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 Quarter Ended June 30, 1999.
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(Please read instructions before preparing form.)
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If amended report check here: |_|
Gilder Gagnon Howe & Co. LLC
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Name of Institutional Investment Manager
1775 Broadway, 26th Floor, New York, NY 10019
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Business Address
(Street) (City) (State) (Zip)
Walter Weadock, (212)765-2500, Member
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Name, Phone No., and Title of Person Duly Authorized to Submit This Report
ATTENTION
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Intentional misstatements or omissions of facts constitute
Federal Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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The institutional investment manager submitting this Form and its attachments
and the person by whom it is signed represent hereby that all information
contained therein is true, correct and complete. It is understood that all
required items, statements and schedules are considered integral parts of this
Form and that the submission of any amendment represents that all unamended
items, statements and schedules remain true, correct and complete as previously
submitted.
Pursuant to the requirements of Securities Exchange Act of 1934, the
undersigned institutional investment manager has caused this report to be signed
on its behalf in the City of New York and State of New York on the 17th day of
May 1999.
Gilder Gagnon Howe & Co. LLC
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(Name of Institutional Investment Manager)
/s/ Walter Weadock
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( Manual Signature of Person Duly Authorized
to Submit this Report)
Name and 13F file numbers of ALL Institutional Investment Managers with respect
to which this schedule is filled (other than the one filing this report): (List
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in alphabetical order.) 13F File Numbers will be assigned to Institutional
Investment Managers after they file their first report.
Name: 13F File No.: Name: 13F File No.:
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1. 6.
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2. 7.
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3. 8.
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4. 9.
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5. 10.
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PAGE 1 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
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(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
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TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
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<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
3DFX INTERACTIVE INC CL A 88553X103 43,367,359 2,775,511 X - 0 2,775,511
ABERCROMBIE & FITCH CO, COM 002896207 14,037,600 292,450 X - 0 292,450
ABOVENET COMMUNICATIONS INC COM 3743101 15,557,699 385,330 X 9,525 0 375,805
ACT NETWORKS INC COM 000975102 19,359,680 1,134,600 X - 0 1,134,600
