Bank of Montreal
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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
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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CLG
Cooperman Leon G $3.05B AUM 42.78% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Bank of Montreal's MIR Position: Q1 2026 in Review

Bank of Montreal increased its Mirion Technologies (MIR) stake by 9.7% in Q1 2026, buying an estimated $34.6K and bringing the position to 17,355 shares worth $323K. The position accounts for ﹤0.01% of the portfolio, ranked #2636.

Bank of Montreal first reported a position in MIR in Q1 2021 and has held it in 8 quarters since. The position peaked at $3.03M in Q2 2021. 361 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Bank of Montreal held 17,355 shares of Mirion Technologies worth $323K as of Q1 2026.
  • Bank of Montreal bought 1,534 Mirion Technologies shares in Q1 2026, an estimated $34.6K.
  • Mirion Technologies made up ﹤0.01% of Bank of Montreal's portfolio in Q1 2026, its #2636 holding.
  • Bank of Montreal first reported a position in Mirion Technologies in Q1 2021 and has held it in 8 quarters since.
  • Bank of Montreal's Mirion Technologies position peaked at $3.03M in Q2 2021.
  • 361 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.