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, Q2 2026
Institutional positions in Cytosorbents Corp as of Jun 30, 2026. 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
- 50
- 0 vs. Q1 2026
- Shares held
- 16.1M
- −334.1K (−2.0%) vs. Q1 2026
- Total value
- $6.04M
- −$3.28M (−35.2%) vs. Q1 2026
- New holders
- 7
- 11 more added
- Sold out
- 7
- 13 more reduced
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Cytosorbents Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avenir Corp | 5,189,218 | $1.94M | 0.24% | −26,558−0.5% | Reduced |
| Neuberger Berman Group LLC | 1,968,691 | $740.5K | 0.00% | +285,684+17.0% | Added |
| Vanguard Capital Management LLC | 1,914,063 | $715.9K | 0.00% | +34,074+1.8% | Added |
| CM Management, LLC | 1,476,500 | $552.2K | 0.35% | 00.0% | Unchanged |
| Skylands Capital, LLC | 1,211,400 | $453.1K | 0.06% | −496,098−29.1% | Reduced |
| BlackRock, Inc. | 627,211 | $234.6K | 0.00% | −155,781−19.9% | Reduced |
| Geode Capital Management, LLC | 602,059 | $225.2K | 0.00% | −105,203−14.9% | Reduced |
| Sargent Investment Group, LLC | 555,757 | $207.9K | 0.02% | +5,857+1.1% | Added |
| Pathstone Holdings, LLC | 499,910 | $187.0K | 0.00% | −450.0% | Reduced |
| Vanguard Fiduciary Trust Co | 316,167 | $118.2K | 0.00% | +2,311+0.7% | Added |
| CIBC Bancorp USA Inc. | 172,649 | $64.6K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 159,293 | $59.6K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 134,839 | $50.0K | 0.00% | +4,420+3.4% | Added |
| UBS Group AG | 131,019 | $49.0K | 0.00% | +15,819+13.7% | Added |
| Northern Trust Corp | 111,660 | $41.8K | 0.00% | +19,120+20.7% | Added |
| Raymond James Financial Inc | 107,611 | $40.2K | 0.00% | −140−0.1% | Reduced |
| NWF Advisory Services Inc. | 104,139 | $38.9K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 100,020 | $37.4K | 0.00% | −700−0.7% | Reduced |
| Morgan Stanley | 91,338 | $34.2K | 0.00% | −8,831−8.8% | Reduced |
| Key Client Fiduciary Advisors, LLC | 78,457 | $29.3K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 71,508 | $27.0K | 0.00% | +71,508 | New |
| XTX Topco Ltd | 54,316 | $20.3K | 0.00% | +18,746+52.7% | Added |
| Jane Street Group, LLC | 52,205 | $19.5K | 0.00% | +52,205 | New |
| LPL Financial LLC | 50,119 | $18.7K | 0.00% | +26,934+116.2% | Added |
| Stifel Financial Corp | 48,000 | $18.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 38,686 | $14.5K | 0.00% | −437−1.1% | Reduced |
| HRT Financial LP | 32,125 | $12.0K | 0.00% | +18,012+127.6% | Added |
| Kestra Advisory Services, LLC | 28,200 | $10.5K | 0.00% | 00.0% | Unchanged |
| EP Wealth Advisors, LLC | 28,000 | $10.5K | 0.00% | 00.0% | Unchanged |
| Ritholtz Wealth Management | 27,443 | $10.3K | 0.00% | 00.0% | Unchanged |
| SFMG, LLC | 20,000 | $7.48K | 0.00% | +20,000 | New |
| Creative Planning | 18,956 | $7.09K | 0.00% | −2,339−11.0% | Reduced |
| Seelaus Asset Management LLC | 16,300 | $6.10K | 0.00% | 00.0% | Unchanged |
| First National Bank of Omaha | 15,225 | $5.81K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 15,338 | $5.74K | 0.00% | −28,609−65.1% | Reduced |
| Merit Financial Group, LLC | 15,297 | $5.72K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 13,865 | $5.19K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 11,176 | $4.18K | 0.00% | +11,176 | New |
| Tower Research Capital LLC (TRC) | 10,223 | $3.82K | 0.00% | +10,223 | New |
| Marathon Capital Management | 10,000 | $3.74K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 3,090 | $1.16K | 0.00% | +8+0.3% | Added |
| Global Retirement Partners, LLC | 2,358 | $882 | 0.00% | +2,358 | New |
| Rockefeller Capital Management L.P. | 1,652 | $618 | 0.00% | −209−11.2% | Reduced |
| JPMorgan Chase & Co | 372 | $142 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 287 | $107 | 0.00% | +287 | New |
| Wells Fargo & Company | 250 | $94 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 31 | $12 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 6 | $2 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 3 | $1 | 0.00% | −14−82.4% | Reduced |
| SBI Securities Co., Ltd. | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 0 | $0 | 0.00% | −55,556−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −29,945−100.0% | Sold out |
| Texas Capital Bank Wealth Management Services Inc | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −10,799−100.0% | Sold out |
| Your Advocates Ltd., LLP | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −233−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −93−100.0% | Sold out |