ACTUATE SOFTWARE CORP COM 00508B102 15,322,698 578,215 X 23,900 0 554,315
AES CORP, COM 00130H105 558,000 9,600 X 9,400 0 200
AETNA INC COM 8117103 1,788,760 20,000 X - 0 20,000
AIRPORT SYSTEMS INTERNATIONAL, INC COM 00949N103 1,422,692 842,827 X 235,825 0 607,002
ALEXION PHARMACEUTICALS INC COM 015351109 2,608,806 293,950 X 114,150 0 179,800
ALLAIRE CORP COM 016714107 16,855,703 246,970 X 19,990 0 226,980
ALLEGHANY CORP COM 017175100 24,420 132 X - 0 132
ALLEGIANCE TELECOM INC COM 01747T102 16,463 300 X - 0 300
AMAZON.COM INC COM 023135106 12,097,961 96,687 X 3,450 0 93,237
AMDOCS LIMITED COM G02602103 4,292,925 188,700 X 44,075 0 144,625
AMERICA ONLINE INC COM 02364J104 3,643,185 32,970 X 6,130 0 26,840
AMERICAN TELECASTING INC- CL A 030151104 2,472,244 414,250 X 27,500 0 386,750
AMERICAN TOWER CORP CL A 029912201 210,648 8,777 X 247 0 8,530
AMISTAR CORP COM 031535107 19,380 10,000 X 10,000 0 -
AON CORP COM 37389103 149,078 3,614 X - 0 3,614
APOLLO GROUP INC CL A 037604105 371,218 13,975 X 13,000 0 975
ARCH COMMUNICATIONS GROUP INC COM 39381504 1,557,778 183,268 X 60,999 0 122,269
ARIBA INC COM 04033V104 12,650,766 130,085 X - 0 130,085
ARONEX PHARMACEUTICALS INC COM 042666206 1,109,500 250,000 X - 0 250,000
ASTEC INDUSTRIES INC, COM 046224101 25,479,956 625,275 X - 0 625,275
AT HOME CORP COM SER A 045919107 15,611,761 289,439 X 20,230 0 269,209
ATLANTIC COAST AIRLINES HLDGS, INC COM 048396105 12,920,000 680,000 X - 0 680,000
AUSPEX SYSTEMS INC COM 052116100 2,237,531 205,750 X 7,775 0 197,975
AUTONATION INC COM 05329W102 3,135,088 176,000 X - 0 176,000
AUTOZONE INC COM 053332102 207,863 6,900 X 6,800 0 100
AWARE INC COM 05453N100 86,349,229 1,872,070 X 197,235 0 1,674,835
AZURIX CORP COM 05501M104 5,071,000 253,550 X 34,400 0 219,150
BACKWEB TECHNOLOGIES LTD ORD COM M15633106 92,391 3,375 X - 0 3,375
BANK OF AMER CORP COM 60505104 65,982 900 X 900 0 -
BANK OF NEW YORK CO INC COM 64057102 6,544,772 178,390 X 18,460 0 159,930
Page Total: 327,210,133
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PAGE 2 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
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(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
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TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
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<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
BENIHANA INC CL A 082047200 2,237,176 154,288 X 3,375 0 150,913
BERKSHIRE HATHAWAY INC CL B 084670207 528,515 235 X 235 0 -
BEST BUY COMPANY INC COM 086516101 37,125 550 X - 0 550
BIG CITY RADIO INC CL A 089098107 3,436,772 948,075 X - 0 948,075
BLUEFLY INC COM 096227103 62,348 7,500 X - 0 7,500
BOEING CO COM 97023105 17,675 400 X - 0 400
BROADCAST COM INC COM 111310108 24,255,709 181,605 X 2,320 0 179,285
BROADCOM CORP CL A 111320107 38,327,265 265,125 X 1,000 0 264,125
BROCADE COMMUNICATIONS SYS INC COM 111621108 19,287,600 200,000 X 5,475 0 194,525
BUCA INC COM 117769109 6,985,275 423,350 X - 0 423,350
CABLETRON SYSTEMS INC COM 126920107 67,867,800 5,220,600 X 750,000 0 4,470,600
CADIZ INC COM COM 127537108 17,903,128 1,896,925 X 167,000 0 1,729,925
CAI WIRELESS SYSTEM INC COM 12476P203 11,597,175 429,525 X 98,900 0 330,625
