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