-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, M01OtB8dqu4OWAn/sqfKrKD7nHVimPCfMnjQ41UaTW01W+fRwSN6OKmgJiXtlgFp AckO+K0U5KvnfgMiJ0envw== 0001140361-08-019313.txt : 20080814 0001140361-08-019313.hdr.sgml : 20080814 20080814105014 ACCESSION NUMBER: 0001140361-08-019313 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20080630 FILED AS OF DATE: 20080814 DATE AS OF CHANGE: 20080814 EFFECTIVENESS DATE: 20080814 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Palo Alto Investors, LLC CENTRAL INDEX KEY: 0001306923 IRS NUMBER: 770558164 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-11013 FILM NUMBER: 081016077 BUSINESS ADDRESS: STREET 1: 470 UNIVERSITY AVE CITY: PALO ALTO STATE: CA ZIP: 94301 BUSINESS PHONE: 650-325-0772 MAIL ADDRESS: STREET 1: 470 UNIVERSITY AVE CITY: PALO ALTO STATE: CA ZIP: 94301 13F-HR 1 form13f.txt PALO ALTO INVESTORS 13F-HR 6-30-2008 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, 2008 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: Palo Alto Investors, LLC ----------------------------------------------------- Address: 470 University Avenue Palo Alto, CA 94301 ----------------------------------------------------- Form 13F File Number: 28-10266 -------- 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: William L. Edwards ------------------------- Title: President of Palo Investors, Manager ------------------------- Phone: (650) 325-0772 ------------------------- Signature, Place, and Date of Signing: /s/ William L. Edwards Palo Alto, CA 8/11/2008 - ---------------------- ------------- ---------- [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.] 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: 75 ----------- Form 13F Information Table Value Total: $1,353,823 ----------- (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and 13F file number(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.] NONE
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 - ------------------------------ ---------------- --------- -------- -------- --- ---- ------- -------- -------- ------ ---- Advanced Medical Optics, Inc. COM 00763M108 11957 638060 SH SOLE 638060 0 0 Aeterna Zentaris COM 007975204 415 395000 SH SOLE 395000 0 0 Airvana Inc. COM 00950V101 3625 676243 SH SOLE 676243 0 0 Akamai Technologies, Inc. COM 00971T101 11102 319124 SH SOLE 319124 0 0 Align Technology, Inc. COM 016255101 13797 1315275 SH SOLE 1315275 0 0 Allis-Chalmers Energy Inc. COM 019645506 62754 3525517 SH SOLE 3525517 0 0 Altus Pharmaceuticals Inc COM 02216N105 394 88560 SH SOLE 88560 0 0 AMAG Pharmaceuticals, Inc. COM 00163U106 56998 1671487 SH SOLE 1671487 0 0 Amazon.com, Inc. COM 023135106 616 8400 SH SOLE 8400 0 0 Amicus Therapeutics, Inc. COM 03152W109 26274 2460142 SH SOLE 2460142 0 0 Arbios Systems Inc. COM 03875V107 46 461539 SH SOLE 461539 0 0 Arena Resources COM 040049108 21128 400000 SH SOLE 400000 0 0 Auxilium Pharmaceuticals, Inc. COM 05334D107 88859 2643041 SH SOLE 2643041 0 0 Biomarin Pharmaceuticals, Inc COM 09061G101 444 15325 SH SOLE 15325 0 0 Biomimetic Therapeutics, Inc. COM 09064X101 14184 1189946 SH SOLE 1189946 0 0 BroadVision, Inc. COM 111412607 17086 17434659 SH SOLE 17434659 0 0 Cache, Inc COM 127150308 15436 1442600 SH SOLE 1442600 0 0 Canadian Superior Energy Inc. COM 136644101 50466 10923500 SH SOLE 10923500 0 0 Ceragon Networks Ltd. COM M22013102 10236 1322500 SH SOLE 1322500 0 0 Cisco Systems, Inc. COM 17275R102 14791 635900 SH SOLE 635900 0 0 Cogo Group Inc. COM 192448108 1367 150000 SH SOLE 150000 0 0 Conceptus Inc COM 206016107 1849 100000 SH SOLE 100000 0 0 Cubist Pharma COM 229678107 4523 253220 SH SOLE 253220 0 