Question 1

Does BlackRock own MIR stock?

Accepted Answer

Yes. As of its Q2 2026 13F, BlackRock holds 38,262,307 shares of MIR (Mirion Technologies), worth $686M.

Question 2

How many shares of MIR does BlackRock own?

Accepted Answer

As of its Q2 2026 13F, BlackRock holds 38,262,307 shares of MIR (Mirion Technologies).

Question 3

What is BlackRock's MIR position worth?

Accepted Answer

As of its Q2 2026 13F, BlackRock's MIR position is worth $686M.

Question 4

Is BlackRock buying or selling MIR?

Accepted Answer

In Q2 2026, BlackRock increased its MIR position by 404,610 shares (+1.1%).

Question 5

When did BlackRock first buy MIR?

Accepted Answer

BlackRock already held MIR in its Q3 2024 13F, the earliest on record, and has listed it in 8 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	38.3M	+1.1%	$686M	0.0%	$17.93	32
2026-Q1	Decreased	37.9M	-0.9%	$703.8M	0.0%	$18.59	0
2025-Q4	Increased	38.2M	+4.9%	$894.6M	0.0%	$23.42	33
2025-Q3	Increased	36.4M	+114.1%	$847.4M	0.0%	$23.26	51
2025-Q2	Increased	17M	+5.4%	$366.3M	0.0%	$21.53	33
2025-Q1	Increased	16.1M	+0.2%	$234M	0.0%	$14.50	31
2024-Q4	Increased	16.1M	+0.8%	$281M	0.0%	$17.45	31
2024-Q3	First report	16M	-	$176.8M	0.0%	$11.07	0

MIR8 quarters

MIR
8 quarters