13F-HR 1 wam13f-0928.txt 13F UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 13F FORM 13F COVER PAGE REPORT FOR THE QUARTER ENDED: 09/28/01 CHECK HERE IF AMENDMENT [ ]; AMENDMENT NUMBER: THIS AMENDMENT (CHECK ONE ONLY): [ ] IS A RESTATEMENT [ ] ADDS NEW HOLDINGS ENTRIES. INSTITUTIONAL INVESTMENT MANAGER FILING THIS REPORT: NAME: LIBERTY WANGER ASSET MANAGEMENT, LP ADRESS: 227 W MONROE SUITE 3000 CHICAGO, IL 60606 13F FILE NUMBER: 801-41391 THE INSTITUTIONAL INVESTMENT MANAGER FILING THIS REORT AND THE PERSON TO WHOM IT IS SIGNED HEREBY REPRESENT THAT THE PERSON SIGNING THE REPORT IS AUTHORIZED TO SUBMIT IT, THAT ALL INFORMATION CONTAINED HERIN 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: BRUCE H. LAUER TITLE: CHIEF ADMINISTRATIVE OFFICER PHONE: 312 634 9230 SIGNATURE, PLACE, AND DATE OF SIGNING BRUCE H. LAUER CHICAGO, ILLINOIS SEPTEMBER 18, 2001 REPORT TYPE (CHECK ONLY ONE): [ X ] 13F HOLDINGS REPORT [ ] 13F NOTICE [ ] 13 F COMBINATION REPORT LIST OF OTHER MANAGERS REPORTING FOR THIS MANAGER: I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. FORM 13F SUMMARY PAGE REPORT SUMMARY: NUMBER OF OTHER INCLUDED MANAGERS: 2 FORM 13F INFORMATION TABLE ENTRY TOTAL: 269 FORM 13F INFORMATION TABLE VALUE TOTAL: $4,686,948 LIST OF OTHER INCLUDED MANAGERS: NO. 13F FILE NUMBER NAME 01 28-4798 LIBERTY ACORN INVESTMENT TRUST 02 28-5842 WANGER ADVISORS TRUST Name Of Issuer Class Cusip Share Total Ticker Fair Market Value ( in 000'S) ACTEL CORP CS 004934105 180,000 ACTL 3,197 ACTIVISION INC CS 004930202 535,000 ATVI 14,563 ADVANCED LIGHTING CS 00753C102 931,400 ADLT 1,602 AFFILIATED MANAGERS CS 008252108 1,320,000 AMG 74,989 AIRNET SYSTEMS CS 009417106 600,000 ANS 3,486 AMDOCS FS G02602103 372,200 DOX 9,919 AMERICAN DENTAL CS 025353103 409,000 ADPI 3,068 AMERICAN MANAGEMENT CS 027352103 1,214,000 AMSY 14,580 AMERICAN POWER CONVE CS 029066107 503,000 APCC 5,875 AMERICREDIT CORP CS 03060R101 5,936,900 ACF 187,725 AMETEK INC CS 031100100 595,000 AME 15,637 AMLI RESIDENTIAL CS 001735109 650,000 AML 15,340 ANALYSTS INTERNATION CS 032681108 1,006,000 ANLY 3,068 ANCHOR BANCORP WI CS 032839102 579,200 ABCW 9,615 ANCHOR GAMING CS 033037102 1,070,000 SLOT 44,405 APPLIED INDUSTRIAL T CS 03820C105 652,000 AIT 11,012 AQUILA INC. CS 03840J106 738,100 ILA 16,091 ASE TEST FS Y02516105 600,000 ASTSF 4,620 ASPECT TELECOM CS 04523Q102 347,800 ASPT 623 ASSOCIATED BANCORP CS 045487105 1,128,000 ASBC 38,228 