Cornerstone Planning Group LLC
- SEC CIK
- 0001822587
- Latest filing
- Jul 29, 2026
BIIB holding history
Biogen Inc. in every 13F filed by Cornerstone Planning Group 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)
- 93
- Value
- $18.4K
- % of portfolio
- <0.1%
- Quarters held
- 14
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 93 | $18.4K | <0.1% | −2−2.1% | Reduced | Holders |
| Q1 2026 | 95 | $18.0K | <0.1% | +54+131.7% | Added | Holders |
| Q4 2025 | 41 | $7.17K | <0.1% | +39+1,950.0% | Added | Holders |
| Q3 2025 | 2 | $104 | <0.1% | −50−96.2% | Reduced | Holders |
| Q2 2025 | 52 | $6.91K | <0.1% | +38+271.4% | Added | Holders |
| Q1 2025 | 14 | $1.65K | <0.1% | −9−39.1% | Reduced | Holders |
| Q4 2024 | 23 | $3.42K | <0.1% | +14+155.6% | Added | Holders |
| Q3 2024 | 9 | $1.65K | <0.1% | −19−67.9% | Reduced | Holders |
| Q2 2024 | 28 | $5.55K | <0.1% | +12+75.0% | Added | Holders |
| Q1 2024 | 16 | $3.48K | <0.1% | −58−78.4% | Reduced | Holders |
| Q4 2023 | 74 | $19.1K | <0.1% | +19+34.5% | Added | Holders |
| Q3 2023 | 55 | $14.1K | <0.1% | −2−3.5% | Reduced | Holders |
| Q2 2023 | 57 | $16.2K | <0.1% | – | No prior filing | Holders |
| Q1 2023 | – | – | – | – | Not filed | Holders |
| Q4 2022 | 19 | $5.32K | <0.1% | – | No prior filing | Holders |