AIM
MIR icon

Artemis Investment Management’s Mirion Technologies MIR Stock Holding History

Artemis Investment Management’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 		– Sell
-539,134
Closed -$10M – 231
2026
Q1 		$10M Sell
539,134
-1,432,577
-73% -$32.3M 0.11% 138
2025
Q4 		$46.2M Buy
1,971,711
+1,018,304
+107% +$25.4M 0.56% 66
2025
Q3 		$22.2M Sell
953,407
-2,075,561
-69% -$44.9M 0.28% 102
2025
Q2 		$65.2M Buy
3,028,968
+30,533
+1% +$526K 0.84% 34
2025
Q1 		$43.5M Buy
2,998,435
+811,882
+37% +$12.8M 0.67% 52
2024
Q4 		$38.2M Buy
+2,186,553
New +$33.9M 0.54% 66

Other funds holding MIR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Alyeska Investment Group
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
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

Artemis Investment Management's MIR Position: Q2 2026 in Review

Artemis Investment Management sold out of Mirion Technologies (MIR) in Q2 2026, closing a stake of 539,134 shares — an estimated $10M sold.

Artemis Investment Management first reported a position in MIR in Q4 2024 and held it in 6 quarters. The position peaked at $65.2M in Q2 2025. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Artemis Investment Management reported no remaining Mirion Technologies position as of Q2 2026 after selling out during the quarter.
  • Artemis Investment Management sold 539,134 Mirion Technologies shares in Q2 2026, an estimated $10M.
  • Artemis Investment Management first reported a position in Mirion Technologies in Q4 2024 and held it in 6 quarters.
  • Artemis Investment Management's Mirion Technologies position peaked at $65.2M in Q2 2025.
  • 351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Artemis Investment Management's 13F filing for Q2 2026, filed 23 Jul 2026.