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 2025
Institutional positions in Cytosorbents Corp as of Jun 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
- 45
- −4 vs. Q1 2025
- Shares held
- 16.4M
- −498.3K (−2.9%) vs. Q1 2025
- Total value
- $20.7M
- +$3.80M (+22.4%) vs. Q1 2025
- New holders
- 3
- 8 more added
- Sold out
- 7
- 18 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Cytosorbents Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 100 | $0 | 0.00% | +100 | New |
| BNP Paribas Arbitrage, SA | 20 | $26 | 0.00% | +17+566.7% | Added |
| The PNC Financial Services Group, Inc. | 31 | $40 | 0.00% | 00.0% | Unchanged |
| Medallion Wealth Advisors, LLC | 45 | $58 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 100 | $128 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 233 | $299 | 0.00% | 00.0% | Unchanged |
| Your Advocates Ltd., LLP | 250 | $320 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 372 | $476 | 0.00% | −113−23.3% | Reduced |
| Wells Fargo & Company | 730 | $934 | 0.00% | +480+192.0% | Added |
| Royal Bank of Canada | 800 | $1.00K | 0.00% | +800 | New |
| Tower Research Capital LLC (TRC) | 1,538 | $1.97K | 0.00% | −3,965−72.1% | Reduced |
| N.E.W. Advisory Services LLC | 2,720 | $3.48K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 3,000 | $3.84K | 0.00% | −307−9.3% | Reduced |
| Chicago Partners Investment Group LLC | 12,281 | $12.5K | 0.00% | −1,162−8.6% | Reduced |
| Squarepoint Ops LLC | 11,712 | $15.0K | 0.00% | −28,837−71.1% | Reduced |
| Country Club Bank | 15,225 | $18.7K | 0.00% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 15,297 | $19.6K | 0.00% | +214+1.4% | Added |
| SEI Investments Co | 17,930 | $22.9K | 0.00% | −8,613−32.4% | Reduced |
| Seelaus Asset Management LLC | 18,300 | $23.4K | 0.02% | 00.0% | Unchanged |
| Creative Planning | 22,115 | $28.3K | 0.00% | −1,000−4.3% | Reduced |
| Atomi Financial Group, Inc. | 27,443 | $35.1K | 0.00% | −200−0.7% | Reduced |
| EP Wealth Advisors, LLC | 28,000 | $35.8K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 39,074 | $50.0K | 0.00% | −4,905−11.2% | Reduced |
| Goldman Sachs Group Inc | 46,796 | $59.9K | 0.00% | −15,866−25.3% | Reduced |
| Stifel Financial Corp | 48,000 | $61.4K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 70,880 | $90.7K | 0.00% | 00.0% | Unchanged |
| Key Client Fiduciary Advisors, LLC | 78,457 | $100.4K | 0.04% | 00.0% | Unchanged |
| Northern Trust Corp | 91,560 | $117.2K | 0.00% | 00.0% | Unchanged |
| NWF Advisory Services Inc. | 104,139 | $133.3K | 0.02% | 00.0% | Unchanged |
| Morgan Stanley | 105,410 | $134.9K | 0.00% | −297−0.3% | Reduced |
| Raymond James Financial Inc | 108,589 | $139.0K | 0.00% | −1,751−1.6% | Reduced |
| Renaissance Technologies LLC | 116,639 | $149.3K | 0.00% | −108,615−48.2% | Reduced |
| UBS Group AG | 122,332 | $156.6K | 0.00% | +7,132+6.2% | Added |
| Advisor Group Holdings, Inc. | 130,419 | $166.9K | 0.00% | −33,329−20.4% | Reduced |
| Susquehanna International Group, LLP | 131,853 | $168.8K | 0.00% | +131,853 | New |
| State Street Corp | 159,293 | $203.9K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 172,649 | $221.0K | 0.00% | 00.0% | Unchanged |
| Sargent Investment Group, LLC | 746,200 | $673.1K | 0.09% | −77,300−9.4% | Reduced |
| Geode Capital Management, LLC | 601,451 | $770.1K | 0.00% | −12,404−2.0% | Reduced |
| BlackRock, Inc. | 745,613 | $954.4K | 0.00% | +118,308+18.9% | Added |
| CM Management, LLC | 1,250,000 | $1.60M | 1.46% | +295,924+31.0% | Added |
| Neuberger Berman Group LLC | 1,591,689 | $2.03M | 0.00% | −87,939−5.2% | Reduced |
| Vanguard Group Inc | 2,124,759 | $2.72M | 0.00% | +175,208+9.0% | Added |
| Skylands Capital, LLC | 2,616,715 | $3.35M | 0.49% | −385,987−12.9% | Reduced |
| Avenir Corp | 5,058,537 | $6.47M | 0.67% | +13,619+0.3% | Added |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −358,418−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −53,030−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −30,113−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −15,287−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −8,183−100.0% | Sold out |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −3,333−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −954−100.0% | Sold out |