ASYST TECH INC CS 04648X107 630,200 ASYT 5,703 ATCHISON CASTING CS 046613105 593,400 FDY 1,786 ATMOS ENERGY CS 049560105 1,162,000 ATO 25,099 AUTOLIV FS 052800109 577,400 ALV 9,088 AVNET INC CS 053807103 540,000 AVT 9,823 AVOCENTCORP CS 053893103 452,000 AVCT 6,726 AXCELIS TECH CS 054540109 1,285,000 ACLS 12,143 BALLY TOTAL FITNESS CS 05873K108 2,008,000 BFT 40,782 BEVERLY ENTERPRISES CS 087851309 2,375,000 BEV 24,225 BIGFOOT IMS INC PC 089990949 263,158 BIG-IMS 1 BIGFOOT INTL CS 409992948 2,683 BIGFOOT 134 BKF CAPITAL GROUP CS 05548G102 352,900 BKF 9,528 BORDERS GROUP INC CS 099709107 2,175,000 BGP 41,651 BOSTON SCIENTIFIC CS 101137107 475,000 BSX 9,738 BRE PROPERTIES CS 05564E106 535,000 BRE 16,023 BSQUARE CORP. CS 11776U102 1,550,000 BSQR 4,108 CADIZ INC CS 127537108 720,000 CLCI 6,170 CALLOWAY GOLF CS 131193104 2,200,000 ELY 28,160 CAPITAL TRUST CS 14052H100 1,837,300 CT 10,105 CARBO CERAMICS CS 140781105 670,000 CRR 18,559 CARNIVAL CORP CS 143658102 1,583,000 CCL 34,858 CH ENERGY GROUP INC CS 12541M102 200,000 CHG 8,120 CHELSEA PROPERTY CS 163421100 100,000 CPG 4,545 CHESTER COUNTY, PA 4 MB 165578AU 100,000 #APA01 100 CHILES OFFSHORE CS 16888M104 767,800 COD 15,510 CHITTENDEN CORP CS 170228100 955,000 CHZ 24,257 CHOICEPOINT INC CS 170388102 638,500 CPS 26,587 CHRISTOPHER& BANKS CS 171046105 1,122,000 CHBS 33,783 CIBER INC. CS 17163B102 2,594,800 CBR 16,347 CINAR CORP FS 171905300 425,000 CINRB 1,233 CITIZENS UTILS CO DE CS 17453B101 25,160 CZN 237 CLARCOR INC CS 179895107 1,781,000 CLC 42,566 CLICKSOFTWARE TECHS CS M25082104 1,660,000 CKSW 1,677 COACH INC CS 189754104 820,000 COH 21,738 COMARCO INC CS 200080109 1,293,950 CMRO 16,368 COMMONWEALTH BANCORP CS 20268X102 894,000 CMSB 18,434 COMMONWEALTH TELEPHO CS 203349105 1,031,300 CTCO 37,900 CONCORD EFS INC CS 206197105 722,500 CEFT 35,366 CONECTIV CS 206829103 1,845,000 CIV 43,358 CONSOLIDATED TOMOKA CS 210226106 275,400 CTO 5,715 CORVAS INTERNATIONAL CS 221005101 1,383,000 CVAS 7,952 COVANTA ENERGY CS 22281N103 960,000 COV 11,213 CUBIC CORP CS 229669106 235,000 CUB 8,108 CUMULUS MEDIA CS 231082108 280,000 CMLS 1,946 DENVER GO 5.25 MB 2491637L 200,000 #DCO04 205 DIONEX CS 254546104 457,800 DNEX 11,546 DIVERSA CORP CS 255064107 423,300 DVSA 3,979 DREYFUS MUN BD FD CO MF 26201Q104 109,017 DRTAX 1,304 DVI INC CS 233343102 1,120,000 DVI 19,029 DYNEGY INC CS 26816Q101 2,304,800 DYN 79,861 EATON VANCE CORP CS 278265103 397,000 EV 