CUSIP: 69353Y103 | NYSE | Healthcare · Biotechnology | Micro Cap | 297 institutional holders
5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.
| Holder | Shares | % of Class | Change | Event Date | vs 13F |
|---|---|---|---|---|---|
| 13GSrinivas Akkaraju with Samsara BioCapital, L.P., Samsara BioCapital GP, LLC, Samsara Opportunity Fund, L.P., +1 more | 7,577,467 | 9.9% | New 5%+ stake | Sep 2, 2026 | No 13F filer matched |
| 13D/AOrbimed Advisors LLC | 0 | 0.0% | Fell below 5% | Mar 2, 2026 | 4,975,291 sh (Dec 31, 2025) |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 328,744 | $549.0K | 0.0% | Growth | High | Senningerberg, Netherlands | 2026-10-15 | |
| 50,000 | $70.5K | 0.0% | Core | Medium | Wesley Chapel, FL | 2026-10-20 | |
| 27,536 | $46.0K | 0.0% | Core | Medium | London, United Kingdom | 2026-11-06 | |
| 5,082 | $8.5K | 0.0% | Core | Medium | Orchard Park, NY | 2026-11-05 | |
| 2,205 | $3.7K | 0.0% | Growth | Very Low | Pittsburgh, PA | 2026-11-06 | |
| 375 | $626 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 |