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, Q1 2025
Institutional positions in Cytosorbents Corp as of Mar 31, 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
- −2 vs. Q4 2024
- Shares held
- 16.9M
- +1.61M (+10.5%) vs. Q4 2024
- Total value
- $16.9M
- +$2.81M (+19.9%) vs. Q4 2024
- New holders
- 7
- 18 more added
- Sold out
- 9
- 9 more reduced
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Cytosorbents Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avenir Corp | 5,044,918 | $5.04M | 0.53% | +1,950,972+63.1% | Added |
| Skylands Capital, LLC | 3,002,702 | $3.00M | 0.43% | +221,080+7.9% | Added |
| Vanguard Group Inc | 1,949,551 | $1.95M | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 1,679,628 | $1.70M | 0.00% | −2,255−0.1% | Reduced |
| CM Management, LLC | 954,076 | $954.1K | 0.96% | +254,076+36.3% | Added |
| Sargent Investment Group, LLC | 823,500 | $823.5K | 0.13% | −425,363−34.1% | Reduced |
| BlackRock, Inc. | 627,305 | $627.3K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 613,855 | $614.1K | 0.00% | +139,702+29.5% | Added |
| Granahan Investment Management Inc | 358,418 | $358.4K | 0.02% | −846,162−70.2% | Reduced |
| Renaissance Technologies LLC | 225,254 | $225.3K | 0.00% | +137,234+155.9% | Added |
| CIBC Private Wealth Group, LLC | 172,649 | $165.7K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 163,748 | $163.7K | 0.00% | +36,528+28.7% | Added |
| State Street Corp | 159,293 | $159.3K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 115,200 | $115.2K | 0.00% | −29,725−20.5% | Reduced |
| Raymond James Financial Inc | 110,340 | $110.3K | 0.00% | +1,719+1.6% | Added |
| Morgan Stanley | 105,707 | $105.7K | 0.00% | −918−0.9% | Reduced |
| NWF Advisory Services Inc. | 104,139 | $104.1K | 0.01% | +104,139 | New |
| Northern Trust Corp | 91,560 | $91.6K | 0.00% | 00.0% | Unchanged |
| Key Client Fiduciary Advisors, LLC | 78,457 | $78.5K | 0.04% | +43,900+127.0% | Added |
| Kestra Advisory Services, LLC | 70,880 | $70.9K | 0.00% | +15,880+28.9% | Added |
| Goldman Sachs Group Inc | 62,662 | $62.7K | 0.00% | +37,519+149.2% | Added |
| Gsa Capital Partners LLP | 53,030 | $53.0K | 0.00% | +53,030 | New |
| Stifel Financial Corp | 48,000 | $48.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 43,979 | $44.0K | 0.00% | +9,528+27.7% | Added |
| Squarepoint Ops LLC | 40,549 | $40.5K | 0.00% | +40,549 | New |
| XTX Topco Ltd | 30,113 | $30.1K | 0.00% | +7,321+32.1% | Added |
| EP Wealth Advisors, LLC | 28,000 | $28.0K | 0.00% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 27,643 | $27.6K | 0.00% | +200+0.7% | Added |
| SEI Investments Co | 26,543 | $26.6K | 0.00% | +10,983+70.6% | Added |
| Creative Planning | 23,115 | $23.1K | 0.00% | +1,820+8.5% | Added |
| Seelaus Asset Management LLC | 18,300 | $18.3K | 0.02% | −500−2.7% | Reduced |
| Two Sigma Securities, LLC | 15,287 | $15.3K | 0.00% | +15,287 | New |
| Country Club Bank | 15,225 | $15.2K | 0.00% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 15,083 | $15.1K | 0.00% | +83+0.6% | Added |
| Chicago Partners Investment Group LLC | 13,443 | $11.9K | 0.00% | −171−1.3% | Reduced |
| Citadel Advisors LLC | 8,183 | $8.18K | 0.00% | +8,183 | New |
| Tower Research Capital LLC (TRC) | 5,503 | $5.50K | 0.00% | +3,408+162.7% | Added |
| Hexagon Capital Partners LLC | 3,333 | $3.33K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 3,307 | $3.31K | 0.00% | −380−10.3% | Reduced |
| N.E.W. Advisory Services LLC | 2,720 | $2.72K | 0.00% | +2,720 | New |
| JPMorgan Chase & Co | 485 | $485 | 0.00% | −9−1.8% | Reduced |
| Wells Fargo & Company | 250 | $250 | 0.00% | 00.0% | Unchanged |
| Your Advocates Ltd., LLP | 250 | $250 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 233 | $233 | 0.00% | +130+126.2% | Added |
| SBI Securities Co., Ltd. | 100 | $100 | 0.00% | 00.0% | Unchanged |
| Medallion Wealth Advisors, LLC | 45 | $45 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 31 | $31 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3 | $3 | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 954 | $0 | 0.00% | +954 | New |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −52,751−100.0% | Sold out |
| Cable Car Capital LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −33,280−100.0% | Sold out |
| Resources Investment Advisors, LLC. | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Johnson Investment Counsel Inc | 0 | $0 | 0.00% | −11,534−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −11,509−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −10,147−100.0% | Sold out |
| New Wave Wealth Advisors LLC | 0 | $0 | 0.00% | −1,631−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −313−100.0% | Sold out |