12,446 EDWARDS LIFESCIENCES CS 28176E108 1,282,000 EW 28,717 ELAN PHARM AD 284131208 12,000 ELN 581 EMBRAER AIRCRAFT FS 29081M102 131,500 ERJ 1,677 EQUITABLE RESOURCES CS 294549100 1,774,600 EQT 53,256 EQUITY OFFICE PROP CS 294741103 155,000 EOP 4,960 EQUITY RESIDENTIAL P CS 29476L107 9,000 EQR 526 EURONET WORLDWIDE FS 298736109 244,000 EEFT 2,696 EVERGREEN RESOURCES CS 299900308 754,500 EVG 25,615 EXCEL TECH CS 30067T103 355,000 XLTC 5,584 EXPEDITORS INTL WASH CS 302130109 1,907,000 EXPD 90,296 FIRST HEALTH GROUP CS 320960107 4,766,000 FHCC 140,025 FIRST INDUSTRIAL CS 32054K103 895,000 FR 26,850 FIRST YEARS INC CS 337610109 641,000 KIDD 6,634 FMC TECHNOLOGIES CS 30249U101 964,000 FTI 11,134 FOREST CITY ENT CL A CS 345550107 100,000 FCE.A 4,800 FOREST CITY ENT CL B CS 345550305 466,000 FCE.B 22,578 FORWARD AIR CS 349853101 840,000 FWRD 19,774 FURNITURE BRANDS CS 360921100 685,500 FBN 13,354 GADZOOKS INC CS 362553109 1,352,000 GADZ 18,590 GAIAM CS 36268Q103 340,000 GAIA 5,352 GENE LOGIC INC CS 368689105 252,000 GLGC 3,316 GENERAL GROWTH PROP CS 370021107 450,000 GGP 15,647 GENZYME MOLECULAR CS 372917500 380,000 GZMO 2,945 GETTY IMAGES INC CS 374276103 1,748,500 GETY 19,286 GIBRALTAR STEEL CORP CS 37476F103 1,065,000 ROCK 16,082 GLACIER BANCORP CS 37637Q105 386,200 GBCI 7,338 GLOBAL PAYMENTS CS 37940X102 1,933,040 GPN 56,831 GP STRATEGIES CORP CS 36225V104 820,000 GPX 3,239 GPO AEROPORTUARIO AD 40051E202 626,500 ASR 5,889 GROUP 1 SOFTWARE CS 39943Y103 158,100 GSOF 1,576 GUILFORD PHARM CS 401829106 381,000 GLFD 3,280 H & R BLOCK INC CS 093671105 205,000 HRB 7,905 HAEMONETICS CORP CS 405024100 350,000 HAE 12,114 HARLEY DAVIDSON INC CS 412822108 2,128,000 HDI 86,184 HCC INSURANCE HLDGS CS 404132102 1,340,000 HCC 35,242 HELEN OF TROY CS G4388N106 2,700,000 HELE 28,215 HERMAN MILLER CS 600544100 1,137,000 MLHR 22,137 HON INDUSTRIES INC CS 438092108 540,000 HNI 11,858 HUB GROUP CS 443320106 1,403,300 HUBG 14,875 HYPERION SOLUTIONS CS 44914M104 795,000 HYSL 10,621 IGATE CAPITAL CS 45169U105 2,845,400 IGTE 7,170 IL HEALTH FACILITIES MB 45200KYL 75,000 #ILL03 76 IMMUNEX CORP CS 452528102 225,000 IMNX 4,203 INDUS INTERNATIONAL CS 45578L100 1,440,000 IINT 8,582 INFORMATION HOLDINGS CS 456727106 991,500 IHI 19,473 INFOUSA INC CS 456818301 2,900,000 IUSA 11,774 INHALE THERAPEUTIC S CS 457191104 598,000 INHL 7,953 INSIGHT COMMS CS 45768V108 200,000 ICCI 3,680 INSITUFORM TECH CS 457667103 200,000 INSUA 