13F-HR 1 d345706d13fhr.txt FORM 13F-HR UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for Calendar Year or Quarter Ended: March 31, 2012 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: BB Biotech AG Address: Vordergasse 3 Schaffhausen Switzerland CH-8200 Form 13F File Number: 28-6964 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: Pascal Schmucki Title: SIGNING AUTHORITY ----------------- Phone: 41 (44) 267 67 00 Signature, Place, and Date of Signing: /s/ Pascal Schmucki -------------------------------------- Schaffhausen, Switzerland, May 2, 2012 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: 3 Form 13F Information Table Entry Total: 20 Form 13F Information Table Value Total: $1,014,110 (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. No. Form 13F File Number Name --- -------------------- ---- 1 28-11193 Biotech Focus N.V. 2 28-11191 Biotech Invest N.V. 3 28-11189 Biotech Target N.V. 2 BB BIOTECH AG FORM 13F INFORMATION TABLE
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ----------------------------- -------- -------- --------- ------------------ ---------- -------- --------------------- VOTING AUTHORITY TITLE OF VALUE SHS OR SH/ PUT/ INVESTMENT OTHER --------------------- NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ----------------------------- -------- --------- -------- --------- --- ---- ---------- -------- --------- ------ ---- Achillion Pharmaceuticals Inc COM 00448Q201 15,130 1,579,340 SH DEFINED 3 1,579,340 NONE NONE Alexion Pharmaceuticals Inc COM 015351109 41,787 450,000 SH DEFINED 2 450,000 NONE NONE Amylin Pharmaceuticals Inc COM 032346108 57,992 2,323,391 SH DEFINED 2 2,323,391 NONE NONE Ariad Pharmaceuticals Inc COM 04033A100 49,591 3,103,331 SH DEFINED 3 3,103,331 NONE NONE Biomarin Pharmaceutical Inc COM 09061G101 33,412 975,545 SH DEFINED 2 975,545 NONE NONE Celgene Corp COM 151020104 201,552 2,600,000 SH DEFINED 2 2,600,000 NONE NONE Dendreon Corp COM 24823Q107 16,244 1,524,500 SH DEFINED 2 1,524,500 NONE NONE Endocyte Inc COM 29269A102 4,618 927,321 SH DEFINED 3 927,321 NONE NONE Gilead Sciences Inc COM 375558103 103,095 2,110,000 SH DEFINED 1 2,110,000 NONE NONE Halozyme Therapeutics Inc COM 40637H109 61,248 4,800,000 SH DEFINED 3 4,800,000 NONE NONE Human Genome Sciences Inc COM 444903108 16,480 2,000,000 SH DEFINED 2 2,000,000 NONE NONE Idenix Pharmaceuticals Inc COM 45166R204 13,706 1,400,000 SH DEFINED 3 1,400,000 NONE NONE Immunogen Inc COM 45253H101 52,758 3,666,300 SH DEFINED 3 3,666,300 NONE NONE Incyte Corp COM 45337C102 96,114 4,980,000 SH DEFINED 3 4,980,000 NONE NONE Isis Pharmaceuticals Inc COM 464330109 63,440 7,233,800 SH DEFINED 3 7,233,800 NONE NONE Onyx Pharmaceuticals Inc COM 683399109 6,217 165,000 SH DEFINED 2 165,000 NONE NONE Optimer Pharmaceuticals Inc COM 68401H104 20,054 1,442,700 SH DEFINED 3 1,442,700 NONE NONE Medicines Co COM 584688105 28,471 1,418,600 SH DEFINED 2 1,418,600 NONE NONE Theravance Inc COM 88338T104 16,443 843,244 SH DEFINED 3 843,244 NONE NONE Vertex Pharmaceuticals Inc COM 92532F100 115,758 2,822,684 SH DEFINED 3 2,822,684 NONE NONE
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