<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
INFORMATION REQUIRED OF INSTITUTIONAL INVESTMENT
MANAGERS PURSUANT TO SECTION 13 (f) OF THE SECURITIES
EXCHANGE ACT OF 1934 AND RULES THEREUNDER
Report for the Calendar Year or Quarter Ended: March 31, 2000
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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: Essex Investment Management Co., LLC
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Address: 125 High Street 29th Floor
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Boston, MA 02110
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Form 13F File Number: 28-
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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: C. H. Ritt III
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Title: Vice President
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Phone: 617-342-3220
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Signature, Place, and Date of Signing:
/s/ C. H. Ritt Boston, MA 6/1/00
------------------------ ----------------------------- --------------
[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:
[If there are no entries in this list, omit this section.]
Form 13F File Number Name
28- Charles H. Ritt III
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[Repeat as necessary.]
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<TABLE>
<CAPTION>
NAME OF ISSUER TITLE OF CLASS CUSIP VALUE(K) SH/P AMT S/P P/C INV DSC MANAGERS SOLE
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
AM COMMUNICATIONS INC COMMON 001674100 34 20000 SH SOLE 0
AT&T CORP COMMON 001957109 1604 28487 SH SOLE 24220
AT&T CORP COM LIB GRP A 001957208 1643 27700 SH SOLE 9300
ABBOTT LABS COMMON 002824100 1604 45590 SH SOLE 18665
ACCREDO HEALTH INC COMMON 00437V104 1143 34500 SH SOLE 34500
ACLARA BIOSCIENCES INC COMMON 00461P106 3540 89750 SH SOLE 74375
ACTUATE CORP COMMON 00508B102 1087 20200 SH SOLE 19500
ADVANCED MARKETING SVCS COMMON 00753T105 359 17325 SH SOLE 17325
ADVANCED FIBRE COMMUNICA COMMON 00754A105 313 5000 SH SOLE 5000
ADVANCED NEUROMODULATION COMMON 00757T101 887 46700 SH SOLE 46700
ADVANCED ENERGY INDS COMMON 007973100 816 16000 SH SOLE 16000
AETHER SYS INC COMMON 00808V105 233200 1284850 SH SOLE 982055
AETNA INC COMMON 008117103 204 3671 SH SOLE 0
AFFYMETRIX INC COMMON 00826T108 304 2050 SH SOLE 1400
AGILENT TECHNOLGIES COMMON 00846U101 32898 316325 SH SOLE 292550
AGILE SOFTWARE CORP DEL COMMON 00846X105 490 7840 SH SOLE 3500
AIRGATE PCS INC COMMON 009367103 76288 723105 SH SOLE 501445
ALBANY MOLECULAR RESH IN COMMON 012423109 6477 110955 SH SOLE 96120
ALBERTA ENERGY LTD COMMON 012873105 303 10000 SH SOLE 0
