Lord, Abbett & Co. LLC
- SEC CIK
- 0000728100
- Latest filing
- Aug 14, 2026
BIIB holding history
Biogen Inc. in every 13F filed by Lord, Abbett & Co. LLC, 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)
- 130,184
- Value
- $28.1M
- % of portfolio
- 0.1%
- Quarters held
- 7
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 130,184 | $28.1M | 0.1% | +130,184 | New | Holders |
| Q1 2024 | 0 | $0 | 0.0% | −159,399−100.0% | Sold out | Holders |
| Q4 2023 | 159,399 | $41.2M | 0.1% | −1,966−1.2% | Reduced | Holders |
| Q3 2023 | 161,365 | $41.5M | 0.2% | +25,818+19.0% | Added | Holders |
| Q2 2023 | 135,547 | $38.6M | 0.1% | +135,547 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −264,315−100.0% | Sold out | Holders |
| Q4 2022 | 264,315 | $73.2M | 0.3% | +249,884+1,731.6% | Added | Holders |
| Q3 2022 | 14,431 | $3.85M | <0.1% | +14,431 | New | Holders |
| Q3 2021 | 0 | $0 | 0.0% | −187,722−100.0% | Sold out | Holders |
| Q2 2021 | 187,722 | $65.0M | 0.2% | +187,722 | New | Holders |