3,410 INSURANCE AUTO AUCTI CS 457875102 664,000 IAAI 8,964 INTEGRATED CIRCUIT CS 45811K208 890,000 ICST 11,374 INTERMAGNETICS GEN CS 458771102 294,800 IMGC 6,857 INTERNATIONAL GAME T CS 459902102 2,397,000 IGT 101,873 INVESTMENT CO. OF CH FS 045933009 300,000 INVCHINA 1,155 ISLE OF CAPRI CS 464592104 1,250,000 ISLE 8,874 ITT EDUCATIONAL CS 45068B109 2,546,000 ESI 81,472 J D EDWARDS & CO CS 281667105 3,780,000 JDEC 26,914 JABIL CIRCUIT CS 466313103 361,000 JBL 6,462 JACKSONVILLE ELECTRI MB 4693632K 50,000 #JFL02 50 JACKSONVILLE POWER MB 469364DV2 150,000 JACPWR 153 JDA SOFTWARE GROUP CS 46612K108 2,620,000 JDAS 34,427 JONES APPAREL CS 480074103 1,765,777 JNY 45,010 KHANTY MANSISYK ORD FS 649991916 8,083 KMOC 4,244 KHANTY MANSIYSK CB 649992922 1,500,000 KHANTY 1,500 KRONOS INC CS 501052104 1,132,800 KRON 46,501 LABOR READY CS 505401208 3,181,000 LRW 10,147 LAKES GAMING INC CS 51206P109 113,000 LACO 627 LASALLE HOTEL PROP CS 517942108 1,444,000 LHO 13,343 LEUCADIA NATIONAL CO CS 527288104 728,000 LUK 22,714 LIBERTY MEDIA CORP CS 530718105 3,671,848 LMC.A 46,632 LINCARE HOLDINGS INC CS 532791100 2,400,800 LNCR 63,789 LOCUS CS 54099C979 2,500,000 LOCUS 10,000 LOUIS DREYFUS CS 546011107 525,000 LD 20,423 MACERICH CO. CS 554382101 625,000 MAC 13,813 MAGELLAN HEALTH SERV CS 559079108 1,448,800 MGL 16,618 MANUFACTURED HOME CO CS 564682102 787,300 MHC 23,950 MAPICS INC CS 564910107 2,276,000 MAPX 12,791 MARKEL CORP CS 570535104 146,988 MKL 28,663 MAVERICK TUBE CORP CS 577914104 1,606,800 MVK 14,558 MAXYGEN CS 577776107 325,000 MAXY 5,150 MDSI-MOBILE DATA SOL FS 55268N100 152,600 MDSI 429 MEDIACOM COMM CS 58446K105 1,810,000 MCCC 23,584 MERCANTILE BANK CS 587405101 83,000 MRBK 3,295 METABOLEX SERIES F P PS 591014998 363,636 MBOLEX 582 METTLER TOLEDO INT'L CS 592688105 379,000 MTD 15,971 MICHAELS STORES CS 594087108 490,000 MIKE 17,905 MICROCIDE CS 595018102 795,000 MCDE 2,496 MICRODOSE TECH CS 596999995 326,000 MICRODOS 601 MICROS SYSTEMS CS 594901100 2,182,500 MCRS 38,783 MICROSEMI CORP CS 595137100 390,000 MSCC 10,160 MIH LTD FS G6116R101 834,000 MIHL 6,547 MILLENNIUM CELL CS 60038B105 800,000 MCEL 2,992 MOBILE MINI INC CS 60740F105 650,000 MINI 16,874 MOHAWK INDUSTRIES CS 608190104 470,000 MHK 17,273 MONACO COACH CS 60886R103 1,184,700 MNC 16,882 MONARCH CASINO AND R CS 609027107 752,700 MCRI 4,514 MRO SOFTWARE CS 55347W105 758,000 MROI 7,732 MULTEX.COM INC. CS 625367107 3,266,000 MLTX 6,761 