Cerus
CERS
185 hedge funds and large institutions have $438M invested in Cerus in 2026 Q2 according to their latest regulatory filings, with 35 funds opening new positions, 72 increasing their positions, 52 reducing their positions, and 17 closing their positions.
206% more call options, than puts
Call options by funds: $508K | Put options by funds: $166K
106% more first-time investments, than exits
New positions opened: 35 | Existing positions closed: 17
59% more capital invested
Capital invested by funds: $276M → $438M (+$162M)
38% more repeat investments, than reductions
Existing positions increased: 72 | Existing positions reduced: 52
9% more funds holding
Funds holding: 169 → 185 (+16)
3.85% less ownership
Funds ownership: 78.9% → 75.04% (-3.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mackenzie Financial
Toronto Ontario,
Ontario, Canada
|
+$7.18M |
| 2 |
D.E. Shaw & Co
New York
|
+$4.26M |
| 3 |
AG
Algert Global
San Francisco,
California
|
+$3.33M |
| 4 |
TCM
Topline Capital Management
Santa Monica,
California
|
+$2.55M |
| 5 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
+$2.06M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SCM
Soleus Capital Management
Greenwich,
Connecticut
|
-$20M |
| 2 |
BBA
Baker Bros. Advisors
New York
|
-$8.76M |
| 3 |
WA
Wasatch Advisors
Salt Lake City,
Utah
|
-$4.6M |
| 4 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$2.98M |
| 5 |
UBS Group
Zurich,
Switzerland
|
-$2.66M |
CERS Hedge Fund Activity: Q2 2026 in Review
185 of the 8,350 institutional investors tracked by Wall St. Rank reported a position in Cerus (CERS) for Q2 2026, worth a combined $438M — up 59% from $276M a quarter earlier.
Buyers outnumbered sellers: 35 funds opened new CERS positions and 17 closed out — a net gain of 18 holders — while 72 added to existing stakes and 52 trimmed.
The largest buyer was Mackenzie Financial, adding an estimated $7.18M. The largest seller was Soleus Capital Management, cutting an estimated $20M.
- 185 institutional investors held Cerus (CERS) as of Q2 2026, up from 169 in Q1 2026.
- Funds reported $438M of Cerus stock for Q2 2026, up 59% quarter-over-quarter.
- 35 funds opened new Cerus positions in Q2 2026 and 17 closed out, a net change of +18 holders.
- The largest Cerus buyer in Q2 2026 was Mackenzie Financial, an estimated $7.18M added.
- The largest Cerus seller in Q2 2026 was Soleus Capital Management, an estimated $20M sold.
Based on aggregated 13F filings for Q2 2026.