Cerus Corporation (CERS)
Who owns Cerus Corporation (CERS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 90.8% of the shares are freely tradable; institutional investors hold 74.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.77 | 21,575,419 | -1.6 | 03/31/2026 |
| ARK Investment Management LLC | 9.56 | 19,161,148 | +5.3 | 03/31/2026 |
| Vanguard Group Inc | 5.57 | 11,163,121 | +3.5 | 12/31/2025 |
| Soleus Capital Management, L.P. | 5.37 | 10,753,700 | +168.8 | 03/31/2026 |
| Baker Bros Advisors LP | 5.00 | 10,008,345 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.06 | 8,131,778 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Innovation ETF | 4.98 | 9,980,655 | +2.3 | 05/31/2026 |
| ARK Disruptive Innovation Full Composite | 4.97 | 9,952,495 | +2.8 | 03/31/2026 |
| ARK Genomic Revolution | 3.51 | 7,027,111 | +9.3 | 03/31/2026 |
| ARK Genomic Revolution ETF | 3.37 | 6,757,726 | -0.3 | 05/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 16. Jul 2026 | Jayaraman Vivek K | Chief Executive Officer | Sell | 16,666 | 3.16 | 52,665 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.