ALCOA INC COMMON 013817101 219 3120 SH SOLE 3120
ALLAIRE CORP COMMON 016714107 220990 2922185 SH SOLE 2319235
ALLEGIANCE TELECOM INC COMMON 01747T102 14514 180022 SH SOLE 142572
ALLIED CAP CORP NEW COMMON 01903Q108 392 22460 SH SOLE 22460
ALLIED RISER COMMUNICATI COMMON 019496108 84112 2420490 SH SOLE 1756630
ALLTEL CORP COMMON 020039103 1642 25960 SH SOLE 14740
ALPHA 1 BIOMEDICALS INC COMMON 020910105 17 112000 SH SOLE 0
ALZA CORP DEL COMMON 022615108 609 16200 SH SOLE 14200
AMAZON COM INC COMMON 023135106 44719 667450 SH SOLE 424190
AMERICA ONLINE INC DEL COMMON 02364J104 49968 740951 SH SOLE 554321
SSI LTD COMMON 025642695 416 30000 SH SOLE 30000
AMERICAN EXPRESS CO COMMON 025816109 25148 168850 SH SOLE 127320
AMERICAN GENERAL CORP COMMON 026351106 564 10050 SH SOLE 50
AMERICAN HOME PRODS CORP COMMON 026609107 318 5910 SH SOLE 310
AMERICAN INTL GROUP INC COMMON 026874107 9116 83248 SH SOLE 69326
AMERICAN MOBILE SATELLIT COMMON 02755R103 3773 157200 SH SOLE 101700
AMERICAN TOWER CORP CL A 029912201 1205 24405 SH SOLE 19900
AMGEN INC COMMON 031162100 36473 594270 SH SOLE 432850
ANADARKO PETE CORP COMMON 032511107 15069 389500 SH SOLE 377700
ANALOG DEVICES INC COMMON 032654105 357 4440 SH SOLE 1040
ANHEUSER BUSCH COS INC COMMON 035229103 2878 46225 SH SOLE 28720
APACHE CORP COMMON 037411105 55225 1110060 SH SOLE 951210
APPLE COMPUTER INC COMMON 037833100 13585 100025 SH SOLE 63950
APPLIED MICROSYSTEMS COR COMMON 037935103 781 50000 SH SOLE 15600
APPLIED MATLS INC COMMON 038222105 7215 76550 SH SOLE 65300
APPLIED MICRO CIRCUITS C COMMON 03822W109 111922 745836 SH SOLE 623840
ARADIGM CORP COMMON 038505103 382 18300 SH SOLE 18300
ARIBA INC COMMON 04033V104 187844 896095 SH SOLE 677220
ARM HLDGS PLC DEPOSITORY RECEI 042068106 2720 15300 SH SOLE 15000
ARMOR HOLDINGS INC COMMON 042260109 257 23400 SH SOLE 23400
ARROWPOINT COMMUNICATION COMMON 042810101 4739 40000 SH SOLE 29435
ART TECHNOLOGY GROUP INC COMMON 04289L107 84866 1291960 SH SOLE 983070
<CAPTION>
NAME OF ISSUER SHARED NONE
<S> <C> <C>
AM COMMUNICATIONS INC 0 20000
AT&T CORP 0 4267
AT&T CORP 0 18400
ABBOTT LABS 0 26925
ACCREDO HEALTH INC 0 0
ACLARA BIOSCIENCES INC 0 15375
ACTUATE CORP 0 700
ADVANCED MARKETING SVCS 0 0
ADVANCED FIBRE COMMUNICA 0 0
ADVANCED NEUROMODULATION 0 0
ADVANCED ENERGY INDS 0 0
AETHER SYS INC 0 302795
AETNA INC 0 3671
AFFYMETRIX INC 0 650
AGILENT TECHNOLGIES 0 23775
AGILE SOFTWARE CORP DEL 0 4340
AIRGATE PCS INC 0 221660
ALBANY MOLECULAR RESH IN 0 14835
ALBERTA ENERGY LTD 0 10000
ALCOA INC 0 0
ALLAIRE CORP 0 602950
ALLEGIANCE TELECOM INC 0 37450
ALLIED CAP CORP NEW 0 0
ALLIED RISER COMMUNICATI 0 663860
ALLTEL CORP 0 11220
ALPHA 1 BIOMEDICALS INC 0 112000
