 90 2287 SH Sole 2287 0
0
CHASE MANHATTAN CORP NEW COMMON STOCK 16161A10 420 5400 SH Sole
5400 0 0
CHEVRON CORP. COMMON STOCK 16675110 1516 17500 SH Sole 17500
0 0
CIGNA CORP. COMMON STOCK 12550910 838 10400 SH Sole 10400
0 0
CIRCUIT CITY STORE INC COM COM 17273710 109 2412 SH Sole 2412
0
0
CIRCUS CIRCUS ENTERPRISES INC COM 56256710 404 20098 SH Sole
20098 0 0
CISCO SYSTEMS INC COM 17275R10 129 1200 SH Sole 1200 0 0
CITIGROUP INC ORD 17296710 4219 75765 SH Sole 75765 0
0
CLAIRES STORES INC COM 17958410 275 12291 SH Sole 12291
0 0
COLUMBIA HCA HEALTHCARE COM 19767710 302 10300 SH Sole 10300
0 0
COMMONWEALTH EDISON COMPANY COMMON STOCK 90491110 760 22701 SH
Sole
22701 0 0
COMPUTER ASSOC INT'L COMMON STOCK 20491210 881 12600 SH Sole
12600 0 0
CONAGRA INC. COMMON STOCK 20588710 41 1800 SH Sole 1800 0
0
CONSECO INC COM 20846410 110 6173 SH Sole 6173 0 0
CONSOLIDATED EDISON COMPANY COMMON COMMON 20911510 123 3559 SH
Sole
3559 0 0
CORUS GROUP PLC SPONSORED ADR SPONSORED ADR 22087M10 237 9143 SH
Sole
9143 0 0
CUMMINS ENGINE INC COM 23102110 522 10800 SH Sole 10800
0 0
D R HORTON INC COM 23331A10 974 70509 SH Sole 70509
0 0
DAYTON HUDSON CORP. COMMON STOCK 23975310 382 5200 SH Sole
5200
0 0
DELPHI AUTOMOTIVE SYS CORP COM SYS CORP COM 24712610 3316 210539 SH
S
ole 210539 0 0
DELTA AIR LINES COMMON STOCK 24736110 752 15100 SH Sole
1510
0 0 0
DILLARD DEPARTMENT STORES INC CL A 25406710 283 14000 SH Sole
14000 0 0
DOW CHEM CO COMMON STOCK 26054310 548 4100 SH Sole 4100 0
0
DOW JONES & CO. INC. COMMON STOCK 26056110 544 8000 SH Sole
8000
0 0
DTE HOLDINGS INC COMMON STOCK 23333110 47 1500 SH Sole 1500
0
0
ELECTRONIC DATA SYSTEMS COMMON 28566110 991 14800 SH Sole
1480
0 0 0
ENRON CORP. COMMON STOCK 29356110 160 3600 SH Sole 3600 0
0
ENSCO INTERNATIONAL INC COMMON 26874Q10 89 3900 SH Sole 3900
0
0
ENTERGY CORPORACION COM 29364G10 891 34600 SH Sole 34600
0 0
EXXON MOBIL CORPORATION COMMON STOCK COMMON STOCK 30231G10 1603 19897
SH
Sole 19897 0 0
F M C CORP COM NEW 30249130 81 1412 SH Sole 1412 0 0
FAIRFIELD CMNTYS INC COM PAR $0.01 COM PAR $0.01 30423130 66 6148 SH
S
ole 6148 0 0
FEDERAL NATIONAL MORTGAGE CORP. ASSOCIATION COMMON STOCK 31358610 1093 17500
SH Sole 17500 0 0
FEDERATED DEPT STORES COM 31410H10 1795 35500 SH Sole 35500
0 0
FIDELITY NATL FINL INC INCORPORATED COMMON STOCK 31632610 38 2652 SH
S
ole 2652 0 0
FIRST UN CORP COM 33735810 349 10600 SH Sole 10600 0
0
FLEETBOSTON FINL CORP COM COM 33903010 1702 48900 SH Sole
