B
Biogen Inc. (BIIB)
NMS – Real Time Price. Currency in USD
208.88
+4.99 (2.45%)
At close: Aug 12, 2026, 3:59 PM EDT
209.06
+0.19 (0.09%)
After-hours: Aug 12, 2026, 4:56 PM EDT
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NMS – Real Time Price. Currency in USD
208.88
+4.99 (2.45%)
At close: Aug 12, 2026, 3:59 PM EDT
209.06
+0.19 (0.09%)
After-hours: Aug 12, 2026, 4:56 PM EDT
| Breakdown | |
|---|---|
| 0.19% | % of Shares Held by All Insider |
| 97.12% | % of Shares Held by Institutions |
| 97.30% | % of Float Held by Institutions |
| 1484 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Blackrock Inc. | 15.99M | 2026-06-30 | 10.82% | $3.26B |
| State Street Corporation | 7.34M | 2026-06-30 | 4.97% | $1.50B |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| VANGUARD CHESTER FUNDS-Vanguard PRIMECAP Fund | 8.36M | 2026-03-31 | 5.66% | $1.70B |
| Fidelity Contrafund | 4.99M | 2026-06-30 | 3.38% | $1.02B |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 4.65M | 2026-03-31 | 3.15% | $949.09M |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | 3.73M | 2026-03-31 | 2.52% | $760.63M |
| VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund | 3.17M | 2026-03-31 | 2.15% | $646.21M |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 2.53M | 2026-04-30 | 1.71% | $515.05M |
| VANGUARD HORIZON FUNDS-Vanguard Capital Opportunity Fund | 2.33M | 2026-03-31 | 1.58% | $475.59M |
| Fidelity Rutland Square TRT II-Strategic Advisers Fidelity U.S. Total | 2.08M | 2026-06-30 | 1.41% | $423.99M |
| iShares Trust-iShares Core S&P 500 ETF | 2.04M | 2026-06-30 | 1.38% | $415.42M |
| Fidelity Rutland Square TRT II-Strategic Advisers U.S. Total Stock Fd. | 2.03M | 2026-05-31 | 1.37% | $409.92M |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | 1.89M | 2026-06-30 | 1.28% | $386.15M |
| SPDR S&P 500 ETF TRUST | 1.79M | 2025-12-31 | 1.22% | $340.88M |
| SPDR S&P 500 ETF Trust | 1.79M | 2025-12-31 | 1.22% | $335.55M |
| SPDR S&P 500 ETF TRUST-State Street SPDR S&P 500 ETF Trust | 1.78M | 2026-05-31 | 1.20% | $386.39M |