Cytosorbents Corp
CTSO- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001175151
In the last 90 days, Cytosorbents Corp insiders filed 4 open-market purchases and 0 sales; 50 institutions reported holding it in 13F filings for Q2 2026, worth $6.04M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Cytosorbents Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 49
- +5 vs. Q2 2025
- Shares held
- 16.3M
- −76.3K (−0.5%) vs. Q2 2025
- Total value
- $15.3M
- −$5.46M (−26.3%) vs. Q2 2025
- New holders
- 8
- 13 more added
- Sold out
- 3
- 10 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CTSO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 50 | $6.04M |
| Q1 2026 | 50 | $9.32M |
| Q4 2025 | 51 | $10.8M |
| Q3 2025 | 49 | $15.3M |
| Q2 2025 | 45 | $20.7M |
| Q1 2025 | 49 | $16.9M |
| Q4 2024 | 51 | $14.1M |
| Q3 2024 | 53 | $24.7M |
| Q2 2024 | 50 | $11.8M |
| Q1 2024 | 50 | $16.7M |
| Q4 2023 | 54 | $20.0M |
| Q3 2023 | 53 | $28.7M |
| Q2 2023 | 58 | $54.7M |
| Q1 2023 | 59 | $51.3M |
| Q4 2022 | 53 | $22.7M |
| Q3 2022 | 60 | $20.7M |
| Q2 2022 | 78 | $33.9M |
| Q1 2022 | 88 | $57.3M |
| Q4 2021 | 91 | $74.6M |
| Q3 2021 | 96 | $149.2M |
| Q2 2021 | 102 | $132.4M |
| Q1 2021 | 96 | $151.6M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Cytosorbents Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avenir Corp | 5,082,838 | $4.75M | 0.49% | +24,301+0.5% | Added |
| Vanguard Group Inc | 2,204,294 | $2.06M | 0.00% | +79,535+3.7% | Added |
| Skylands Capital, LLC | 2,127,265 | $1.99M | 0.27% | −489,450−18.7% | Reduced |
| Neuberger Berman Group LLC | 1,597,998 | $1.49M | 0.00% | +6,309+0.4% | Added |
| CM Management, LLC | 1,288,128 | $1.20M | 1.00% | +38,128+3.1% | Added |
| BlackRock, Inc. | 764,809 | $714.4K | 0.00% | +19,196+2.6% | Added |
| Sargent Investment Group, LLC | 738,700 | $690.0K | 0.10% | −7,500−1.0% | Reduced |
| Geode Capital Management, LLC | 601,451 | $562.0K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 172,649 | $161.3K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 159,293 | $148.8K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 134,805 | $125.9K | 0.00% | +18,166+15.6% | Added |
| Advisor Group Holdings, Inc. | 130,419 | $122.4K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 115,203 | $107.6K | 0.00% | −7,129−5.8% | Reduced |
| Gsa Capital Partners LLP | 112,217 | $105.0K | 0.01% | +112,217 | New |
| Raymond James Financial Inc | 108,721 | $101.6K | 0.00% | +132+0.1% | Added |
| Morgan Stanley | 107,256 | $100.2K | 0.00% | +1,846+1.8% | Added |
| NWF Advisory Services Inc. | 104,139 | $97.3K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 98,221 | $91.7K | 0.00% | −33,632−25.5% | Reduced |
| Northern Trust Corp | 91,560 | $85.5K | 0.00% | 00.0% | Unchanged |
| Key Client Fiduciary Advisors, LLC | 78,457 | $73.3K | 0.02% | 00.0% | Unchanged |
| Citadel Advisors LLC | 65,690 | $61.4K | 0.00% | +65,690 | New |
| Kestra Advisory Services, LLC | 64,528 | $60.3K | 0.00% | −6,352−9.0% | Reduced |
| Goldman Sachs Group Inc | 60,552 | $56.6K | 0.00% | +13,756+29.4% | Added |
| Warren Averett Asset Management, LLC | 55,556 | $51.9K | 0.00% | +55,556 | New |
| Stifel Financial Corp | 48,000 | $44.8K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 38,703 | $36.1K | 0.00% | −371−0.9% | Reduced |
| Atomi Financial Group, Inc. | 27,443 | $25.6K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 21,455 | $20.0K | 0.00% | −660−3.0% | Reduced |
| SEI Investments Co | 17,734 | $16.6K | 0.00% | −196−1.1% | Reduced |
| Seelaus Asset Management LLC | 17,300 | $16.2K | 0.01% | −1,000−5.5% | Reduced |
| Two Sigma Securities, LLC | 15,737 | $14.7K | 0.00% | +15,737 | New |
| Merit Financial Group, LLC | 15,297 | $14.3K | 0.00% | 00.0% | Unchanged |
| Country Club Bank | 15,225 | $14.1K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 14,906 | $13.9K | 0.00% | +14,906 | New |
| Chicago Partners Investment Group LLC | 14,209 | $11.9K | 0.00% | +1,928+15.7% | Added |
| Centiva Capital, LP | 10,737 | $10.0K | 0.00% | +10,737 | New |
| Tower Research Capital LLC (TRC) | 5,607 | $5.24K | 0.00% | +4,069+264.6% | Added |
| Comerica Bank | 3,557 | $3.32K | 0.00% | +557+18.6% | Added |
| Royal Bank of Canada | 1,100 | $1.00K | 0.00% | +300+37.5% | Added |
| Rockefeller Capital Management L.P. | 1,000 | $934 | 0.00% | +1,000 | New |
| Wells Fargo & Company | 730 | $682 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 593 | $553 | 0.00% | +593 | New |
| JPMorgan Chase & Co | 372 | $347 | 0.00% | 00.0% | Unchanged |
| Your Advocates Ltd., LLP | 250 | $233 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 233 | $218 | 0.00% | 00.0% | Unchanged |
| Medallion Wealth Advisors, LLC | 45 | $42 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 31 | $29 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 20 | $19 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1 | $1 | 0.00% | −99−99.0% | Reduced |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −11,712−100.0% | Sold out |
| N.E.W. Advisory Services LLC | 0 | $0 | 0.00% | −2,720−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| EP Wealth Advisors, LLC | – | – | – | – | Not filed |