4890
0 0 0
FOOTSTAR INC COMMON 34491210 76 2508 SH Sole 2508 0 0
FORD MOTOR CO COM 34537010 4121 77300 SH Sole 77300 0
0
FOSSIL INCORPORATED COM COM 34988210 96 4145 SH Sole 4145 0
0
GANNETT COMPANY INC. COMMON STOCK 36473010 546 6700 SH Sole
6700
0 0
GAP INC COM 36476010 1172 25475 SH Sole 25475 0 0
GENERAL DYNAMICS COMMON STOCK 36955010 100 1900 SH Sole 1900
0
0
GENERAL MTRS CORP COMMON STOCK 37044210 8112 111600 SH Sole
1116
00 0 0
GENESCO INC COMMON STOCK 37153210 225 17300 SH Sole 17300
0 0
GENZYME CORP COM 37291710 165 3676 SH Sole 3676 0 0
GEORGIA PACIFIC CORP. COMMON STOCK 37329810 1031 20325 SH Sole
20325 0 0
GOLDEN WEST FINANCIAL CORPORACION DEL COM 38131710 783 23382 SH
Sole
23382 0 0
GTECH HOLDINGS CORP COM 40051810 120 5466 SH Sole 5466 0
0
GYMBOREE CORPORATION COM 40377710 28 5004 SH Sole 5004 0
0
HEALTHSOUTH REHABILITATION CP COM 42192410 73 13600 SH Sole
13600 0 0
HEWLETT PACKARD CO COMMON STOCK 42823610 865 7600 SH Sole 7600
0
0
HOME DEPOT COM 43707610 732 10650 SH Sole 10650 0
0
HONEYWELL INTERNATIONAL INC COM COM 43851610 1373 23800 SH Sole
23800 0 0
HUMANA INC. COMMON STOCK 44485910 130 15900 SH Sole 15900
0 0
IBP INC. COM 44922310 4619 256622 SH Sole 256622 0 0
ILLINOIS TOOL WORKS COMMON STOCK 45230810 345 5100 SH Sole
5100
0 0
INTEL CORP. COMMON STOCK NASD INDL 45814010 2321 28200 SH Sole
28200 0 0
INTERNATIONAL BUSINESS M COMMON STOCK 45920010 334 3100 SH Sole
3100 0 0
INTERNATIONAL PAPER COMMON STOCK 46014610 452 8000 SH Sole
8000
0 0
INTERVOICE INC COM COM 46114210 279 11982 SH Sole 11982
0 0
INTIMATE BRANDS CL A CL A 46115610 6 135 SH Sole 135 0
0
J.P. MORGAN & CO. COMMON STOCK 61688010 177 1400 SH Sole 1400
0
0
JOHNSON & JOHNSON COMMON STOCK 47816010 2313 24800 SH Sole
2480
0 0 0
K-SWISS INC CL A 48268610 54 2901 SH Sole 2901 0 0
KAUFMAN & BROAD HOME CORP COM 48616810 85 3532 SH Sole 3532
0
0
KIMBERLY CLARK CORP COM 49436810 1283 19600 SH Sole 19600
0 0
KNIGHT RIDDER INC COM 49904010 271 4549 SH Sole 4549 0 0
LAFARGE CORP. COMMON STOCK 50586210 167 6055 SH Sole 6055 0
0
LAKEHEAD PIPE LINE PARTNERS LP PREF UNIT PREF UNIT 51155710 52 1491 SH
S
ole 1491 0 0
LATTICE SEMICONDUCTOR CORP COM COM 51841510 271 5756 SH Sole
5756
0 0
LEAR CORP COM 52186510 314 9800 SH Sole 9800 0 0
LEHMAN BROTHERS HOLDING COM 52490810 5905 69732 SH Sole 69732
0 0
LENNAR CORP COM 52605710 82 5040 SH Sole 5040 0 0
LEXMARK INTERNATIONAL GROUP CL A CL A 52977110 514 5676 SH Sole
5676
0 0
