<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: March 31, 2000
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: Jennison Associates LLC
Address: 466 Lexington Avenue, New York, NY 10017
Form 13F File Number: 28-74
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: Karen E. Kohler
Title: Senior Vice President
Phone: 212-421-1000
Signature, Place and Date of Signing:
/s/ Karen E. Kohler New York, New York May 11, 2000
Report Type (Check only one):
[X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
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FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 1
Form 13F Information Table Entry Total: 147
Form 13F Information Table Value Total: $48,305,966
List of Other Included Managers:
No. 13F File Number Name
01 28-256 Prudential Insurance Company
of America
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<TABLE> 03/31/2000
VALUE SHARES/
SH/ PUT/ INVSTMT -----VOTING AUTHORITY-----
NAME OF ISSUER -TITLE OF CLASS- --CUSIP-- x$1000 PRN AMT
PRN CALL DSCRETN -MANAGERS- SOLE SHARED NONE
<C>
<C>
D AMR CORP COMMON 001765106 8377 262800 SH
DEFINED 01 225400 0 37400
D AT&T LIBERTY MEDIA GROUP COMMON 001957208 830524 14002500 SH
DEFINED 01 13372300 0 630200
D ALCAN ALUMINIUM LTD. COMMON 013716105 7807 229200 SH
DEFINED 01 228000 0 1200
D ALLEGIANCE TELECOM, INC. COMMON 01747T102 518572 6431900 SH
DEFINED 01 6116200 0 315700
D ALLERGAN COMMON 018490102 6060 121200 SH
DEFINED 01 121200 0 0
D ALLSCRIPTS INC. COMMON 019886100 5231 87000 SH
DEFINED 01 87000 0 0
D ALLSTATE INSURANCE COMMON 020002101 16369 687400 SH
DEFINED 01 600600 0 86800
D ALZA CORP. COMMON 022615108 1251 33300 SH
DEFINED 01 32300 0 1000
D AMAZON COM INC. COMMON 023135106 5903 88100 SH
DEFINED 01 88100 0 0
D AMERICA ON-LINE COMMON 02364J104 781068 11582100 SH
DEFINED 01 11089100 0 493000
D AMERICAN EXPRESS CO. COMMON 025816109 686483 4609200 SH
DEFINED 01 4378500 0 230700
D AMERICAN HOME PRODUCTS COMMON 026609107 844058 15703400 SH
DEFINED 01 14937300 0 766100
D AMERICAN INTL. GROUP COMMON 026874107 963378 8797975 SH
DEFINED 01 8358575 0 439400
D AMGEN INC. COMMON 031162100 574654 9363000 SH
DEFINED 01 8892200 0 470800
D ANADARKO PETROLEUM CORP COMMON 032511107 11656 301300 SH
DEFINED 01 299900 0 1400
D APPLIED MATERIALS INC. COMMON 038222105 782916 8306800 SH
DEFINED 01 7907500 0 399300
D APPLIED MICRO CIRCUITS CORP COMMON 03822W109 257942 1718900 SH
DEFINED 01 1634500 0 84400
D ASPECT MEDICAL SYSTEMS, INC. COMMON 045235108 718 20000 SH
DEFINED 01 20000 0 0
D AUTOZONE INC COMMON 053332102 11286 406700 SH
DEFINED 01 403700 0 3000
D AVALONBAY COMMUNITIES INC. COMMON 053484101 6902 188444 SH
