-----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, AkBXo3kqPrZJanGwxcvZHuZg15znKc/EJmhHnpyWT+MNvEPJ2oOeMkPBi/hw5Vgm 0v0fgpAVZY2Rwk+kxtoz9w== 0001140361-09-018884.txt : 20090814 0001140361-09-018884.hdr.sgml : 20090814 20090813175316 ACCESSION NUMBER: 0001140361-09-018884 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20090630 FILED AS OF DATE: 20090814 DATE AS OF CHANGE: 20090813 EFFECTIVENESS DATE: 20090814 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: 091011617 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 form13fhr.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: 6/30/2009 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. Persons Signing this Report on Behalf of Reporting Manager: Name: Mark Shamia Title: Chief Operating Officer Phone: (650) 325-0772 Signature, Place, and Date of Signing: /s/ Mark Shamia Palo Alto, CA 8/5/2009 - --------------------------------- --------------------------------- ---------- [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: Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 59 Form 13F Information Table Value Total: $ 825,343.00 -------------- (In 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. NONE
FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 - ------------------------------------ ----------------- --------- -------- ----------------- ---------- -------- -------------------- VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE - ------------------------------------ ----------------- --------- -------- -------- --- ---- ---------- -------- -------- ------ ---- AMAG Pharmaceuticals, Inc. COM 00163u106 43367 793254 793254 0 0 ARYx Therapeutics COM 043387109 206 50000 50000 0 0 Airvana Inc. COM 00950v101 4990 788343 788343 0 0 Allergan Inc COM 018490102 4589 96440 96440 0 0 Amazon.com, Inc. COM 231351065 9454 113000 113000 0 0 Amicus Therapeutics, Inc. COM 03152W109 34724 3032661 3032661 0 0 ArthroCare Corp COM 043136100 15376 1423707 1423707 0 0 Auxilium Pharmaceuticals, Inc. COM 05334D107 65530 2088286 2088286 0 0 BPZ Resources, Inc. COM 055639108 6694 1368902 1368902 0 0 Biogen IDEC Inc. COM 09062X103 9815 217387 217387 0 0 Biomarin Pharmaceuticals, Inc COM 09061G101 17646 1130408 1130408 0 0 Biomimetic Therapeutics, Inc. COM 09064X101 4189 453308 453308 0 0 BroadVision, Inc. COM 111412607 9411 743945 743945 0 0 Cache, Inc COM 127150308 2952 760800 760800 0 0 Canadian Superior Energy Inc. COM 136644101 10068 15002500 15002500 0 0 Celgene Corp COM 151020104 4605 96268 96268 0 0 Ceragon Networks Ltd. COM M22013102 12445 1877000 1877000 0 0 Chesapeake Energy COM 165167107 3966 200000 200000 0 0 Cubist Pharma COM 229678107 15276 833386 833386 0 0 Cyberonics, Inc. COM 23251P102 63849 3839390 3839390 0 0 Cytokinetics COM 23282W100 1526 539366 539366 0 0 Data Domain COM 23767P109 3592 107600 107600 0 0 Demandtec COM 24802R506 140 15900 15900 0 0 Dyax COM 26746E103 92 43100 43100 0 0 Gastar Exploration Limited COM 367299104 14507 36266612 36266612 0 0 Genoptix COM 37243V100 640 20000 20000 0 0 Genzyme Corporation COM 372917104 5098 91584 91584 0 0 Gigamedia Limited COM Y2711Y104 6332 1076791 1076791 0 0 Guaranty Bancorp COM 40075t102 1526 798900 798900 0 0 Intuitive Surgical Inc. COM 46120e602 6481 39600 39600 0 0 Limelight Networks, Inc. COM 53261M104 24846 5646873 5646873 0 0 Martek Biosciences Corp COM 572901106 331 15644 15644 0 0 Medicis Pharmaceutical Corp. COM 584690309 32775 2008265 2008265 0 0 Medivation, Inc. COM 58501n101 27733 1237531 1237531 0 0 Momenta Pharmaceuticals, Inc. COM 60877T100 11957 993931 993931 0 0 Northern Oil and Gas COM 665531109 15606 2449918 2449918 0 0 NxStage Medical, Inc. COM 67072V103 3322 562977 562977 0 0 Onyx Pharmaceuticals, Inc. COM 683399109 73881 2614320 2614320 0 0 Orthovita COM 68750U102 258 50000 50000 0 0 Plains Exploration & Production COM 726505100 9576 350000 350000 0 0 Company Protalix Biotherapeutics COM 74365A101 995 220148 220148 0 0 Questcor Pharmaceuticals COM 74835Y101 4814 962874 962874 0 0 Rigel Pharmaceuticals Inc COM 766559603 3121 257512 257512 0 0 Riverbed Technology, Inc. COM 768573107 2319 100000 100000 0 0 Savient Pharmaceuticals, Inc. COM 80517Q100 70170 5073741 5073741 0 0 Shire PLC-ADR COM 82481R106 9141 220383 220383 0 0 St. Jude Medical, Inc. COM 790849103 2590 63005 63005 0 0 The9 Limited COM 88337K104 11220 1105466 1105466 0 0 Toreador Resources Corporation COM 891050106 12776 1906800 1906800 0 0 Transcept Pharmaceuticals, Inc. COM 89354M106 312 60283 60283 0 0 Triangle Petroleum Corporation COM 89600B102 2580 14751350 14751350 0 0 Unica Corporation COM 904583101 12691 2315864 2315864 0 0 United Therapeutics Corp COM 91307C102 27519 330242 330242 0 0 Vanda Pharma COM 921659108 13076 1110928 1110928 0 0 ViroPharma Incorporated COM 928241108 25536 4306306 4306306 0 0 Waterfurnace Renewable Energy COM 9415EQ108 10125 428700 428700 0 0 (WFI.CN) ev3 Inc COM 26928A200 19296 1794990 1794990 0 0 Evergreen Solar, Inc. 4% Due NOTE 30033RAC2 14700 34794000 34794000 0 0 7/15/2013
FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 - ------------------------------------ ----------------- --------- -------- ----------------- ---------- -------- -------------------- VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE - ------------------------------------ ----------------- --------- -------- -------- --- ---- ---------- -------- -------- ------ ---- Flotek Industries, Inc. 5.25% Due NOTE 343389AA0 2991 7500000 7500000 0 0 2/15/2028
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