Siren, L.L.C.
- SEC CIK
- 0002005245
- Latest filing
- Aug 13, 2026
NAMS holding history
NewAmsterdam Pharma Co N.V. in every 13F filed by Siren, L.L.C., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
NAMS overviewAll 13F holders of NAMSFull Q2 2026 holdings
- Shares (Q4 2025)
- 0
- Sold out in Q4 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 5
- Since Q3 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 0 | $0 | 0.0% | −765,705−100.0% | Sold out | Holders |
| Q3 2025 | 765,705 | $21.8M | 0.9% | −428,535−35.9% | Reduced | Holders |
| Q2 2025 | 1,194,240 | $21.6M | 1.1% | −717,790−37.5% | Reduced | Holders |
| Q1 2025 | 1,912,030 | $39.1M | 2.2% | −183,608−8.8% | Reduced | Holders |
| Q4 2024 | 2,095,638 | $53.9M | 2.4% | +1,175,074+127.6% | Added | Holders |
| Q3 2024 | 920,564 | $15.3M | 0.8% | – | No prior filing | Holders |