UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, C.C 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: December 31, 1999
Institutional Investment Manager Filing this Report:
Name: RS Investment Management, Inc.
Address: 388 Market Street, Ste. 200
San Francisco, CA 94111
13F File Number: 28-4862
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
understoodthat 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: George Randall Hecht
Title: CEO
Phone: (415) 591-2700
Signature, Place, and Date of Signing:
G. Randall Hecht San Francisco, CA December 15, 1999
Report Type:
[X] 13F HOLDINGS REPORT
[ ] 13F NOTICE
[ ] 13F COMBINATION REPORT
List of Other Managers Reporting for this Manager: NONE
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES AND EXCHANGE ACT
OF
1934.
<PAGE>
13F Summary Page
Report Summary:
Number of Other Included Managers: None
Form 13F Information Table Entry Total: 312
Form 13F Information Table Value Total: 3,627,119
List of Other Included Managers: None
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C> <C> <C> <C> <C>
ISSUER CLASS CUSIP VALUE SHS INVEST VOTG
(x1,000) DISCRET AUTH
@plan.inc Com 04962q100 617 62,500 Sole Sole
24/7 Media Com 901314104 43,431 772,100 Sole Sole
99 Cents Only Stores Com 65440k106 9,857 257,700 Sole Sole
Aavid Thermal Tech Com 002539104 265 10,800 Sole Sole
Abercrombie & Fitch Com 002896207 5,338 200,000 Sole Sole
Abgenix Com 00339B107 32,661 246,500 Sole Sole
About.Com Inc Com 003736105 16,707 186,150 Sole Sole
Accrue Software Com 00437w102 11,139 205,800 Sole Sole
Act Manufacturing Com 000973107 379 10,100 Sole Sole
Active Software Com 00504E100 18,740 203,700 Sole Sole
Activision Com 004930202 1,680 109,700 Sole Sole
Acxiom Com 005125109 20,585 857,700 Sole Sole
Adaptive Broadband Com 00650m104 849 11,500 Sole Sole
Advanced Fibre Comm Com 00754a105 17,875 400,000 Sole Sole
Advent Software Com 007974108 13,105 203,375 Sole Sole
Affiliated Managers Com 008252108 1,618 40,000 Sole Sole
Agency.Com LTD Com 008447104 222 4,350 Sole Sole
AirGate PCS Com 009367103 3,561 67,500 Sole Sole
Albany Molecular RsrcCom 012423109 305 10,000 Sole Sole
Alkermes Com 01642t108 246 5,000 Sole Sole
Allegiance Telecom Com 01747t102 22,491 243,800 Sole Sole
Allscripts Com 019886100 4,400 100,000 Sole Sole
Amer Eagle OutfittersCom 02553e106 14,450 321,100 Sole Sole
American Tower Cl A 029912201 7,194 235,400 Sole Sole
Ameritrade Holding Com 03072h109 7,591 350,000 Sole Sole
AMFM Com 001693100 22,798 291,354 Sole Sole
Anadigics Com 032515108 236 5,000 Sole Sole
Anesta Com 034603100 816 47,500 Sole Sole
Annuity & Life Re ORD g03910109 261 10,000 Sole Sole
AnswerThink ConsultinCom 036916104 5,997 175,100 Sole Sole
Applied Micro CircuitCom 03822w109 5,522 43,396 Sole Sole
Applied Theory Com 03828R104 7,354 265,000 Sole Sole
