NPK International Inc. (NPKI) Institutional Ownership & Insider Trading

254 institutions reported holding NPK International Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 17 insider trades on Form 4 since 2025-10-01.

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

NPKINPK International Inc.Follow NPKI — free

Building Products & Equipment · Industrials

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Market cap: 924.7M
P/E TTM: 21.8
Dividend yield: —
52-week: —
Next earnings: 29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

254 institutions held 93.3% of the shares. Across filers that reported both quarters, shares held changed +4.4%.

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	254	79	+4.4%	90	31	78	21
Mar 26	243	76	+1.4%	76	30	84	23
Dec 25	236	75	+1.4%	75	41	76	15
Sep 25	205	74	-2.2%	51	32	74	16
Jun 25	187	76	+0.3%	57	31	71	15
Mar 25	173	76	-3.1%	49	23	53	24
Dec 24	175	78	+4.7%	52	15	54	29
Sep 24	189	74	-1.6%	74	19	45	29

NPK International Inc. — questions

Who owns NPK International Inc. stock?: 254 institutions reported NPK International Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (9.3%), AMERIPRISE FINANCIAL INC (5.3%), DIMENSIONAL FUND ADVISORS LP (4.3%).
Are NPK International Inc. insiders buying or selling?: 17 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 NPK 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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