ALZA CORP DEL 0 2000
AMAZON COM INC 0 243260
AMERICA ONLINE INC DEL 0 186630
SSI LTD 0 0
AMERICAN EXPRESS CO 0 41530
AMERICAN GENERAL CORP 0 10000
AMERICAN HOME PRODS CORP 0 5600
AMERICAN INTL GROUP INC 0 13922
AMERICAN MOBILE SATELLIT 0 55500
AMERICAN TOWER CORP 0 4505
AMGEN INC 0 161420
ANADARKO PETE CORP 0 11800
ANALOG DEVICES INC 0 3400
ANHEUSER BUSCH COS INC 0 17505
APACHE CORP 0 158850
APPLE COMPUTER INC 0 36075
APPLIED MICROSYSTEMS COR 0 34400
APPLIED MATLS INC 0 11250
APPLIED MICRO CIRCUITS C 0 121996
ARADIGM CORP 0 0
ARIBA INC 0 218875
ARM HLDGS PLC 0 300
ARMOR HOLDINGS INC 0 0
ARROWPOINT COMMUNICATION 0 10565
ART TECHNOLOGY GROUP INC 0 308890
</TABLE>
<PAGE>
<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
ARTHROCARE CORP COMMON 043136100 221 2400 SH SOLE 2400 0 0
ARTISTDIRECT INC COMMON 04315D103 809 106100 SH SOLE 92525 0 13575
ASIAINFO HLDGS INC COMMON 04518A104 10267 169700 SH SOLE 126400 0 43300
ASPECT DEV INC COMMON 045234101 6506 101070 SH SOLE 90770 0 10300
ASPECT MED SYS INC COMMON 045235108 28927 806330 SH SOLE 629530 0 176800
AT HOME CORP COM SER A 045919107 297 9032 SH SOLE 0 0 9032
ASTRAZENECA PLC DEPOSITORY RECEI 046353108 915 22600 SH SOLE 22600 0 0
ATLANTIC RICHFIELD CO COMMON 048825103 1469 17282 SH SOLE 5550 0 11732
ATMEL CORP COMMON 049513104 18595 360200 SH SOLE 237300 0 122900
AURORA BIOSCIENCES CORP COMMON 051920106 11569 283025 SH SOLE 255950 0 27075
AUTOMATIC DATA PROCESSIN COMMON 053015103 402 8339 SH SOLE 610 0 7729
AVANEX CORP COMMON 05348W109 1762 11610 SH SOLE 7600 0 4010
AVANT IMMUNOTHERAPEUTICS COMMON 053491106 285 30000 SH SOLE 0 0 30000
AVENUE A INC COMMON 053566105 11445 375250 SH SOLE 253900 0 121350
AVID TECHNOLOGY INC COMMON 05367P100 1028 57500 SH SOLE 18000 0 39500
AXENT TECHNOLOGIES INC COMMON 05459C108 555 29478 SH SOLE 0 0 29478
BJ SVCS CO COMMON 055482103 13463 182240 SH SOLE 137895 0 44345
BP AMOCO P L C DEPOSITORY RECEI 055622104 1986 37302 SH SOLE 3656 0 33646
BAKER HUGHES INC COMMON 057224107 874 28900 SH SOLE 18050 0 10850
BARRICK GOLD CORP COMMON 067901108 405 25800 SH SOLE 25800 0 0
BARRETT RES CORP COM PAR $0.01 068480201 596 20000 SH SOLE 0 0 20000
BEA SYS INC COMMON 073325102 95484 1301315 SH SOLE 1019620 0 281695
BELL ATLANTIC CORP COMMON 077853109 512 8372 SH SOLE 320 0 8052
BENIHANA INC CL A 082047200 314 25600 SH SOLE 25600 0 0
BERKLEY PETE CORP COMMON 08449G106 279 45000 SH SOLE 0 0 45000
BERRY PETE CO CL A 085789105 172 10000 SH SOLE 10000 0 0
BEST BUY INC COMMON 086516101 9418 109510 SH SOLE 104510 0 5000
BLOCK H & R INC COMMON 093671105 703 15713 SH SOLE 14480 0 1233
BLUESTONE SOFTWARE INC SER C PFD CNV CO 095991105 7326 241173 SH SOLE 136568 0 104605
