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MIRION TECHNOLOGIES INCORPORATED COM CLASS A (MIR)

Name: MIRION TECHNOLOGIES INCORPORATED COM CLASS A (MIR) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Industry · SEC CIK 0001809987 · EDGAR filings · Updated 2026-07-28

MIRION TECHNOLOGIES INCORPORATED COM CLASS A (MIR) has 359 institutional managers reporting positions valued at $4.71B per the latest 13F reporting period. SEC filings include an active non-reliance notice on previously issued financial statements (8-K Item 4.02), substantial-doubt (going concern) disclosure per the filings.

Institutional managers

359

Reported 13F value

$4.71B

Insider activity

68 trans.

−$43.3M net selling

Data flags

2 active

from SEC filings

Filings this week (1)

2026-07-28 — Current report (8-K) filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

2026-07-02 — Current report (8-K) filed
2026-06-30 — Insider transaction reported (Form 4)
2026-05-29 — SD filed
2026-05-14 — Insider transaction reported (Form 4)
2026-05-14 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, MIRION TECHNOLOGIES INCORPORATED COM CLASS A has 359 institutional holders.

Insider activity

Insiders reported 68 transactions (0 buys, 13 sells) across 13 reporting insiders, with a net reported value of −$43.3M.

Data flags from SEC filings

Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2025-10-29 (recurring since 2023-08-03) — source filing. The authoritative details are those stated in the filing itself.

Active non-reliance notice on previously issued financial statements (8-K Item 4.02), most recently filed 2021-04-30 (recurring since 2021-04-30) — source filing. The authoritative details are those stated in the filing itself.

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See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-28.