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, Q4 2023
Institutional positions in Cytosorbents Corp as of Dec 31, 2023. 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
- 54
- +2 vs. Q3 2023
- Shares held
- 18.1M
- +3.03M (+20.1%) vs. Q3 2023
- Total value
- $20.0M
- −$8.24M (−29.1%) vs. Q3 2023
- New holders
- 8
- 14 more added
- Sold out
- 6
- 15 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Cytosorbents Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Granahan Investment Management Inc | 3,618,143 | $4.02M | 0.13% | +2,065,750+133.1% | Added |
| Skylands Capital, LLC | 3,254,213 | $3.61M | 0.53% | +309,543+10.5% | Added |
| Avenir Corp | 3,051,402 | $3.39M | 0.29% | +334,005+12.3% | Added |
| Vanguard Group Inc | 1,949,551 | $2.16M | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 1,801,799 | $2.00M | 0.00% | +299,103+19.9% | Added |
| Sargent Investment Group, LLC | 1,308,747 | $1.45M | 0.32% | +51,699+4.1% | Added |
| BlackRock Inc. | 726,320 | $806.2K | 0.00% | −444−0.1% | Reduced |
| CM Management, LLC | 415,000 | $460.6K | 0.37% | −35,000−7.8% | Reduced |
| Geode Capital Management, LLC | 364,920 | $405.2K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 175,320 | $195.0K | 0.00% | +56,220+47.2% | Added |
| CIBC Private Wealth Group, LLC | 172,649 | $191.6K | 0.00% | +50,000+40.8% | Added |
| State Street Corp | 151,093 | $167.7K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 119,978 | $133.2K | 0.00% | −3,330−2.7% | Reduced |
| Advisor Group Holdings, Inc. | 112,710 | $125.1K | 0.00% | −72,572−39.2% | Reduced |
| Northern Trust Corp | 75,013 | $83.3K | 0.00% | −20.0% | Reduced |
| Ledgewood Wealth Advisors, LLC | 73,000 | $81.0K | 0.07% | +73,000 | New |
| Bank of America Corp | 66,780 | $74.1K | 0.00% | −1,134−1.7% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 60,591 | $67.3K | 0.00% | −1,340−2.2% | Reduced |
| Dimensional Fund Advisors LP | 56,570 | $62.7K | 0.00% | −22,888−28.8% | Reduced |
| NWF Advisory Services Inc. | 54,700 | $60.7K | 0.01% | +6,250+12.9% | Added |
| Raymond James & Associates | 50,000 | $55.5K | 0.00% | +50,000 | New |
| Regal Investment Advisors LLC | 45,824 | $50.9K | 0.00% | +23,013+100.9% | Added |
| Millennium Management LLC | 45,128 | $50.1K | 0.00% | −119,931−72.7% | Reduced |
| Stifel Financial Corp | 45,000 | $50.0K | 0.00% | +45,000 | New |
| Texas Capital Bank Wealth Management Services Inc | 30,666 | $34.0K | 0.00% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 30,836 | $27.4K | 0.00% | −5,522−15.2% | Reduced |
| Bank of New York Mellon Corp | 22,427 | $24.9K | 0.00% | −29,194−56.6% | Reduced |
| Creative Planning | 21,295 | $23.6K | 0.00% | 00.0% | Unchanged |
| Johnson Investment Counsel Inc | 19,971 | $22.2K | 0.00% | +19,971 | New |
| Virtu Financial LLC | 20,215 | $22.0K | 0.00% | +20,215 | New |
| Seelaus Asset Management LLC | 18,950 | $21.0K | 0.02% | −1,500−7.3% | Reduced |
| Charles Schwab Investment Management Inc | 15,994 | $17.8K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 15,000 | $16.6K | 0.00% | 00.0% | Unchanged |
| Country Club Bank | 15,225 | $16.5K | 0.00% | 00.0% | Unchanged |
| Key Client Fiduciary Advisors, LLC | 12,000 | $13.3K | 0.01% | −1,000−7.7% | Reduced |
| SEI Investments Co | 10,401 | $11.5K | 0.00% | −3,434−24.8% | Reduced |
| Bradley Foster & Sargent Inc | 10,000 | $11.1K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 10,000 | $11.1K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,155 | $6.83K | 0.00% | +5,352+666.5% | Added |
| Hexagon Capital Partners LLC | 3,333 | $3.70K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 2,961 | $3.29K | 0.00% | +2,764+1,403.0% | Added |
| SOA Wealth Advisors, LLC. | 2,222 | $2.47K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 2,200 | $2.44K | 0.00% | +2,200 | New |
| Simplex Trading, LLC | 1,459 | $1.00K | 0.00% | +291+24.9% | Added |
| Lazard Asset Management LLC | 938 | $1.00K | 0.00% | +938 | New |
| Wells Fargo & Company | 541 | $601 | 0.00% | +16+3.0% | Added |
| Comerica Bank | 519 | $576 | 0.00% | +261+101.2% | Added |
| JPMorgan Chase & Co | 372 | $413 | 0.00% | 00.0% | Unchanged |
| Your Advocates Ltd., LLP | 250 | $278 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 37 | $42 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 36 | $40 | 0.00% | +36 | New |
| BNP Paribas Arbitrage, SA | 3 | $3 | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 1 | $1 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 79 | $0 | 0.00% | −7,450−99.0% | Reduced |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −30,688−100.0% | Sold out |
| Eudaimonia Partners, LLC | 0 | $0 | 0.00% | −23,500−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −10,256−100.0% | Sold out |
| HighMark Wealth Management LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −5,577−100.0% | Sold out |
| Park Place Capital Corp | 0 | $0 | 0.00% | −781−100.0% | Sold out |
| Jacob Asset Management of New York LLC | – | – | – | – | Not filed |