Cytosorbents Corporation

Historical 13F Holders

Symbol
CTSO
CUSIP
23283X206
All holders as of
Q2 2026
Type
Equity
Class
COM NEW
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 23283X206 since 12/18/2024, largest first.

Filer % of Class Filed
Avenir Corp 13G/A
8.3% 2/13/2026
Event 12/31/2025
Thomas A. Satterfield, Jr. 13G 6.6% 1/17/2025
Event 1/13/2025
Avenue Venture Opportunities Fund, L.P. 13G
5.7% 5/28/2025
Event 6/26/2024
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
Skylands Capital, LLC 13G 4.8% 4/17/2025
Event 3/31/2025
Vanguard Group Inc 13G/A 3.1% 4/30/2025
Event 3/31/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 51 16.1 M $6.04 M
2026 Q1 50 16.5 M $9.32 M
2025 Q4 51 16.9 M $10.8 M
2025 Q3 50 16.3 M $15.3 M
2025 Q2 49 16.4 M $20.7 M
2025 Q1 52 16.9 M $16.9 M
2024 Q4 53 15.3 M $14.1 M
2024 Q3 56 16.5 M $24.7 M
2024 Q2 56 16.8 M $11.9 M
2024 Q1 55 17.8 M $16.9 M
2023 Q4 57 18.2 M $20.2 M
2023 Q3 57 15.2 M $28.7 M
2023 Q2 62 15.2 M $54.7 M
2023 Q1 65 15.2 M $51.3 M
2022 Q4 56 14.8 M $23.0 M
2022 Q3 63 14.9 M $20.7 M
2022 Q2 81 15.5 M $33.9 M
2022 Q1 92 18.1 M $58.9 M
2021 Q4 97 17.9 M $74.9 M
2021 Q3 100 18.4 M $149 M
2021 Q2 110 17.5 M $132 M
2021 Q1 104 17.5 M $153 M
2020 Q4 103 17.6 M $141 M
2020 Q3 103 17.3 M $138 M
2020 Q2 100 11.3 M $111 M
2020 Q1 90 9.95 M $76.8 M
2019 Q4 78 9.53 M $36.7 M
2019 Q3 74 8.45 M $42.5 M
2019 Q2 76 8.59 M $56.8 M
2019 Q1 83 8.54 M $64.7 M
2018 Q4 92 8.96 M $72.4 M
2018 Q3 88 8.37 M $108 M
2018 Q2 82 7.91 M $90.0 M
2018 Q1 56 4.00 M $28.2 M
2017 Q4 49 3.21 M $20.9 M
2017 Q3 36 2.48 M $15.4 M
2017 Q2 38 1.94 M $8.34 M
2017 Q1 43 2.46 M $11.1 M
2016 Q4 43 1.60 M $8.70 M
2016 Q3 40 1.57 M $10.0 M
2016 Q2 39 1.77 M $8.06 M
2016 Q1 38 1.41 M $5.51 M
2015 Q4 44 1.38 M $7.66 M
2015 Q3 38 1.35 M $8.52 M
2015 Q2 34 1.24 M $7.63 M
2015 Q1 28 908 k $11.9 M
2014 Q4 9 394 k $3.92 M