CTSO — CYTOSORBENTS CORP

Ownership history in AVENIR CORP  ·  31 quarters on record

This page tracks every 13F SEC filing in which AVENIR CORP reported a position in CYTOSORBENTS CORP (CTSO). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.95% (2021 Q3)
Avg. % of fund
0.36%
First filed
2018 Q2
Last filed
2025 Q4
Quarters held
31
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 5,230,099 +147,261 +2.9% 0.36% $3.3M $0.64
2025 Q3 ADDED 5,082,838 +24,301 +0.5% 0.49% $4.7M $0.93
2025 Q2 ADDED 5,058,537 +13,619 +0.3% 0.67% $6.5M $1.28
2025 Q1 ADDED 5,044,918 +1,950,972 +63.1% 0.53% $5.0M $1.00
27 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    CTSO price (monthly, adj. close)

Other funds also holding CTSO

As of 2025 Q4 — sorted by position size

CM Management, LLC 3Y 0.8% Skylands Capital, LLC 3Y 7Y 0.16% Sargent Investment Group, LLC 3Y 7Y 0.05% Key Client Fiduciary Advisors, LLC 3Y 0.02% Seelaus Asset Management LLC 3Y 7Y 0.01% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.01% NWF Advisory Services Inc. 0.01% Pathstone Holdings, LLC 0.0% Neuberger Berman Group LLC 3Y 7Y 0.0% Compound Planning, Inc. 0.0%
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