Question 1

Who owns MIR?

Accepted Answer

MIRION TECHNOLOGIES INC (MIR) is held by 179 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Question 2

Are institutions buying or selling MIR?

Accepted Answer

In Q1 2026, 105 institutions opened or increased positions in MIRION TECHNOLOGIES INC while 91 reduced or exited — a net buying quarter.

Question 3

What is the Smart Money Verdict on MIR?

Accepted Answer

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MIRION TECHNOLOGIES INC.

Question 4

How many hedge funds hold MIR?

Accepted Answer

179 institutional investors report holding MIRION TECHNOLOGIES INC (MIR) as of Q1 2026, based on SEC 13F filings.

Question 5

Is institutional money flowing into MIR?

Accepted Answer

As of Q1 2026, tracked institutions in MIRION TECHNOLOGIES INC show 105 buyers versus 91 sellers — net inflows.

Question 6

Are Congress members and hedge funds both buying MIR?

Accepted Answer

Yes — in the latest quarter, 1 members of Congress and 105 institutional investors bought MIRION TECHNOLOGIES INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	37.9M(-0.9%)	$703.8M	0.0%	-16.67%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	17.9M	$332.9M	0.0%	-22.37%	43
VAVANGUARD CAPITAL MANAGEMENT LLC	New	10.5M	$195.3M	0.0%	-22.37%	42
STATE STREET CORP	Increased	9.4M(+2.5%)	$175.3M	0.0%	+6.67%	31
CLCOOPERMAN LEON G	Unchanged	8.4M	$155.8M	5.1%	+57.84%	0
GOLDMAN SACHS GROUP INC	Increased	7.3M(+40.0%)	$136.6M	0.0%	-22.55%	40
FMR LLC	Decreased	6.6M(-22.1%)	$121.8M	0.0%	-23.60%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	5.9M(+2.6%)	$110.4M	0.0%	+49.12%	31
MILLENNIUM MANAGEMENT LLC	New	5.1M	$94.9M	0.0%	-22.37%	41
DIMENSIONAL FUND ADVISORS LP	Increased	4.7M(+14.4%)	$87.2M	0.0%	+47.63%	34
Bank of New York Mellon Corp	Increased	4.5M(+47.4%)	$84.3M	0.0%	-17.51%	41
Janus Henderson Group Ltd.	Decreased	4M(-12.1%)	$75.2M	0.0%	+117.74%	0
UBS Group AG	Decreased	3.8M(-22.4%)	$70M	0.0%	-15.10%	0
Swedbank AB	Decreased	3.2M(-7.0%)	$58.7M	0.1%	+58.29%	0
AMERICAN CENTURY COMPANIES INC	Increased	2.7M(+6.9%)	$50.8M	0.0%	+44.55%	31
AIAlyeska Investment Group, L.P.	Increased	2.7M(+76.4%)	$50.2M	0.1%	+7.50%	53
LOOMIS SAYLES & CO L P	Decreased	2.7M(-6.2%)	$49.6M	0.1%	-23.04%	0
MAVERICK CAPITAL LTD	New	2.6M	$49.3M	0.6%	-22.37%	57
JPMORGAN CHASE & CO	Increased	2.6M(+56.8%)	$45.4M	0.0%	-25.22%	41
NORTHERN TRUST CORP	Increased	2.4M(+1.5%)	$44M	0.0%	+48.83%	30

MIRION TECHNOLOGIES INC

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