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