Cerus Corporation (CERS) ownership: Top institutional holder: BlackRock, Inc. ($39.27M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 21575419.00 | $39.27M | 2026-03-31 |
| ARK Investment Management LLC | 19161148.00 | $34.87M | 2026-03-31 |
| VANGUARD GROUP INC | 11163121.00 | $23.00M | 2025-12-31 |
| BlackRock Fund Advisors | 4712166.00 | $20.50M | 2016-12-31 |
| Soleus Capital Management, L.P. | 10753700.00 | $19.57M | 2026-03-31 |
| BAKER BROS. ADVISORS LP | 10008345.00 | $18.22M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 8131778.00 | $14.80M | 2026-03-31 |
| WASATCH ADVISORS LP | 3383899.00 | $9.88M | 2026-06-30 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-07-16 | |
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-30 | |
| Sell | null | 2026-06-30 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.