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MIR Institutional Ownership & 13F Holders | SmartMoneyDB

MIRMIRION TECHNOLOGIES INC

COM CL A · CUSIP 60471A101

Smart Money Ownership

Of the 13 tracked institutions holding MIR, 7 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +4.2pt. It's a gauge of who owns the name, not just how many.

$49.3M · 0.6% of book

MIR (MIRION TECHNOLOGIES INC) Institutional Ownership Summary

Among the 13 tracked institutional investors we monitor, MIR (MIRION TECHNOLOGIES INC) is held with a combined value of $2.09B across 104,482,735 shares. The largest holder is VANGUARD GROUP INC with a position worth $710.71M (0.01% of their portfolio). 3 funds opened new positions in the most recent quarter. 3 funds increased their holdings. 6 funds reduced their position.

Total Institutional Value

$2.09B

Total Shares Held

104,482,735

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

MILLENNIUM MANAGEMENT LLCNew position~$100.8M MAVERICK CAPITAL LTDNew position~$49.3M WELLINGTON MANAGEMENT GROUP LLP+237% shares~$11.0M STATE STREET CORP+3% shares~$4.3M CITADEL ADVISORS LLC+13% shares~$3.8M

13F Institutional Holders

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MILLENNIUM MANAGEMENT LLC

WELLINGTON MANAGEMENT GROUP LLP

0.00% of book+236.8%

$15.57M

PRICE T ROWE ASSOCIATES INC /MD/

0.00% of book-54.1%

$7.12M

#	Fund	Value↓	Shares	Portfolio %	Change
1	VANGUARD GROUP INC	$710.71M	30,346,328	0.01%	-0.2%
2	BlackRock, Inc.	$703.77M	37,857,697	0.01%	-0.9%
3	STATE STREET CORP	$175.30M	9,430,017	0.01%	+2.5%
4	COOPERMAN LEON G	$155.85M	8,383,441	5.11%	-
5	FMR LLC	$121.80M	6,551,692	0.01%	-22.1%
6	MILLENNIUM MANAGEMENT LLC	$100.85M	5,424,701	0.04%	New
7	MAVERICK CAPITAL LTD	$49.26M	2,649,879	0.57%	New
8	CITADEL ADVISORS LLC	$33.89M	1,823,252	0.02%	+12.5%
9	WELLINGTON MANAGEMENT GROUP LLP	$15.57M	837,812	0.00%	+236.8%
10	PRICE T ROWE ASSOCIATES INC /MD/	$7.12M	382,788	0.00%	-54.1%

Frequently Asked Questions

Which institutional investors own the most MIR stock?

As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of MIR with a position worth $710.71M, representing 0.01% of their portfolio. In total, 13 institutional investors hold MIR with a combined value of $2.09B.

Are hedge funds buying or selling MIR?

In the most recent quarter, 3 funds opened a new position in MIR. Additionally, 3 increased their holdings and 6 reduced their positions.

What percentage of MIR is owned by institutional investors?

Institutional investors hold $2.09B worth of MIR stock across 13 positions. The largest institutional holder is VANGUARD GROUP INC with $710.71M in holdings.

What is a 13F filing and why does it matter for MIR?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MIR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track MIR institutional moves

Get notified when hedge funds change their MIR positions.