BOCA RESORTS INC CL A 09688T106 188 21900 SH SOLE 21900 0 0
BRINKER INTL INC COMMON 109641100 1642 55300 SH SOLE 55300 0 0
BRISTOL MYERS SQUIBB CO COMMON 110122108 1121 19335 SH SOLE 13435 0 5900
BROADCOM CORP CL A 111320107 387366 1594920 SH SOLE 1203450 0 391470
BROADVISION INC COMMON 111412102 417 9300 SH SOLE 9300 0 0
BROCADE COMMUNICATIONS S COMMON 111621108 306244 1707880 SH SOLE 1395620 0 312260
BROWN TOM INC COM NEW 115660201 263 14300 SH SOLE 14300 0 0
BUFFETS INC COMMON 119882108 903 100000 SH SOLE 100000 0 0
BURNHAM PAC PPTYS INC COMMON 12232C108 125 17650 SH SOLE 600 0 17050
CBS CORP COMMON 12490K107 9892 174685 SH SOLE 144970 0 29715
CMGI INC COMMON 125750109 135545 1196202 SH SOLE 895802 0 300400
C-MAC INDS INC COMMON 125920108 6819 158400 SH SOLE 110300 0 48100
CACHEFLOW INC COMMON 126946102 9914 83660 SH SOLE 65275 0 18385
C PORT SERIES C PRIVATE PLACEMEN 126993104 1000 366300 SH SOLE 0 0 366300
CADENCE DESIGN SYSTEM IN COMMON 127387108 9032 437900 SH SOLE 356500 0 81400
CALIPER TECHNOLOGIES COR COMMON 130876105 28573 353295 SH SOLE 298545 0 54750
CALPINE CORP COMMON 131347106 1391 14800 SH SOLE 4800 0 10000
CANADIAN NAT RES LTD COMMON 136385101 793 30000 SH SOLE 0 0 30000
CAREER EDUCATION CORP COMMON 141665109 277 7900 SH SOLE 400 0 7500
CELGENE CORP COMMON 151020104 26446 265620 SH SOLE 252820 0 12800
CENDANT CORP COMMON 151313103 348 18800 SH SOLE 18800 0 0
CEPHALON INC COMMON 156708109 5610 149600 SH SOLE 125600 0 24000
CERETEK LLC COMMON 156990103 800 18000 SH SOLE 18000 0 0
</TABLE>
<PAGE>
<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
CHASE MANHATTAN CORP NEW COMMON 16161A108 422 4835 SH SOLE 2645 0 2190
CHECKFREE HLDGS CORP COMMON 162816102 3418 48481 SH SOLE 3415 0 45066
CHEESECAKE FACTORY INC COMMON 163072101 7399 177750 SH SOLE 149850 0 27900
CHEVRON CORPORATION COMMON 166751107 1992 21553 SH SOLE 1100 0 20453
CHOICE ONE COMMUNICATION COMMON 17038P104 91573 2579510 SH SOLE 2071115 0 508395
CHUBB CORP COMMON 171232101 331 4900 SH SOLE 2500 0 2400
CIENA CORP COMMON 171779101 124978 990908 SH SOLE 832264 0 158644
CIRCLE INTL GROUP INC COMMON 172574105 312 12000 SH SOLE 12000 0 0
CIRCUIT CITY STORE INC CIRCT CITY GRP 172737108 10986 180460 SH SOLE 157560 0 22900
CISCO SYS INC COMMON 17275R102 143269 1853112 SH SOLE 1529634 0 323478
CITIGROUP INC COMMON 172967101 10997 183674 SH SOLE 149804 0 33870
CLARUS CORP COMMON 182707109 8272 117125 SH SOLE 99260 0 17865
CLEAR CHANNEL COMMUNICAT COMMON 184502102 26822 388380 SH SOLE 329300 0 59080
COASTAL CORP COMMON 190441105 477 10380 SH SOLE 380 0 10000
COBALT NETWORKS INC COMMON 19074R101 63624 1353695 SH SOLE 1035225 0 318470
COBALT NETWORKS, INC SER C PREFERRED 190990101 8574 202702 SH SOLE 0 0 202702
