Klingenstein Fields & Co LP
- SEC CIK
- 0000859872
- Latest filing
- Aug 5, 2026
BIIB holding history
Biogen Inc. in every 13F filed by Klingenstein Fields & Co 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 Q2 2026 holdings
- Shares (Q2 2026)
- 2,731
- Value
- $590.1K
- % of portfolio
- <0.1%
- Quarters held
- 16
- Since Q3 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 2,731 | $590.1K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2026 | 2,731 | $500.7K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2025 | 2,731 | $480.6K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2025 | 2,731 | $382.6K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2025 | 2,731 | $343.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 2,731 | $373.7K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2024 | 2,731 | $417.6K | <0.1% | −225−7.6% | Reduced | Holders |
| Q3 2024 | 2,956 | $573.0K | <0.1% | −100−3.3% | Reduced | Holders |
| Q2 2024 | 3,056 | $708.4K | <0.1% | −75−2.4% | Reduced | Holders |
| Q1 2024 | 3,131 | $675.1K | <0.1% | −12−0.4% | Reduced | Holders |
| Q4 2023 | 3,143 | $813.3K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2023 | 3,143 | $807.8K | <0.1% | +1,318+72.2% | Added | Holders |
| Q2 2023 | 1,825 | $519.9K | <0.1% | +255+16.2% | Added | Holders |
| Q1 2023 | 1,570 | $436.5K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2022 | 1,570 | $434.8K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2022 | 1,570 | $419.0K | <0.1% | +1,570 | New | Holders |