| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| SATTERFIELD THOMAS A JR | 6.6% | $3,998,867 | 3,998,867 | Thomas A. Satterfield, Jr. | 13 Jan 2025 | |||
| Avenue Venture Opportunities Fund, L.P. | 5.7% | $4,356,117 | 3,755,273 | Avenue Capital Management II, L.P. | 26 Jun 2024 | |||
| AVENIR CORP | 5.7% | $3,093,946 | 3,093,946 | AVENIR CORP | 31 Dec 2024 | |||
| Skylands Capital, LLC | 4.8% | -6% | $3,002,702 | +$221,080 | 3,002,702 | +7.9% | Skylands Capital, LLC | 31 Mar 2025 |
| VANGUARD GROUP INC | 3.1% | -57% | $1,949,551 | -$1,949,551 | 1,949,551 | -50% | The Vanguard Group | 31 Mar 2025 |
As of 30 Sep 2025, 48 institutional investors reported holding 16,334,989 shares of Cytosorbents Corp - Common Stock, par value $0.001 per share (CTSO). This represents 25% of the company’s total 65,881,982 outstanding shares.
The largest institutional shareholders of Cytosorbents Corp - Common Stock, par value $0.001 per share (CTSO) together control 24% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| AVENIR CORP | 7.7% | 5,082,838 | +0.48% | 0.49% | $4,747,879 |
| VANGUARD GROUP INC | 3.3% | 2,204,294 | +3.7% | 0% | $2,058,811 |
| Skylands Capital, LLC | 3.2% | 2,127,265 | -19% | 0.27% | $1,987,078 |
| NEUBERGER BERMAN GROUP LLC | 2.4% | 1,597,998 | +0.4% | 0% | $1,490,906 |
| CM Management, LLC | 2% | 1,288,128 | +3.1% | 1% | $1,203,240 |
| BlackRock, Inc. | 1.2% | 764,809 | +2.6% | 0% | $714,408 |
| Sargent Investment Group, LLC | 1.1% | 738,700 | -1% | 0.1% | $690,020 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.91% | 601,451 | 0% | 0% | $561,978 |
| CIBC Private Wealth Group LLC | 0.26% | 172,649 | 0% | 0% | $161,271 |
| STATE STREET CORP | 0.24% | 159,293 | 0% | 0% | $148,796 |
| RENAISSANCE TECHNOLOGIES LLC | 0.2% | 134,805 | +16% | 0% | $125,921 |
| OSAIC HOLDINGS, INC. | 0.2% | 130,419 | 0% | 0% | $122,444 |
| UBS Group AG | 0.17% | 115,203 | -5.8% | 0% | $107,600 |
| GSA CAPITAL PARTNERS LLP | 0.17% | 112,217 | 0.01% | $105,000 | |
| RAYMOND JAMES FINANCIAL INC | 0.17% | 108,721 | +0.12% | 0% | $101,556 |
| MORGAN STANLEY | 0.16% | 107,256 | +1.8% | 0% | $100,188 |
| NWF Advisory Services Inc. | 0.16% | 104,139 | 0% | 0.01% | $97,274 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.15% | 98,221 | -26% | 0% | $91,748 |
| NORTHERN TRUST CORP | 0.14% | 91,560 | 0% | 0% | $85,526 |
| Key Client Fiduciary Advisors, LLC | 0.12% | 78,457 | 0% | 0.02% | $73,287 |
| CITADEL ADVISORS LLC | 0.1% | 65,690 | 0% | $61,361 | |
| Kestra Advisory Services, LLC | 0.1% | 64,528 | -9% | 0% | $60,276 |
| GOLDMAN SACHS GROUP INC | 0.09% | 60,552 | +29% | 0% | $56,562 |
| Waverly Advisors, LLC | 0.08% | 55,556 | 0% | $51,895 | |
| STIFEL FINANCIAL CORP | 0.07% | 48,000 | 0% | 0% | $44,837 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 16,334,989 | $15,255,905 | -$76,175 | $0.93 | 48 |
