BIOGEN INC. (BIIB)
Healthcare · Biological Products, (No Diagnostic Substances)
BIOGEN INC. (BIIB) stock research on InvestAtlant: institutional ownership from 13F filings, insider Form 4 activity, and SEC context.
Top institutional holders (2026-Q3)
| Institution | Shares | Value | % Outstanding |
|---|---|---|---|
| Pictet Asset Management Holding SA | 832,444 | 88.23M | 0.56% |
| Robeco Institutional Asset Management B.V. | 656,465 | 48.28M | 0.44% |
| Artemis Investment Management LLP | 581,774 | 31.41M | 0.39% |
| Candriam S.C.A. | 412,472 | $93.51M | 0.28% |
| B. Metzler seel. Sohn & Co. AG | 403,636 | $91.17M | 0.27% |
| Sumitomo Mitsui Trust Group, Inc. | 336,692 | $76.05M | 0.23% |
| Swedbank AB | 322,494 | $72.84M | 0.22% |
| KBC Group NV | 289,080 | $65.3K | 0.20% |
Recent insider transactions
| Date | Insider | Title | Type | Value |
|---|---|---|---|---|
| 2026-08-04 | Minor Lloyd | Director | Sale | 19.2K |
| 2026-08-03 | Minor Lloyd | Director | Sale | 20.6K |
| 2026-02-12 | Murphy Nicole | Head of Pharm Ops and Tech | Purchase | $585 |
| 2026-02-09 | Singhal Priya | Head of Development | Sale | $531.5K |