Arthrocare Com 043136100 183 3,000 Sole Sole
Aspect Development Com 045234101 39,846 581,700 Sole Sole
Asyst Tech Com 04648x107 570 8,700 Sole Sole
ATMI Com 00207R101 436 13,200 Sole Sole
Autoweb.com Com 053331104 5,621 516,900 Sole Sole
Aware Com 05453n100 20,832 572,700 Sole Sole
Bea Systems Com 073325102 143,6942,054,600 Sole Sole
Bed Bath and Beyond Com 075896100 17,820 512,800 Sole Sole
Best Software Com 086579109 410 13,900 Sole Sole
Bindview Development Com 090327107 678 13,650 Sole Sole
Biomatrix Com 09060p102 6,920 359,500 Sole Sole
BISYS Com 055472104 8,965 137,400 Sole Sole
BJ Services Com 055482103 6,272 150,000 Sole Sole
Blue Rhino Com 095811105 166 17,000 Sole Sole
Bluestone Software Com 09623P102 17,848 155,200 Sole Sole
Brio Tech Com 109704106 16,052 382,200 Sole Sole
Broadbase Software Com 11130R100 17,629 156,700 Sole Sole
Broadvision Com 111412102 29,098 171,100 Sole Sole
Brocade Comm Sys Com 111621108 33,276 188,000 Sole Sole
Business Objects S.A.Spons ADR 12328x107 39,366 294,600 Sole Sole
C/Net Com 125945105 11,350 200,000 Sole Sole
Caliper Tech Com 130876105 230 3,450 Sole Sole
Calpine Com 131347106 11,200 175,000 Sole Sole
Candela Com 136907102 193 10,350 Sole Sole
CapRock Comm Com 140667106 860 26,500 Sole Sole
Career Education Com 141665109 280 7,300 Sole Sole
C-bridge Internet Com 12500b105 1,150 23,650 Sole Sole
CEC Entertainment Com 125137109 222 7,850 Sole Sole
Celgene Com 151020104 385 5,500 Sole Sole
Cell Genesys Com 150921104 1,281 100,000 Sole Sole
Cephalon Com 156708109 10,369 300,000 Sole Sole
Check Point Software ORD m22465104 47,859 240,800 Sole Sole
CheckFree Holdings Com 162816102 18,193 174,100 Sole Sole
Citadel Comm Com 172853202 29,009 447,150 Sole Sole
Clarent Com 180461105 23,698 304,800 Sole Sole
Closure Medical Com 189093107 151 11,700 Sole Sole
CMG Info Svcs Com 125750109 9,525 34,400 Sole Sole
Cobalt Networks Com 19074R101 1,474 13,600 Sole Sole
Concentric Network Com 20589r107 16,189 525,400 Sole Sole
Conexant Systems Com 207142100 25,223 380,000 Sole Sole
Copper Mtn Networks Com 217510106 11,281 231,400 Sole Sole
Covad Comm Com 222814204 26,386 471,700 Sole Sole
Cox Radio Com 224051102 25,506 255,700 Sole Sole
Cree Com 225447101 28,199 330,300 Sole Sole
Critical Path Com 22674v100 4,719 50,000 Sole Sole
Crown Castle Intl Com 228227104 17,148 533,800 Sole Sole
Cumulus Media Com 231082108 19,082 376,000 Sole Sole
Curagen Com 23126r101 195 2,800 Sole Sole
Cybersource Com 23251j106 8,694 168,000 Sole Sole
Cybex Com 232522102 543 13,400 Sole Sole
Cysive Com 23281T108 14,384 199,600 Sole Sole
CYTYC Com 232946103 27,594 451,900 Sole Sole
Diamond Tech PartnersCom 252762109 529 6,150 Sole Sole
Digex Com 253756100 19,013 276,550 Sole Sole
Digital Lightwave Com 253855100 19,040 297,500 Sole Sole
Digital Microwave Com 253859102 384 16,400 Sole Sole
