Cerus
CERS
161 hedge funds and large institutions have $302M invested in Cerus in 2025 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 61 increasing their positions, 52 reducing their positions, and 15 closing their positions.
184% more call options, than puts
Call options by funds: $244K | Put options by funds: $86K
60% more first-time investments, than exits
New positions opened: 24 | Existing positions closed: 15
34% more capital invested
Capital invested by funds: $226M → $302M (+$75.9M)
17% more repeat investments, than reductions
Existing positions increased: 61 | Existing positions reduced: 52
4% more funds holding
Funds holding: 155 → 161 (+6)
2.25% more ownership
Funds ownership: 74.02% → 76.27% (+2.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
+$6.93M |
| 2 |
BlackRock
New York
|
+$1.63M |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$1.37M |
| 4 |
Two Sigma Investments
New York
|
+$1.24M |
| 5 |
SAM
Silvercrest Asset Management
New York
|
+$974K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$4.34M |
| 2 |
NAMA
Nikko Asset Management Americas
New York
|
-$1.69M |
| 3 |
Sumitomo Mitsui Trust Group
Minato-Ku, Tokyo,
Japan
|
-$1.69M |
| 4 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$1.13M |
| 5 |
BIP
Bouvel Investment Partners
Phoenixville,
Pennsylvania
|
-$789K |
CERS Hedge Fund Activity: Q4 2025 in Review
161 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Cerus (CERS) for Q4 2025, worth a combined $302M — up 34% from $226M a quarter earlier.
Buyers outnumbered sellers: 24 funds opened new CERS positions and 15 closed out — a net gain of 9 holders — while 61 added to existing stakes and 52 trimmed.
The largest buyer was Soleus Capital Management, opening a new position worth an estimated $6.93M. The largest seller was Millennium Management, cutting an estimated $4.34M.
- 161 institutional investors held Cerus (CERS) as of Q4 2025, up from 155 in Q3 2025.
- Funds reported $302M of Cerus stock for Q4 2025, up 34% quarter-over-quarter.
- 24 funds opened new Cerus positions in Q4 2025 and 15 closed out, a net change of +9 holders.
- The largest Cerus buyer in Q4 2025 was Soleus Capital Management, an estimated $6.93M added.
- The largest Cerus seller in Q4 2025 was Millennium Management, an estimated $4.34M sold.
Based on aggregated 13F filings for Q4 2025.