Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (44 quarters reported)
$206M in Q4 2014 → $43M now. Hover for any quarter.
As reported for the quarter ended September 30, 2025. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| E Ewtx | 38.8% | Unchanged | 1,030,161 | $16.7M |
| A Arvn | 31.4% | Unchanged | 1,585,721 | $13.5M |
| C Crnx | 13.6% | Unchanged | 141,000 | $5.87M |
| C Cogt | 8.4% | Unchanged | 250,765 | $3.6M |
| R Rlyb | 3.8% | Unchanged | 3,301,603 | $1.65M |
| A Alec | 2.3% | Unchanged | 339,569 | $1.01M |
| P Pasg | 1.6% | Trimmed 97% | 87,426 | $702K |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended September 30, 2025 · filed November 14, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| P Pasg | Trimmed | −2,410,496 | −$19.4M | 1.6% |
| Iterum Therapeutics PLC | Exited | −345,020 | −$343K | — |
quarter ended June 30, 2025 · filed August 13, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Rocket Pharmaceuticals Inc | Exited | −150,706 | −$1.01M | — |
quarter ended March 31, 2025 · filed May 13, 2025
No position changes this quarter.
quarter ended December 31, 2024 · filed February 13, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Edgewise Therapeutics Inc | Trimmed | −523,500 | −$14M | 36.8% |
| Arvinas Inc | Added | +151,000 | +$2.89M | 40.6% |
| X4 Pharmaceuticals Inc | Exited | −335,000 | −$224K | — |
quarter ended September 30, 2024 · filed November 13, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Arvinas Inc | Added | +145,200 | +$3.58M | 36.3% |
| Iterum Therapeutics PLC | Added | +247,934 | +$270K | 0.4% |
quarter ended June 30, 2024 · filed August 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Deciphera Pharmaceuticals Inc | Exited | −576,975 | −$9.08M | — |
| Rocket Pharmaceuticals Inc | Added | +32,464 | +$699K | 3.9% |
| Iterum Therapeutics PLC | Added | +2 | +$2 | 0.1% |
quarter ended March 31, 2024 · filed May 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Harpoon Therapeutics Inc | Exited | −1,859,168 | −$21.1M | — |
quarter ended December 31, 2023 · filed February 14, 2024
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Harpoon Therapeutics Inc | Added | +1,543,500 | +$17.5M | 17.0% |
| Deciphera Pharmaceuticals Inc | Trimmed | −632,596 | −$10.2M | 7.5% |
| Cogent Biosciences Inc. | Trimmed | −250,765 | −$1.47M | 1.2% |
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