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Cytosorbents Corp
CTSO

Overview Fund Activity

41 hedge funds and large institutions have $20.2M invested in Cytosorbents Corp in 2025 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 8 increasing their positions, 18 reducing their positions, and 7 closing their positions.

Holders
41
Holders Change
-7
Holders Change %
-14.58%
% of All Funds
0.55%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
8
Reduced
18
Closed
7
Calls
$37K
Puts
–
Net Calls
+$37K
Net Calls Change
+$36K

Top Buyers

1
CM
1
CM Management
Florida
$1.6M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$2.72M
3
BlackRock
3
BlackRock
New York
$954K
4
AC
4
Avenir Corporation
Virginia
$6.47M
5
UBS Group
5
UBS Group
Switzerland
$157K

Top Sellers

1
SC
1
Skylands Capital
Wisconsin
$3.35M
2
GIM
2
Granahan Investment Management
Massachusetts
$0
3
Renaissance Technologies
3
Renaissance Technologies
New York
$149K
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$2.03M
5
SIG
5
Sargent Investment Group
Maryland
$673K
Name Market Value Shares Shares
Change 		Shares
Change %
MFG
26
Merit Financial Group
Georgia
$19.6K 15,297 +214 +1%
CCB
27
Country Club Bank
Missouri
$18.7K 15,225 – –
Squarepoint
28
Squarepoint
New York
$15K 11,712 -28,837 -71%
CPIG
29
Chicago Partners Investment Group
Illinois
$12.5K 12,281 -1,162 -9%
Comerica Bank
30
Comerica Bank
Texas
$3.84K 3,000 -307 -9%
NEWAS
31
N.E.W. Advisory Services
Wisconsin
$3.48K 2,720 – –
TRCT
32
Tower Research Capital (TRC)
New York
$1.97K 1,538 -3,965 -72%
Royal Bank of Canada
33
Royal Bank of Canada
Ontario, Canada
$1K 800 +800 New
Wells Fargo
34
Wells Fargo
California
$934 730 +480 +192%
JPMorgan Chase & Co
35
JPMorgan Chase & Co
New York
$476 372 -113 -23%
YAL
36
Your Advocates Ltd
Texas
$320 250 – –
MCM
37
MAI Capital Management
Ohio
$299 233 – –
SS
38
SBI Securities
Japan
$128 100 – –
PNC Financial Services Group
39
PNC Financial Services Group
Pennsylvania
$40 31 – –
BNP Paribas Financial Markets
40
BNP Paribas Financial Markets
France
$26 20 +17 +567%
GIM
41
Granahan Investment Management
Massachusetts
– – -358,418 Closed
GCP
42
GSA Capital Partners
United Kingdom
– – -53,030 Closed
XT
43
XTX Topco
Cayman Islands
– – -30,113 Closed
TSS
44
Two Sigma Securities
New York
– – -15,287 Closed
Citadel Advisors
45
Citadel Advisors
Florida
– – -8,183 Closed
HCP
46
Hexagon Capital Partners
Arkansas
– – -3,333 Closed
Lazard Asset Management
47
Lazard Asset Management
New York
– – -954 Closed
Simplex Trading
48
Simplex Trading
Illinois
$0 100 +100 New
1
2