Bank of Montreal’s Mirion Technologies MIR Stock Holding History

Bank of Montreal’s Portfolio MIR Stock Details MIR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$336K	Buy	18,724 +1,369	+8%	+$25.4K	﹤0.01%	2705
2026 Q1	$323K	Buy	17,355 +1,534	+10%	+$34.6K	﹤0.01%	2636
2025 Q4	$371K	Sell	15,821 -274	-2%	-$6.83K	﹤0.01%	2454
2025 Q3	$374K	Sell	16,095 -49,545	-75%	-$1.07M	﹤0.01%	2414
2025 Q2	$1.41M	Buy	+65,640	New	+$1.13M	﹤0.01%	1738
2024 Q1	–	Sell	-1,173	Closed	-$12.3K	–	4161
2023 Q4	$12.3K	Buy	+1,173	New	+$9.9K	﹤0.01%	3777
2022 Q1	–	Sell	-24,600	Closed	-$260K	–	4244
2021 Q4	$260K	Buy	+24,600	New	+$264K	﹤0.01%	2814
2021 Q3	–	Sell	-288,000	Closed	-$3.03M	–	3894
2021 Q2	$3.03M	Buy	288,000 +287,000	+28,700%	+$2.95M	﹤0.01%	1845
2021 Q1	$11K	Buy	+1,000	New	+$11.7K	﹤0.01%	4329

Other funds holding MIR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

CLG

Cooperman Leon G $3.55B AUM 41.85% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

CAM

Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

Bank of Montreal's MIR Position: Q2 2026 in Review

Bank of Montreal increased its Mirion Technologies (MIR) stake by 7.9% in Q2 2026, buying an estimated $25.4K and bringing the position to 18,724 shares worth $336K. The position accounts for ﹤0.01% of the portfolio, ranked #2705.

Bank of Montreal first reported a position in MIR in Q1 2021 and has held it in 9 quarters since. The position peaked at $3.03M in Q2 2021. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

Bank of Montreal held 18,724 shares of Mirion Technologies worth $336K as of Q2 2026.
Bank of Montreal bought 1,369 Mirion Technologies shares in Q2 2026, an estimated $25.4K.
Mirion Technologies made up ﹤0.01% of Bank of Montreal's portfolio in Q2 2026, its #2705 holding.
Bank of Montreal first reported a position in Mirion Technologies in Q1 2021 and has held it in 9 quarters since.
Bank of Montreal's Mirion Technologies position peaked at $3.03M in Q2 2021.
351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Bank of Montreal's 13F filing for Q2 2026, filed 12 Aug 2026.