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SUPERINVESTOR HOLDERS
BIIB
Biogen Inc
Healthcare · Drug Manufacturers - General
- Holders
- 5
- Total value
- $3,767,636,898
- Total shares
- 17,445,091
- Cross-link
- Financials →
| Investor | Shares | Value | % of Portfolio | Activity | As of |
|---|---|---|---|---|---|
|
PRIMECAP Management
PRIMECAP Management Co
|
15,154,606 | $3,274,304,389 | 1.94% | ADD +396,999 | 30 Jun 2026 |
|
Cliff Asness
AQR Capital Management
|
1,936,859 | $416,928,075 | 0.14% | ADD +13,302 | 30 Jun 2026 |
|
Joel Greenblatt
Gotham Asset Management
|
279,900 | $60,475,194 | 0.14% | REDUCE -18,537 | 30 Jun 2026 |
|
Tom Steyer
Farallon Capital Management LLC
|
71,000 | $15,340,260 | 0.07% | NEW +71,000 | 30 Jun 2026 |
|
Murray Stahl
Horizon Kinetics LLC
|
2,726 | $588,980 | 0.01% | REDUCE -131 | 30 Jun 2026 |