DEFINED 01 188444 0 0
D AVIRON COMMON 053762100 10616 381700 SH
DEFINED 01 381700 0 0
D BANK OF AMERICA CORP. COMMON 060505104 313 5970 SH
DEFINED 01 4636 0 1334
D BOEING CO. COMMON 097023105 10278 271800 SH
DEFINED 01 270300 0 1500
D BOISE CASCADE CORP. COMMON 097383103 19227 553300 SH
DEFINED 01 457000 0 96300
D BOWATER INC COMMON 102183100 11908 223100 SH
DEFINED 01 223100 0 0
D BRISTOL-MYERS SQUIBB CO. COMMON 110122108 751715 12960600 SH
DEFINED 01 12286700 0 673900
D BROADCOM CORP. - CL. A CL A 111320107 481257 1981500 SH
DEFINED 01 1887400 0 94100
D BURLINGTON RESOURCES INC. COMMON 122014103 11666 315300 SH
DEFINED 01 314000 0 1300
D CBS CORPORATION COMMON 12490K107 1048402 18514840 SH
DEFINED 01 17594640 0 920200
D CIGNA CORP. COMMON 125509109 15075 199000 SH
DEFINED 01 197500 0 1500
D CK WITCO CORP COMMON 12562C108 8657 849795 SH
DEFINED 01 730827 0 118968
D CHAMPION INTERNATIONAL CORP. COMMON 158525105 10490 197000 SH
DEFINED 01 197000 0 0
D CHASE MANHATTAN CORP COMMON 16161A108 564940 6479600 SH
DEFINED 01 6155600 0 324000
D CISCO SYSTEMS INC. COMMON 17275R102 2135286 27618900 SH
DEFINED 01 26353000 0 1265900
D CITIGROUP INC COMMON 172967101 1650251 27561600 SH
DEFINED 01 26301675 0 1259925
D CITRIX SYSTEMS INC. COMMON 177376100 2736 41300 SH
DEFINED 01 41300 0 0
D CLEAR CHANNEL COMMUNICATIONS I COMMON 184502102 650076 9412859 SH
DEFINED 01 8964659 0 448200
D COLUMBIA HCA HEALTHCARE CORP COMMON 197677107 23082 911900 SH
DEFINED 01 816800 0 95100
D CORNING INC. COMMON 219350105 422978 2180300 SH
DEFINED 01 2070700 0 109600
D CYGNUS INC COMMON 232560102 6843 471900 SH
DEFINED 01 471900 0 0
D CYTEC INDUSTRIES INC. COMMON 232820100 11059 361100 SH
DEFINED 01 361100 0 0
D DANA CORP COMMON 235811106 7230 256500 SH
DEFINED 01 254800 0 1700
D DELL COMPUTER CORP. COMMON 247025109 658323 12205300 SH
DEFINED 01 11646200 0 559100
D DEXTER CORPORATION COMMON 252165105 19403 366100 SH
DEFINED 01 313300 0 52800
D DIAMOND OFFSHORE DRILLING COMMON 25271C102 11794 295300 SH
DEFINED 01 293100 0 2200
D DIEBOLD, INC. COMMON 253651103 15538 565000 SH
DEFINED 01 486900 0 78100
D EMC CORP. MASS. COMMON 268648102 831682 6600650 SH
DEFINED 01 6297050 0 303600
D ENGELHARD CORP COMMON 292845104 10190 673700 SH
DEFINED 01 571500 0 102200
D EQUANT N V-REGISTERED SHARES COM N.Y.REG 294409107 395149 4645400 SH
DEFINED 01 4409300 0 236100
D FLEET BOSTON FINANCIAL CORP COMMON 339030108 13531 370700 SH
DEFINED 01 337000 0 33700
D GAP INC. COMMON 364760108 760717 15271612 SH
DEFINED 01 14494152 0 777460
D GENENTECH INC. COMMON 368710406 455119 2994200 SH
DEFINED 01 2842300 0 151900
D GENERAL ELECTRIC CO. COMMON 369604103 986841 6341150 SH