Dionex Com 254546104 2,059 50,000 Sole Sole
Ditech Comm Com 25500M103 22,150 236,900 Sole Sole
DoubleClick Com 258609304 22,241 87,886 Sole Sole
DSL.Net Com 262506108 5,042 349,250 Sole Sole
Duane Reade Com 263578106 331 12,000 Sole Sole
Dusa Pharmaceuticals Com 266898105 5,007 175,700 Sole Sole
Earthlink Network Com 270322100 565 13,300 Sole Sole
EBenX Com 278668108 2,489 55,000 Sole Sole
Echostar Comm Com 278762109 50,222 515,100 Sole Sole
Ecollege.com Com 27887e100 207 18,950 Sole Sole
Effucient Networks Com 282056100 15,735 231,400 Sole Sole
Egain Comm Com 28225C103 3,156 83,600 Sole Sole
Electric Lightwave Com 284895109 1,052 56,100 Sole Sole
Electronic Arts Com 285512109 13,860 165,000 Sole Sole
E-Loan Com 26861P107 8,489 522,400 Sole Sole
Emmis Comm Cl A 291525103 41,804 335,400 Sole Sole
Entercom Comm Com 293639100 33,589 507,000 Sole Sole
Espeed Com 296643109 15,822 444,900 Sole Sole
E-Tek Dynamics Com 269240107 59,114 439,100 Sole Sole
Exchange ApplicationsCom 300867108 33,832 605,500 Sole Sole
Expedia Cl A 302125109 7,263 207,500 Sole Sole
Extended Systems Com 301973103 311 6,500 Sole Sole
Extreme Network Com 30226d106 19,518 233,750 Sole Sole
Factory 2-U Com 303072102 9,823 346,200 Sole Sole
Faro Tech Com 311642102 77 26,100 Sole Sole
Faroudja Com 311643100 229 45,600 Sole Sole
FileNet Com 316869106 16,677 654,000 Sole Sole
Financial Federal Com 317492106 9,043 396,400 Sole Sole
FIserv Com 337738108 6,199 161,800 Sole Sole
Flycast Comm Com 344067103 6,497 50,000 Sole Sole
Forward Air Com 349853101 22,555 520,000 Sole Sole
Foundry Networks Com 35063R100 4,933 16,350 Sole Sole
Four Seasons Hotels Com 35100e104 18,355 344,700 Sole Sole
Freemarkets.com Com 356602102 922 2,700 Sole Sole
Garden Fresh Rest. Com 365235100 217 12,700 Sole Sole
Gemstar Intl LTD ORD g3788v106 17,428 244,600 Sole Sole
Gilat Satellite NetwoORD M51474100 34,402 289,700 Sole Sole
Globespan Semi Com 379571102 9,769 150,000 Sole Sole
Goto.com Com 38348T107 9,532 162,250 Sole Sole
Gric Comm Com 398081109 1,142 45,000 Sole Sole
Harbinger Com 41145c103 714 22,450 Sole Sole
Hispanic BroadcastingCl A 43357B104 20,869 226,300 Sole Sole
HNC Software Com 40425p107 25,697 243,000 Sole Sole
Homestore.Com Com 437852106 10,885 146,600 Sole Sole
Hot Topic Com 441339108 439 18,900 Sole Sole
HotJobs.com Com 441474103 25,280 578,650 Sole Sole
Ibasis Com 450732102 683 23,750 Sole Sole
Immersion Com 452521107 7,804 203,350 Sole Sole
Infinity BroadcastingCom 45662s102 34,137 943,325 Sole Sole
Infonet Com 45666t106 705 26,850 Sole Sole
Informatica Com 45666Q102 7,627 71,700 Sole Sole
Infospace.com Com 45678t102 2,846 13,300 Sole Sole
Integrated Device TecCom 458118106 19,343 667,000 Sole Sole
Interactive IntelligeCom 45839M103 11,905 447,150 Sole Sole
Intercept Com 45845l107 356 12,000 Sole Sole
InterNAP Network SvcsCom 45885A102 29,877 172,700 Sole Sole
