CytosorbentsCTSO

13F holders, Q4 2024 (December 31)
51holders −2
9new positions
12sold out
2famous investors
$0.92avg. 13F price*

At the end of Q4 2024, 51 institutions reported holding Cytosorbents Corp. (CTSO) in their 13F filings, down 2 from Q3 2024. 9 opened new positions and 12 sold out. The largest holders were Avenir Corp. ($2.8M), Skylands Capital, LLC ($2.5M) and Vanguard Group Inc. ($1.8M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management'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 Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions9$167K
Exits12$382K

All 13F filers, Q3 2024 → Q4 2024: 581,468 shares bought and 1,741,923 shares sold, net −1,160,455 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 51 holders

Avenir Corp. 0.29% Add +4.0% 3,093,946 $2.8M
Skylands Capital, LLC 0.35% Add +0.9% 2,781,622 $2.5M
Vanguard Group Inc. 0.00% No change 1,949,551 $1.8M
Neuberger Berman Group LLC 0.00% Reduce -5.6% 1,681,883 $1.5M
Sargent Investment Group, LLC 0.21% Reduce -23.2% 1,248,863 $1.3M
Granahan Investment Management, LLC 0.05% Reduce -42.5% 1,204,580 $1.1M
CM Management, LLC 0.57% Reduce -12.5% 700,000 $637K
BlackRock, Inc. 0.00% No change 627,305 $571K
Geode Capital Management, LLC 0.00% Add +1.5% 474,153 $432K
CIBC Private Wealth Group LLC 0.00% No change 172,649 $167K
State Street Corp. 0.00% Add +13.5% 159,293 $145K
UBS Group AG 0.00% Add +5536.9% 144,925 $132K
Osaic Holdings, Inc. 0.00% Add +3.9% 127,220 $116K
Raymond James Financial Inc. 0.00% — 108,621 $99K
Morgan Stanley 0.00% Reduce -6.5% 106,625 $97K
Northern Trust Corp. 0.00% Add +22.3% 91,560 $83K
Renaissance Technologies 0.00% Add +10.6% 88,020 $80K
Kestra Advisory Services, LLC 0.00% Add +316.7% 55,000 $50K
Engineers Gate Manager LP 0.00% New 52,751 $48K
Cable Car Capital, LP 0.00% New 50,000 $46K
Stifel Financial Corp. 0.00% Add +6.7% 48,000 $44K
Key Client Fiduciary Advisors, LLC 0.01% No change 34,557 $31K
Bank of America Corp. 0.00% Add +0.0% 34,451 $31K
Millennium Management 0.00% New 33,280 $30K
EP Wealth Advisors, LLC 0.00% No change 28,000 $25K
Compound Planning, Inc. 0.00% Reduce -20.0% 27,443 $25K
Goldman Sachs Group Inc. 0.00% New 25,143 $23K
XTX Topco Ltd 0.00% Add +52.4% 22,792 $21K
Creative Planning 0.00% No change 21,295 $19K
Seelaus Asset Management LLC 0.02% No change 18,800 $17K
Sei Investments Co. 0.00% Reduce -14.5% 15,560 $14K
Country Club Bank 0.00% No change 15,225 $14K
Merit Financial Group, LLC 0.00% No change 15,000 $14K
OneDigital Investment Advisors LLC 0.00% No change 15,000 $14K
Chicago Partners Investment Group LLC 0.00% Reduce -9.2% 13,614 $13K
Johnson Investment Counsel Inc. 0.00% Reduce -9.9% 11,534 $10K
HRT Financial LP 0.00% New 11,509 $10K
Jane Street Group, LLC 0.00% New 10,147 $9K
Comerica Bank 0.00% Add +31.8% 3,687 $3K
Hexagon Capital Partners LLC 0.00% No change 3,333 $3K
Tower Research Capital LLC (TRC) 0.00% Reduce -29.7% 2,095 $2K
New Wave Wealth Advisors LLC 0.00% New 1,631 $1K
JPMorgan Chase & Co. 0.00% Add +32.8% 494 $450
Your Advocates Ltd., LLP 0.00% No change 250 $228
Wells Fargo & Company 0.00% No change 250 $228
MAI Capital Management 0.00% New 103 $94
SBI Securities Co., Ltd. 0.00% — 100 $91
Medallion Wealth Advisors, LLC 0.00% — 45 $41
PNC Financial Services Group, Inc. 0.00% No change 31 $28
BNP Paribas Financial Markets 0.00% No change 3 $3
Simplex Trading, LLC 0.00% New 313 $0

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