13F-HR 1 v041076_13fhr.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2006 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: Luke P. La Valle, Jr. Address: American Capital Management, Inc. 50 Broad Street - Suite 1609, New York, NY 10004 Form 13F File Number: 028-11313 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: Gayle P. De Santis Title: Office Manager Phone: 212-344-3300 Signature, Place, and Date of Signing: /s/ Gayle P. De Santis New York, NY April 21, 2006 ---------------------- ------------- ----------------- [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).) List of Other Managers Reporting for this Manager: [If there are no entries in this list, omit this section.] Form 13F File Number Name 28-______________ _______________________________ [Repeat as necessary. Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 80 Form 13F Information Table Value Total: $ 243327 ----------- (thousands) List of Other Included Managers: Provide a numbered list of the names(s) and Form 13F file numbers(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] No. Form 13F File Number Name ______ 28-______________________ ______________________________ [Repeat as necessary.] FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- Mercury Interactive Cv Sub Deb CONV 589405AB5 3072 3131000 PRN SOLE 3131000 Sanmina (SCI) Cv Sub Deb CONV 783890AF3 813 840000 PRN SOLE 840000 Skyworks Solutions Cv Sub Deb CONV 83088MAB8 1025 1026000 PRN SOLE 1026000 Valeant Pharmaceuticals Cv Sub CONV 91911XAD6 5044 5900000 PRN SOLE 5900000 Veeco Instruments Cv Sub Deb CONV 922417AB6 5853 6026000 PRN SOLE 6026000 A T & T COM 001957109 257 9500 SH SOLE 9500 AP Pharma COM 00202J104 140 70000 SH SOLE 70000 Acxiom COM 005125109 3289 127300 SH SOLE 127300 Albany Molecular Research COM 012423109 2424 238600 SH SOLE 238600 AmSurg COM 03232P405 1495 65910 SH SOLE 65910 Artesyn Technologies COM 043127109 1426 130215 SH SOLE 130215 ArthroCare COM 043136100 1545 32300 SH SOLE 32300 Avid Technology COM 05367P100 1008 23190 SH SOLE 23190 BISYS Group COM 055472104 6484 481038 SH SOLE 481038 Baldor Electric COM 057741100 10158 299905 SH SOLE 299905 Biomet COM 090613100 5003 140840 SH SOLE 140840 Brady COM 104674106 749 20000 SH SOLE 20000 Buckeye Partners LP Unit COM 118230101 287 6720 SH SOLE 6720 CYTYC COM 232946103 4531 160775 SH SOLE 160775 Celgene COM 151020104 1459 33000 SH SOLE 33000 Charles River Labs COM 159864107 1913 39030 SH SOLE 39030 Cognex COM 192422103 593 20000 SH SOLE 20000 Computer Programs and Systems COM 205306103 1000 20000 SH SOLE 20000 Digital River COM 25388b104 1617 37075 SH SOLE 37075 Dionex COM 254546104 6979 113510 SH SOLE 113510 Energy Conversion COM 292659109 738 15000 SH SOLE 15000 ExxonMobil COM 30231G102 399 6550 SH SOLE 6550 Factset Research System COM 303075105 5877 132505 SH SOLE 132505 First Advantage Corp. COM 31845F100 244 10100 SH SOLE 10100 Forrester Research COM 346563109 6791 304255 SH SOLE 304255 Fuelcell Energy COM 35952H106 573 50000 SH SOLE 50000 Genzyme COM 372917104 2426 36092 SH SOLE 36092 Gerber Scientific COM 373730100 351 33900 SH SOLE 33900 Haemonetics COM 405024100 12647 249100 SH SOLE 249100 Healthways COM 422245100 443 8700 SH SOLE 8700 Hecla Mining COM 422704106 165 25000 SH SOLE 25000 Huron Consulting Group COM 447462102 1332 43990 SH SOLE 43990 ICON PLC ADR COM 45103T107 4899 100195 SH SOLE 100195 IDEXX Laboratories COM 45168D104 12516 144930 SH SOLE 144930 ITRON COM 465741106 5357 89500 SH SOLE 89500 Impath Liquidating TR Cl A COM 45256P100 270 140000 SH SOLE 140000 Intermagnetics General COM 458771102 1503 59985 SH SOLE 59985 Invitrogen COM 46185r100 295 4200 SH SOLE 4200 Jack Henry & Associates COM 426281101 2641 115500 SH SOLE 115500 Johnson & Johnson COM 478160104 5559 93866 SH SOLE 93866 KV Pharmaceutical Cl A COM 482740206 6955 288337 SH SOLE 288337 Kaydon COM 486587108 2127 52700 SH SOLE 52700 Keystone Automotive COM 49338N109 17443 413255 SH SOLE 413255 Manhattan Associates COM 562750109 8850 402280 SH SOLE 402280 MedQuist COM 584949101 1450 107000 SH SOLE 107000 Medicis Pharmaceutical COM 584690309 6508 199625 SH SOLE 199625 Medimmune COM 584699102 218 5950 SH SOLE 5950 Mentor COM 587188103 2265 50000 SH SOLE 50000 Mercury Interactive COM 589405109 2627 75500 SH SOLE 75500 Merit Med Sys COM 589889104 1657 138000 SH SOLE 138000 Microtek Medical Holdings COM 59515B109 2667 757700 SH SOLE 757700 Mirant COM 604675R10 339 13550 SH SOLE 13550 Mittal Steel COM 60684P101 302 8000 SH SOLE 8000 O'Reilly Automotive COM 686091109 6520 178340 SH SOLE 178340 Orthofix COM N6748L102 3674 92270 SH SOLE 92270 Pharmaceutical Prod Dvlpt COM 717124101 11567 334200 SH SOLE 334200 Quaker Chemical COM 747316107 3062 140800 SH SOLE 140800 RSA Security COM 749719100 897 50000 SH SOLE 50000 SEI Corp COM 784117103 6485 160000 SH SOLE 160000 Sanmina-SCI COM 800907107 1437 350407 SH SOLE 350407 Sapiens Int'l COM N7716A102 68 50000 SH SOLE 50000 Seitel COM 816074405 3279 1024839 SH SOLE 1024839 Skyworks Solutions COM 020753109 1570 231550 SH SOLE 231550 Spacehab COM 846243103 455 500000 SH SOLE 500000 Stem Cell Innovations COM 85857B100 112 225000 SH SOLE 225000 Symbol Technology COM 871508107 6819 644526 SH SOLE 644526 Therma-Wave COM 88343A108 307 189282 SH SOLE 189282 Titan Pharmaceuticals COM 888314101 505 150000 SH SOLE 150000 UQM Technologies COM 903213106 248 55300 SH SOLE 55300 Valeant Pharmaceuticals Int'l COM 91911x104 6591 415817 SH SOLE 415817 Veeco Instruments COM 922417100 860 36850 SH SOLE 36850 VistaCare COM 92839Y109 1230 79350 SH SOLE 79350 Zebra Technologies COM 989207105 395 8830 SH SOLE 8830 Information Resources Continge WT 45676E107 204 314000 SH SOLE 314000 Mirant WT Ser A 01/03/2011 WT 60467R118 444 43512 SH SOLE 43512