CAREERBUILDER INC COM 141684100 5,969,906 454,850 X - 0 454,850
CAREINSITE INC COM 14170M106 1,882,440 39,840 X - 0 39,840
CAREY INTERNATIONAL INC COM 141750109 38,852,586 1,577,770 X 121,325 0 1,456,445
CARLISLE HOLDINGS LTD COM P21277101 174,000 12,000 X - 0 12,000
CELGENE CORP COM 151020104 6,028,500 343,250 X 64,350 0 278,900
CERI COM 14008M104 3,842,500 265,000 X 625 0 264,375
CHANCELLOR MEDIA CORP COM 158915108 29,211,564 529,915 X 4,510 0 525,405
CHICAGO TITLE CORP COM 168228104 13,918 390 X - 0 390
CHICOS FAS INC, COM 168615102 4,730,292 201,289 X 15,300 0 185,989
CHILDTIME LEARNING CENTERS INC COM 168820108 6,955,436 471,555 X 122,975 0 348,580
CISCO SYSTEMS INC, COM 17275R102 1,664,100 25,800 X 1,400 0 24,400
CITRIX SYSTEMS INC COM 177376100 11,169,203 197,685 X 28,610 0 169,075
CLARK/BARDES HOLDINGS INC COM 180668105 47,500 2,500 X 2,000 0 500
CLEAR CHANNEL COMMUNICATIONS, INC COM 184502102 9,140,558 132,591 X 40,686 0 91,905
CNET INC, FORMERLY C NET COM 125945105 456,486,464 7,921,674 X 2,489,845 0 5,431,829
COINSTAR INC COM 19259P300 28,381,727 989,324 X 179,748 0 809,576
COMDISCO INC COM 200336105 6,716,825 262,120 X 36,000 0 226,120
COMERICA INC COM 200340107 26,747 450 X - 0 450
COMPUTER NETWORK TECHNOLOGY CORP COM 204925101 1,646,203 76,125 X 5,850 0 70,275
CONCUR TECHNOLOGIES INC COM 206708109 11,791,406 419,250 X 6,850 0 412,400
CONEXANT SYSTEMS INC COM 207142100 13,891,863 239,255 X 15,445 0 223,810
Page Total: 831,167,302
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PAGE 3 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
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(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
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TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
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<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
CORE COM 21867P102 15,099,459 1,858,395 X 369,700 0 1,488,695
CORRECTIONAL SERVICES CORP COM 219921103 21,356,558 2,800,860 X 307,628 0 2,493,232
COSTCO COMPANIES INC COM 22160Q102 9,364,008 116,958 X - 0 116,958
COURIER CORP COM 222660102 1,997,987 86,869 X 11,325 0 75,544
COVAD COMMUNICATIONS GROUP INC COM 222814204 90,694,263 1,701,166 X 37,213 0 1,663,953
CRITICAL PATH INC COM 22674V100 11,304,871 204,380 X 475 0 203,905
DAISYTEK INTERNATIONAL CORP COM 234053106 1,628,820 99,848 X 2,024 0 97,824
DATA RESEARCH ASSOCIATES INC, COM 237853106 968,589 93,358 X 2,549 0 90,809
DATA TRANSMISSION NETWORK CORP COM 238017107 4,019,766 142,925 X 14,575 0 128,350
DAVIDS BRIDAL INC COM 238576102 33,440,607 2,148,725 X 5,400 0 2,143,325
DELIA*S INC COM 246885107 17,246,277 1,277,502 X 120,000 0 1,157,502
DEVRY INC COM 251893103 111,875 5,000 X 5,000 0 -
DISPATCH MANAGEMENT SERVICES, CORP COM 254927106 8,581,182 3,085,600 X 578,660 0 2,506,940
DOLLAR TREE STORES COM 256747106 147,329,908 3,348,407 X 229,554 0 3,118,853
DOUBLECLICK INC COM 258609304 185,072,320 2,017,137 X 263,786 0 1,753,351
DRKOOP.COM INC COM 262098106 11,335,903 711,250 X 1,850 0 709,400
DSP COMMUNICATIONS INC COM 23332K106 233,055,842 8,071,198 X 1,756,660 0 6,314,538
DSP GROUP INC COM 23332B106 10,980,000 305,000 X - 0 305,000
E TRADE GROUP INC COM 269246104 23,639,103 591,895 X 29,730 0 562,165
EARTHLINK NETWORK INC COM 270322100 163,539,156 2,661,859 X 352,180 0 2,309,679
