Hudson Technologies, Inc. (HDSN) Institutional Ownership & Insider Trading

152 institutions reported holding Hudson Technologies, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 28 insider trades on Form 4 since 2025-10-01.

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

HDSNHudson Technologies, Inc.Follow HDSN — free

Specialty Chemicals · Basic Materials

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Market cap: 226.0M
P/E TTM: 25.6
Dividend yield: —
52-week: —
Next earnings: 28 Oct, in 4 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

152 institutions held 75.1% of the shares. Across filers that reported both quarters, shares held changed -4.2%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	152	32	-4.2%	44	23	46	30
Mar 26	159	33	+0.6%	44	21	53	27
Dec 25	167	33	-3.1%	39	20	65	26
Sep 25	167	33	-2.3%	42	39	47	18
Jun 25	147	33	+5.5%	40	20	57	32
Mar 25	160	31	+4.1%	49	24	55	28
Dec 24	167	30	-1.4%	60	33	35	38
Sep 24	172	31	-5.4%	53	32	52	20

Hudson Technologies, Inc. — questions

Who owns Hudson Technologies, Inc. stock?: 152 institutions reported Hudson Technologies, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: Hartree Partners, LP (10.5%), WESTERLY CAPITAL MANAGEMENT, LLC (8.0%), BlackRock, Inc. (6.8%).
Are Hudson Technologies, Inc. insiders buying or selling?: 28 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 Hudson Technologies, Inc.'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.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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