Olin Corporation (OLN) Institutional Ownership & Insider Trading

411 institutions reported holding Olin Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 5 insider trades on Form 4 since 2025-10-01.

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

OLNOlin CorporationFollow OLN — free

Chemicals · Basic Materials

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Market cap: 1.8B
P/E TTM: —
Dividend yield: 5.1%
52-week: —
Next earnings: 29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

411 institutions held 99.8% of the shares. Across filers that reported both quarters, shares held changed +1.1%.

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	411	114	+1.1%	119	53	114	65
Mar 26	414	112	+0.2%	132	90	76	50
Dec 25	373	112	+9.0%	98	51	117	46
Sep 25	359	103	+0.5%	83	60	111	44
Jun 25	349	104	+3.6%	111	39	107	47
Mar 25	350	99	-2.6%	138	40	87	63
Dec 24	376	104	+0.7%	95	44	122	66
Sep 24	386	101	-3.1%	103	26	152	81

Olin Corporation — questions

Who owns Olin Corporation stock?: 411 institutions reported Olin Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (14.1%), BlackRock, Inc. (10.5%), DIMENSIONAL FUND ADVISORS LP (5.4%).
Are Olin Corporation insiders buying or selling?: 5 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 Olin Corporation'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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