MIRION TECHNOLOGIES INC

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MIR·60471A101·US·equity·Industrials - Specialty Industrial Machinery-13D/G

MIR (MIRION TECHNOLOGIES INC) is held by 172 institutional investors as of Q1 2026. Largest holders: BlackRock, Inc. ($703.8M), STATE STREET CORP ($175.3M), COOPERMAN LEON G ($155.8M). Net institutional sentiment: Mixed.

172

Holders

Avg rating(16 Elite)

$3.3B

Total Value

52% (198)

Fund Consensus

100 buying - 91 selling

Smart Money Verdict

View all

39Weak MomentumSplit Signals

Institutional (13F)50

Insider (Form 4)0

Activist (13D/13G)47

Congressional (STOCK Act)60

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See how MIR's score breaks down across 4 SEC sources

Holder Quality

16

★★★★★

Elite

58

★★★★

Strong

65

★★★

Solid

43

★★

Below

15

★

Weak

Held by 172 funds

16 elite

Who's Trading

InsiderMAMoore Christopher A.Sell $165KMay 7, 2026

13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (197)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	37.9M(-0.9%)	$703.8M	0.0%	-10.93%	0
STATE STREET CORP	Increased	9.4M(+2.5%)	$175.3M	0.0%	+14.01%	31
CLCOOPERMAN LEON G	Unchanged	8.4M	$155.8M	5.1%	+68.71%	0
GOLDMAN SACHS GROUP INC	Increased	7.3M(+40.0%)	$136.6M	0.0%	-17.22%	40
FMR LLC	Decreased	6.6M(-22.1%)	$121.8M	0.0%	-18.34%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	5.9M(+2.6%)	$110.4M	0.0%	+59.39%	31
MILLENNIUM MANAGEMENT LLC	New	5.1M	$94.9M	0.0%	-17.03%	41
DIMENSIONAL FUND ADVISORS LP	Increased	4.7M(+14.4%)	$87.2M	0.0%	+57.79%	34
Bank of New York Mellon Corp	Increased	4.5M(+47.4%)	$84.3M	0.0%	-11.84%	41
JANUS HENDERSON GROUP PLC	Decreased	4M(-12.1%)	$75.2M	0.0%	+132.72%	0
UBS Group AG	Decreased	3.8M(-22.4%)	$70M	0.0%	-9.26%	0
Swedbank AB	Decreased	3.2M(-7.0%)	$58.7M	0.1%	+69.18%	0
AMERICAN CENTURY COMPANIES INC	Increased	2.7M(+6.9%)	$50.8M	0.0%	+54.49%	31
AIAlyeska Investment Group, L.P.	Increased	2.7M(+76.4%)	$50.2M	0.1%	+14.90%	53
LOOMIS SAYLES & CO L P	Decreased	2.7M(-6.2%)	$49.6M	0.1%	-17.74%	0
MAVERICK CAPITAL LTD	New	2.6M	$49.3M	0.6%	-17.03%	57
JPMORGAN CHASE & CO	Increased	2.6M(+56.8%)	$45.4M	0.0%	-20.07%	41
NORTHERN TRUST CORP	Increased	2.4M(+1.5%)	$44M	0.0%	+59.07%	30
Invesco Ltd.	Decreased	2.3M(-26.0%)	$42.7M	0.0%	-13.57%	0
MORGAN STANLEY	Increased	2.3M(+9.0%)	$42.5M	0.0%	+1.24%	32