EARTHSHELL CORP COM 27032B100 20,275,850 2,896,550 X 195,450 0 2,701,100
ECHOSTAR COMMUNICATIONS CORP CL A 278762109 90,064,270 586,975 X 6,220 0 580,755
ELECTRO RENT CORP COM 285218103 318,265 29,606 X - 0 29,606
ELECTRONICS FOR IMAGING INC COM 286082102 98,945,938 1,925,955 X 305,775 0 1,620,180
ELLETT BROTHERS INC COM 288398100 4,495,000 620,000 X 104,500 0 515,500
ENRON CORP COM 293561106 12,331,170 150,840 X 12,250 0 138,590
E-TEK DYNAMICS INC COM 269240107 11,717,383 246,355 X 40,325 0 206,030
ETOYS INC COM 297862104 57,869,279 1,420,105 X 187,245 0 1,232,860
EXODUS COMMUNICATIONS INC COM 302088109 158,770,926 1,323,775 X 52,610 0 1,271,165
EXTREME NETWORKS INC COM 30226D106 23,352,939 402,200 X 12,825 0 389,375
FASTENAL CO COM 311900104 7,416,936 141,442 X 6,475 0 134,967
FIRST AMERICAN FINANCIAL CORP COM 318522307 33,715,754 1,886,196 X 87,744 0 1,798,452
GENERAL CIGAR HOLDINGS INC CL A 36933P100 11,481,414 1,469,527 X 25,879 0 1,443,648
GENERAL ELECTRIC CO COM 369604103 324,875 2,875 X - 0 2,875
Page Total: 1,521,846,491
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PAGE 4 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
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(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
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TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
- -----------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
GETTY IMAGES INC COM 374276103 1,073,044 56,850 X 25,250 0 31,600
GILLETTE CO COM 375766102 241,900 5,900 X 5,800 0 100
GLOBAL MARINE INC COM 379352404 3,843,290 248,950 X 16,250 0 232,700
GLOBAL MEDIA CORP COM 37935A109 225,250 34,000 X 5,000 0 29,000
GOTO.COM INC COM 38348T107 14,158,200 505,650 X 800 0 504,850
HALLIBURTON CO COM 406216101 4,286,306 94,725 X 8,915 0 85,810
HCC INSURANCE HOLDINGS INC COM 404132102 3,310,315 145,906 X 21,625 0 124,281
HI / FN INC COM 428358105 1,141,875 15,000 X - 0 15,000
HIGH SPEED ACCESS COM 42979U102 34,850,641 1,360,025 X 213,025 0 1,147,000
HOLLINGER INTERNATIONAL INC CL A 435569108 19,000 1,600 X - 0 1,600
HOLLYWOOD PARK INC NEW COM 436255103 6,589,676 387,628 X - 0 387,628
I2 TECHNOLOGIES INCC COM 465754109 4,416,100 102,700 X 3,675 0 99,025
IMPATH INC COM 45255G101 8,785,125 325,375 X 76,815 0 248,560
INGRAM MICRO INC CL A 457153104 12,327,813 478,750 X - 0 478,750
INKTOMI CORP COM 457277101 91,276,593 699,100 X 16,550 0 682,550
INSO CORP COM 457674109 1,164,225 216,600 X 216,600 0 -
INSURANCE AUTO AUCTIONS INC COM 457875102 2,176,875 135,000 X - 0 135,000
INTEGRAL SYSTEMS INC COM 45810H107 2,819,908 123,952 X 1,500 0 122,452
INTERGRAPH CORP COM 458683109 6,657,638 859,050 X 77,200 0 781,850
INTERNATIONAL BUSINESS, MACHINES CORP COM 459200101 388,784 3,008 X - 0 3,008
INTERTAN INC COM 461120107 3,291,993 160,585 X 3,950 0 156,635
IVILLAGE INC COM 46588H105 21,592,928 429,710 X 42,500 0 387,210
KITTY HAWK INC COM 498326107 15,646,444 1,986,850 X 243,850 0 1,743,000
KLLM TRANSPORT SERVICES INC COM 482498102 5,525,049 960,878 X 354,055 0 606,823
LAMAR ADVERTISING CO CL A 512815101 4,996,688 122,055 X 36,100 0 85,955
LANDEC CORP COM 514766104 2,122,883 566,102 X 30,525 0 535,577
LASER PACIFIC MEDIA CORP COM 517923108 649,875 108,875 X - 0 108,875
