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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 %
AC
1
Avenir Corporation
Virginia
$6.47M 5,058,537 +13,619 +0.3%
SC
2
Skylands Capital
Wisconsin
$3.35M 2,616,715 -385,987 -13%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.72M 2,124,759 +175,208 +9%
Neuberger Berman Group
4
Neuberger Berman Group
New York
$2.03M 1,591,689 -87,939 -5%
CM
5
CM Management
Florida
$1.6M 1,250,000 +295,924 +31%
BlackRock
6
BlackRock
New York
$954K 745,613 +118,308 +19%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$770K 601,451 -12,404 -2%
SIG
8
Sargent Investment Group
Maryland
$673K 746,200 -77,300 -9%
State Street
9
State Street
Massachusetts
$204K 159,293 – –
UBS Group
10
UBS Group
Switzerland
$157K 122,332 +7,132 +6%
Renaissance Technologies
11
Renaissance Technologies
New York
$149K 116,639 -108,615 -48%
Raymond James Financial
12
Raymond James Financial
Florida
$139K 108,589 -1,751 -2%
Morgan Stanley
13
Morgan Stanley
New York
$135K 105,410 -297 -0.3%
Osaic Holdings
14
Osaic Holdings
Arizona
$125K 127,220 -36,528 -22%
Northern Trust
15
Northern Trust
Illinois
$117K 91,560 – –
KCFA
16
Key Client Fiduciary Advisors
New Jersey
$100K 78,457 – –
KAS
17
Kestra Advisory Services
Texas
$90.7K 70,880 – –
Stifel Financial
18
Stifel Financial
Missouri
$61.4K 48,000 – –
Goldman Sachs
19
Goldman Sachs
New York
$59.9K 46,796 -15,866 -25%
Bank of America
20
Bank of America
North Carolina
$50K 39,074 -4,905 -11%
EWA
21
EP Wealth Advisors
California
$35.8K 28,000 – –
AFG
22
Atomi Financial Group
New York
$35.1K 27,443 -200 -0.7%
Creative Planning
23
Creative Planning
Kansas
$28.3K 22,115 -1,000 -4%
SAM
24
Seelaus Asset Management
New Jersey
$23.4K 18,300 – –
SEI Investments
25
SEI Investments
Pennsylvania
$22.9K 17,930 -8,613 -32%
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