Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.
Reported portfolio value by quarter (27 quarters reported)
$163M in Q4 2019 → $177M now. Hover for any quarter.
As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.
| Holding | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Phathom Pharmaceuticals Inc | 45.6% | Unchanged | 7,464,572 | $81M |
| NP Newamsterdam Pharma Company | 42.2% | Trimmed 17% | 2,208,639 | $74.9M |
| Aura Biosciences Inc | 12.2% | Unchanged | 3,039,892 | $21.6M |
What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.
quarter ended June 30, 2026 · filed August 04, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Centessa Pharmaceuticals PLC | Exited | −19,963,157 | −$793M | — |
| NP Newamsterdam Pharma Company | Trimmed | −465,543 | −$15.8M | 42.2% |
quarter ended March 31, 2026 · filed April 21, 2026
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Rapt Therapeutics Inc | Exited | −2,794,000 | −$94.6M | — |
| NP Newamsterdam Pharma Company | Trimmed | −195,383 | −$6.25M | 8.7% |
quarter ended December 31, 2025 · filed January 23, 2026
No position changes this quarter.
quarter ended September 30, 2025 · filed October 17, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Rapt Therapeutics Inc | New | +2,794,000 | +$72.1M | 9.7% |
| Rapt Therapeutics Inc | Exited | −2,794,000 | −$22.4M | — |
quarter ended June 30, 2025 · filed July 08, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Rapt Therapeutics Inc | Exited | −22,352,000 | −$27.3M | — |
| Rapt Therapeutics Inc | New | +2,794,000 | +$22.4M | 5.2% |
quarter ended March 31, 2025 · filed April 11, 2025
No position changes this quarter.
quarter ended December 31, 2024 · filed January 23, 2025
| Company | Action | Shares changed | Value of change | % of portfolio |
|---|---|---|---|---|
| Rapt Therapeutics Inc | New | +22,352,000 | +$35.3M | 6.7% |
quarter ended September 30, 2024 · filed October 15, 2024
No position changes this quarter.
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