Intraware Com 46118m103 22,950 287,100 Sole Sole
ISS Com 450306105 36,615 514,800 Sole Sole
ITXC Com 45069f109 13,300 395,550 Sole Sole
Ixnet Com 46601c109 4,519 150,000 Sole Sole
JD Edwards & Co. Com 281667105 6,722 225,000 Sole Sole
Jones Medical Com 480236108 508 11,700 Sole Sole
Juniper Networks Com 48203r104 15,504 45,600 Sole Sole
Kendle International Com 48880l107 213 21,600 Sole Sole
Keynote Systems Com 493308100 553 7,500 Sole Sole
Knight/Trimark Com 499067106 77,1791,677,800 Sole Sole
Krause's Furniture Com 500760202 218 75,700 Sole Sole
Lamar Advertising Com 512815101 19,958 329,550 Sole Sole
Lattice Semi Com 518415104 11,612 246,400 Sole Sole
Legato Systems Com 524651106 26,314 382,400 Sole Sole
Legg Mason Com 524901105 1,813 50,000 Sole Sole
LifeCell Com 531927101 277 54,100 Sole Sole
Lifeminders.com Com 53219h108 11,550 200,000 Sole Sole
Linens 'N Things Com 535679104 4,438 149,800 Sole Sole
Liquid Audio Com 53631T102 11,788 449,050 Sole Sole
LTX Com 502392103 6,511 291,000 Sole Sole
Lycos Com 550818108 23,869 300,000 Sole Sole
Macafee.Com Com 579062100 315 7,000 Sole Sole
Macromedia Com 556100105 23,290 318,500 Sole Sole
Macrovision Com 555904101 10,071 136,100 Sole Sole
Maxygen Com 577776107 266 3,750 Sole Sole
MBNA Com 55262l100 6,325 232,100 Sole Sole
McleodUSA Com 582266102 15,808 268,500 Sole Sole
Medarex Com 583916101 15,585 418,400 Sole Sole
Mediaplex Com 58446b105 483 7,700 Sole Sole
Medicis Pharma Com 584690309 4,780 112,300 Sole Sole
Medimmune Com 584699102 1,908 11,500 Sole Sole
Medscape Com 585046105 1,490 148,950 Sole Sole
MemberWorks Com 586002107 6,113 184,200 Sole Sole
Mens Wearhouse Com 587118100 353 12,000 Sole Sole
Mercury Interactive Com 589405109 26,196 242,700 Sole Sole
Metamor Worldwide Com 59133p100 306 10,500 Sole Sole
Metro One TeleComm Com 59163f105 215 16,500 Sole Sole
Metromedia Fiber Cl A 591689104 12,099 252,400 Sole Sole
Micros Systems Com 594901100 274 3,700 Sole Sole
Millennium Pharma Com 599902103 8,941 73,290 Sole Sole
Mips Tech Com 604567107 10,088 194,000 Sole Sole
MMC Networks Com 55308n102 12,354 359,400 Sole Sole
Molecular Devices Com 60851c107 515 9,900 Sole Sole
Monaco Coach Com 60886r103 256 10,000 Sole Sole
Monterey Pasta Com 612570101 57 14,400 Sole Sole
Mothernature.com Com 61978k105 322 44,050 Sole Sole
M-Syst Flash Disk Ord M7061C100 5,457 166,000 Sole Sole
Multex.com Com 625367107 6,434 171,000 Sole Sole
MyPoints.com Com 62855T102 8,066 109,000 Sole Sole
National Info ConsortCom 636491102 9,971 311,600 Sole Sole
Natrol Com 638789107 148 21,100 Sole Sole
Navisite Com 63935m109 14,320 143,200 Sole Sole
NCO Com 628858102 328 10,900 Sole Sole
Net IQ Com 64115p102 17,764 341,200 Sole Sole
Netcentives Com 64108P101 13,678 219,500 Sole Sole
Netcreations Com 64110N102 2,363 53,700 Sole Sole
