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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, 52 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

700% more call options, than puts

Call options by funds: $352K | Put options by funds: $44K

5% more first-time investments, than exits

New positions opened: 20 | Existing positions closed: 19

4% more repeat investments, than reductions

Existing positions increased: 54 | Existing positions reduced: 52

1% more funds holding

Funds holding: 155 → 156 (+1)

2% less capital invested

Capital invested by funds: $209M → $206M (-$3.15M)

4.48% less ownership

Funds ownership: 80.89% → 76.41% (-4.5%)

Holders
156
Holders Change
+1
Holders Change %
+0.65%
% of All Funds
2.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
20
Increased
54
Reduced
52
Closed
19
Calls
$352K
Puts
$44K
Net Calls
+$308K
Net Calls Change
+$214K

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$7.78M
2
AQR Capital Management
AQR Capital Management
Connecticut
+$1.03M
3
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$978K
4
Goldman Sachs
Goldman Sachs
New York
+$787K
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$610K

Top Sellers

Rank Fund Capital Flow
1
BBA
Baker Bros. Advisors
New York
-$8.62M
2
Bank of America
Bank of America
North Carolina
-$2.24M
3
AIM
ARK Investment Management
Florida
-$1.93M
4
GCP
GSA Capital Partners
United Kingdom
-$1.03M
5
Renaissance Technologies
Renaissance Technologies
New York
-$805K
Name Holding Trade Value Shares
Change 		Change in
Stake
PFBT
151
Parkside Financial Bank & Trust
Missouri
$501 +$473 +355 New
CMBA
152
C.M. Bidwell & Associates
Hawaii
$271 – – –
CIA
153
Cape Investment Advisory
Georgia
$141 – – –
Northwestern Mutual Wealth Management
154
Northwestern Mutual Wealth Management
Wisconsin
$3 +$3 +2 New
US Bancorp
155
US Bancorp
Minnesota
– -$236K -170,000 Closed
AF
156
Avanza Fonder
Sweden
– -$154K -110,315 Closed
QT
157
Quantbot Technologies
New York
– -$137K -98,801 Closed
Franklin Resources
158
Franklin Resources
California
– -$130K -93,700 Closed
CF
159
Corebridge Financial
Texas
– -$123K -88,399 Closed
DM
160
Deerfield Management
New York
– -$62.1K -44,693 Closed
Squarepoint
161
Squarepoint
New York
– -$58.1K -41,765 Closed
DTL
162
Dynamic Technology Lab
Singapore
– -$32K -23,332 Closed
HF
163
HRT Financial
New York
– -$28K -20,727 Closed
Cambridge Investment Research Advisors
164
Cambridge Investment Research Advisors
Iowa
– -$29K -20,560 Closed
MFG
165
Merit Financial Group
Georgia
– -$24.5K -17,647 Closed
CWM
166
CIBC World Markets
New York
– -$23K -17,281 -43%
SP
167
SIH Partners
Delaware
– -$21.7K -15,602 Closed
Optiver Holding
168
Optiver Holding
Netherlands
– -$3.3K -2,374 Closed
CIAM
169
Caitong International Asset Management
Hong Kong
– -$2.49K -1,790 Closed
GWSA
170
Global Wealth Strategies & Associates
Colorado
– -$1.39K -1,000 Closed
FFA
171
Farther Finance Advisors
California
– -$1K -725 Closed
S
172
SignatureFD
Georgia
– -$632 -455 Closed
PNC Financial Services Group
173
PNC Financial Services Group
Pennsylvania
– -$391 -281 Closed
C
174
Covestor
United Kingdom
– -$3 -2 -5%
ACM
175
Aquatic Capital Management
Illinois
– -$1 -1 Closed
3 4 5 6
7

CERS Hedge Fund Activity: Q2 2025 in Review

156 of the 7,596 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 52 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.