D.A. Davidson & Co.
- SEC CIK
- 0001080107
- Latest filing
- Jul 24, 2026
BIIB holding history
Biogen Inc. in every 13F filed by D.A. Davidson & Co., 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)
- 1,164
- Value
- $251.5K
- % of portfolio
- <0.1%
- Quarters held
- 19
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,164 | $251.5K | <0.1% | −54−4.4% | Reduced | Holders |
| Q1 2026 | 1,218 | $223.3K | <0.1% | +1,218 | New | Holders |
| Q2 2025 | 0 | $0 | 0.0% | −1,518−100.0% | Sold out | Holders |
| Q1 2025 | 1,518 | $207.7K | <0.1% | −99−6.1% | Reduced | Holders |
| Q4 2024 | 1,617 | $247.3K | <0.1% | −386−19.3% | Reduced | Holders |
| Q3 2024 | 2,003 | $388.3K | <0.1% | −1,193−37.3% | Reduced | Holders |
| Q2 2024 | 3,196 | $740.9K | <0.1% | +1,165+57.4% | Added | Holders |
| Q1 2024 | 2,031 | $437.9K | <0.1% | −54−2.6% | Reduced | Holders |
| Q4 2023 | 2,085 | $539.5K | <0.1% | −740−26.2% | Reduced | Holders |
| Q3 2023 | 2,825 | $726.1K | <0.1% | +583+26.0% | Added | Holders |
| Q2 2023 | 2,242 | $638.6K | <0.1% | −75−3.2% | Reduced | Holders |
| Q1 2023 | 2,317 | $644.2K | <0.1% | −2,271−49.5% | Reduced | Holders |
| Q4 2022 | 4,588 | $1.27M | <0.1% | −3,289−41.8% | Reduced | Holders |
| Q3 2022 | 7,877 | $2.10M | <0.1% | −4,375−35.7% | Reduced | Holders |
| Q2 2022 | 12,252 | $2.50M | <0.1% | −1,172−8.7% | Reduced | Holders |
| Q1 2022 | 13,424 | $2.83M | <0.1% | +791+6.3% | Added | Holders |
| Q4 2021 | 12,633 | $3.03M | <0.1% | +9,142+261.9% | Added | Holders |
| Q3 2021 | 3,491 | $988.0K | <0.1% | −73−2.0% | Reduced | Holders |
| Q2 2021 | 3,564 | $1.23M | <0.1% | −1,258−26.1% | Reduced | Holders |
| Q1 2021 | 4,822 | $1.35M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.