B
Biogen Inc. (BIIB)
NMS – Real Time Price. Currency in USD
216.03
+14.07 (6.97%)
At close: Jun 26, 2026, 4:00 PM EDT
216.00
-0.03 (-0.01%)
After-hours: Jun 26, 2026, 7:44 PM EDT
Find any stock by ticker or company name

NMS – Real Time Price. Currency in USD
216.03
+14.07 (6.97%)
At close: Jun 26, 2026, 4:00 PM EDT
216.00
-0.03 (-0.01%)
After-hours: Jun 26, 2026, 7:44 PM EDT
| Breakdown | |
|---|---|
| 0.19% | % of Shares Held by All Insider |
| 96.23% | % of Shares Held by Institutions |
| 96.41% | % of Float Held by Institutions |
| 1445 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Blackrock Inc. | 15.97M | 2026-03-31 | 10.82% | $3.45B |
| Primecap Management Company | 14.76M | 2026-03-31 | 10.00% | $3.19B |
| FMR, LLC | 12.81M | 2026-03-31 | 8.68% | $2.77B |
| Vanguard Capital Management LLC | 9.54M | 2026-03-31 | 6.46% | $2.06B |
| State Street Corporation | 7.17M | 2026-03-31 | 4.86% | $1.55B |
| Vanguard Portfolio Management LLC | 6.53M | 2026-03-31 | 4.42% | $1.41B |
| Geode Capital Management, LLC | 4.34M | 2026-03-31 | 2.94% | $938.13M |
| Wellington Management Group, LLP | 2.96M | 2026-03-31 | 2.01% | $639.80M |
| Morgan Stanley | 2.17M | 2026-03-31 | 1.47% | $468.99M |
| JPMORGAN CHASE & CO | 2.02M | 2026-03-31 | 1.37% | $435.52M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| VANGUARD CHESTER FUNDS-Vanguard PRIMECAP Fund | 8.36M | 2026-03-31 | 5.66% | $1.81B |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 4.65M | 2026-03-31 | 3.15% | $1.01B |
| Fidelity Contrafund | 3.94M | 2026-04-30 | 2.67% | $851.67M |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | 3.73M | 2026-03-31 | 2.53% | $805.92M |
| VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund | 3.17M | 2026-03-31 | 2.15% | $684.69M |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 2.91M | 2026-01-31 | 1.97% | $629.43M |
| VANGUARD HORIZON FUNDS-Vanguard Capital Opportunity Fund | 2.33M | 2026-03-31 | 1.58% | $503.90M |
| iShares Trust-iShares Core S&P 500 ETF | 1.90M | 2026-04-30 | 1.29% | $410.09M |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | 1.88M | 2026-04-30 | 1.27% | $406.29M |
| 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% | $383.97M |