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: 9/30/2010 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: Ridgeback Capital Investments L.P. Address: 430 Park Avenue, 12th Floor New York, New York 10022 Form 13F File Number: 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: Ridgeback Capital Investments Ltd., as General Partner, by Bud Holman Title: Director Phone: (212) 808-7729 Signature, Place, and Date of Signing: /s/ Bud Holman New York, New York 11/15/2010 --------------------------------- --------------------------------- ---------- [Signature] [City, State] [Date] Ridgeback Capital Investments Ltd. is the general partner of Ridgeback Capital Investments L.P. Pursuant to an investment management agreement, Ridgeback Capital Management LP maintains investment and voting power with respect to the securities held or controlled by Ridgeback Capital Investments Ltd. Wayne Holman, an individual, controls Ridgeback Capital Management LP. Ridgeback Capital Management LP, Ridgeback Capital Investments Ltd. and Wayne Holman do not own any securities reported herein directly. 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: 2 Form 13F Information Table Entry Total: 6 Form 13F Information Table Value Total: $ 280,823 -------------- (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. No. Form 13F File Number Name 1 28-12280 Ridgeback Capital Management LP ---- -------------------- ---------------------------------------------------- 2 28-12277 Ridgeback Capital Investments Ltd. ---- -------------------- ----------------------------------------------------
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 ------------------------------- -------------- --------- -------- ---------- --- ---- ---------- -------- ---- ------ ---------- BioMarin Pharmaceutical Inc. Common Stock 09061G101 37,454 1,675,800 SH SOLE 1,2 0 0 1,675,800 Ironwood Pharmaceuticals, Inc. Common Stock 46333X108 105,763 10,389,262 SH SOLE 1,2 0 0 10,389,262 King Pharmaceuticals Inc. Common Stock 495582108 33,964 3,410,000 SH SOLE 1, 2 0 0 3,410,000 Medicines Co. Common Stock 584688105 72,065 5,075,000 SH SOLE 1,2 0 0 5,075,000 United Therapeutics Corporation Common Stock 91307C102 28,475 508,400 SH SOLE 1,2 0 0 508,400 YM BioSciences Inc. Common Stock 984238105 3,102 1,824,570 SH SOLE 1, 2 0 0 1,824,570