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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.

Q4 2021 vs. Q3 2021

How the institutions holding Cytosorbents Corp changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of CTSO: Q3 2021 compared with Q4 2021
MeasureQ3 2021Q4 2021Change
Holders9691−5
Shares18.4M17.8M−578.8K (−3.2%)
Value$149.2M$74.6M−$74.7M (−50.0%)

New holders (14)

Institutions that held Cytosorbents Corp at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to CTSO in Q4 2021
InstitutionSharesValue% of portfolio
Anson Funds Management LP170,998$716.0K0.10%
Walleye Capital LLC93,606$392.0K0.01%
Engineers Gate Manager LP72,383$303.0K0.01%
Walleye Trading LLC48,033$201.0K0.00%
Raymond James Financial Services Advisors, Inc.47,543$199.0K0.00%
Jump Financial, LLC39,252$164.0K0.01%
Aristides Capital LLC15,762$66.0K0.04%
Squarepoint Ops LLC14,779$62.0K0.00%
Gsa Capital Partners LLP13,003$54.0K0.01%
Virtu Financial LLC10,898$46.0K0.00%
Marshall Wace, LLP7,627$31.0K0.00%
Fortitude Advisory Group L.L.C.3,125$13.0K0.01%
Geneos Wealth Management Inc.2,100$8.00K0.00%
Northwestern Mutual Wealth Management Co1,226$5.00K0.00%

Sold out (19)

Institutions that held Cytosorbents Corp at the end of Q3 2021 and filed for Q4 2021 without it.