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Cytosorbents Corp (CTSO) Institutional Ownership & Insider Trading

51 institutions reported holding Cytosorbents Corp shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 10 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

CTSOCytosorbents CorpFollow CTSO — free
Medical Instruments & Supplies · Healthcare
—
Price chart with a free account
Market cap
16.6M
P/E TTM
—
Dividend yield
—
52-week
—
Next earnings
3 Nov, in 10 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

51 institutions held —% of the shares. Across filers that reported both quarters, shares held changed -2.0%.

Increased+9New+6Decreased-9Closed-6

Largest moves, shares (millions)

Neuberger Berman Group+0.3MVirtu Financial+0.1MJane Street Group+0.1MSkylands Capital-0.5MBlackRock-0.2MGeode Capital Management-0.1M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-0.3Sep 24-1.2Dec 24+1.6Mar 25-0.5Jun 25-0.1Sep 25+0.6Dec 25-0.4Mar 26-0.3Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 265116-2.0%9696
Mar 265016-2.7%7697
Dec 254917+4.2%10886
Sep 254816-0.5%10693
Jun 254316-3.0%73166
Mar 254717+10.2%16577
Dec 245015-7.0%1061111
Sep 245216-1.6%78114

Cytosorbents Corp — questions

Who owns Cytosorbents Corp stock?
51 institutions reported Cytosorbents Corp shares in 13F filings for the quarter ended 2026-06-30. The largest: AVENIR CORP, NEUBERGER BERMAN GROUP LLC (62.6%), VANGUARD CAPITAL MANAGEMENT LLC (60.9%).
Are Cytosorbents Corp insiders buying or selling?
10 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Cytosorbents Corp's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.