Oil States International, Inc. (OIS) Institutional Ownership & Insider Trading

199 institutions reported holding Oil States International, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 2 insider trades on Form 4 since 2025-10-01.

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

OISOil States International, Inc.Follow OIS — free

Oil & Gas Equipment & Services · Energy

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Market cap: 518.8M
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 30 Oct, in 6 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

199 institutions held 92.0% of the shares. Across filers that reported both quarters, shares held changed +1.6%.

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	199	56	+1.6%	72	21	65	34
Mar 26	213	54	+5.9%	74	48	56	16
Dec 25	177	51	-6.4%	54	27	61	12
Sep 25	154	54	+5.1%	56	20	47	14
Jun 25	151	52	+1.7%	53	25	52	27
Mar 25	156	51	+3.9%	65	22	44	15
Dec 24	147	49	-1.6%	46	18	53	22
Sep 24	152	49	-10.3%	51	20	49	15

Oil States International, Inc. — questions

Who owns Oil States International, Inc. stock?: 199 institutions reported Oil States International, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (11.3%), First Eagle Investment Management, LLC (6.7%), DIMENSIONAL FUND ADVISORS LP (5.0%).
Are Oil States International, Inc. insiders buying or selling?: 2 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 Oil States International, 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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