MYRIAD GENETICS CS 62855J104 234,000 MYGN 7,170 NATIONAL DATA CORP CS 635621105 2,850,800 NDC 102,629 NAUTICA CS 639089101 1,084,000 NAUT 12,835 NAVIGANT CONSULTING CS 63935N107 3,120,000 NCI 11,575 NEO PLANET PS 64099B921 53,376 NPLANETB 27 NEOPLANET INC SERIES PS 640994935 250,000 NPLANET 125 NEUBERGER BERMAN CS 641234109 1,373,399 NEU 47,904 NEVADA STATE GO 4.50 MB 641459ZS 90,000 #NEV05 90 NEW HORIZONS WW CS 645526104 475,000 NEWH 5,474 NEWPARK RESOURCE CS 651718504 5,697,000 NR 38,455 NEXELL THERAPEUTICS CS 65332H203 147 NEXL 0 NORTHWEST PIPE CO. CS 667746101 97,000 NWPX 1,455 NOVELL INC CS 670006105 8,335,000 NOVL 30,506 NOVOSTE CORP CS 67010C100 1,489,300 NOVT 8,832 NPS PHARM CS 62936P103 516,000 NPSP 16,099 NTL INC FS 629407107 1,095,000 NLI 3,395 ORION POWER CS 686286105 580,000 ORN 14,790 ORTHOFIX INTL NV FS N6748L102 810,700 OFIX 23,105 OWENS & MINOR CS 690732102 780,000 OMI 15,834 PARADIGM GEO FS 69900J104 430,000 PGEO 1,711 PARKER DRILLING CS 701081101 1,440,000 PKD 4,435 PEMSTAR INC CS 706552106 670,500 PMTR 7,711 PEOPLES BANK BRIDGEP CS 710198102 1,391,200 PBCT 30,885 PERLEGEN SCIENCES PS 714999992 1,249,999 PERLEGEN 4,500 PHILADELPHIA CONS CS 717528103 875,100 PHLY 30,401 PIER ONE IMPORTS CS 720279108 1,330,000 PIR 11,039 PINNACLE ENTERTAIN CS 723456109 790,000 PNK 4,701 PINNACLE HOLDINGS CS 72346N101 410,000 BIGT 160 PIONEER STANDARD ELE CS 723877106 985,000 PIOS 8,885 POMEROY COMPUTER CS 731822102 875,300 PMRY 10,547 PRIMEDIA INC CS 74157K101 2,276,500 PRM 5,350 PROQUEST CO CS 74346P102 240,000 PQE 7,896 PROTECTIVE LIFE CS 743674103 995,000 PL 28,855 PROTEIN DESIGN LABS CS 74369L103 132,000 PDLI 6,234 RAINBOW TECH CS 750862104 200,000 RNBO 700 RCM TECHOLOGIES CS 749360400 1,969,000 RCMT 7,581 REPUBLIC BANCORP CS 760282103 784,900 RBNC 11,232 RIVERDEEP CS 76870Q109 40,000 RVDP 585 RLI CORP CS 749607107 360,000 RLI 14,760 ROUSE CO CS 779273101 1,104,000 RSE 26,684 ROYAL OLYMPIC CRUISE CS V7780Z109 391,000 ROCLF 704 RSA SECURITY INC CS 749719100 180,000 RSAS 2,423 SALEM COMMUNICATIONS CS 794093104 1,809,000 SALM 35,276 SEACHANGE INTL CS 811699107 480,000 SEAC 8,386 SECURITY CAPITAL EUR CS 99HWQS906 1,062,498 SCGLOBAL 19,125 SEI INVESTMENTS CO CS 784117103 3,026,000 SEIC 96,832 SENSABLE SERIES C PF PS 817252984 301,205 SENSABLE 1,000 SEROLOGICALS CORPORA CS 817523103 1,853,900 SERO 33,574 SHUFFLE MASTER INC CS 825549108 1,160,000 SHFL 14,628 SIDERCA ADR FS 825863103 480,400 