DEFINED 01 6032150 0 309000
D GENERAL MOTORS CORP COMMON 370442105 29805 359900 SH
DEFINED 01 321600 0 38300
D GENERAL MOTORS CL H CLASS H 370442832 196461 1578000 SH
DEFINED 01 1501100 0 76900
D GENTEX CORP COMMON 371901109 8365 225700 SH
DEFINED 01 224200 0 1500
D B.F. GOODRICH COMMON 382388106 11148 388600 SH
DEFINED 01 385800 0 2800
D JOHN HANCOCK FINANCIAL SERVICE COMMON 41014S106 7227 400100 SH
DEFINED 01 400100 0 0
D THE HARTFORD FINANCIAL SVCS GR COMMON 416515104 22904 434200 SH
DEFINED 01 432400 0 1800
D HEALTH MANAGEMENT ASSOCIATES CL A 421933102 13372 938400 SH
DEFINED 01 932800 0 5600
D HERTZ CORP-CL A CL A 428040109 13203 387600 SH
DEFINED 01 332800 0 54800
D HEWLETT PACKARD CO. COMMON 428236103 1532038 11529920 SH
DEFINED 01 11001120 0 528800
D HILTON HOTELS CORP COMMON 432848109 9610 1239882 SH
DEFINED 01 1145882 0 94000
D HOME DEPOT INC COMMON 437076102 1568028 24310509 SH
DEFINED 01 23099512 0 1210997
D IMS HEALTH INC. COMMON 449934108 5335 315000 SH
DEFINED 01 312500 0 2500
D INFINITY BROADCASTING CORP - A CL A 45662S102 12866 397400 SH
DEFINED 01 397400 0 0
D INFORMIX CORP. COMMON 456779107 14373 848600 SH
DEFINED 01 680800 0 167800
D INTEL CORP COMMON 458140100 1664297 12614280 SH
DEFINED 01 11993080 0 621200
D INT'L BUSINESS MACHINES CORP. COMMON 459200101 550304 4663600 SH
DEFINED 01 4422300 0 241300
D INTERNATIONAL RECTIFIER CORP. COMMON 460254105 47356 1242100 SH
DEFINED 01 1175200 0 66900
D JDS UNIPHASE CORP COMMON 46612J101 445479 3695000 SH
DEFINED 01 3519600 0 175400
D JOHNSON AND JOHNSON COMMON 478160104 660 9400 SH
DEFINED 01 9400 0 0
D JUNIPER NETWORKS INC. COMMON 48203R104 395608 1501000 SH
DEFINED 01 1429500 0 71500
D KLA-TENCOR CORPORATION COMMON 482480100 425244 5047400 SH
DEFINED 01 4806000 0 241400
D K MART CORP. COMMON 482584109 8177 844100 SH
DEFINED 01 837600 0 6500
D KNIGHT RIDDER NEWSPAPER INC. COMMON 499040103 13048 254600 SH
DEFINED 01 253500 0 1100
D KOHL'S CORP. COMMON 500255104 989259 9651300 SH
DEFINED 01 9185800 0 465500
D ESTEE LAUDER COMPANIES, INC. CL A 518439104 382848 7647400 SH
DEFINED 01 7251700 0 395700
D LEVEL 3 COMMUNICATIONS, INC. COMMON 52729N100 428964 4056400 SH
DEFINED 01 3859700 0 196700
D LEXMARK INT'L GROUP INC.-CL A CL A 529771107 61917 585500 SH
DEFINED 01 555100 0 30400
D LITTON INDUSTRIES INC COMMON 538021106 15210 344200 SH
DEFINED 01 294600 0 49600
D MANPOWER INC COMMON 56418H100 12443 350500 SH
DEFINED 01 347800 0 2700
D MERCK AND CO. COMMON 589331107 1044 16800 SH
DEFINED 01 16800 0 0
D MEREDITH CORP. COMMON 589433101 222 8000 SH
DEFINED 01 8000 0 0
D MERRILL LYNCH & CO., INC. COMMON 590188108 281012 2676300 SH
