Newamsterdam Pharma Co. NV-27NAMSWPreferred / convertible
13F holders, Q2 2026 (June 30)9holders
0new positions
0sold out
$21.46avg. 13F price*
At the end of Q2 2026, 9 institutions reported holding Newamsterdam Pharma Co. NV-27 (NAMSW) in their 13F filings, unchanged from Q1 2026. 0 opened new positions and 0 sold out. The largest holders were Frazier Life Sciences Management, L.P. ($10.7M), Ra Capital Management, L.P. ($7.1M) and Affinity Asset Advisors, LLC ($5.3M).
- Company
- Newamsterdam Pharma Co. NV-27
- CUSIP
- N62509117
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q1 2026 → Q2 2026: 12,845 shares bought, net +12,845 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 9 holders
| Frazier Life Sciences Management, L.P. | — | No change | 500,333 | $10.7M |
| Ra Capital Management, L.P. | — | No change | 333,333 | $7.1M |
| Affinity Asset Advisors, LLC | — | No change | 245,000 | $5.3M |
| Bain Capital Life Sciences Investors, LLC | — | No change | 99,999 | $2.1M |
| Deerfield Management Company, L.P. | — | No change | 92,787 | $2.0M |
| Aristeia Capital, L.L.C. | — | No change | 15,708 | $343K |
| Wolverine Asset Management LLC | — | Add +601.7% | 14,925 | $319K |
| Vestcor Inc | — | No change | 6,666 | $143K |
| UBS Group AG | — | Add +11.9% | 443 | $9K |
"% of holder's portfolio" is NAMSW's weight in each manager's 13F, not the share of Newamsterdam Pharma Co. NV-27 the manager owns.