LEVEL 3 COMMUNICATIONS INC COM 52729N100 65,912,235 1,097,385 X 16,645 0 1,080,740
LYCOS INC COM 550818108 2,123,783 23,116 X 56 0 23,060
MAPQUEST.COM INC COM 565644101 7,238,486 443,725 X 27,950 0 415,775
MARINE DRILLING COMPANIES INC COM 568240204 3,182,460 232,500 X 12,800 0 219,700
MARTIN MARIETTA MATERIALS INC COM 573284106 37,134,600 629,400 X 1,220 0 628,180
MEDE AMERICA CORP COM 584067102 2,252,731 59,675 X - 0 59,675
MEDIA METRIX INC COM 58440X103 78,526,444 1,474,675 X 55,635 0 1,419,040
Page Total: 449,949,153
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PAGE 5 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
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(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
--------------------------------------------
TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
- -----------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
MEDIAONE GROUP INC COM 58440J104 4,811,691 64,695 X 6,015 0 58,680
MEDICAL MANAGER CORP COM 58461C103 15,949,913 360,450 X 3,650 0 356,800
MEDPARTNERS INC COM 58503X107 3,762,593 497,500 X - 0 497,500
MENS WEARHOUSE INC COM 587118100 1,209,083 47,415 X 558 0 46,857
MENTOR GRAPHICS CORP COM 587200106 1,289,949 100,675 X 4,500 0 96,175
MERCK & CO INC COM 589331107 70,300 950 X - 0 950
MERCURY INTERACTIVE CORP COM 589405109 21,550,450 609,200 X 71,385 0 537,815
MEREDITH CORP COM 589433101 62,325 1,800 X 1,800 0 -
MERIT MEDICAL SYSTEMS INC COM 589889104 1,213,230 243,425 X 2,750 0 240,675
MERRILL LYNCH & CO INC COM 590188108 18,386 230 X - 0 230
METROMEDIA FIBER NETWORK INC CL A 591689104 286,376,175 7,968,630 X 1,210,270 0 6,758,360
METZLER GROUP INC COM 592903108 3,038,059 109,975 X 10,311 0 99,664
MICROGRAFX INC COM 595077108 3,933,220 648,725 X - 0 648,725
MOBIL CORP COM 607059102 13,860 140 X - 0 140
MPATH INTERACTIVE INC COM 62473C101 170,500 7,750 X 1,325 0 6,425
MULTEX COM INC COM 625367107 1,627,457 62,295 X 6,145 0 56,150
NATIONAL INSTRUMENTS CORP COM 636518102 8,557,481 211,950 X 20,800 0 191,150
NAVIGATORS GROUP INC COM 638904102 790,500 52,700 X - 0 52,700
NEON SYSTEM INC COM 640509105 5,850,137 175,285 X 36,700 0 138,585
NETWORK ACCESS SOLUTIONS CORP COM 64120S109 20,635 1,550 X - 0 1,550
NETWORKS INC COM 315616102 20,903,850 509,850 X 5,025 0 504,825
NEWGEN RESULTS CORPORATION COM 651359101 2,732,400 227,700 X - 0 227,700
NOKIA CORP SPNSRD ADR 654902204 19,366,948 211,515 X - 0 211,515
NORTHEAST OPTIC NETWORK INC COM 664334109 11,979,303 795,280 X 13,775 0 781,505
NORTHLAND CRANBERRIES INC CL A 666499108 25,248,345 2,992,230 X 216,525 0 2,775,705
NTL INC COM 629407107 6,454,619 74,890 X 6,675 0 68,215
NUCENTRIX BROADBAND NETWORKS INC COM 670198100 11,018,672 391,775 X 96,175 0 295,600
NYMAGIC INC COM 629484106 156,250 10,000 X - 0 10,000
OFFICE DEPOT INC COM 676220106 1,103,150 50,000 X 762 0 49,238
OUTDOOR SYSTEMS INC COM 690057104 11,190,462 306,588 X 98,347 0 208,241
OVERLAND DATA INC COM 690213103 1,336,519 209,650 X 2,325 0 207,325
PACKAGED ICED INC COM 695148106 3,134,522 527,875 X 2,400 0 525,475
PARKPLACE ENTERTAINMENT CORP COM 700690100 30,710,860 3,170,000 X 200,000 0 2,970,000
PAULA FINANCIAL COM 703588103 3,549,717 394,413 X 17,350 0 377,063
Page Total: 509,201,558
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PAGE 6 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
