CERS Cerus Corporation
Cerus Corporation (CERS) Institutional Ownership
What the institutions did with CERS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 22.2M | 14.7% |
| ARK Investment Management LLC | 17.9M | 11.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 8.6M | 5.7% |
| BAKER BROS. ADVISORS LP | 6.4M | 4.2% |
| D. E. Shaw & Co., Inc. | 5.5M | 3.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 5.1M | 3.4% |
| STATE STREET CORP | 4.8M | 3.2% |
| Senvest Management, LLC | 4.6M | 3.1% |
| ACADIAN ASSET MANAGEMENT LLC | 4.3M | 2.8% |
| Sumitomo Mitsui Trust Group, Inc. | 4.1M | 2.7% |
| Amova Asset Management Americas, Inc. | 4.1M | 2.7% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 4.1M | 2.7% |
| TWO SIGMA INVESTMENTS, LP | 3.5M | 2.3% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 3.5M | 2.3% |
| WASATCH ADVISORS LP | 3.4M | 2.2% |
| MACKENZIE FINANCIAL CORP | 3.0M | 2.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.8M | 1.8% |
| Soleus Capital Management, L.P. | 2.5M | 1.7% |
| IEQ CAPITAL, LLC | 2.4M | 1.6% |
| GOLDMAN SACHS GROUP INC | 2.3M | 1.5% |
| AQR CAPITAL MANAGEMENT LLC | 1.9M | 1.2% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7M | 1.2% |
| NORTHERN TRUST CORP | 1.7M | 1.1% |
| ALGERT GLOBAL LLC | 1.5M | 1.0% |
| VANGUARD FIDUCIARY TRUST CO | 1.4M | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Soleus Capital Management, L.P. | Reduced | 10.8M | 2.5M | -8.3M |
| BAKER BROS. ADVISORS LP | Reduced | 10.0M | 6.4M | -3.6M |
| MACKENZIE FINANCIAL CORP | Increased | 40.7K | 3.0M | +3.0M |
| WASATCH ADVISORS LP | Reduced | 5.3M | 3.4M | -1.9M |
| D. E. Shaw & Co., Inc. | Increased | 3.7M | 5.5M | +1.8M |
| ALGERT GLOBAL LLC | Increased | 118.9K | 1.5M | +1.4M |
| ARK Investment Management LLC | Reduced | 19.2M | 17.9M | -1.2M |
| UBS Group AG | Reduced | 2.1M | 1.0M | -1.1M |
| Topline Capital Management, LLC | New | 0 | 1.1M | +1.1M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 1.9M | 2.8M | +849.9K |
| ALLIANCEBERNSTEIN L.P. | Increased | 187.1K | 1.0M | +842.1K |
| PANAGORA ASSET MANAGEMENT INC | Increased | 305.2K | 1.1M | +788.6K |
| FRANKLIN RESOURCES INC | Increased | 148.7K | 899.4K | +750.7K |
| TWO SIGMA INVESTMENTS, LP | Increased | 2.7M | 3.5M | +739.6K |
| CITADEL ADVISORS LLC | New | 0 | 736.7K | +736.7K |
| AMERIPRISE FINANCIAL INC | Increased | 454.1K | 1.2M | +705.5K |
| CITIGROUP INC | Increased | 31.6K | 678.6K | +647.0K |
| BlackRock, Inc. | Increased | 21.6M | 22.2M | +639.7K |
| Assenagon Asset Management S.A. | Reduced | 1.3M | 630.1K | -621.0K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 3.7M | 4.3M | +560.6K |
| STATE STREET CORP | Increased | 4.2M | 4.8M | +539.1K |
| Driehaus Capital Management LLC | Reduced | 961.6K | 424.6K | -537.0K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 782.6K | 279.4K | -503.2K |
| Senvest Management, LLC | Increased | 4.1M | 4.6M | +500.0K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 4.6M | 5.1M | +481.6K |
| GOLDMAN SACHS GROUP INC | Reduced | 2.8M | 2.3M | -450.8K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 8.1M | 8.6M | +431.6K |
| Informed Momentum Co LLC | New | 0 | 405.1K | +405.1K |
| Amova Asset Management Americas, Inc. | Reduced | 4.5M | 4.1M | -384.1K |
| Sumitomo Mitsui Trust Group, Inc. | Reduced | 4.5M | 4.1M | -377.1K |
| BANK OF AMERICA CORP /DE/ | Reduced | 1.2M | 868.5K | -349.9K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 430.2K | 108.5K | -321.7K |
| SILVERARC CAPITAL MANAGEMENT, LLC | Increased | 3.2M | 3.5M | +296.2K |
| MORGAN STANLEY | Increased | 826.0K | 1.1M | +292.3K |
| BOOTHBAY FUND MANAGEMENT, LLC | New | 0 | 247.7K | +247.7K |
| Susquehanna Portfolio Strategies, LLC | New | 0 | 244.7K | +244.7K |
| SEI INVESTMENTS CO | Increased | 34.7K | 274.6K | +240.0K |
| LAZARD ASSET MANAGEMENT LLC | Sold Out | 237.7K | 0 | -237.7K |
| AQR CAPITAL MANAGEMENT LLC | Reduced | 2.1M | 1.9M | -235.0K |
| Point72 Asset Management, L.P. | New | 0 | 228.2K | +228.2K |
| Connor, Clark & Lunn Investment Management Ltd. | Reduced | 686.9K | 469.9K | -217.0K |
| NORTHERN TRUST CORP | Increased | 1.5M | 1.7M | +212.9K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | New | 0 | 210.1K | +210.1K |
| FMR LLC | Increased | 1.2M | 1.4M | +206.9K |
| LEVIN CAPITAL STRATEGIES, L.P. | Reduced | 253.1K | 48.6K | -204.4K |
| Russell Investments Group, Ltd. | Increased | 466.0K | 665.2K | +199.2K |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Reduced | 4.2M | 4.1M | -164.2K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | New | 0 | 153.7K | +153.7K |
| HSBC HOLDINGS PLC | Reduced | 231.4K | 98.6K | -132.7K |
| XTX Topco Ltd | Reduced | 210.3K | 81.1K | -129.2K |
| Integrated Quantitative Investments LLC | New | 0 | 127.3K | +127.3K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 1.3M | 1.4M | +123.2K |
| GSA CAPITAL PARTNERS LLP | Sold Out | 117.6K | 0 | -117.6K |
| EntryPoint Capital, LLC | Increased | 39.9K | 153.8K | +113.9K |
| Centiva Capital, LP | New | 0 | 109.8K | +109.8K |
| WELLS FARGO & COMPANY/MN | Increased | 94.6K | 203.3K | +108.7K |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | 1.1M | 998.8K | -108.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 1.6M | 1.7M | +103.5K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Reduced | 225.0K | 125.0K | -100.0K |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 578.9K | 671.7K | +92.8K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.