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 |
| MAGENTA THERAPEUTICS, INC. | COM | 55910K108 | 19,599 | 6,758,204 | SH | SOLE | 6,758,204 | 0 | 0 | ||
| FULCRUM THERAPEUTICS, INC. | COM | 359616109 | 55,416 | 2,343,154 | SH | SOLE | 2,343,154 | 0 | 0 | ||
| REVOLUTION MEDICINES, INC. | COM | 76155X100 | 36,222 | 1,419,900 | SH | SOLE | 1,419,900 | 0 | 0 | ||
| PLIANT THERAPEUTICS, INC. | COM | 729139105 | 14,951 | 2,132,867 | SH | SOLE | 2,132,867 | 0 | 0 | ||
| TANGO THERAPEUTICS, INC. | COM | 87583X109 | 146,779 | 19,363,975 | SH | SOLE | 19,363,975 | 0 | 0 | ||