13F-HR 1 wam13f-1231.txt 13F UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 13F FORM 13F COVER PAGE REPORT FOR THE QUARTER ENDED: 12/31/01 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 February 06, 2002 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: 274 FORM 13F INFORMATION TABLE VALUE TOTAL: $5,935,635 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) ANCHOR BANCORP WI CS 032839102 923,200 ABCW 16,378 AMERICREDIT CORP CS 03060R101 6,600,900 ACF 208,258 ACLARA BIOSCIENCES CS 00461P106 1,040,000 ACLA 5,273 AXCELIS TECH CS 054540109 1,355,000 ACLS 17,466 ACTEL CORP CS 004934105 261,000 ACTL 5,197 ADVANCED DIGITAL CS 007525108 445,000 ADIC 7,138 ADVANCED LIGHTING CS 00753C102 400,000 ADLT 600 AMERICAN DENTAL CS 025353103 410,000 ADPI 2,583 ATHEROGENICS CS 047439104 124,000 AGIX 750 APPLIED INDUSTRIAL T CS 03820C105 792,000 AIT 14,771 AMETEK INC CS 031100100 691,000 AME 22,036 AFFILIATED MANAGERS CS 008252108 1,340,000 AMG 94,443 AMLI RESIDENTIAL CS 001735109 650,000 AML 16,393 AMERICAN MANAGEMENT CS 027352103 1,214,000 AMSY 21,949 ANALYSTS INTERNATION CS 032681108 2,613,200 ANLY 10,793 AIRNET SYSTEMS CS 009417106 600,000 ANS 4,944 ANSWERTHINK INC CS 036916104 600,000 ANSR 3,918 AMERICAN POWER CONVE CS 029066107 481,000 APCC 6,955 ARENA PHARMA. CS 040047102 630,000 ARNA 7,579 ASSOCIATED BANCORP CS 045487105 1,129,400 ASBC 39,857 ASPECT TELECOM CS 04523Q102 347,800 ASPT 1,349 GPO AEROPORTUARIO AD 40051E202 628,900 ASR 9,685 ASE TEST FS Y02516105 745,500 ASTSF 10,385 ASYST TECH INC CS 04648X107 745,200 ASYT 9,509 ATMOS ENERGY CS 049560105 1,162,000 ATO 24,693 ACTIVISION INC CS 004930202 802,500 ATVI 20,873 AVOCENTCORP CS 053893103 457,000 AVCT 11,082 AVID TECHNOLOGY CS 05367P100 1,493,000 AVID 18,140 AVNET INC CS 053807103 540,000 AVT 13,754 BEVERLY ENTERPRISES CS 087851309 2,635,000 BEV 22,661 BALLY TOTAL FITNESS CS 05873K108 2,210,500 BFT 47,658 BORDERS GROUP INC CS 099709107 1,857,000 BGP 36,843 BIGFOOT INTL CS 409992948 2,683 BIGFOOT 134 BKF CAPITAL GROUP CS 05548G102 352,900 BKF 10,128 BRE PROPERTIES CS 05564E106 535,000 BRE 16,564 BSQUARE CORP. CS 11776U102 3,400,000 BSQR 14,178 BOSTON SCIENTIFIC CS 101137107 475,000 BSX 11,457 CIBER INC. CS 17163B102 3,113,800 CBR 29,425 CARNIVAL CORP CS 143658102 1,583,000 CCL 44,451 CONCORD EFS INC CS 206197105 1,385,000 CEFT 45,400 CHRISTOPHER& BANKS CS 171046105 2,047,500 CHBS 70,127 CH ENERGY GROUP INC CS 12541M102 200,000 CHG 8,694 CHICOS FAS INC CS 168615102 445,000 CHS 17,667 CHITTENDEN CORP CS 170228100 955,000 CHZ 26,358 CIPHERGEN BIOSYS CS 17252Y104 144,000 CIPH 1,152 CONECTIV CS 206829103 1,845,000 CIV 45,184 CLICKSOFTWARE TECHS CS M25082104 1,660,000 CKSW 2,108 CLARCOR INC CS 179895107 1,781,600 CLC 48,370 CADIZ INC CS 127537108 