| 2025 Q2 | 16,439,150 | $20,747,017 | -$475,509 | $1.28 | 43 |
| 2025 Q1 | 16,936,549 | $16,946,108 | +$1,621,893 | $1.00 | 47 |
| 2024 Q4 | 15,229,954 | $14,042,830 | -$1,250,901 | $0.91 | 49 |
| 2024 Q3 | 16,412,746 | $24,619,301 | -$178,843 | $1.50 | 51 |
| 2024 Q2 | 16,409,887 | $11,536,914 | -$649,270 | $0.70 | 44 |
| 2024 Q1 | 17,531,124 | $16,641,395 | -$401,273 | $0.95 | 47 |
| 2023 Q4 | 1,874,799 | $2,077,611 | +$331,436 | $1.11 | 2 |
| 2023 Q3 | 15,170,414 | $28,514,495 | -$163,915 | $1.88 | 50 |
| 2023 Q2 | 15,184,349 | $54,498,911 | +$124,445 | $3.59 | 57 |
| 2023 Q1 | 15,119,779 | $51,075,434 | +$1,744,392 | $3.37 | 56 |
| 2022 Q4 | 14,558,956 | $22,523,713 | -$221,659 | $1.55 | 46 |
| 2022 Q3 | 12,923,308 | $17,569,835 | -$1,322,378 | $1.36 | 48 |
| 2022 Q2 | 14,214,992 | $31,135,658 | -$1,585,719 | $2.19 | 62 |
| 2022 Q1 | 15,346,012 | $48,926,184 | +$169,672 | $3.19 | 77 |
| 2021 Q4 | 17,598,292 | $73,758,808 | -$7,843,928 | $4.19 | 87 |
| 2021 Q3 | 18,366,121 | $149,207,914 | +$7,089,192 | $8.12 | 94 |
| 2021 Q2 | 17,035,924 | $128,690,236 | -$26,132 | $7.55 | 95 |
| 2021 Q1 | 17,052,104 | $148,903,944 | -$1,689,624 | $8.68 | 91 |
| 2020 Q4 | 17,036,789 | $135,778,028 | +$2,849,462 | $7.97 | 86 |
| 2020 Q3 | 17,141,271 | $136,709,701 | +$46,397,364 | $7.98 | 92 |
| 2020 Q2 | 11,219,987 | $111,120,626 | +$14,242,674 | $9.90 | 88 |
| 2020 Q1 | 9,902,410 | $76,504,098 | +$8,993,388 | $7.73 | 78 |
| 2019 Q4 | 8,896,772 | $34,247,814 | +$1,440,928 | $3.85 | 68 |
| 2019 Q3 | 8,407,364 | $42,286,266 | -$822,168 | $5.03 | 63 |
| 2019 Q2 | 8,390,426 | $55,460,404 | +$428,120 | $6.61 | 63 |
| 2019 Q1 | 8,362,955 | $63,304,572 | -$402,224 | $7.57 | 68 |
| 2018 Q4 | 8,654,446 | $69,912,146 | +$1,135,242 | $8.08 | 82 |
| 2018 Q3 | 8,196,875 | $105,728,460 | +$5,040,834 | $12.90 | 78 |
| 2018 Q2 | 7,720,645 | $88,020,578 | +$46,323,531 | $11.40 | 71 |
| 2018 Q1 | 3,901,828 | $27,508,000 | +$5,641,190 | $7.05 | 44 |
| 2017 Q4 | 3,181,141 | $20,606,078 | +$4,751,567 | $6.50 | 42 |
| 2017 Q3 | 2,481,878 | $15,385,000 | +$3,763,177 | $6.20 | 31 |
| 2017 Q2 | 1,938,263 | $8,335,000 | -$2,211,460 | $4.30 | 30 |
| 2017 Q1 | 2,431,298 | $10,938,000 | +$4,446,292 | $4.50 | 32 |
| 2016 Q4 | 1,593,388 | $8,683,000 | +$49,090 | $5.45 | 36 |
| 2016 Q3 | 1,568,958 | $10,038,360 | -$1,210,440 | $6.40 | 34 |
| 2016 Q2 | 1,773,199 | $8,063,000 | +$386,283 | $4.55 | 33 |
| 2016 Q1 | 1,376,353 | $5,391,447 | -$36,175 | $3.92 | 31 |
| 2015 Q4 | 1,375,701 | $7,660,000 | -$95,334 | $5.57 | 38 |
| 2015 Q3 | 1,350,065 | $8,514,000 | +$664,078 | $6.30 | 32 |
| 2015 Q2 | 1,222,430 | $7,505,037 | +$715,848 | $6.14 | 28 |
| 2015 Q1 | 901,201 | $11,887,236 | +$7,837,553 | $13.19 | 26 |
| 2014 Q4 | 394,240 | $3,921,376 | +$1,051,377 | $9.96 | 9 |