B
Biogen Inc. (BIIB)
NMS – Real Time Price. Currency in USD
183.84
-7.22 (-3.78%)
At close: Mar 27, 2026, 4:00 PM EDT
184.72
+0.88 (0.48%)
After-hours: Mar 27, 2026, 7:33 PM EDT
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NMS – Real Time Price. Currency in USD
183.84
-7.22 (-3.78%)
At close: Mar 27, 2026, 4:00 PM EDT
184.72
+0.88 (0.48%)
After-hours: Mar 27, 2026, 7:33 PM EDT
| Breakdown | |
|---|---|
| 0.17% | % of Shares Held by All Insider |
| 98.05% | % of Shares Held by Institutions |
| 98.21% | % of Float Held by Institutions |
| 1433 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Vanguard Group Inc | 17.45M | 2025-12-31 | 11.89% | $3.21B |
| Blackrock Inc. | 14.81M | 2025-12-31 | 10.09% | $2.72B |
| Primecap Management Company | 14.76M | 2025-12-31 | 10.06% | $2.71B |
| FMR, LLC | 9.43M | 2025-12-31 | 6.42% | $1.73B |
| State Street Corporation | 7.16M | 2025-12-31 | 4.88% | $1.32B |
| Geode Capital Management, LLC | 4.20M | 2025-12-31 | 2.86% | $772.02M |
| Wellington Management Group, LLP | 3.55M | 2025-12-31 | 2.42% | $652.87M |
| Point72 Asset Management, L.P. | 2.81M | 2025-12-31 | 1.92% | $517.18M |
| NORGES BANK | 2.64M | 2025-12-31 | 1.80% | $485.12M |
| Morgan Stanley | 2.33M | 2025-12-31 | 1.58% | $427.43M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| VANGUARD CHESTER FUNDS-Vanguard PRIMECAP Fund | 8.36M | 2025-12-31 | 5.70% | $1.54B |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 4.63M | 2025-12-31 | 3.15% | $850.27M |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | 3.70M | 2025-12-31 | 2.52% | $680.21M |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 3.36M | 2025-10-31 | 2.29% | $618.23M |
| VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund | 3.19M | 2025-12-31 | 2.18% | $587.05M |
| Fidelity Contrafund | 2.90M | 2026-01-31 | 1.97% | $532.75M |
| VANGUARD HORIZON FUNDS-Vanguard Capital Opportunity Fund | 2.33M | 2025-12-31 | 1.59% | $428.82M |
| iShares Trust-iShares Core S&P 500 ETF | 1.89M | 2026-01-31 | 1.29% | $347.05M |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | 1.86M | 2026-01-31 | 1.27% | $342.66M |
| 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 | 1.76M | 2026-01-31 | 1.20% | $324.05M |