720,000 CLCI 5,774 CLARK/BARDES INC CS 180668105 930,000 CLKB 23,464 CUMULUS MEDIA CS 231082108 700,000 CMLS 11,326 COMARCO INC CS 200080109 1,293,950 CMRO 19,733 COMMONWEALTH BANCORP CS 20268X102 894,000 CMSB 19,802 COMVERSE TECH FS 205862402 135,000 CMVT 3,020 CHILES OFFSHORE CS 16888M104 767,800 COD 15,272 COACH INC CS 189754104 963,000 COH 37,538 COVANTA ENERGY CS 22281N103 940,000 COV 4,249 CHELSEA PROPERTY CS 163421100 100,000 CPG 4,910 CHOICEPOINT INC CS 170388102 661,800 CPS 33,547 CARBO CERAMICS CS 140781105 554,000 CRR 21,695 CAPITAL TRUST CS 14052H100 1,837,300 CT 10,583 COMMONWEALTH TELEPHO CS 203349105 1,033,500 CTCO 47,024 CONSOLIDATED TOMOKA CS 210226106 275,400 CTO 5,475 CUBIC CORP CS 229669106 235,000 CUB 12,070 CUNO INC. CS 126583103 409,700 CUNO 12,496 CORVAS INTERNATIONAL CS 221005101 1,383,000 CVAS 9,059 CABLEVISION SYSTEMS CS 12686C109 106,000 CVC 5,030 CITIZENS UTILS CO DE CS 17453B101 25,160 CZN 268 DIONEX CS 254546104 459,800 DNEX 11,729 AMDOCS FS G02602103 547,000 DOX 18,582 DREYFUS MUN BD FD CO MF 26201Q104 109,017 DRTAX 1,267 DVI INC CS 233343102 1,120,000 DVI 19,264 DIVERSA CORP CS 255064107 423,300 DVSA 5,990 DYNEGY INC CS 26816Q101 2,450,000 DYN 62,475 EURONET WORLDWIDE FS 298736109 189,000 EEFT 3,421 ELAN PHARM AD 284131208 13,700 ELN 617 CALLOWAY GOLF CS 131193104 1,920,000 ELY 36,768 EQUITY OFFICE PROP CS 294741103 151,200 EOP 4,548 EQUITY RESIDENTIAL P CS 29476L107 9,000 EQR 258 EQUITABLE RESOURCES CS 294549100 1,777,600 EQT 60,563 EMBRAER AIRCRAFT FS 29081M102 133,700 ERJ 2,959 ESCO TECHNOLOGIES CS 296315104 96,000 ESE 3,311 ITT EDUCATIONAL CS 45068B109 2,546,000 ESI 93,871 EATON VANCE CORP CS 278265103 530,100 EV 18,845 EVERGREEN RESOURCES CS 299900308 754,500 EVG 29,131 EDWARDS LIFESCIENCES CS 28176E108 1,282,000 EW 35,422 EXPEDITORS INTL WASH CS 302130109 1,919,000 EXPD 109,287 VISX INC CS 92844S105 1,206,000 EYE 15,980 FURNITURE BRANDS CS 360921100 808,500 FBN 25,888 FOREST CITY ENT CL A CS 345550107 150,000 FCE.A 5,805 FOREST CITY ENT CL B CS 345550305 699,000 FCE.B 27,366 ATCHISON CASTING CS 046613105 543,400 FDY 956 FIRST HEALTH GROUP CS 320960107 4,919,500 FHCC 121,708 FIRST INDUSTRIAL CS 32054K103 895,000 FR 27,835 FMC TECHNOLOGIES CS 30249U101 1,364,000 FTI 22,438 FORWARD AIR CS 349853101 840,000 FWRD 28,493 GADZOOKS INC CS 362553109 1,352,000 GADZ 18,576 GAIAM CS 36268Q103 347,000 GAIA 7,565 GLACIER BANCORP CS 37637Q105 740,800 GBCI 15,423 GETTY IMAGES INC CS 374276103 1,711,700 GETY 39,335 GENERAL GROWTH PROP CS 370021107 505,000 GGP 19,594 GUILFORD PHARM CS 401829106 361,000 GLFD 4,332 GENE LOGIC INC CS 368689105 252,000 GLGC 4,748 GLOBAL PAYMENTS CS 37940X102 1,943,040 GPN 66,841 GP STRATEGIES CORP CS 36225V104 820,000 GPX 3,116 GROUP 1 SOFTWARE CS 