COCA COLA CO COMMON 191216100 969 20646 SH SOLE 13510 0 7136
COGNEX CORP COMMON 192422103 11636 201700 SH SOLE 132500 0 69200
COLT TELECOM GROUP PLC DEPOSITORY RECEI 196877104 2335 11800 SH SOLE 10500 0 1300
COMMERCE ONE INC DEL COMMON 200693109 5591 37460 SH SOLE 450 0 37010
COMVERSE TECHNOLOGY INC COM PAR $0.10 205862402 38975 206215 SH SOLE 153805 0 52410
CONCENTRIC NETWORK CORP COMMON 20589R107 3487 63400 SH SOLE 63400 0 0
CONCORD COMMUNICATIONS I COMMON 206186108 596 16750 SH SOLE 15625 0 1125
CONEXANT SYSTEMS INC COMMON 207142100 9498 133778 SH SOLE 106970 0 26808
CONOCO INC CL A 208251306 420 17050 SH SOLE 16800 0 250
COOPER CAMERON CORP COMMON 216640102 1087 16260 SH SOLE 6260 0 10000
COPPER MTN NETWORKS INC COMMON 217510106 5281 64451 SH SOLE 0 0 64451
COREL CORPORATION COMMON 21868Q109 608 59700 SH SOLE 59700 0 0
CORNING INC COMMON 219350105 728 3755 SH SOLE 2920 0 835
CORPORATE EXECUTIVE BRD COMMON 21988R102 580 11430 SH SOLE 8010 0 3420
COSTCO WHSL CORP NEW COMMON 22160K105 8271 157350 SH SOLE 98010 0 59340
COVAD COMMUNICATIONS GRO COMMON 222814204 212039 2924671 SH SOLE 2278019 0 646652
CRAYFISH CO LTD DEPOSITORY RECEI 225226109 5488 144425 SH SOLE 116500 0 27925
CREATIVE BIOMOLECULES IN COMMON 225270107 442 44600 SH SOLE 44600 0 0
CREDENCE SYS CORP COMMON 225302108 41759 333740 SH SOLE 252990 0 80750
CREO PRODS INC COMMON 225606102 672 15400 SH SOLE 15400 0 0
CRITICAL PATH INC COMMON 22674V100 12752 150025 SH SOLE 102825 0 47200
CROSSROADS SYS INC COMMON 22765D100 47990 464795 SH SOLE 351415 0 113380
CROSSROADS SYSTEMS SER E PFD STOCK PRIV P 227990108 18585 225000 SH SOLE 0 0 225000
CURAGEN CORP COMMON 23126R101 468 10000 SH SOLE 10000 0 0
CYBERIAN OUTPOST PIPE COMMON 231914102 680 100000 SH SOLE 100000 0 0
CYPRESS SEMICONDUCTOR CO COMMON 232806109 42214 861501 SH SOLE 634816 0 226685
CYSIVE INC COMMON 23281T108 267 3900 SH SOLE 3900 0 0
CYTYC CORP COMMON 232946103 7184 148900 SH SOLE 118600 0 30300
DQE INC COMMON 23329J104 14273 313700 SH SOLE 188900 0 124800
DTE ENERGY CO COMMON 233331107 16618 569370 SH SOLE 506170 0 63200
DELL COMPUTER CORP COMMON 247025109 38705 717595 SH SOLE 544940 0 172655
DEVON ENERGY CORP NEW COMMON 25179M103 1231 25350 SH SOLE 10000 0 15350
DIAMOND OFFSHORE DRILLIN COMMON 25271C102 237 5935 SH SOLE 5785 0 150
DIAMOND TECHNOLOGY PARTN CL A 252762109 5592 85045 SH SOLE 74305 0 10740
DIGEX INC DEL CL A 253756100 77073 694740 SH SOLE 557115 0 137625
DIGITAL IS INC DEL COMMON 25385N101 49604 814010 SH SOLE 650335 0 163675
</TABLE>
<PAGE>
<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
DIGITAL INSIGHT CORP COMMON 25385P106 74377 1451254 SH SOLE 1112449 0 338805
