Koppers Holdings Inc. (KOP) Institutional Ownership & Insider Trading

216 institutions reported holding Koppers Holdings Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 14 insider trades on Form 4 since 2025-10-01.

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

KOPKoppers Holdings Inc.Follow KOP — free

Specialty Chemicals · Basic Materials

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Market cap: 759.9M
P/E TTM: —
Dividend yield: 0.8%
52-week: —
Next earnings: 30 Oct, in 6 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

216 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +1.8%.

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	216	19	+1.8%	67	27	64	13
Mar 26	204	19	-6.0%	60	29	58	17
Dec 25	190	20	+9.4%	57	14	62	22
Sep 25	197	19	-0.9%	65	17	58	20
Jun 25	199	19	-1.2%	62	32	62	13
Mar 25	184	19	+0.7%	61	15	61	22
Dec 24	190	19	+1.1%	65	17	55	20
Sep 24	188	19	-4.2%	62	19	62	15

Koppers Holdings Inc. — questions

Who owns Koppers Holdings Inc. stock?: 216 institutions reported Koppers Holdings Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (16.1%), Simcoe Capital Management, LLC (7.5%), DIMENSIONAL FUND ADVISORS LP (6.5%).
Are Koppers Holdings Inc. insiders buying or selling?: 14 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 Koppers Holdings 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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