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BIIB — BIOGEN INC · All Fund Holders
Funds holding (latest): 54 · Reported value held: $17.41B
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Fidelity Management & Research (FMR) history | Q2 2026 | 18.22M | $3.94B | 0.19% | Add |
| BlackRock Inc history | Q2 2026 | 15.99M | $3.45B | 0.05% | Hold |
| Vanguard Group history | Q4 2025 | 17.45M | $3.07B | 0.04% | Add |
| Geode Capital Management history | Q2 2026 | 4.45M | $957.94M | 0.05% | Add |
| Wellington Management Group history | Q2 2026 | 3.12M | $673.56M | 0.12% | Add |
| Norges Bank Investment Management history | Q2 2026 | 2.58M | $557.44M | 0.06% | Reduce |
| Morgan Stanley history | Q2 2026 | 2.41M | $520.98M | 0.03% | Add |
| AQR Capital Management history | Q2 2026 | 1.94M | $416.93M | 0.14% | Add |
| JPMorgan Chase & Co history | Q2 2026 | 1.82M | $394.95M | 0.04% | New |
| Invesco Ltd history | Q2 2026 | 1.80M | $389.76M | 0.03% | Add |
| Amundi US history | Q2 2026 | 1.52M | $327.73M | 0.08% | Add |
| Legal & General Investment Management America history | Q2 2026 | 1.49M | $322.64M | 0.07% | Add |
| Northern Trust Corp history | Q2 2026 | 1.43M | $308.86M | 0.04% | Reduce |
| Charles Schwab Investment Management history | Q2 2026 | 1.12M | $241.48M | 0.03% | Reduce |
| Bank of America Corp history | Q2 2026 | 1.12M | $241.17M | 0.02% | Reduce |
| Deutsche Bank AG history | Q2 2026 | 894.03K | $193.17M | 0.06% | Reduce |
| Southeastern Asset Management history | Q1 2022 | 842.96K | $177.53M | 3.30% | Reduce |
| Citigroup Inc history | Q2 2026 | 810.82K | $175.19M | 0.06% | Add |
| BNY Mellon history | Q2 2026 | 773.62K | $167.15M | 0.03% | Reduce |
| MFS Investment Management history | Q2 2026 | 744.89K | $163.13M | 0.05% | Add |
| CDPQ (Caisse de Depot) history | Q2 2026 | 510.19K | $110.23M | 0.16% | Reduce |
| National Pension Service of Korea history | Q2 2026 | 406.06K | $87.73M | 0.06% | Add |
| Balyasny Asset Management history | Q2 2026 | 365.09K | $78.88M | 0.10% | Reduce |
| Fidelity International (FIL) history | Q2 2026 | 342.62K | $74.03M | 0.05% | Add |
| Causeway Capital Management history | Q2 2026 | 278.28K | $60.13M | 0.65% | Reduce |
| Principal Global Investors history | Q2 2026 | 184.45K | $39.85M | 0.02% | Reduce |
| Franklin Resources history | Q2 2026 | 137.44K | $29.69M | 0.01% | Reduce |
| Citadel Advisors history | Q2 2026 | 134.20K | $29.00M | 0.04% | Reduce |
| Wells Fargo & Co history | Q2 2026 | 128.66K | $27.80M | 0.01% | Add |
| Moore Capital Management history | Q4 2023 | 90.00K | $23.29M | 0.41% | Add |
| Manulife Financial history | Q2 2026 | 90.78K | $19.61M | 0.01% | Reduce |
| D. E. Shaw & Co history | Q2 2026 | 80.84K | $17.47M | 0.01% | Add |
| Renaissance Technologies history | Q2 2026 | 77.74K | $16.80M | 0.02% | Reduce |
| Prudential Financial history | Q2 2026 | 72.34K | $15.63M | 0.02% | Reduce |
| Farallon Capital Management history | Q2 2026 | 71.00K | $15.34M | 0.07% | New |
| Lazard Asset Management history | Q2 2026 | 57.07K | $12.33M | 0.02% | Add |
| Millennium Management history | Q2 2026 | 49.50K | $10.69M | 0.00% | Reduce |
| PNC Financial Services history | Q2 2026 | 41.12K | $8.88M | 0.00% | Add |
| Arrowstreet Capital history | Q4 2025 | 45.35K | $7.98M | 0.01% | Reduce |
| Capital World Investors history | Q1 2024 | 34.20K | $7.37M | 0.00% | Hold |
| Bridgewater Associates history | Q3 2025 | 39.98K | $5.60M | 0.02% | New |
| PSP Investments history | Q2 2026 | 24.21K | $5.23M | 0.01% | Add |
| Goldman Sachs Group history | Q2 2026 | 20.00K | $4.32M | 0.00% | Reduce |
| Marshall Wace history | Q2 2026 | 18.89K | $4.08M | 0.00% | Reduce |
| Janus Henderson Group history | Q1 2026 | 18.98K | $3.48M | 0.00% | Reduce |
| CPP Investments history | Q2 2026 | 13.60K | $2.94M | 0.00% | Reduce |
| Saudi Arabian Monetary Authority history | Q2 2026 | 10.27K | $2.22M | 0.03% | Add |
| Two Sigma Investments history | Q2 2026 | 7.11K | $1.54M | 0.00% | Reduce |
| Ontario Teachers Pension Plan history | Q2 2025 | 5.79K | $726.66K | 0.01% | Reduce |
| Pzena Investment Management history | Q2 2023 | 1.62K | $460.89K | 0.00% | New |
| UBS Group AG history | Q2 2026 | 2.00K | $432.12K | 0.00% | Reduce |
| Maverick Capital history | Q4 2023 | 1.60K | $414.03K | 0.01% | New |
| T. Rowe Price Associates history | Q2 2026 | 774.28K | $167.29K | 0.02% | Add |
| Point72 Asset Management history | Q2 2026 | 300 | $64.82K | 0.00% | Reduce |