Netegrity Com 64110p107 21,582 379,050 Sole Sole
Netopia Com 64114k104 39,537 727,950 Sole Sole
Netscout Systems Com 64115T104 2,781 89,700 Sole Sole
Network Appliance Com 64120l104 36,248 436,400 Sole Sole
Network Solutions Com 64121q102 77,800 357,600 Sole Sole
Nextcard Com 65332k107 595 20,600 Sole Sole
Nextel Comm Cl A 65332v103 2,578 25,000 Sole Sole
Noble Drilling Com 655042109 4,094 125,000 Sole Sole
On Assignment Com 682159108 4,750 159,000 Sole Sole
On Display Com 68232L100 809 8,900 Sole Sole
Optimal Robotics Com 68388r208 453 12,150 Sole Sole
Orckit Comm Ltd. Com M7531S107 15,842 461,700 Sole Sole
Pac West Telecom Com 69371y101 362 13,650 Sole Sole
Panamsat Com 697933109 8,514 143,400 Sole Sole
P-Com Com 693262107 217 24,500 Sole Sole
Pcorder.Com Com 70453H107 14,734 288,900 Sole Sole
PC-Tel Com 69325Q105 2,370 45,150 Sole Sole
Peregrine Systems Com 71366q101 2,155 25,600 Sole Sole
Performance Tech Com 71376k102 387 22,250 Sole Sole
Pharmacyclics Com 716933106 3,704 89,800 Sole Sole
Pinnacle holdings Com 72346n101 17,505 413,100 Sole Sole
Pivotal Com 72581r106 4,880 115,500 Sole Sole
PMC-Sierra Com 69344f106 14,075 87,800 Sole Sole
Power Integrations Com 739276103 34,812 726,200 Sole Sole
Powerwave Tech Com 739363109 14,407 246,800 Sole Sole
Precision Response Com 740314109 3,657 150,800 Sole Sole
PRI Automation Com 69357h106 289 4,300 Sole Sole
Primus Knowledge Sol.Com 74163Q100 18,653 411,650 Sole Sole
Primus TeleComm Com 741929103 19,798 517,600 Sole Sole
Progenics Pharma Com 743187106 4,888 100,000 Sole Sole
Protein Design Labs Com 74369l103 12,880 184,000 Sole Sole
Proxicom Com 744282104 45,001 362,000 Sole Sole
PsiNet Com 74437c101 17,392 281,652 Sole Sole
PSW Tech Com 69364j103 5,186 260,100 Sole Sole
QLogic Com 747277101 29,449 184,200 Sole Sole
QLT Photothera. Com 746927102 17,625 300,000 Sole Sole
QRS Com 74726X105 725 6,900 Sole Sole
RadiSys Com 750459109 184 3,600 Sole Sole
Ramp Networks Com 751567108 3,443 225,800 Sole Sole
Rare Hospitality IntlCom 753820109 331 15,300 Sole Sole
RAVISENT Tech Com 754440105 961 25,000 Sole Sole
RealNetworks Com 75605l104 20,044 166,600 Sole Sole
Redback Networks Com 757209101 29,234 164,700 Sole Sole
Regis Com 758932107 251 13,300 Sole Sole
Remec Com 759543101 360 14,100 Sole Sole
Rent-A-Center Com 76009N100 339 17,100 Sole Sole
Res-Care Com 760943100 181 14,200 Sole Sole
Research in Motion Com 760975102 5,954 128,900 Sole Sole
ResMed Com 761152107 10,145 243,000 Sole Sole
RF Micro Devices Com 749941100 8,178 119,500 Sole Sole
RSA Security Com 749719100 24,994 322,500 Sole Sole
Sagent Tech Com 786693101 19,477 650,600 Sole Sole
Sandisk Com 80004c101 1,675 17,400 Sole Sole
Sanmina Com 800907107 11,486 115,000 Sole Sole
Sapient Com 803062108 25,284 179,400 Sole Sole
Sawtek Com 805468105 28,842 433,300 Sole Sole
Scient Com 80864h109 24,254 280,600 Sole Sole