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(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
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TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
- -----------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
PAXSON COMMUNICATIONS CORP CL A 704231109 11,805,544 925,925 X - 0 925,925
PE CORP ; PE BIOSYSTEMS GROUP COM 69332S102 114,750 1,000 X 1,000 0 -
PEAPOD INC COM 704718105 1,101,993 138,825 X - 0 138,825
PF CHANGS CHINA BISTRO INC COM 69333Y108 4,652,078 215,125 X - 0 215,125
PHONE.COM INC COM 71920Q100 25,527,600 455,850 X 1,975 0 453,875
PHYCOR INC COM 71940F100 9,184,292 1,240,115 X 317,270 0 922,845
POLICY MANAGEMENT SYSTEMS CORP COM 731108106 183,000 6,100 X 6,000 0 100
PONTOTOC PRODUCTION INC COM 732763107 2,833,678 427,725 X 105,650 0 322,075
PORTAL SOFTWARE INC COM 736126103 16,329,964 352,600 X 700 0 351,900
POTOMAC ELECTRIC POWER CO COM 737679100 1,351,940 45,925 X - 0 45,925
POWER INTEGRATIONS INC COM 739276103 109,541 1,498 X - 0 1,498
PREMIER PARKS INC COM 740540208 159,887,086 4,350,669 X 1,185,960 0 3,164,709
PREMIER RESEARCH WORLDWIDE LTD COM 740568100 9,815,524 1,539,690 X 249,350 0 1,290,340
PRISON REALTY CORP COM 74264N105 11,852,789 1,207,866 X 487,612 0 720,254
QUALCOMM INC COM 747525103 39,214,963 273,275 X 25 0 273,250
QUANTUM CORP COM 747906105 2,050,625 85,000 X 175 0 84,825
QWEST COMMUNICATIONS, INTL INC COM 749121109 92,143,969 2,786,921 X 101,400 0 2,685,521
RADIO ONE INC COM 75040P108 1,257,825 27,050 X 550 0 26,500
REALNETWORKS INC, COM 75605L104 89,292,305 1,296,440 X 109,835 0 1,186,605
REDBACK NETWORKS INC COM 757209101 7,714,591 61,440 X 12,925 0 48,515
RENT A CENTER INC COM 76009N100 11,921,448 496,727 X 29,312 0 467,415
RES-CARE INC COM 760943100 10,157,238 446,472 X 5,538 0 440,934
RHYTHMS NETCONNECTIONS INC COM 762430205 12,302,531 210,750 X 4,465 0 206,285
S3 INC COM 784849101 3,273,750 360,000 X 360,000 0 -
SAGENT TECHNOLOGY INC COM 786693101 4,861,266 563,625 X 18,625 0 545,000
SANTA CRUZ OPERATION INC COM 801833104 8,335,025 1,276,225 X 205,940 0 1,070,285
SAUCONY INC CL A 804120103 142,188 6,500 X - 0 6,500
SAUCONY INC CL B 804120202 277,156 12,250 X - 0 12,250
SCP POOL CORP COM 784028102 9,488,854 366,719 X 17,575 0 349,144
SDL INC COM 784076101 30,007,172 587,650 X 750 0 586,900
SEACHANGE INTERNATIONAL INC COM 811699107 5,814,047 320,775 X 12,375 0 308,400
SEACOR SMIT INC, FORMERLY SECOR HLDG IN COM 811904101 218,280 4,080 X 4,080 0 -
SERVICE EXPERTS INC COM 817567100 1,656,955 75,529 X 775 0 74,754
SFX ENTERTAINMENT INC CL A 784178105 15,689,232 235,705 X 49,345 0 186,360
Page Total: 600,569,198
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PAGE 7 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
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(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
--------------------------------------------
TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
- -----------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
SIEBEL SYSTEMS INC COM 826170102 20,394,714 307,265 X 59,600 0 247,665
SOFTWORKS INC COM 83404P102 926,200 84,200 X 1,025 0 83,175
SOLECTRON CORP COM 834182107 209,462,540 3,140,936 X 489,410 0 2,651,526
