OMB APPROVAL -------------------------- OMB Number: 3235-0006 Expires: October 31, 2003 Estimated average burden hours per response....23.3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2007 --------------------------- 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: Piper Jaffray Companies ------------------------------------------ Address: 800 Nicollet Mall ------------------------------------------ Suite 800 ------------------------------------------ Minneapolis, MN 55402-7020 ------------------------------------------ Form 13F File Number: 28-10776 ------------- 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: Greg Meyer -------------------------------------------- Title: Controller -------------------------------------------- Phone: 612-303-6000 -------------------------------------------- Signature, Place, and Date of Signing: Greg Meyer Minneapolis, MN 08/07/07 --------------------- -------------------------------------- ------------- [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).) FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 ----------------------- Form 13F Information Table Entry Total: 95 ----------------------- Form 13F Information Table Value Total: $ 50,060 ----------------------- (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. NONE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 TITLE OF VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER NAME OF ISSUER CLASS CUSIP (X$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ------------------------------------------------------------------------------------------------------------------------------------ ACTIVISION INC NEW COM NEW 004930202 3 153 SH SOLE 153 0 0 ADVANCED ANALOGIC TECHNOL COM 00752J108 14 1,396 SH SOLE 1,396 0 0 ADVANCED MEDICAL OPTICS I NOTE 3.250% 8/0 00763MAK4 627 700,000 PRN SOLE 700,000 0 0 ALEXION PHARMACEUTICALS I NOTE 1.375% 2/0 015351AF6 4,612 2,990,000 PRN SOLE 2,990,000 0 0 ALLIANCE IMAGING INC COM NEW 018606202 72 7,700 SH SOLE 7,700 0 0 AMERICAN MED SYS HLDGS IN NOTE 3.250% 7/0 02744MAA6 368 329,000 PRN SOLE 329,000 0 0 ANDERSONS INC COM 034164103 5 100 SH SOLE 100 0 0 BEBE STORES INC COM 075571109 1 36 SH SOLE 36 0 0 BEST BUY INC COM 086516101 1,633 35,000 SH SOLE 35,000 0 0 BJS RESTAURANTS INC COM 09180C106 2 100 SH SOLE 100 0 0 BLOCKBUSTER INC CL A 093679108 254 59,000 SH SOLE 59,000 0 0 BON-TON STORES INC COM 09776J101 3 77 SH SOLE 77 0 0 BORLAND SOFTWARE CORP COM 099849101 11 1,797 SH SOLE 1,797 0 0 BUFFALO WILD WINGS INC COM 119848109 4 100 SH SOLE 100 0 0 BUILDERS FIRSTSOURCE INC COM 12008R107 64 4,000 SH SOLE 4,000 0 0 CAI INTERNATIONAL INC COM 12477X106 4,528 346,420 SH SOLE 346,420 0 0 CALLIDUS SOFTWARE INC COM 13123E500 1 160 SH SOLE 160 0 0 CANADIAN SOLAR INC COM 136635109 90 9,562 SH SOLE 9,562 0 0 CARNIVAL CORP DBCV 2.000% 4/1 143658AN2 973 771,000 PRN SOLE 771,000 0 0 CEPHALON INC COM 156708109 31 390 SH SOLE 390 0 0 CERADYNE INC NOTE 2.875% 12/1 156710AA3 1,394 1,000,000 PRN SOLE 1,000,000 0 0 CHILDRENS PL RETAIL STORE COM 168905107 10 200 SH SOLE 200 0 0 CISCO SYS INC COM 17275R102 1,393 50,000 SH CALL SOLE 50,000 0 0 CITI TRENDS INC COM 17306X102 6 165 SH SOLE 165 0 0 CONMED CORP NOTE 2.500% 11/1 207410AD3 981 1,000,000 PRN SOLE 1,000,000 0 0 COST PLUS INC CALIF COM 221485105 2 200 SH SOLE 200 0 0 COUNTRYWIDE FINANCIAL COR COM 222372104 105 2,900 SH SOLE 2,900 0 0 CRA INTL INC COM 12618T105 5 100 SH SOLE 100 0 0 CROCS INC COM 227046109 323 7,500 SH SOLE 7,500 0 0 CUTERA INC COM 232109108 5 206 SH SOLE 206 0 0 DEXCOM INC COM 252131107 12 1,502 SH SOLE 1,502 0 0 DOLLAR FINL CORP COM 256664103 75 2,634 SH SOLE 2,634 0 0 DTS INC COM 23335C101 114 5,222 SH SOLE 5,222 0 0 ELECTRONIC DATA SYS NEW COM 285661104 6 200 SH SOLE 200 0 0 EV3 INC COM 26928A200 88 5,200 SH SOLE 5,200 0 0 EVERGREEN SOLAR INC COM 