LINCARE HOLDINGS INC COM COM 53279110 522 15059 SH Sole
1505
9 0 0
LOEWS CORP COMMON COM 54042410 2796 46078 SH Sole 46078
0 0
LUBRIZOL CORP COM COM 54927110 202 6558 SH Sole 6558 0 0
LUCENT TECHNOLOGIES COMMON 54946310 1395 18600 SH Sole
1860
0 0 0
MAY DEPARTMENT STORES COMMON STOCK 57777810 545 16900 SH Sole
16900 0 0
MCDERMOTT INTERNATIONAL INC COM 58003710 17 1900 SH Sole 1900
0
0
MCI WORLDCOM INC COM 55268B10 247 4650 SH Sole 4650 0 0
MERRILL LYNCH CO. COMMON STOCK 59018810 725 8700 SH Sole 8700
0
0
MGIC INVT CORPORACION WIS COM 55284810 223 3700 SH Sole 3700
0
0
MICRON TECHNOLOGY INC COMMON STOCK 59511210 202 2600 SH Sole
2600
0 0
MICROSOFT CORP COM 59491810 4343 37200 SH Sole 37200
0 0
MINNESOTA MNG & MFG CO COMMON STOCK 60405910 215 2200 SH Sole
2200
0 0
MORGAN STANLEY DEAN WITTER DISCOVER & CO. COM 61744644 3269 22900 SH
S
ole 22900 0 0
NACCO INDS INC CLASS A 62957910 59 1062 SH Sole 1062 0
0
NAVISTAR INTERNATIONAL COM 63934E10 174 3700 SH Sole 3700 0
0
NORTHROP CORPORATION COMMON STOCK 66680710 191 3528 SH Sole
3528
0 0
PACCAR INC COM 69371810 2592 58500 SH Sole 58500 0
0
PAINE WEBBER GROUP COMMON STOCK 69562910 978 25209 SH Sole
2520
9 0 0
PECO ENERGY COMPANY COM 69330410 108 3100 SH Sole 3100 0
0
PEDIATRIX MED GROUP COMMON COMMON 70532410 25 3639 SH Sole
3639
0 0
PFIZER INC. COMMON STOCK 71708110 2968 91500 SH Sole 91500
0 0
PHILIP MORRIS COS INS COMMON STOCK 71815410 173 7500 SH Sole
7500
0 0
PMI GROUP INC COMMON COMMON 69344M10 674 13800 SH Sole
1380
0 0 0
PNC FINL CORP COMMON STOCK 69347510 156 3500 SH Sole 3500 0
0
PUBLIC SERVICE ENTERPRISE GROUP COMMON STOCK 74457310 2782 79900 SH
S
ole 79900 0 0
PULTE CORP COM 74586710 89 3955 SH Sole 3955 0 0
QUIKSILVER INC COMMON STOCK NASD INDL 74838C10 91 5887 SH Sole
5887 0 0
RATIONAL SOFTWARE CORPORATION COM COM 75409P20 155 3165 SH Sole
3165
0 0
RES-CARE INC COM COM 76094310 45 3562 SH Sole 3562 0 0
REX STORES CORPORATION COM COM 76162410 66 1883 SH Sole 1883
0
0
REYNOLDS R J TOBACCO HOLDINGS INC COM INC COM 76182K10 51 2866 SH
Sole
2866 0 0
ROSS STORES INC COM NA COMMON STOCK NASD INDL 77829610 275 15330
SH
Sole 15330 0 0
SAFEWAY INC COM NEW 78651420 543 15200 SH Sole 15200
0 0
SCI SYSTEMS INC COM 78389010 181 2200 SH Sole 2200 0 0
SEARS ROEBUCK & CO COMMON STOCK 81238710 261 8600 SH Sole 8600
0
0
SMITHFIELD FOODS INC COM COM 83224810 117 4861 SH Sole 4861
0
0
SOLECTRON CORP COM 83418210 704 7400 SH Sole 7400 0 0
SONIC CORP COM COM 83545110 61 2135 SH Sole 2135 0 0
