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 |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 1 | $1 | 0.00% | −99−99.0% | Reduced |
| BNP Paribas Arbitrage, SA | 20 | $19 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 31 | $29 | 0.00% | 00.0% | Unchanged |
| Medallion Wealth Advisors, LLC | 45 | $42 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 233 | $218 | 0.00% | 00.0% | Unchanged |
| Your Advocates Ltd., LLP | 250 | $233 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 372 | $347 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 593 | $553 | 0.00% | +593 | New |
| Wells Fargo & Company | 730 | $682 | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,000 | $934 | 0.00% | +1,000 | New |
| Royal Bank of Canada | 1,100 | $1.00K | 0.00% | +300+37.5% | Added |
| Comerica Bank | 3,557 | $3.32K | 0.00% | +557+18.6% | Added |
| Tower Research Capital LLC (TRC) | 5,607 | $5.24K | 0.00% | +4,069+264.6% | Added |
| Centiva Capital, LP | 10,737 | $10.0K | 0.00% | +10,737 | New |
| Chicago Partners Investment Group LLC | 14,209 | $11.9K | 0.00% | +1,928+15.7% | Added |
| LPL Financial LLC | 14,906 | $13.9K | 0.00% | +14,906 | New |
| Country Club Bank | 15,225 | $14.1K | 0.00% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 15,297 | $14.3K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 15,737 | $14.7K | 0.00% | +15,737 | New |
| Seelaus Asset Management LLC | 17,300 | $16.2K | 0.01% | −1,000−5.5% | Reduced |
| SEI Investments Co | 17,734 | $16.6K | 0.00% | −196−1.1% | Reduced |
| Creative Planning | 21,455 | $20.0K | 0.00% | −660−3.0% | Reduced |
| Atomi Financial Group, Inc. | 27,443 | $25.6K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 38,703 | $36.1K | 0.00% | −371−0.9% | Reduced |
| Stifel Financial Corp | 48,000 | $44.8K | 0.00% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 55,556 | $51.9K | 0.00% | +55,556 | New |
| Goldman Sachs Group Inc | 60,552 | $56.6K | 0.00% | +13,756+29.4% | Added |
| Kestra Advisory Services, LLC | 64,528 | $60.3K | 0.00% | −6,352−9.0% | Reduced |
| Citadel Advisors LLC | 65,690 | $61.4K | 0.00% | +65,690 | New |
| Key Client Fiduciary Advisors, LLC | 78,457 | $73.3K | 0.02% | 00.0% | Unchanged |
| Northern Trust Corp | 91,560 | $85.5K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 98,221 | $91.7K | 0.00% | −33,632−25.5% | Reduced |
| NWF Advisory Services Inc. | 104,139 | $97.3K | 0.01% | 00.0% | Unchanged |
| Morgan Stanley | 107,256 | $100.2K | 0.00% | +1,846+1.8% | Added |
| Raymond James Financial Inc | 108,721 | $101.6K | 0.00% | +132+0.1% | Added |
| Gsa Capital Partners LLP | 112,217 | $105.0K | 0.01% | +112,217 | New |
| UBS Group AG | 115,203 | $107.6K | 0.00% | −7,129−5.8% | Reduced |
| Advisor Group Holdings, Inc. | 130,419 | $122.4K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 134,805 | $125.9K | 0.00% | +18,166+15.6% | Added |
| State Street Corp | 159,293 | $148.8K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 172,649 | $161.3K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 601,451 | $562.0K | 0.00% | 00.0% | Unchanged |
| Sargent Investment Group, LLC | 738,700 | $690.0K | 0.10% | −7,500−1.0% | Reduced |
| BlackRock, Inc. | 764,809 | $714.4K | 0.00% | +19,196+2.6% | Added |
| CM Management, LLC | 1,288,128 | $1.20M | 1.00% | +38,128+3.1% | Added |
| Neuberger Berman Group LLC | 1,597,998 | $1.49M | 0.00% | +6,309+0.4% | Added |
| Skylands Capital, LLC | 2,127,265 | $1.99M | 0.27% | −489,450−18.7% | Reduced |
| Vanguard Group Inc | 2,204,294 | $2.06M | 0.00% | +79,535+3.7% | Added |
| Avenir Corp | 5,082,838 | $4.75M | 0.49% | +24,301+0.5% | Added |
| 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 |