DIGITAL RIV INC COMMON 25388B104 1893 88055 SH SOLE 73355 0 14700
DIGITALTHINK INC COMMON 25388M100 431 10950 SH SOLE 8750 0 2200
DISNEY WALT CO COM DISNEY 254687106 24397 591443 SH SOLE 533112 0 58331
DITECH COMMUNICATIONS CO COMMON 25500M103 99354 936745 SH SOLE 712985 0 223760
DIVERSA CORP COMMON 255064107 21919 466365 SH SOLE 373590 0 92775
DOLLAR TREE STORES INC COMMON 256747106 5614 107700 SH SOLE 107700 0 0
DONALDSON LUFKIN & JENRE COM DLJ 257661108 4166 80500 SH SOLE 80500 0 0
DOUBLECLICK INC COMMON 258609304 17531 187244 SH SOLE 93499 0 93745
DU PONT E I DE NEMOURS & COMMON 263534109 795 15018 SH SOLE 4400 0 10618
E M C CORP MASS COMMON 268648102 122013 968360 SH SOLE 800530 0 167830
ENSCO INTL INC COMMON 26874Q100 1667 46150 SH SOLE 6150 0 40000
EPIX MEDICAL INC COMMON 26881Q101 4255 193400 SH SOLE 193400 0 0
E PIPHANY INC COMMON 26881V100 100881 755312 SH SOLE 603590 0 151722
ESAT TELECOM GROUP PLC DEPOSITORY RECEI 26883Y102 1636 16385 SH SOLE 2605 0 13780
E TRADE GROUP INC COMMON 269246104 11345 376600 SH SOLE 245700 0 130900
EBAY INC COMMON 278642103 17563 99790 SH SOLE 68840 0 30950
EBENX INC COMMON 278668108 20130 682375 SH SOLE 553100 0 129275
ECHOSTAR COMMUNICATIONS CL A 278762109 15950 201900 SH SOLE 124300 0 77600
J D EDWARDS & CO COMMON 281667105 9218 283100 SH SOLE 185200 0 97900
EL PASO ENERGY CORP DEL COMMON 283905107 410 10150 SH SOLE 0 0 10150
ELAN PLC DEPOSITORY RECEI 284131208 250 5260 SH SOLE 4260 0 1000
ELECTRO SCIENTIFIC INDS COMMON 285229100 6490 111900 SH SOLE 74300 0 37600
ELOQUENT INC COMMON 290140102 405 19875 SH SOLE 2050 0 17825
EMERGE INTERACTIVE INC CL A 29088W103 2535 84160 SH SOLE 70110 0 14050
EMMIS COMMUNICATIONS COR CL A 291525103 391 8400 SH SOLE 8400 0 0
ENERGIS PLC ADR DEPOSITORY RECEI 29266H100 620 2625 SH SOLE 1000 0 1625
ENGAGE INC COMMON 292827102 685 8975 SH SOLE 2975 0 6000
ENRON CORP COMMON 293561106 11845 158197 SH SOLE 112075 0 46122
ENSIGN RESOURCE SVC GROU COMMON 29357T104 1027 35000 SH SOLE 0 0 35000
ENTERCOM COMMUNICATIONS CL A 293639100 1487 29150 SH SOLE 16100 0 13050
ENTREMED INC COMMON 29382F103 3046 51415 SH SOLE 42600 0 8815
ENTRUST TECHNOLOGIES INC COMMON 293848107 206 2425 SH SOLE 650 0 1775
ENZON INC COMMON 293904108 3475 92200 SH SOLE 74195 0 18005
ENZO BIOCHEM INC COMMON 294100102 12927 185995 SH SOLE 166135 0 19860
EQUANT N V DEPOSITORY RECEI 294409107 7714 90690 SH SOLE 64540 0 26150
EQUITY OFFICE PROPERTIES COMMON 294741103 304 12100 SH SOLE 4600 0 7500
ESPEED INC CL A 296643109 79178 1511750 SH SOLE 1159645 0 352105
ESSEX ENERGY FUND LP ESSEX PERF FUND 296996101 9272 6500 SH SOLE 6500 0 0
EXCHANGE APPLICATIONS COMMON 300867108 1217 23000 SH SOLE 16800 0 6200
