Cerus
CERS
156 hedge funds and large institutions have $206M invested in Cerus in 2025 Q2 according to their latest regulatory filings, with 20 funds opening new positions, 54 increasing their positions, 51 reducing their positions, and 19 closing their positions.
700% more call options, than puts
Call options by funds: $352K | Put options by funds: $44K
6% more repeat investments, than reductions
Existing positions increased: 54 | Existing positions reduced: 51
5% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 19
1% more funds holding
Funds holding: 155 → 156 (+1)
2% less capital invested
Capital invested by funds: $209M → $206M (-$3.14M)
4.48% less ownership
Funds ownership: 80.89% → 76.41% (-4.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$7.78M |
| 2 |
AQR Capital Management
Greenwich,
Connecticut
|
+$1.03M |
| 3 |
Acadian Asset Management
Boston,
Massachusetts
|
+$978K |
| 4 |
Goldman Sachs
New York
|
+$787K |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$610K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BBA
Baker Bros. Advisors
New York
|
-$8.62M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$2.24M |
| 3 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$1.93M |
| 4 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$1.03M |
| 5 |
Renaissance Technologies
New York
|
-$805K |
CERS Hedge Fund Activity: Q2 2025 in Review
156 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Cerus (CERS) for Q2 2025, worth a combined $206M — down 1.5% from $209M a quarter earlier.
Buyers outnumbered sellers: 20 funds opened new CERS positions and 19 closed out — a net gain of 1 holder — while 54 added to existing stakes and 51 trimmed.
The largest buyer was BlackRock, adding an estimated $7.78M. The largest seller was Baker Bros. Advisors, cutting an estimated $8.62M.
- 156 institutional investors held Cerus (CERS) as of Q2 2025, up from 155 in Q1 2025.
- Funds reported $206M of Cerus stock for Q2 2025, down 1.5% quarter-over-quarter.
- 20 funds opened new Cerus positions in Q2 2025 and 19 closed out, a net change of +1 holder.
- The largest Cerus buyer in Q2 2025 was BlackRock, an estimated $7.78M added.
- The largest Cerus seller in Q2 2025 was Baker Bros. Advisors, an estimated $8.62M sold.
Based on aggregated 13F filings for Q2 2025.