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Of the 13 tracked institutions holding CERS, 6 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +4.9pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, CERS (CERUS CORP) is held with a combined value of $190.85M across 69,059,161 shares. The largest holder is BlackRock, Inc. with a position worth $64.87M. 2 funds opened new positions in the most recent quarter. 7 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$190.85M
Total Shares Held
69,059,161
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $64.87M | 0.00% | +3.0% |
| 2 | ARK Investment Management LLC | $52.36M | 0.34% | -6.4% |
| 3 | VANGUARD GROUP INC | $23.00M | 0.00% | +3.5% |
| 4 | BAKER BROS. ADVISORS LP | $18.67M | 0.09% | -36.1% |
| 5 | STATE STREET CORP | $13.88M | 0.00% | +12.8% |
| 6 | AQR CAPITAL MANAGEMENT LLC | $5.48M | 0.00% | -11.1% |
| 7 | FMR LLC | $4.13M | 0.00% | +17.2% |
| 8 | TWO SIGMA ADVISERS, LP | $2.88M | 0.01% | +43.5% |
| 9 | CITADEL ADVISORS LLC | $2.15M | 0.00% | New |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $1.96M | 0.00% | +16.0% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CERS with a position worth $64.87M, representing 0.00% of their portfolio. In total, 13 institutional investors hold CERS with a combined value of $190.85M.
In the most recent quarter, 2 funds opened a new position in CERS. Additionally, 7 increased their holdings and 4 reduced their positions.
Institutional investors hold $190.85M worth of CERS stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $64.87M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CERS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CERS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-14 |
| 1.2% | 2026-08-13 |
SEC Schedule 13D (activist) and 13G (passive) filings for CERS. Filed when an investor acquires 5%+ ownership.
Last Close
$2.18
2026-10-16
YTD
+10.7%
41% of 52-week range