DEFINED 01 2544300 0 132000
D METROMEDIA FIBER NETWORK,INC. CL A 591689104 514498 5317800 SH
DEFINED 01 5050900 0 266900
D MICROSOFT CORP. COMMON 594918104 2174863 20469300 SH
DEFINED 01 19440000 0 1029300
D MILLIPORE CORP. COMMON 601073109 19623 347700 SH
DEFINED 01 302800 0 44900
D MORGAN STANLEY DEAN WITTER & C COMMON 617446448 1059722 12787000 SH
DEFINED 01 12140480 0 646520
D MOTOROLA INC. COMMON 620076109 765368 5242250 SH
DEFINED 01 5010050 0 232200
D NTL INCORPORATED COMMON 629407107 1046748 11278092 SH
DEFINED 01 10778633 0 499459
D NAT'L SEMICONDUCTOR CORP. COMMON 637640103 7083 116600 SH
DEFINED 01 101600 0 15000
D NEW YORK TIMES CLASS A CL A 650111107 12023 280000 SH
DEFINED 01 247700 0 32300
D NEWMONT MINING CORP. COMMON 651639106 9572 426600 SH
DEFINED 01 426600 0 0
D NEXTEL COMMUNICATIONS INC-A CL A 65332V103 627053 4229700 SH
DEFINED 01 4025800 0 203900
D NEXTEL PARTNERS INC. - CL. A CL A 65333F107 780 26900 SH
DEFINED 01 26900 0 0
D NEXTLINK COMMUNICATIONS-A CL A 65333H707 488616 3950400 SH
DEFINED 01 3756900 0 193500
D NOVOSTE COPORATION COMMON 67010C100 988 24700 SH
DEFINED 01 24700 0 0
D OMNICOM GROUP COMMON 681919106 575412 6145920 SH
DEFINED 01 5823520 0 322400
D ORACLE CORPORATION COMMON 68389X105 2022 25900 SH
DEFINED 01 25900 0 0
D PE CORP-PE BIOSYSTEMS GROUP COMMON 69332S102 1438 14900 SH
DEFINED 01 14900 0 0
D PACTIV CORPORATION COMMON 695257105 11233 1293000 SH
DEFINED 01 1112700 0 180300
D PANAMSAT CORP (NEW) COMMON 697933109 4774 97300 SH
DEFINED 01 97300 0 0
D PHARMACIA AND UPJOHN INC. COMMON 716941109 519078 8724000 SH
DEFINED 01 8298000 0 426000
D POLAROID CORP. COMMON 731095105 8669 365000 SH
DEFINED 01 329100 0 35900
D POLO RALPH LAUREN CORP. CL A 731572103 12383 662600 SH
DEFINED 01 570100 0 92500
D QUALCOMM INC COMMON 747525103 253921 1700600 SH
DEFINED 01 1620400 0 80200
D QWEST COMMUNICATIONS INTL COMMON 749121109 1348940 28102900 SH
DEFINED 01 26844200 0 1258700
D RAYTHEON CO. - CLASS B CL B 755111408 7544 425000 SH
DEFINED 01 425000 0 0
D REYNOLDS METALS CO. COMMON 761763101 7891 118000 SH
DEFINED 01 118000 0 0
D ROBERT HALF INTL INC COMMON 770323103 10695 225500 SH
DEFINED 01 224300 0 1200
D RYDER SYSTEM INC COMMON 783549108 4192 184800 SH
DEFINED 01 183600 0 1200
D SAKS INCORPORATED COMMON 79377W108 12573 867100 SH
DEFINED 01 754800 0 112300
D SCHWAB (CHARLES) CORP COMMON 808513105 7550 132900 SH
DEFINED 01 132900 0 0
D SEPRACOR INC. COMMON 817315104 5279 72500 SH
DEFINED 01 72500 0 0
D SNAP ON INC. COMMON 833034101 8833 337300 SH
DEFINED 01 334800 0 2500
D STMICROELECTRONICS NV-NY SHS COMMON 861012102 59263 316600 SH
DEFINED 01 302100 0 14500