39943Y103 193,100 GSOF 3,003 GENZYME MOLECULAR CS 372917500 380,000 GZMO 3,040 HAEMONETICS CORP CS 405024100 350,000 HAE 11,872 HCC INSURANCE HLDGS CS 404132102 1,340,000 HCC 36,917 HARLEY DAVIDSON INC CS 412822108 2,141,000 HDI 116,278 HELEN OF TROY CS G4388N106 2,700,000 HELE 33,507 HON INDUSTRIES INC CS 438092108 540,000 HNI 14,931 HOT TOPIC INC CS 441339108 336,000 HOTT 10,547 H & R BLOCK INC CS 093671105 205,000 HRB 9,164 HUB GROUP CS 443320106 1,403,300 HUBG 14,707 HYPERION SOLUTIONS CS 44914M104 795,000 HYSL 15,789 INSURANCE AUTO AUCTI CS 457875102 619,000 IAAI 8,982 INSIGHT COMMS CS 45768V108 200,000 ICCI 4,832 INTEGRATED CIRCUIT CS 45811K208 890,000 ICST 20,105 INTERNATIONAL GAME T CS 459902102 3,467,100 IGT 236,803 IGATE CAPITAL CS 45169U105 3,874,000 IGTE 15,883 INFORMATION HOLDINGS CS 456727106 1,115,300 IHI 31,574 INDUS INTERNATIONAL CS 45578L100 1,490,000 IINT 10,877 AQUILA INC. CS 03840J106 1,727,100 ILA 29,533 INTERMAGNETICS GEN CS 458771102 294,800 IMGC 7,635 IMMUNEX CORP CS 452528102 225,000 IMNX 6,235 INCYTE PHARMACEUTICA CS 45337C102 135,000 INCY 2,641 INHALE THERAPEUTIC S CS 457191104 598,000 INHL 11,093 INSITUFORM TECH CS 457667103 200,000 INSUA 5,116 INVESTMENT CO. OF CH FS 045933009 300,000 INVCHINA 923 INFOUSA INC CS 456818301 3,147,000 IUSA 21,840 JABIL CIRCUIT CS 466313103 338,000 JBL 7,679 JDA SOFTWARE GROUP CS 46612K108 2,723,000 JDAS 60,859 J D EDWARDS & CO CS 281667105 4,496,000 JDEC 73,959 JONES APPAREL CS 480074103 1,767,480 JNY 58,627 KHANTY MANSIYSK CB 649992922 1,500,000 KHANTY 1,500 FIRST YEARS INC CS 337610109 641,000 KIDD 8,205 KHANTY MANSISYK ORD FS 649991916 8,167 KMOC 4,190 KRONOS INC CS 501052104 1,549,850 KRON 74,982 LAKES GAMING INC CS 51206P109 113,000 LACO 701 LASALLE HOTEL PROP CS 517942108 1,444,000 LHO 16,953 LIBERTY MEDIA CORP CS 530718105 3,759,848 LMC.A 52,638 LINCARE HOLDINGS INC CS 532791100 2,400,800 LNCR 68,783 LOCUS CS 54099C979 2,500,000 LOCUS 10,000 LABOR READY CS 505401208 3,015,000 LRW 15,407 LEUCADIA NATIONAL CO CS 527288104 1,095,000 LUK 31,613 MACERICH CO. CS 554382101 625,000 MAC 16,625 MAPICS INC CS 564910107 2,463,600 MAPX 15,176 MAXYGEN CS 577776107 365,000 MAXY 6,413 METABOLEX SERIES F P PS 591014998 363,636 MBOLEX 582 MEDIACOM COMM CS 58446K105 2,401,000 MCCC 43,842 MILLENNIUM CELL CS 60038B105 800,000 MCEL 4,176 MONARCH CASINO AND R CS 609027107 752,700 MCRI 6,022 MICROS SYSTEMS CS 594901100 2,187,500 MCRS 54,906 MCSI INC. CS 55270M108 225,000 MCSI 5,276 MDSI-MOBILE DATA SOL FS 55268N100 227,600 MDSI 799 MEDQUIST INC. CS 584949101 215,000 MEDQ 6,289 MAGELLAN HEALTH SERV CS 559079108 1,448,800 MGL 9,200 MANUFACTURED HOME CO CS 564682102 787,300 MHC 24,572 MOHAWK INDUSTRIES CS 608190104 525,000 MHK 28,812 MICRODOSE TECH CS 596999995 