CytosorbentsCTSO

13F holders, Q2 2025 (June 30)
45holders −4
3new positions
7sold out
1famous investor
$1.26avg. 13F price*

At the end of Q2 2025, 45 institutions reported holding Cytosorbents Corp. (CTSO) in their 13F filings, down 4 from Q1 2025. 3 opened new positions and 7 sold out. The largest holders were Avenir Corp. ($6.5M), Skylands Capital, LLC ($3.3M) and Vanguard Group Inc. ($2.7M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Cytosorbents Corp.
CUSIP
23283X206
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q1 2024: 50Q1 2024Q2 2024: 50Q2 2024Q3 2024: 53Q3 2024Q4 2024: 51Q4 2024Q1 2025: 49Q1 2025Q2 2025: 45Q2 2025Q3 2025: 49Q3 2025Q4 2025: 51Q4 2025Q1 2026: 50Q1 2026Q2 2026: 50Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions3$170K
Exits7$468K

All 13F filers, Q1 2025 → Q2 2025: 743,655 shares bought and 1,241,908 shares sold, net −498,253 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 45 holders

Avenir Corp. 0.67% Add +0.3% 5,058,537 $6.5M
Skylands Capital, LLC 0.49% Reduce -12.8% 2,616,715 $3.3M
Vanguard Group Inc. 0.00% Add +9.0% 2,124,759 $2.7M
Neuberger Berman Group LLC 0.00% Reduce -5.2% 1,591,689 $2.0M
CM Management, LLC 1.46% Add +31.0% 1,250,000 $1.6M
BlackRock, Inc. 0.00% Add +18.9% 745,613 $954K
Geode Capital Management, LLC 0.00% Reduce -2.0% 601,451 $770K
Sargent Investment Group, LLC 0.09% Reduce -9.4% 746,200 $673K
CIBC Private Wealth Group LLC 0.00% No change 172,649 $221K
State Street Corp. 0.00% No change 159,293 $204K
Susquehanna International Group, LLP 0.00% New 131,853 $169K
Osaic Holdings, Inc. 0.00% Reduce -20.4% 130,419 $167K
UBS Group AG 0.00% Add +6.2% 122,332 $157K
Renaissance Technologies 0.00% Reduce -48.2% 116,639 $149K
Raymond James Financial Inc. 0.00% Reduce -1.6% 108,589 $139K
Morgan Stanley 0.00% Reduce -0.3% 105,410 $135K
NWF Advisory Services Inc. 0.02% No change 104,139 $133K
Northern Trust Corp. 0.00% No change 91,560 $117K
Key Client Fiduciary Advisors, LLC 0.04% No change 78,457 $100K
Kestra Advisory Services, LLC 0.00% No change 70,880 $91K
Stifel Financial Corp. 0.00% No change 48,000 $61K
Goldman Sachs Group Inc. 0.00% Reduce -25.3% 46,796 $60K
Bank of America Corp. 0.00% Reduce -11.2% 39,074 $50K
EP Wealth Advisors, LLC 0.00% No change 28,000 $36K
Compound Planning, Inc. 0.00% Reduce -0.7% 27,443 $35K
Creative Planning 0.00% Reduce -4.3% 22,115 $28K
Seelaus Asset Management LLC 0.02% No change 18,300 $23K
Sei Investments Co. 0.00% Reduce -32.5% 17,930 $23K
Merit Financial Group, LLC 0.00% Add +1.4% 15,297 $20K
Country Club Bank 0.00% No change 15,225 $19K
Squarepoint Ops LLC 0.00% Reduce -71.1% 11,712 $15K
Chicago Partners Investment Group LLC 0.00% Reduce -8.6% 12,281 $13K
Comerica Bank 0.00% Reduce -9.3% 3,000 $4K
N.E.W. Advisory Services LLC 0.00% No change 2,720 $3K
Tower Research Capital LLC (TRC) 0.00% Reduce -72.0% 1,538 $2K
Royal Bank of Canada 0.00% New 800 $1K
Wells Fargo & Company 0.00% Add +192.0% 730 $934
JPMorgan Chase & Co. 0.00% Reduce -23.3% 372 $476
Your Advocates Ltd., LLP 0.00% No change 250 $320
MAI Capital Management 0.00% No change 233 $299
SBI Securities Co., Ltd. 0.00% No change 100 $128
Medallion Wealth Advisors, LLC 0.00% No change 45 $58
PNC Financial Services Group, Inc. 0.00% No change 31 $40
BNP Paribas Financial Markets 0.00% Add +566.7% 20 $26
Simplex Trading, LLC 0.00% New 100 $0

"% of holder's portfolio" is CTSO's weight in each manager's 13F, not the share of Cytosorbents Corp. the manager owns.