ESSEX INT/MED/ENT LP RAYMOND SHAMIE I 301990107 1056 500 SH SOLE 0 0 500
EXODUS COMMUNICATIONS IN COMMON 302088109 33283 236890 SH SOLE 161990 0 74900
EXTENSITY INC COMMON 302255104 1298 27040 SH SOLE 17185 0 9855
EXTREME NETWORKS INC COMMON 30226D106 108706 1376025 SH SOLE 1080425 0 295600
EXXON MOBIL CORP COMMON 30231G102 4250 54535 SH SOLE 14186 0 40349
F Y I INC COMMON 302712104 222 8200 SH SOLE 8200 0 0
FAIRCHILD SEMICONDUCTOR CL A 303726103 544 14900 SH SOLE 14900 0 0
ESSEX HIGH TECH (USA) LP LP INVESTOR JO 304991102 16616 1000 SH SOLE 1000 0 0
ESSEX GLOB FINL SERV FD EPF INVESTOR 304992100 3777 3800 SH SOLE 3800 0 0
FAIRMARKET INC COMMON 305158107 1538 67600 SH SOLE 54000 0 13600
ESSEX LIFE SCIENCES FD EPF INVESTOR 311990105 17953 10000 SH SOLE 10000 0 0
ESSEX HIGH TECH FUND LP COMMON 313999104 1267 180 SH SOLE 0 0 180
</TABLE>
<PAGE>
<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
ESSEX HIGH TECH (USA) LP RAYMOND SHAMIE I 31399J102 1111 500 SH SOLE 0 0 500
FIREPOND INC COMMON 318224102 15150 370065 SH SOLE 304100 0 65965
ESSEX PERFORMANCE FUND COMMON 330995101 5269 110053 SH SOLE 0 0 110053
FIRSTWORLD COMMUNICATION COM SER B 337625305 26777 1314230 SH SOLE 1048730 0 265500
FLAMEL TECHNOLOGIES SA DEPOSITORY RECEI 338488109 201 42300 SH SOLE 42300 0 0
FLEXPORT EMRGING GROWTH COMMON 339994105 2596 390000 SH SOLE 0 0 390000
FLEXPORT LARGE CAP COMMON 339996100 2506 650000 SH SOLE 0 0 650000
FOREST LABS INC COMMON 345838106 21777 257715 SH SOLE 257415 0 300
FORRESTER RESH INC COMMON 346563109 33009 608470 SH SOLE 533715 0 74755
FOUNDRY NETWORKS INC COMMON 35063R100 15274 106257 SH SOLE 68860 0 37397
FOX ENTMT GROUP INC CL A 35138T107 1099 36700 SH SOLE 35300 0 1400
FRANCE TELECOM DEPOSITORY RECEI 35177Q105 858 4850 SH SOLE 3050 0 1800
FREESHOP COM INC COMMON 356873109 465 23860 SH SOLE 18270 0 5590
FRONTLINE CAP GROUP COMMON 35921N101 7348 167000 SH SOLE 124400 0 42600
FUSION MED TECHNOLOGIES COMMON 361128101 255 13100 SH SOLE 13100 0 0
GTE CORP COMMON 362320103 871 12262 SH SOLE 9050 0 3212
ESSEX TELECOMM LP RAYMOND SHAMIE I 363990102 1120 500 SH SOLE 0 0 500
GANNETT INC COMMON 364730101 899 12770 SH SOLE 12500 0 270
GEERLINGS & WADE INC COMMON 368473104 58 12000 SH SOLE 0 0 12000
GENE LOGIC INC COMMON 368689105 14792 351662 SH SOLE 256562 0 95100
GENENTECH INC COM NEW 368710406 108203 711860 SH SOLE 557780 0 154080
GENERAL ELEC CO COMMON 369604103 15878 102030 SH SOLE 67609 0 34421
GENERAL MTRS CORP COMMON 370442105 389 4700 SH SOLE 0 0 4700
GETTY IMAGES INC COMMON 374276103 17578 489140 SH SOLE 283445 0 205695
GILLETTE CO COMMON 375766102 290 7700 SH SOLE 0 0 7700
GLENAYRE TECHNOLOGIES IN COMMON 377899109 6410 365000 SH SOLE 239700 0 125300
