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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.

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 Market Value Shares Shares
Change 		Shares
Change %
AC
1
Avenir Corporation
Virginia
$5.04M 5,044,918 +1,950,972 +63%
SC
2
Skylands Capital
Wisconsin
$3M 3,002,702 +221,080 +8%
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.95M 1,949,551 – –
Neuberger Berman Group
4
Neuberger Berman Group
New York
$1.7M 1,679,628 -2,255 -0.1%
CM
5
CM Management
Florida
$954K 954,076 +254,076 +36%
SIG
6
Sargent Investment Group
Maryland
$824K 823,500 -425,363 -34%
BlackRock
7
BlackRock
New York
$627K 627,305 – –
Geode Capital Management
8
Geode Capital Management
Massachusetts
$614K 613,855 +139,702 +29%
GIM
9
Granahan Investment Management
Massachusetts
$358K 358,418 -846,162 -70%
Renaissance Technologies
10
Renaissance Technologies
New York
$225K 225,254 +137,234 +156%
CIBC Private Wealth Group
11
CIBC Private Wealth Group
Georgia
$166K 172,649 – –
Osaic Holdings
12
Osaic Holdings
Arizona
$164K 163,748 +36,528 +29%
State Street
13
State Street
Massachusetts
$159K 159,293 – –
UBS Group
14
UBS Group
Switzerland
$115K 115,200 -29,725 -21%
Raymond James Financial
15
Raymond James Financial
Florida
$110K 110,340 +1,719 +2%
Morgan Stanley
16
Morgan Stanley
New York
$106K 105,707 -918 -0.9%
NAS
17
NWF Advisory Services
California
$104K 104,139 +104,139 New
Northern Trust
18
Northern Trust
Illinois
$91.6K 91,560 – –
KCFA
19
Key Client Fiduciary Advisors
New Jersey
$78.5K 78,457 +43,900 +127%
KAS
20
Kestra Advisory Services
Texas
$70.9K 70,880 +15,880 +29%
Goldman Sachs
21
Goldman Sachs
New York
$62.7K 62,662 +37,519 +149%
GCP
22
GSA Capital Partners
United Kingdom
$53K 53,030 +53,030 New
Stifel Financial
23
Stifel Financial
Missouri
$48K 48,000 – –
Bank of America
24
Bank of America
North Carolina
$44K 43,979 +9,528 +28%
Squarepoint
25
Squarepoint
New York
$40.5K 40,549 +40,549 New
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