STF Management LP
- SEC CIK
- 0001965239
- Latest filing
- Feb 5, 2026
BIIB holding history
Biogen Inc. in every 13F filed by STF Management LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
BIIB overviewAll 13F holders of BIIBFull Q4 2025 holdings
- Shares (Q4 2025)
- 804
- Value
- $141.5K
- % of portfolio
- 0.1%
- Quarters held
- 13
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 804 | $141.5K | 0.1% | −721−47.3% | Reduced | Holders |
| Q3 2025 | 1,525 | $213.6K | 0.1% | +7+0.5% | Added | Holders |
| Q2 2025 | 1,518 | $190.6K | 0.1% | +76+5.3% | Added | Holders |
| Q1 2025 | 1,442 | $197.3K | 0.1% | +108+8.1% | Added | Holders |
| Q4 2024 | 1,334 | $204.0K | 0.1% | −758−36.2% | Reduced | Holders |
| Q3 2024 | 2,092 | $405.5K | 0.2% | −215−9.3% | Reduced | Holders |
| Q2 2024 | 2,307 | $534.8K | 0.2% | −95−4.0% | Reduced | Holders |
| Q1 2024 | 2,402 | $517.9K | 0.2% | −58−2.4% | Reduced | Holders |
| Q4 2023 | 2,460 | $636.6K | 0.3% | +91+3.8% | Added | Holders |
| Q3 2023 | 2,369 | $608.9K | 0.3% | +1,468+162.9% | Added | Holders |
| Q2 2023 | 901 | $256.6K | 0.3% | −752−45.5% | Reduced | Holders |
| Q1 2023 | 1,653 | $459.6K | 0.3% | +693+72.2% | Added | Holders |
| Q4 2022 | 960 | $265.8K | 0.4% | – | No prior filing | Holders |