GLOBAL INDS LTD COMMON 379336100 282 19250 SH SOLE 15950 0 3300
GLOBAL MARINE INC COMMON 379352404 1776 70000 SH SOLE 20000 0 50000
GLOBAL TELESYSTEMS INC COMMON 37936U104 10714 522640 SH SOLE 477945 0 44695
GLOBESPAN INC COMMON 379571102 143266 1405425 SH SOLE 1105265 0 300160
GOLDMAN SACHS GROUP INC COMMON 38141G104 239 2270 SH SOLE 1370 0 900
GOLF TR AMER INC COMMON 38168B103 279 16930 SH SOLE 12700 0 4230
GOTO COM INC COMMON 38348T107 1191 29015 SH SOLE 10575 0 18440
DEJA.COM INC SER D PREFFERRED 383990108 1000 277008 SH SOLE 0 0 277008
GRANITE BROADCASTING COR COMMON 387241102 143 20000 SH SOLE 20000 0 0
GRANT PRIDECO INC COMMON 38821G101 211 11200 SH SOLE 10300 0 900
GREAT PLAINS SOFTWARE COMMON 39119E105 2445 45805 SH SOLE 5805 0 40000
GRIC COMMUNICATIONS INC COMMON 398081109 17818 527945 SH SOLE 406725 0 121220
HNC SOFTWARE INC COMMON 40425P107 45707 634275 SH SOLE 544260 0 90015
ARES SERONO GROUP 'B' CHF 4047713 753 200 SH SOLE 200 0 0
HALLIBURTON CO COMMON 406216101 17449 424285 SH SOLE 372555 0 51730
HARMON INDS INC NEW COMMON 413136102 3742 206450 SH SOLE 206450 0 0
HEALTHEON WEBMD CORP COMMON 422209106 10492 456190 SH SOLE 235515 0 220675
HELIX TECHNOLOGY CORP COMMON 423319102 5015 83500 SH SOLE 52200 0 31300
HEMASURE PIPE PRIV PLACEMENT 423504109 2596 271200 SH SOLE 271200 0 0
HEWLETT PACKARD CO COMMON 428236103 1353 10186 SH SOLE 9136 0 1050
HOME DEPOT INC COMMON 437076102 93377 1447708 SH SOLE 1224362 0 223346
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</TABLE>
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<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
IRT CORP COMMON 450052303 4 15893 SH SOLE 0 0 15893
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</TABLE>
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<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
KRONOS INC COMMON 501052104 10307 347932 SH SOLE 346627 0 1305
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</TABLE>
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<TABLE>
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DAVNET LIMITED AUSTRALIAN DENOM 6370020 2665 813100 SH SOLE 241300 0 571800
NATURAL MICROSYSTEMS COR COMMON 638882100 27723 323300 SH SOLE 219900 0 103400
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</TABLE>
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<TABLE>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
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</TABLE>
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<TABLE>
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<TABLE>
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<TABLE>
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