326,000 MICRODOS 326 MIH LTD FS G6116R101 854,050 MIHL 6,235 MICHAELS STORES CS 594087108 980,000 MIK 32,291 MOBILE MINI INC CS 60740F105 650,000 MINI 25,428 MARKEL CORP CS 570535104 212,788 MKL 38,227 HERMAN MILLER CS 600544100 1,127,000 MLHR 26,665 MULTEX.COM INC. CS 625367107 3,600,000 MLTX 16,200 MONACO COACH CS 60886R103 1,344,200 MNC 29,398 MERCANTILE BANK CS 587405101 83,000 MRBK 3,572 MRO SOFTWARE CS 55347W105 758,000 MROI 17,722 MINE SAFETY APP. CS 602720104 132,600 MSA 5,324 MICROSEMI CORP CS 595137100 315,100 MSCC 9,358 MARTHA STEWART CS 573083102 855,000 MSO 14,065 METTLER TOLEDO INT'L CS 592688105 379,000 MTD 19,651 VAIL RESORTS INC. CS 91879Q109 1,010,000 MTN 17,907 MYRIAD GENETICS CS 62855J104 245,000 MYGN 12,897 NAUTICA CS 639089101 1,084,000 NAUT 13,864 NAVIGANT CONSULTING CS 63935N107 3,190,000 NCI 17,545 NDC HEALTH CORP CS 639480102 2,850,800 NDC 98,495 NEUBERGER BERMAN CS 641234109 1,375,899 NEU 60,402 NEW HORIZONS WW CS 645526104 668,000 NEWH 7,682 NTL INC FS 629407107 1,000,000 NLI 940 NOVELL INC CS 670006105 8,651,000 NOVL 39,708 NOVOSTE CORP CS 67010C100 2,318,600 NOVT 20,265 NEOPLANET INC SERIES PS 640994935 250,000 NPLANET 125 NEO PLANET PS 64099B921 53,376 NPLANETB 27 NPS PHARM CS 62936P103 516,000 NPSP 19,763 NEWPARK RESOURCE CS 651718504 5,452,000 NR 43,071 NORTHWEST PIPE CO. CS 667746101 271,000 NWPX 4,431 ORTHOFIX INTL NV FS N6748L102 810,700 OFIX 30,079 OWENS & MINOR CS 690732102 780,000 OMI 14,430 ORION POWER CS 686286105 580,000 ORN 15,138 PEOPLES BANK BRIDGEP CS 710198102 1,364,500 PBCT 29,009 PROTEIN DESIGN LABS CS 74369L103 290,000 PDLI 9,550 PERLEGEN SCIENCES PS 714999992 1,249,999 PERLEGEN 4,500 PARADIGM GEO FS 69900J104 430,000 PGEO 1,888 PHILADELPHIA CONS CS 717528103 871,800 PHLY 32,876 PIONEER STANDARD ELE CS 723877106 995,600 PIOS 12,644 PIER ONE IMPORTS CS 720279108 1,338,000 PIR 23,201 SIX FLAGS INC CS 83001P109 1,230,000 PKS 18,917 PROTECTIVE LIFE CS 743674103 995,000 PL 28,785 POMEROY COMPUTER CS 731822102 750,000 PMRY 10,125 PEMSTAR INC CS 706552106 954,000 PMTR 11,448 PINNACLE ENTERTAIN CS 723456109 790,000 PNK 4,764 PROQUEST CO CS 74346P102 240,000 PQE 8,138 PRIMEDIA INC CS 74157K101 1,981,000 PRM 8,617 REPUBLIC BANCORP CS 760282103 864,890 RBNC 11,979 RCM TECHOLOGIES CS 749360400 2,169,000 RCMT 10,194 PRINCETON REVIEW CS 742352107 610,000 REVU 4,667 RLI CORP CS 749607107 446,000 RLI 20,070 RAINBOW TECH CS 750862104 200,000 RNBO 1,480 GIBRALTAR STEEL CORP CS 37476F103 1,065,600 ROCK 18,669 RSA SECURITY INC CS 749719100 730,000 RSAS 12,746 ROUSE CO CS 779273101 1,104,000 RSE 32,336 RIVERDEEP CS 76870Q109 40,000 RVDP 672 SALEM COMMUNICATIONS CS 794093104 1,809,000 SALM 41,607 SECURITY CAPITAL EUR CS 99HWQS906 1,062,498 SCGLOBAL 19,125 SYNCOR CS 87157J106 