Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in CERS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 22.2M | $64.9M | +3.0% | 11.087% | 0.00% |
| 2 | ARK Investment Management LLC | 17.9M | $52.4M | -6.4% | 8.950% | 0.34% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 8.6M | $25.0M | +5.3% | 4.274% | 0.00% |
| 4 | BAKER BROS. ADVISORS LP | 6.4M | $18.7M | -36.1% | 3.192% | 0.09% |
| 5 | D. E. Shaw & Co., Inc. | 5.5M | $16.0M | +47.0% | 2.738% | 0.01% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 5.1M | $15.0M | +10.4% | 2.555% | 0.00% |
| 7 | STATE STREET CORP | 4.8M | $13.9M | +12.8% | 2.373% | 0.00% |
| 8 | Senvest Management, LLC | 4.6M | $13.5M | +12.2% | 2.303% | 0.40% |
| 9 | Sumitomo Mitsui Trust Group, Inc. | 4.1M | $12.1M | -8.3% | 2.066% | 0.01% |
| 10 | Amova Asset Management Americas, Inc. | 4.1M | $12.1M | -8.5% | 2.063% | 0.16% |
| 11 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 4.1M | $11.9M | -3.9% | 2.035% | 0.08% |
| 12 | TWO SIGMA INVESTMENTS, LP | 3.5M | $10.2M | +26.9% | 1.739% | 0.01% |
| 13 | SILVERARC CAPITAL MANAGEMENT, LLC | 3.5M | $10.1M | +9.3% | 1.733% | 1.05% |
| 14 | WASATCH ADVISORS LP | 3.4M | $9.9M | -35.9% | 1.689% | 0.06% |
| 15 | MACKENZIE FINANCIAL CORP | 3.0M | $8.8M | +7271.1% | 1.499% | 0.01% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.8M | $8.1M | +44.3% | 1.382% | 0.00% |
| 17 | Soleus Capital Management, L.P. | 2.5M | $7.3M | -76.8% | 1.248% | 0.25% |
| 18 | IEQ CAPITAL, LLC | 2.4M | $7.0M | -1.5% | 1.201% | 0.03% |
| 19 | GOLDMAN SACHS GROUP INC | 2.3M | $6.8M | -16.3% | 1.157% | 0.00% |
| 20 | AQR CAPITAL MANAGEMENT LLC | 1.9M | $5.5M | -11.1% | 0.937% | 0.00% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7M | $5.1M | +6.3% | 0.865% | 0.00% |
| 22 | NORTHERN TRUST CORP | 1.7M | $5.0M | +14.3% | 0.847% | 0.00% |
| 23 | ALGERT GLOBAL LLC | 1.5M | $4.4M | +1154.3% | 0.744% | 0.05% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 1.4M | $4.2M | +9.4% | 0.712% | 0.00% |
| 25 | FMR LLC | 1.4M | $4.1M | +17.2% | 0.705% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CERS — a direct measure of their conviction.
Filings activity in CERS during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 186 | +9.4% | 75.12% | 0.66 pp | $425M | +58% |
| Q1 2026 | 170 | +8.3% | 75.78% | +2.72 pp | $269M | 8.1% |
| Q4 2025 | 157 | +4.7% | 73.06% | +2.12 pp | $293M | +33% |
| Q3 2025 | 150 | 3.2% | 70.94% | 4.55 pp | $220M | +11% |
| Q2 2025 | 155 | +0.0% | 75.49% | 1.41 pp | $198M | 0.7% |
| Q1 2025 | 155 | +2.6% | 76.90% | +1.59 pp | $199M | 8.3% |
| Q4 2024 | 151 | +2.7% | 75.31% | +1.50 pp | $217M | 13% |
| Q3 2024 | 147 | — | 73.81% | — | $250M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CERS stock.
Based on Q2 2026 13F filings, institutional ownership of Cerus Corporation stands at 75.1%, held across 186 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of CERS, with approximately 22,215,127 shares worth $0.06B as of Q2 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of CERS, including ARK Investment Management LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for CERS is 55 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
35 institutions opened new positions in CERS during Q2 2026, while 17 fully exited. 130 added to existing positions and 19 trimmed.
CERS institutional ownership fell by 0.66 percentage points quarter-over-quarter, with a net change of +16 holders.
The top 10 institutions account for 57.3% of all reported 13F value in CERS, and the top 25 account for 82.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Cerus Corporation (CERS) Institutional Ownership