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Cytosorbents Corp
CTSO

Overview Fund Activity

48 hedge funds and large institutions have $16.9M invested in Cytosorbents Corp in 2025 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 18 increasing their positions, 9 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
48
Holders Change
-2
Holders Change %
-4%
% of All Funds
0.65%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
18
Reduced
9
Closed
9
Calls
$8K
Puts
$7K
Net Calls
+$1K
Net Calls Change
-$14K

Top Buyers

1
AC
1
Avenir Corporation
Virginia
$5.04M
2
CM
2
CM Management
Florida
$954K
3
SC
3
Skylands Capital
Wisconsin
$3M
4
Geode Capital Management
4
Geode Capital Management
Massachusetts
$614K
5
Renaissance Technologies
5
Renaissance Technologies
New York
$225K

Top Sellers

1
GIM
1
Granahan Investment Management
Massachusetts
$358K
2
SIG
2
Sargent Investment Group
Maryland
$824K
3
EGM
3
Engineers Gate Manager
New York
$0
4
CCC
4
Cable Car Capital
California
$0
5
Millennium Management
5
Millennium Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
OIA
51
OneDigital Investment Advisors
Kansas
– -$13.7K -15,000 Closed
JIC
52
Johnson Investment Counsel
Ohio
– -$10.5K -11,534 Closed
HF
53
HRT Financial
New York
– -$10K -11,509 Closed
Jane Street
54
Jane Street
New York
– -$9.23K -10,147 Closed
NWWA
55
New Wave Wealth Advisors
Arkansas
– -$1.48K -1,631 Closed
1 2
3