Scientific Learning Com 808760102 11,600 317,800 Sole Sole
SeaChange Intl Com 811699107 265 7,500 Sole Sole
Segue Software Com 815807102 3,208 128,300 Sole Sole
SEI Investments Co. Com 784117103 11,771 98,900 Sole Sole
Shop at Home Com 825066301 128 12,900 Sole Sole
Siebel Software Com 826170102 23,528 280,100 Sole Sole
Silicon Image Com 82705T102 8,057 115,000 Sole Sole
Silicon Storage Tech Com 827057100 9,125 221,200 Sole Sole
Silknet Software Com 827094103 28,592 172,500 Sole Sole
Software.Com Com 83402p104 11,078 115,400 Sole Sole
SonicWALL Com 835470105 384 9,550 Sole Sole
Spanish Broad. Com 846425882 26,100 648,450 Sole Sole
SportsLine.com Com 848934105 8,747 174,500 Sole Sole
Stamps.Com Com 852857101 8,387 201,500 Sole Sole
Student Advantage Com 86386Q105 11,686 526,700 Sole Sole
Sup. Consult. Hldgs Com 868146101 181 12,700 Sole Sole
surModics Com 868873100 1,482 49,400 Sole Sole
Sycamore Networks Com 871206108 31,816 103,300 Sole Sole
Taiwan Semi Spons ADR 874039100 22,191 493,133 Sole Sole
Tanning Tech Com 87588p101 6,813 115,600 Sole Sole
Teletch Holdings Com 879939106 8,453 250,800 Sole Sole
Teligent Cl A 87959y103 9,750 157,900 Sole Sole
The Shaw Com 820280105 297 11,750 Sole Sole
Tibco Software Com 88632q103 11,215 73,300 Sole Sole
Titan Com 888266103 325 6,900 Sole Sole
Tmaster Online-CitysrCom 88633p203 1,169 30,400 Sole Sole
TMP Worldwide Com 872941109 14,569 102,600 Sole Sole
Towne Services Com 892148107 74 18,400 Sole Sole
TransSwitch Com 894065101 12,278 169,200 Sole Sole
Trex Com 89531p105 358 13,400 Sole Sole
Triton PCS Holdings Com 89677M106 11,941 262,450 Sole Sole
TSI Intl Software Com 872879101 16,891 298,300 Sole Sole
Tweeter Home Enter. Com 901167106 213 6,000 Sole Sole
United Global.Com Com 913247508 16,879 239,000 Sole Sole
Univision Comm Com 914906102 27,867 272,700 Sole Sole
VA Linux Systems Com 91819b105 1,922 9,300 Sole Sole
Valuevision Intl Com 92047k107 9,955 173,700 Sole Sole
Verio Com 923433106 13,108 283,800 Sole Sole
Veritas Software Com 923436109 27,201 190,050 Sole Sole
Verity Com 92343c106 3,047 71,600 Sole Sole
Viant Com 92553N107 7,252 73,250 Sole Sole
Viatel Com 925529208 14,994 279,600 Sole Sole
Vignette Com 926734104 23,122 141,850 Sole Sole
Visible Genetics Com 92829S104 2,409 80,300 Sole Sole
Visx Com 92844s105 2,588 50,000 Sole Sole
Vitaminshoppe.com Com 92848m104 919 100,700 Sole Sole
Vitria Tech Com 92849Q104 9,828 42,000 Sole Sole
Waddell & Reed Com 930059100 6,947 256,100 Sole Sole
Web Street Com 947336103 5,753 464,900 Sole Sole
Webstakes.com Com 94768K100 4,148 210,000 Sole Sole
XM Satellite Radio Cl A 983759101 4,764 124,950 Sole Sole
Xpedior Com 98413b100 595 20,700 Sole Sole
Yesmail.com Com 98583Q101 5,819 172,100 Sole Sole
Zoran Com 98975F101 3,914 70,200 Sole Sole
Z-Tel Tech Com 988792107 5,386 133,400 Sole Sole
</TABLE>
