The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. | |||||||||||||||||
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F INFORMATION TABLE |
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| 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 | MANAGER | SOLE | SHARED | NONE |
| ABBVIE INC. | COM | 00287Y109 | 72 | 1,000 | SH | SOLE | 1,000 | 0 | 0 | ||
| ALLERGAN PLC | SHS | G0177J108 | 174,545 | 1,042,500 | SH | SOLE | 1,042,500 | 0 | 0 | ||
| BIOGEN INC. | COM | 09062X103 | 150,378 | 643,000 | SH | SOLE | 643,000 | 0 | 0 | ||
| CYCLERION THERAPEUTICS INC. | COM | 23255M105 | 2,862 | 250,000 | SH | SOLE | 250,000 | 0 | 0 | ||
| INNOVIVA INC. | COM | 45781M101 | 90,883 | 6,242,000 | SH | SOLE | 6,242,000 | 0 | 0 | ||
| INTERCEPT PHARMACEUTICALS INC. | COM | 45845P108 | 60,234 | 757,000 | SH | SOLE | 757,000 | 0 | 0 | ||
| IRONWOOD PHARMACEUTICALS INC. | COM CL A | 46333X108 | 106,314 | 9,718,000 | SH | SOLE | 9,718,000 | 0 | 0 | ||
| JAZZ PHARMACEUTICALS PLC | SHS USD | G50871105 | 28,013 | 196,500 | SH | SOLE | 196,500 | 0 | 0 | ||
| MEDICINES CO. | COM | 584688105 | 153,246 | 4,202,000 | SH | SOLE | 4,202,000 | 0 | 0 | ||
| MERSANA THERAPEUTICS INC. | COM | 59045L106 | 15,187 | 3,750,000 | SH | SOLE | 3,750,000 | 0 | 0 | ||
| MIRATI THERAPEUTICS INC. | COM | 60468T105 | 103 | 1,000 | SH | SOLE | 1,000 | 0 | 0 | ||
| PUMA BIOTECHNOLOGY INC. | COM | 74587V107 | 18,010 | 1,417,000 | SH | SOLE | 1,417,000 | 0 | 0 | ||
| REGULUS THERAPEUTICS INC. | COM NEW | 75915K200 | 2,314 | 1,851,851 | SH | SOLE | 1,851,851 | 0 | 0 | ||