SPORTS CLUB CO INC COM 84917P100 461,794 111,950 X 13,375 0 98,575
STILLWATER MINING CO COM 86074Q102 2,155,937 65,955 X 2,766 0 63,189
SUMMIT TECHNOLOGY INC COM 86627E101 28,201,250 1,281,875 X - 0 1,281,875
SUNGLASS HUT INTERNATIONAL INC COM 86736F106 17,162,648 998,525 X - 0 998,525
SYNETIC INC COM 87160F109 4,868,188 70,810 X 5,815 0 64,995
TANDY CORP COM 875382103 13,400,059 274,170 X 14,750 0 259,420
TCI MUSIC INC CL A 87229N101 23,383,406 661,015 X 60 0 660,955
TCI SATELLITE ENTERTAINMENT INC CL A 872298104 1,908,966 649,750 X - 0 649,750
TELIGENT INC CL A 87959Y103 15,274,446 255,370 X 1,400 0 253,970
TEMPLE INLAND INC COM 879868107 170,625 2,500 X - 0 2,500
TEXAS INSTRUMENTS INC COM 882508104 163,049,600 1,124,480 X 122,825 0 1,001,655
TIME WARNER INC (HOLDING CO) COM 887315109 1,323,000 18,000 X - 0 18,000
TMP WORLDWIDE INC COM 872941109 12,950,825 203,950 X - 0 203,950
TRANSNATIONAL FINL CORP COM 893776104 24,750 5,500 X - 0 5,500
TRENWICK GROUP INC COM 895290104 1,089,746 44,198 X - 0 44,198
TRIDENT MICROSYSTEMS INC COM 895919108 2,388,880 260,000 X - 0 260,000
TSI INTERNATIONAL SOFTWARE LTD COM 872879101 45,754,234 1,612,484 X 219,800 0 1,392,684
TWEETER HOME ENTMT GROUP INC COM 901167106 18,265,851 465,372 X 14,950 0 450,422
U S FRANCHISE SYSTEMS INC CL A 902956309 26,654,374 1,149,490 X 14,625 0 1,134,865
UNILEVER N V NEW YORK SHS COM 904784709 44,780 642 X - 0 642
UNIPHASE CORP COM 909149106 55,922,910 336,885 X 16,530 0 320,355
UNITED INTERNATIONAL HOLDINGS INC CL A 910734102 6,910,261 102,185 X 8,950 0 93,235
USINTERNETWORKING INC COM 917311805 6,731,130 160,265 X 26,810 0 133,455
VALLEY NATIONAL GASES INC PA 919792101 82,500 20,000 X 20,000 0 -
VALUE CITY DEPARTMENT STORES, INC COM 920387107 4,422,863 361,050 X 118,225 0 242,825
VERISIGN INC COM 92343E102 110,983,050 1,286,760 X 35,730 0 1,251,030
VERTICALNET INC-PA COM 92532L107 37,275,197 355,425 X 18,375 0 337,050
VIACOM INC CL A 925524100 13,238 300 X - 0 300
VIGNETTE CORP COM 926734104 23,950,125 319,335 X 21,975 0 297,360
WALT DISNEY CO HOLDING CO COM 254687106 137,303 4,456 X - 0 4,456
WESTOWER CORP COM 96121E101 15,523,200 633,600 X 66,925 0 566,675
Page Total: 871,268,585
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
PAGE 8 NAME OF REPORTING MANAGER: GILDER, GAGNON, HOWE & CO. FOR THE QUARTER END: 06/30/99
- -----------------------------------------------------------------------------------------------------------------------------------
(ITEM 1:) (ITEM 2) (ITEM 3) (ITEM 4) (ITEM 5) (ITEM 6) (ITEM 7) (ITEM 8)
INVESTMENT DISCRETION VOTING AUTHORITY
--------------------------------------------
TITLE FAIR SHARES OR SOLE SHARE SHARED SOLE SHARED NONE
OF MARKET PRINCIPAL OTHER
NAME OF ISSUER CLASS CUSIP NO. VALUE AMOUNT (A) (B) (C) MGRS (A) (B) (C)
- -----------------------------------------------------------------------------------------------------------------------------------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
WEYERHAEUSER CO COM 962166104 77,221,719 1,123,225 X - 0 1,123,225
WHITMAN CORP COM 96647R107 145,800 8,100 X 8,000 0 100
XEROX CORP COM 984121103 118,126 2,000 X 2,000 0 -
YAHOO INC COM 984332106 207,822,381 1,206,516 X 340,710 0 865,806
YOUNG & RUBICAM INC COM 987425105 2,059,477 45,325 X 8,350 0 36,975
=============
5,398,579,924
</TABLE>
