Fox Run Management, L.L.C.
- SEC CIK
- 0001533457
- Latest filing
- Aug 4, 2026
BIIB holding history
Biogen Inc. in every 13F filed by Fox Run Management, L.L.C., 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 Q2 2026 holdings
- Shares (Q4 2025)
- 0
- Sold out in Q4 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 10
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 0 | $0 | 0.0% | −6,969−100.0% | Sold out | Holders |
| Q3 2025 | 6,969 | $976.2K | 0.2% | −5,922−45.9% | Reduced | Holders |
| Q2 2025 | 12,891 | $1.62M | 0.3% | +3,777+41.4% | Added | Holders |
| Q1 2025 | 9,114 | $1.25M | 0.2% | +9,114 | New | Holders |
| Q4 2024 | 0 | $0 | 0.0% | −7,922−100.0% | Sold out | Holders |
| Q3 2024 | 7,922 | $1.54M | 0.3% | +7,922 | New | Holders |
| Q2 2024 | 0 | $0 | 0.0% | −1,974−100.0% | Sold out | Holders |
| Q1 2024 | 1,974 | $425.7K | 0.1% | +1,974 | New | Holders |
| Q3 2023 | 0 | $0 | 0.0% | −2,380−100.0% | Sold out | Holders |
| Q2 2023 | 2,380 | $677.9K | 0.2% | +2,380 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −1,854−100.0% | Sold out | Holders |
| Q4 2022 | 1,854 | $513.4K | 0.2% | +1,854 | New | Holders |
| Q3 2022 | 0 | $0 | 0.0% | −2,862−100.0% | Sold out | Holders |
| Q2 2022 | 2,862 | $584.0K | 0.3% | +1,255+78.1% | Added | Holders |
| Q1 2022 | 1,607 | $338.0K | 0.2% | +1,607 | New | Holders |
| Q4 2021 | 0 | $0 | 0.0% | −707−100.0% | Sold out | Holders |
| Q3 2021 | 707 | $200.0K | 0.1% | +707 | New | Holders |