# CYTOSORBENTS CORP (CTSO)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/CTSO/

- Reporting holders: 52
- Reported value: $6.1M
- Shares held by institutions: 16,339,945 of 62,842,748 outstanding
- Held through calls: 0.2%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [AVENIR CORP](https://holderbook.com/funds/1033475-avenir-corp/) | $1.9M | 5,189,218 | 0.2% | 31 |
| [NEUBERGER BERMAN GROUP LLC](https://holderbook.com/funds/1465109-neuberger-berman-group-llc/) | $740.5K | 1,968,691 | 0.0% | 24 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $715.9K | 1,914,063 | 0.0% | 2 |
| [CM Management, LLC](https://holderbook.com/funds/1841857-cm-management-llc/) | $552.2K | 1,476,500 | 0.4% | 22 |
| [Skylands Capital, LLC](https://holderbook.com/funds/1299910-skylands-capital-llc/) | $453.1K | 1,211,400 | 0.1% | 31 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $234.6K | 627,211 | 0.0% | 8 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $225.2K | 602,059 | 0.0% | 31 |
| [Sargent Investment Group, LLC](https://holderbook.com/funds/1766157-sargent-investment-group-llc/) | $207.9K | 555,757 | 0.0% | 31 |
| [Pathstone Holdings, LLC](https://holderbook.com/funds/2011612-pathstone-holdings-llc/) | $187.0K | 499,910 | 0.0% | 3 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $119.2K | 318,586 | 0.0% | 31 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $118.2K | 316,167 | 0.0% | 2 |
| [CIBC Bancorp USA Inc.](https://holderbook.com/funds/1711924-cibc-bancorp-usa-inc/) | $64.6K | 172,649 | 0.0% | 2 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $50.0K | 134,839 | 0.0% | 26 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $49.0K | 131,019 | 0.0% | 31 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $41.8K | 111,660 | 0.0% | 31 |
| [RAYMOND JAMES FINANCIAL INC](https://holderbook.com/funds/720005-raymond-james-financial-inc/) | $40.2K | 107,611 | 0.0% | 7 |
| [NWF Advisory Services Inc.](https://holderbook.com/funds/2045735-nwf-advisory-services-inc/) | $38.9K | 104,139 | 0.0% | 6 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $37.4K | 100,020 | 0.0% | 18 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $34.2K | 91,338 | 0.0% | 35 |
| [Key Client Fiduciary Advisors, LLC](https://holderbook.com/funds/1912612-key-client-fiduciary-advisors-llc/) | $29.3K | 78,457 | 0.0% | 17 |
| [Virtu Financial LLC](https://holderbook.com/funds/1533964-virtu-financial-llc/) | $27.0K | 71,508 | 0.0% | 1 |
| [RITHOLTZ WEALTH MANAGEMENT](https://holderbook.com/funds/1698218-ritholtz-wealth-management/) | $20.5K | 54,886 | 0.0% | 2 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $20.3K | 54,316 | 0.0% | 3 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $19.5K | 52,205 | 0.0% | 1 |
| [LPL Financial LLC](https://holderbook.com/funds/1403438-lpl-financial-llc/) | $18.7K | 50,119 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 52 | $6.1M |
| Q1 2026 | 50 | $9.3M |
| Q4 2025 | 51 | $10.8M |
| Q3 2025 | 49 | $15.3M |
| Q2 2025 | 45 | $20.8M |
| Q1 2025 | 48 | $17.0M |
| Q4 2024 | 51 | $14.2M |
| Q3 2024 | 53 | $24.8M |
| Q2 2024 | 49 | $11.8M |
| Q1 2024 | 48 | $16.9M |
| Q4 2023 | 53 | $20.2M |
| Q3 2023 | 54 | $28.7M |