Mirion Technologies, Inc. (MIR) Institutional Ownership & Insider Trading

351 institutions reported holding Mirion Technologies, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 8 insider trades on Form 4 since 2025-10-01.

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

MIRMirion Technologies, Inc.Follow MIR — free

Specialty Industrial Machinery · Industrials

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Market cap: 3.7B
P/E TTM: 148.1
Dividend yield: —
52-week: —
Next earnings: 27 Oct, in 3 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

351 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +3.3%.

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	351	262	+3.3%	128	45	107	59
Mar 26	358	253	-0.4%	125	48	122	52
Dec 25	362	254	-1.6%	136	60	89	48
Sep 25	336	255	+22.3%	120	77	85	43
Jun 25	300	207	+9.9%	112	95	55	25
Mar 25	227	185	-1.1%	89	39	62	34
Dec 24	221	193	-6.6%	73	60	55	20
Sep 24	176	205	+3.0%	65	31	42	12

Mirion Technologies, Inc. — questions

Who owns Mirion Technologies, Inc. stock?: 351 institutions reported Mirion Technologies, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (15.4%), VANGUARD PORTFOLIO MANAGEMENT LLC (7.3%), T. Rowe Price Investment Management, Inc. (5.7%).
Are Mirion Technologies, Inc. insiders buying or selling?: 8 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 Mirion 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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