STATION CASINOS INC COM COM 85768910 222 9886 SH Sole 9886 0
0
SUNTRUST BKS CORP COM 86791410 461 6700 SH Sole 6700 0 0
SUPERVALU INC COM 86853610 902 45100 SH Sole 45100 0
0
SYMANTEC CORP COM 87150310 21 358 SH Sole 358 0 0
SYSCO CORP COM 87182910 182 4600 SH Sole 4600 0 0
TECH DATA CORP COM 87823710 117 4300 SH Sole 4300 0 0
TECUMSEH PRODUCTS CO CL A 87889520 100 2126 SH Sole 2126 0
0
TERADYNE INC COM COM 88077010 79 1200 SH Sole 1200 0 0
TEXACO INC COM 88169410 326 6000 SH Sole 6000 0 0
TEXAS UTILITIES CO. COMMON STOCK 88284810 644 18100 SH Sole
18100 0 0
TOLL BROTHERS INC COM 88947810 106 5700 SH Sole 5700 0 0
TOPPS INC COM COM 89078610 167 16136 SH Sole 16136 0
0
TOYS R US INC. COMMON STOCK 89233510 394 27532 SH Sole
2753
2 0 0
TRIBUNE CO NEW COMMON STOCK 89604710 226 4100 SH Sole 4100
0
0
TRW INC. COMMON STOCK 87264910 418 8047 SH Sole 8047 0 0
TYCO INTERNATIONAL LTD COM 90212410 406 10400 SH Sole 10400
0 0
U S HOME CORPORACION NEW COM 91192010 20 800 SH Sole 800
0
0
UAL CORP COM PAR $0.01 90254950 70 900 SH Sole 900 0 0
UNIONBANCAL CORP COM 90890610 12 300 SH Sole 300 0 0
UNITED GLOBAL COMMUNICATIONS CL A 91324750 19 272 SH Sole 272
0
0
UNITED HEALTHCARE CORP COM 91058110 4680 88100 SH Sole 88100
0 0
UNITED STATIONERS INC COM COM 91300410 239 8359 SH Sole 8359
0
0
UNITED TECHNOLOGIES CORP COMMON STOCK 91301710 715 11000 SH
Sole
11000 0 0
UNIVERSAL CORPORACION VA COM 91345610 123 5406 SH Sole 5406
0
0
US WEST INC COMMON COM 91273H10 475 6600 SH Sole 6600 0 0
USFREIGHTSWAYS CORP COM COM 91690610 334 6977 SH Sole 6977 0
0
USX CORP. COMMON STOCK NEW 90290582 328 13300 SH Sole
1330
0 0 0
VALUEVISION CLA CLA CLA 92047K10 803 14004 SH Sole 14004
0 0
VASTAR RESOURCES COMMON COMMON 92238010 1020 17291 SH Sole
1729
1 0 0
VORNADO RLTY TR SH BEN INT SH BEN INT 92904210 93 2855 SH Sole
2855 0 0
WAL MART STORES INC COMMON STOCK 93114210 4503 65150 SH Sole
65150 0 0
WASHINGTON FEDERAL INC COM COM 93882410 108 5453 SH Sole 5453
0
0
WASTE MANAGEMENT INC ORD 94106L10 70 4100 SH Sole 4100 0
0
WELLPOINT HEALTH NETWORKS INC CL A 94973H10 135 2053 SH Sole
2053
0 0
WELLS FARGO AND COMPANY COM 94974610 279 6900 SH Sole 6900 0
0
WERNER ENTERPRISES INC COM COM 95075510 34 2413 SH Sole 2413
0
0
WESTCORP INC COM 95790710 107 7400 SH Sole 7400 0 0
WEYERHAEUSER CO. COMMON STOCK 96216610 637 8868 SH Sole 8868
0
0
WHIRLPOOL CORP COM 96332010 234 3600 SH Sole 3600 0 0
WILLAMETTE INDUSTRIES INC COM 96913310 390 8400 SH Sole 8400
0
0
</TABLE>