D STONE CONTAINER PREF SERIES E PFD E CV $1.75 861589307 230 12500 SH
DEFINED 01 12500 0 0
D SUN MICROSYSTEMS COMMON 866810104 813094 8677350 SH
DEFINED 01 8223550 0 453800
D SUPERVALU INC. COMMON 868536103 3604 190300 SH
DEFINED 01 190300 0 0
D SYCAMORE NETWORKS, INC. COMMON 871206108 60540 469300 SH
DEFINED 01 449200 0 20100
D TEXAS INSTRUMENTS INC. COMMON 882508104 1221624 7635150 SH
DEFINED 01 7295350 0 339800
D TIFFANY & CO. COMMON 886547108 623985 7461700 SH
DEFINED 01 7099000 0 362700
D TIME WARNER INC. COMMON 887315109 666305 6663050 SH
DEFINED 01 6326950 0 336100
D TOSCO CORP COMMON 891490302 14167 462600 SH
DEFINED 01 462600 0 0
D TRAVELERS PROP CASUALTY - CL A CL A 893939108 18736 454200 SH
DEFINED 01 386900 0 67300
D TRIBUNE CO COMMON 896047107 6760 184900 SH
DEFINED 01 184900 0 0
D USX-MARATHON GROUP COMMON 902905827 9465 363200 SH
DEFINED 01 361800 0 1400
D USX-US STEEL GROUP COMMON 90337T101 20768 830700 SH
DEFINED 01 719400 0 111300
D UNIVISION COMMUNICATIONS INC. CL A 914906102 617285 5462700 SH
DEFINED 01 5194000 0 268700
D UNOCAL CORP. COMMON 915289102 9163 308000 SH
DEFINED 01 306200 0 1800
D VERITAS SOFTWARE CORPORATION COMMON 923436109 336644 2569800 SH
DEFINED 01 2450150 0 119650
D VERISIGN INC. COMMON 92343E102 159337 1065800 SH
DEFINED 01 1011600 0 54200
D VERTEX PHARMACEUTICALS COMMON 92532F100 15214 325000 SH
DEFINED 01 307500 0 17500
D VIROPHARMA INC. COMMON 928241108 9620 156900 SH
DEFINED 01 156900 0 0
D WAL-MART STORES COMMON 931142103 708795 12545050 SH
DEFINED 01 11921650 0 623400
D WARNER LAMBERT CO. COMMON 934488107 1163980 11915350 SH
DEFINED 01 11315750 0 599600
D TRITON ENERGY LTD. ORD G90751101 5786 165000 SH
DEFINED 01 154400 0 10600
D XL CAPITAL LTD - CLASS A CL A G98255105 20705 373900 SH
DEFINED 01 339500 0 34400
D ERICSSON (L.M.) TEL-SP ADR ADR - LISTED 294821400 689925 7354300 SH
DEFINED 01 7041400 0 312900
D GLAXO WELLCOME PLC-ADR ADR - LISTED 37733W105 514374 8974900 SH
DEFINED 01 8513000 0 461900
D GRUPO TELEVISA SA - SPONS GDR ADR - LISTED 40049J206 155648 2288952 SH
DEFINED 01 2234122 0 54830
D KONINKLIJKE PHILIPS ELEC-NY SH ADR - LISTED 500472204 315 1840 SH
DEFINED 01 1840 0 0
D NEWS CORP. LTD- ADR ADR - LISTED 652487703 366 6500 SH
DEFINED 01 6500 0 0
D NOKIA CORP-SPONSORED ADR ADR - LISTED 654902204 1630812 7346000 SH
DEFINED 01 6971000 0 375000
D SONY CORP. ADR-NEW ADR - LISTED 835699307 9944 35500 SH
DEFINED 01 35500 0 0
D VODAFONE AIRTOUCH PLC-ADR ADR - LISTED 92857T107 1708794 30754462 SH
DEFINED 01 29454712 0 1299750
S REPORT SUMMARY 147 DATA RECORDS 48305966
1 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED
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