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Who owns Mirion Technologies (MIR) stock

330 funds reported Mirion Technologies (MIR) shares in their latest 13F filings, worth $5.1B in all. The largest holder is Vanguard Group ($711M). Last quarter 176 funds added to their stakes and 167 cut them.

Largest holders of MIR (13F)Largest holders of MIR (13F)Vanguard Group$711MBlackRock$686MVanguard Portfolio Management LLC$326MT. Rowe Price Investment Manageme…$256MVanguard Capital Management LLC$190MGoldman Sachs Group$187MState Street$178MAlyeska Investment Group, L.P.$171MCooperman Leon G$150MFMR LLC$131M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group30,346,328$711Mdecrease2025-12-31
BlackRock38,262,307$686Mincrease2026-06-30
Vanguard Portfolio Management LLC18,179,850$326Mincrease2026-06-30
T. Rowe Price Investment Management14,288,075$256Mdecrease2026-06-30
Vanguard Capital Management LLC10,613,869$190Mincrease2026-06-30
Goldman Sachs Group10,406,605$187Mincrease2026-06-30
State Street9,923,609$178Mincrease2026-06-30
Alyeska Investment Group, L.P.9,534,955$171Mincrease2026-06-30
Cooperman Leon G8,383,441$150Munchanged2026-06-30
FMR LLC7,329,386$131Mincrease2026-06-30
Geode Capital Management, LLC6,280,048$113Mincrease2026-06-30
Maverick Capital5,245,039$94.0Mincrease2026-06-30
Dimensional Fund Advisors LP4,859,755$87.1Mincrease2026-06-30
Janus Henderson Group4,043,089$75.2Mdecrease2026-03-31
Jupiter Topco LLC4,114,766$73.8Mbase2026-06-30

Mirion Technologies' latest quarter

Mirion Technologies, Q3 2026: revenue $278M (+24% year over year), operating margin 6.2%, net earnings $7.4M, operating cash flow $59.2M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most MIR stock?

By the latest 13F filings: Vanguard Group ($711M); BlackRock ($686M); Vanguard Portfolio Management LLC ($326M); T. Rowe Price Investment Management ($256M); Vanguard Capital Management LLC ($190M).

What is the short interest in MIR?

41,188,499 shares were sold short at the 2026-10-15 settlement, 7.31% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.