30033R108 140 15,000 SH SOLE 15,000 0 0 EXELIXIS INC COM 30161Q104 1 100 SH SOLE 100 0 0 FOUNDRY NETWORKS INC COM 35063R100 583 35,000 SH SOLE 35,000 0 0 GENERAL MTRS CORP COM 370442105 4 100 SH SOLE 100 0 0 GENOMIC HEALTH INC COM 37244C101 2 100 SH SOLE 100 0 0 GUITAR CTR MGMT INC COM 402040109 1,495 25,000 SH SOLE 25,000 0 0 HALLMARK FINL SVCS INC COM NEW 40624Q203 31 2,521 SH SOLE 2,521 0 0 HANSEN MEDICAL INC COM 411307101 6 300 SH SOLE 300 0 0 HIBBETT SPORTS INC COM 428567101 3 100 SH SOLE 100 0 0 ILLUMINA INC COM 452327109 743 18,300 SH SOLE 18,300 0 0 INFORMATICA CORP NOTE 3.000% 3/1 45666QAB8 756 750,000 PRN SOLE 750,000 0 0 KINETIC CONCEPTS INC COM NEW 49460W208 26 500 SH SOLE 500 0 0 LEVEL 3 COMMUNICATIONS IN COM 52729N100 293 50,000 SH PUT SOLE 50,000 0 0 LEVEL 3 COMMUNICATIONS IN NOTE 6.000% 9/1 52729NAG5 1,649 1,700,000 PRN SOLE 1,700,000 0 0 LIFEPOINT HOSPITALS INC COM 53219L109 1,907 49,300 SH SOLE 49,300 0 0 MATHSTAR INC COM 576801203 13 8,318 SH SOLE 8,318 0 0 MAXTOR CORP NOTE 2.375% 8/1 577729AE6 3,444 2,500,000 PRN SOLE 2,500,000 0 0 MEDAREX INC COM 583916101 20 1,367 SH SOLE 1,367 0 0 MEDICINES CO COM 584688105 67 3,800 SH SOLE 3,800 0 0 METABOLIX INC COM 591018809 125 5,000 SH SOLE 5,000 0 0 MICREL INC COM 594793101 19 1,480 SH SOLE 1,480 0 0 MOVE INC COM COM 62458M108 183 40,898 SH SOLE 40,898 0 0 MYLAN LABS INC NOTE 1.250% 3/1 628530AG2 2,425 2,500,000 PRN SOLE 2,500,000 0 0 NEKTAR THERAPEUTICS COM 640268108 2 258 SH SOLE 258 0 0 NEW YORK & CO INC COM 649295102 712 65,000 SH SOLE 65,000 0 0 NMS COMMUNICATIONS CORP COM 629248105 103 60,000 SH SOLE 60,000 0 0 ON SEMICONDUCTOR CORP NOTE 4/1 682189AE5 3,022 2,500,000 PRN SOLE 2,500,000 0 0 OPTIMER PHARMACEUTICALS I COM 68401H104 180 20,000 SH SOLE 20,000 0 0 OSCIENT PHARMACEUTICALS C NOTE 3.500% 4/1 68812RAC9 17 23,000 PRN SOLE 23,000 0 0 PATRIOT CAPITAL FUNDING I COM 70335Y104 42 2,855 SH SOLE 2,855 0 0 PDL BIOPHARMA INC COM 69329Y104 123 5,300 SH SOLE 5,300 0 0 PDL BIOPHARMA INC COM 69329Y104 466 20,000 SH PUT SOLE 20,000 0 0 PETROHAWK ENERGY CORP COM 716495106 167 10,500 SH SOLE 10,500 0 0 POOL CORPORATION COM 73278L105 9 225 SH SOLE 225 0 0 PROTEIN DESIGN LABS INC NOTE 2.750% 8/1 74369LAD5 124 100,000 PRN SOLE 100,000 0 0 QUEST DIAGNOSTICS INC COM 74834L100 36 700 SH SOLE 700 0 0 RF MICRODEVICES INC NOTE 1.500% 7/0 749941AE0 1,978 2,000,000 PRN SOLE 2,000,000 0 0 RLI CORP COM 749607107 6 100 SH SOLE 100 0 0 ROCKY BRANDS INC COM 774515100 7 376 SH SOLE 376 0 0 SALIX PHARMACEUTICALS INC COM 795435106 137 11,143 SH SOLE 11,143 0 0 SEABRIGHT INSURANCE HLDGS COM 811656107 39 2,245 SH SOLE 2,245 0 0 SELECT COMFORT CORP COM 81616X103 18 1,129 SH SOLE 1,129 0 0 SHANDA INTERACTIVE ENTMT SPONSORED ADR 81941Q203 10 333 SH SOLE 333 0 0 SINA CORP ORD G81477104 42 1,000 SH SOLE 1,000 0 0 SIRIUS SATELLITE RADIO IN COM 82966U103 2 600 SH SOLE 600 0 0 SOLARFUN POWER HOLDINGS C SPONSORED ADR 83415U108 7 657 SH SOLE 657 0 0 SYBASE INC COM 871130100 134 5,600 SH SOLE 5,600 0 0 SYMANTEC CORP NOTE 0.750% 6/1 871503AD0 3,958 3,397,000 PRN SOLE 3,397,000 0 0 SYNAPTICS INC NOTE 0.750% 12/0 87157DAB5 1,453 1,500,000 PRN SOLE 1,500,000 0 0 SYSCO CORP COM 871829107 20 600 SH SOLE 600 0 0 TEXAS ROADHOUSE INC CL A 882681109 48 3,768 SH SOLE 3,768 0 0 THQ INC COM NEW 872443403 3 100 SH SOLE 100 0 0 TIBCO SOFTWARE INC COM 88632Q103 1 100 SH SOLE 100 0 0 TRIZETTO GROUP INC NOTE 2.750%10/0 896882AB3 2,991 2,500,000 PRN SOLE 2,500,000 0 0 TUESDAY MORNING CORP COM NEW 899035505 5 400 SH SOLE 400 0 0 VISUAL SCIENCES INC COM 92845H108 408 26,352 SH SOLE 26,352 0 0 WAVECOM S A SPONSORED ADR 943531103 21 600 SH SOLE 600 0 0 WHOLE FOODS MKT INC COM 966837106 4 100 SH SOLE 100 0 0 WILSON GREATBATCH TECHNOL SDCV 2.250% 6/1 972232AB8 219 200,000 PRN SOLE 200,000 0 0 ZYMOGENETICS INC COM 98985T109 1,796 122,900 SH SOLE 122,900 0 0