SDT 6,346 SIGMA FS 720673SDL 213,875 SIGMA 2,994 SIX FLAGS INC. CS 83001P109 480,000 PKS 5,870 SKECHERS USA CS 830566105 785,000 SKX 9,169 SL GREEN REALTY CS 78440X101 1,041,000 SLG 32,812 SOLECTRON CORP CS 834182107 350,000 SLR 4,078 SPARTECH CS 847220209 1,316,000 SEH 27,215 SPSS INC CS 78462K102 200,000 SPSS 3,442 STANCORP FINANCIAL CS 852891100 300,000 SFG 14,520 STARTEC GLOBAL COMM CS 85569E103 498,000 STGC 95 STATION CASINOS CS 857689103 2,888,550 STN 24,264 STEINER LEISURE CS P8744Y102 1,206,400 STNR 19,302 STERIS CORP CS 859152100 1,470,500 STE 28,910 STEVEN MADDEN CS 556269108 1,081,200 SHOO 10,974 STONE ENERGY CORP CS 861642106 200,000 SGY 6,440 STRATEGIC HOTEL BOND CV 68599Q9A6 2,500,000 STRAT.B 2,500 STRATEGIC HOTEL CAP CS 862723103 208,333 STRAT.C 1,669 SUMMIT PROPERTIES CS 866239106 540,000 SMT 14,175 SYMYX TECHNOLOGIES CS 87155S108 347,000 SMMX 5,118 SYNCOR CS 87157J106 792,000 SCOR 25,209 SYRRX INC SER C PFD PS 87299N981 769,231 SYRRX 5,000 SYSTEMS AND COMPUTER CS 871873105 2,130,000 SCTC 19,170 TCF FINANCIAL CORP CS 872275102 1,233,000 TCB 56,792 TECHNE CORPORATION CS 878377100 101,000 TECH 2,972 TEKTRONIX CS 879131100 402,000 TEK 7,031 TELEPHONE AND DATA S CS 879433100 713,000 TDS 67,236 TESORO PETROLEUM COR CS 881609101 3,055,700 TSO 36,363 TETRA TECH INC CS 88162G103 380,000 TTEK 8,398 TEXAS REGIONAL BANKS CS 882673106 909,750 TRBS 31,086 THQ INQ CS 872443403 825,000 THQI 35,599 TIDEL TECH CS 886368109 940,000 ATMS 658 TIDEL TECHNOLOGIES 6 CV 8863689A9 3,000,000 TIDEL6% 900 TIPPERARY CORP CS 888002300 1,200,000 TPY 1,920 ULTRA PETROLEUM CS 903914109 1,062,200 UPL 4,249 UMPQUA CORP CS 904214103 48,500 UMPQ 599 UNISOURCE CS 909205106 1,411,400 UNS 19,760 UNITED MICROELEC ADR FS 910873207 206,595 UMC 1,099 USX US STEEL CO CS 90337T101 250,000 X 3,495 VAIL RESORTS INC. CS 91879Q109 1,010,000 MTN 14,039 VARIAN INC. CS 922206107 281,300 VARI 7,168 VISX INC CS 92844S105 1,206,000 EYE 15,955 VITALSTREAM PC 927993998 225,461 VITALSTR 1,578 WACKENHUT CORP CL B CS 929794303 2,623,400 WAK.B 48,533 WATERS CORP CS 941848103 92,000 WAT 3,291 WHOLE FOODS CS 966837106 951,000 WFMI 29,871 WORLD ACCEPTANCE COR CS 981419104 3,036,200 WRLD 21,253 XTO ENERGY INC CS 98385X106 6,697,000 XTO 93,423 YOUNG BROADCASTING A CS 987434107 400,000 YBTVA 5,800 ZALE CORP CS 988858106 599,000 ZLC 15,862 ZEBRA TECH CS 989207105 154,400 ZBRA 5,784 ZENITH NATIONAL INSU CS 989390109 2,380 ZNT 59 4,686,948