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 |
| CELGENE CORPORATION | COM | 151020904 | 67,834 | 650,000 | SH | Call | SOLE | 650,000 | 0 | 0 | |
| CELGENE CORPORATION | COM | 151020904 | 23,481 | 225,000 | SH | Call | SOLE | 225,000 | 0 | 0 | |
| FIBROGEN INC | COM | 31572Q908 | 13,528 | 285,400 | SH | Call | SOLE | 285,400 | 0 | 0 | |
| IRONWOOD PHARMACEUTICALS INC | COM | 46333X908 | 7,495 | 500,000 | SH | Call | SOLE | 500,000 | 0 | 0 | |
| INTELLIA THERAPEUTICS INC | COM | 45826J905 | 1,442 | 75,000 | SH | Call | SOLE | 75,000 | 0 | 0 | |
| SPARK THERAPEUTICS INC | COM | 84652J903 | 23,422 | 455,500 | SH | Call | SOLE | 455,500 | 0 | 0 | |
| UNIQURE NV | COM | N90064901 | 5,170 | 263,900 | SH | Call | SOLE | 263,900 | 0 | 0 | |
| ACHILLION PHARMACEUTICALS INC | COM | 00448Q201 | 5,301 | 1,840,725 | SH | SOLE | 1,840,725 | 0 | 0 | ||
| APELLIS PHARMACEUTICALS INC | COM | 03753U106 | 24,837 | 1,144,558 | SH | SOLE | 1,144,558 | 0 | 0 | ||
| ARRAY BIOPHARMA INC | COM | 04269X105 | 36,899 | 2,882,712 | SH | SOLE | 2,882,712 | 0 | 0 | ||
| ASSEMBLY BIOSCIENCES INC | COM | 045396108 | 133,178 | 2,943,164 | SH | SOLE | 2,943,165 | 0 | 0 | ||
| CLEMENTIA PHARMACEUTICALS | COM | 185575107 | 3,685 | 194,166 | SH | SOLE | 194,166 | 0 | 0 | ||
| CORVUS PHARMACEUTICALS INC | COM | 221015100 | 6,096 | 588,432 | SH | SOLE | 588,432 | 0 | 0 | ||
| DENALI THERAPEUTICS INC | COM | 24823R105 | 3,128 | 200,000 | SH | SOLE | 200,000 | 0 | 0 | ||
| FIBROGEN INC | COM | 31572Q808 | 97,063 | 2,047,737 | SH | SOLE | 2,047,737 | 0 | 0 | ||
| IMMUNE DESIGN CORP | COM | 45252L103 | 13,894 | 3,562,600 | SH | SOLE | 3,562,600 | 0 | 0 | ||
| IRONWOOD PHARMACEUTICALS INC | COM | 46333X108 | 88,225 | 5,885,583 | SH | SOLE | 5,885,583 | 0 | 0 | ||
| KINDRED BIOSCIENCES INC | COM | 494577109 | 5,149 | 544,880 | SH | SOLE | 544,880 | 0 | 0 | ||
| KURA ONCOLOGY INC | COM | 50127T109 | 57,633 | 3,766,852 | SH | SOLE | 3,766,852 | 0 | 0 | ||
| ATYR PHARMA INC | COM | 002120103 | 13,713 | 3,917,972 | SH | SOLE | 3,917,972 | 0 | 0 | ||
| MACROGENICS INC | COM | 556099109 | 21,675 | 1,140,794 | SH | SOLE | 1,140,794 | 0 | 0 | ||
| MIRATI THERAPEUTICS INC | COM | 60468T105 | 1,884 | 103,240 | SH | SOLE | 103,240 | 0 | 0 | ||
| MYOKARDIA INC | COM | 62857M105 | 32,770 | 778,393 | SH | SOLE | 778,393 | 0 | 0 | ||
| RHYTHM PHARMACEUTICALS INC | COM | 76243J105 | 15,406 | 530,161 | SH | SOLE | 530,161 | 0 | 0 | ||
| WAVE LIFE SCIENCES LTD | COM | Y95308105 | 32,859 | 936,163 | SH | SOLE | 936,163 | 0 | 0 | ||
| XENCOR INC | COM | 98401F105 | 2,476 | 112,976 | SH | SOLE | 112,976 | 0 | 0 | ||
| DICERNA PHARMACEUTICALS INC | COM | 253031108 | 43,674 | 4,836,547 | SH | SOLE | 4,836,547 | 0 | 0 | ||
| MADRIGAL PHARMACEUTICALS INC | COM | 558868105 | 3,213 | 35,000 | SH | SOLE | 35,000 | 0 | 0 | ||
| ASCENDIS PHARMA | SPONSORED ADR | 04351P101 | 84,430 | 2,107,600 | SH | SOLE | 2,107,600 | 0 | 0 | ||
| BEIGENE LTD | SPONSORED ADR | 07725L102 | 8,176 | 83,667 | SH | SOLE | 83,667 | 0 | 0 | ||
| GALAPAGOS NV (ADR) | SPONSORED ADR | 36315X101 | 10,350 | 110,384 | SH | SOLE | 110,384 | 0 | 0 | ||