0 Cyberonics, Inc. COM 23251P102 74669 3440947 SH SOLE 3440947 0 0 Cypress Bioscience Inc. COM 232674507 4096 569619 SH SOLE 569619 0 0 Digital River, Inc. COM 25388B104 17388 450700 SH SOLE 450700 0 0 Ember Resources Inc. COM 29081X108 4347 2337500 SH SOLE 2337500 0 0 ev3 Inc COM 26928A200 25526 2692595 SH SOLE 2692595 0 0 Evergreen Solar, Inc. COM 30033R108 11628 1200000 SH SOLE 1200000 0 0 F5 Networks, Inc. COM 315616102 10609 373300 SH SOLE 373300 0 0 Gastar Exploration Limited COM 367299104 67234 23263312 SH SOLE 23263312 0 0 Geerlings & Wade, Inc. COM 368473104 364 714665 SH SOLE 714665 0 0 Genomic Health, Inc. COM 37244C101 5049 263675 SH SOLE 263675 0 0 Genzyme Corporation COM 372917104 10196 141843 SH SOLE 141843 0 0 Gigamedia Limited COM Y2711Y104 12287 1029941 SH SOLE 1029941 0 0 Guaranty Bancorp COM 40075T102 5670 1574900 SH SOLE 1574900 0 0 IDM Pharma Inc. COM 449394105 15216 7422409 SH SOLE 7422409 0 0 ImClone Systems Incorporated COM 45245W109 31768 785170 SH SOLE 785170 0 0 Inspire Pharma COM 457733103 1779 415600 SH SOLE 415600 0 0 Limelight Networks, Inc. COM 53261M104 21712 5683673 SH SOLE 5683673 0 0 Martek Biosciences Corp COM 572901106 607 18000 SH SOLE 18000 0 0 Medicis Pharmaceutical Corp. COM 584690309 23972 1153630 SH SOLE 1153630 0 0 Medivation, Inc. COM 58501N101 20940 1770114 SH SOLE 1770114 0 0 Merck & Co., Inc COM 589331107 385 10225 SH SOLE 10225 0 0 Momenta Pharmaceuticals, Inc. COM 60877T100 14593 1186383 SH SOLE 1186383 0 0 Northern Oil & Gas COM 665531109 4316 350000 SH SOLE 350000 0 0 NuVasive Inc. COM 670704105 5592 125215 SH SOLE 125215 0 0 NVIDIA Corporation COM 67066G104 7076 378000 SH SOLE 378000 0 0 NxStage Medical, Inc. COM 67072V103 5586 1454585 SH SOLE 1454585 0 0 Onyx Pharmaceuticals, Inc. COM 683399109 93674 2631280 SH SOLE 2631280 0 0 Peets Coffee & Tea, Inc COM 705560100 33323 1681275 SH SOLE 1681275 0 0 Petrohawk Energy COM 716495106 10420 225000 SH SOLE 225000 0 0 Petroquest Energy Inc. COM 716748108 10760 400000 SH SOLE 400000 0 0 Plains Exploration & COM 726505100 6567 90000 SH SOLE 90000 0 0 Production Company Portfolio Recovery Associates, COM 73640Q105 15268 407145 SH SOLE 407145 0 0 Inc. Questcor Pharmaceuticals COM 74835Y101 4186 902122 SH SOLE 902122 0 0 Quicksilver Resources COM 74837R104 4830 125000 SH SOLE 125000 0 0 Savient Pharmaceuticals, Inc. COM 80517Q100 116931 4621792 SH SOLE 4621792 0 0 Spreadtrum Communications COM 849415203 3928 787108 SH SOLE 787108 0 0 St. Jude Medical, Inc. COM 790849103 4898 119805 SH SOLE 119805 0 0 Superior Energy Services Inc COM 868157108 5514 100000 SH SOLE 100000 0 0 T-3 Energy Services, Inc. COM 87306E107 7947 100000 SH SOLE 100000 0 0 Tesco Corporation COM 88157K101 6390 200000 SH SOLE 200000 0 0 The9 Limited COM 88337K104 28913 1280450 SH SOLE 1280450 0 0 Toreador Resources Corporation COM 891050106 16207 1900000 SH SOLE 1900000 0 0 Triangle Petroleum Corporation COM 89600B102 12374 7881350 SH SOLE 7881350 0 0 Unica Corporation COM 904583101 18953 2357364 SH SOLE 2357364 0 0 United Therapeutics Corp COM 91307C102 16861 172495 SH SOLE 172495 0 0 UTS Energy Corporation COM 903396109 5864 1000000 SH SOLE 1000000 0 0 Vanda Pharma COM 921659108 1871 568775 SH SOLE 568775 0 0 Verasun Energy Corporation COM 92336G106 30554 7397976 SH SOLE 7397976 0 0 ViroPharma Incorporated COM 928241108 26284 2376466 SH SOLE 2376466 0 0 Western Alliance Bancorp COM 957638109 3950 509000 SH SOLE 509000 0 0 Whole Foods Market, Inc. COM 966837106 10331 436100 SH SOLE 436100 0 0 Xtreme Coil Drilling Corp. COM 98417D102 26073 2650100 SH SOLE 2650100 0 0
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