Cerus
CERS
168 hedge funds and large institutions have $276M invested in Cerus in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 59 increasing their positions, 54 reducing their positions, and 14 closing their positions.
79% more first-time investments, than exits
New positions opened: 25 | Existing positions closed: 14
4% more funds holding
Funds holding: 161 → 168 (+7)
2.61% more ownership
Funds ownership: 76.28% → 78.89% (+2.6%)
9% more repeat investments, than reductions
Existing positions increased: 59 | Existing positions reduced: 54
8% less capital invested
Capital invested by funds: $302M → $276M (-$25.6M)
60% less call options, than puts
Call options by funds: $107K | Put options by funds: $266K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
+$14.7M |
| 2 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$2.1M |
| 3 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
+$2.09M |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$2.08M |
| 5 |
Two Sigma Investments
New York
|
+$1.93M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$2.43M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$2.06M |
| 3 |
Barclays
London,
United Kingdom
|
-$1.35M |
| 4 |
Millennium Management
New York
|
-$1.17M |
| 5 |
N
Nuveen
Charlotte,
North Carolina
|
-$975K |
CERS Hedge Fund Activity: Q1 2026 in Review
168 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Cerus (CERS) for Q1 2026, worth a combined $276M — down 8.5% from $302M a quarter earlier.
Buyers outnumbered sellers: 25 funds opened new CERS positions and 14 closed out — a net gain of 11 holders — while 59 added to existing stakes and 54 trimmed.
The largest buyer was Soleus Capital Management, adding an estimated $14.7M. The largest seller was Morgan Stanley, cutting an estimated $2.43M.
- 168 institutional investors held Cerus (CERS) as of Q1 2026, up from 161 in Q4 2025.
- Funds reported $276M of Cerus stock for Q1 2026, down 8.5% quarter-over-quarter.
- 25 funds opened new Cerus positions in Q1 2026 and 14 closed out, a net change of +11 holders.
- The largest Cerus buyer in Q1 2026 was Soleus Capital Management, an estimated $14.7M added.
- The largest Cerus seller in Q1 2026 was Morgan Stanley, an estimated $2.43M sold.
Based on aggregated 13F filings for Q1 2026.