795,100 SCOR 22,772 SYSTEMS AND COMPUTER CS 871873105 2,130,000 SCTC 22,024 SIDERCA ADR FS 825863103 481,000 SDT 6,975 SEACHANGE INTL CS 811699107 480,000 SEAC 16,378 SPARTECH CS 847220209 1,569,200 SEH 32,247 SEI INVESTMENTS CO CS 784117103 3,042,000 SEIC 137,225 SEROLOGICALS CORPORA CS 817523103 908,900 SERO 19,541 STANCORP FINANCIAL CS 852891100 300,000 SFG 14,175 SHUFFLE MASTER INC CS 825549108 1,680,000 SHFL 26,326 STEVEN MADDEN CS 556269108 1,061,900 SHOO 14,941 SKECHERS USA CS 830566105 868,800 SKX 12,702 SL GREEN REALTY CS 78440X101 1,041,000 SLG 31,969 SOLECTRON CORP CS 834182107 195,000 SLR 2,200 SCOTTS CO. CS 810186106 220,000 SMG 10,472 SYMYX TECHNOLOGIES CS 87155S108 347,000 SMMX 7,370 SUMMIT PROPERTIES CS 866239106 540,000 SMT 13,511 SYNAPTIC PHARM CS 87156R109 45,000 SNAP 271 SPSS INC CS 78462K102 380,000 SPSS 6,745 STERIS CORP CS 859152100 1,470,500 STE 26,866 STARTEC GLOBAL COMM CS 85569E103 498,000 STGC 20 STATION CASINOS CS 857689103 2,894,050 STN 32,384 STEINER LEISURE CS P8744Y102 1,214,900 STNR 25,817 STRATEGIC HOTEL BOND CV 68599Q9A6 2,500,000 STRAT.B 2,250 STRATEGIC HOTEL CAP CS 862723103 208,333 STRAT.C 1,250 SUPERIOR FINANCIAL CS 868161100 50,000 SUFI 783 SYBASE CS 871130100 130,000 SY 2,049 TCF FINANCIAL CORP CS 872275102 1,253,000 TCB 60,119 TELEPHONE AND DATA S CS 879433100 688,000 TDS 61,748 TECHNE CORPORATION CS 878377100 101,000 TECH 3,722 TEKTRONIX CS 879131100 402,000 TEK 10,364 THQ INQ CS 872443403 825,000 THQI 39,988 TIDEL TECHNOLOGIES 6 CV 8863689A9 3,000,000 TIDEL6% 600 TIPPERARY CORP CS 888002300 1,996,712 TPY 3,235 TEXAS REGIONAL BANKS CS 882673106 902,000 TRBS 34,141 SPEEDWAY MOTOR CS 847788106 295,000 TRK 7,458 TESORO PETROLEUM COR CS 881609101 2,261,700 TSO 29,651 TETRA TECH INC CS 88162G103 679,000 TTEK 13,519 TIME WARNER TELECM CS 887319101 400,000 TWTC 7,076 UNIVERSAL ELECTRONIC CS 913483103 283,000 UEIC 4,870 UNITED MICROELEC ADR FS 910873207 69,720 UMC 669 UMPQUA CORP CS 904214103 107,500 UMPQ 1,451 UNISOURCE CS 909205106 1,511,400 UNS 27,492 ULTRA PETROLEUM CS 903914109 1,882,200 UPL 11,463 UTI WORLDWIDE CS G87210103 360,000 UTIW 7,045 VARIAN INC. CS 922206107 281,300 VARI 9,125 VITALSTREAM C PC 927994913 580,000 VITALSTC 290 WACKENHUT CORP CL B CS 929794303 2,567,400 WAK.B 48,883 WATERS CORP CS 941848103 92,000 WAT 3,565 WHOLE FOODS CS 966837106 651,000 WFMI 28,358 WORLD ACCEPTANCE COR CS 981419104 3,041,200 WRLD 22,201 USX US STEEL CO CS 90337T101 400,000 X 7,244 EXCEL TECH CS 30067T103 415,000 XLTC 7,221 XTO ENERGY INC CS 98385X106 6,697,100 XTO 117,199 YOUNG BROADCASTING A CS 987434107 300,000 YBTVA 5,385 ZEBRA TECH CS 989207105 194,400 ZBRA 10,791 ZALE CORP CS 988858106 660,000 ZLC 27,641 ZENITH NATIONAL INSU CS 989390109 2,380 ZNT 66 5,935,635