CI Investments Inc
MIR icon

CI Investments Inc’s Mirion Technologies MIR Stock Holding History

CI Investments Inc’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 		– Sell
-106,612
Closed -$2.5M – 658
2025
Q4 		$2.5M Buy
106,612
+10,047
+10% +$251K 0.01% 363
2025
Q3 		$2.25M Buy
96,565
+43,700
+83% +$945K 0.01% 356
2025
Q2 		$1.14M Buy
+52,865
New +$911K ﹤0.01% 419
2025
Q1 		– Sell
-659,720
Closed -$11.5M – 1318
2024
Q4 		$11.5M Buy
+659,720
New +$10.2M 0.04% 217

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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CLG
Cooperman Leon G $3.55B AUM 41.85% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

CI Investments Inc's MIR Position: Q1 2026 in Review

CI Investments Inc sold out of Mirion Technologies (MIR) in Q1 2026, closing a stake of 106,612 shares — an estimated $2.5M sold.

CI Investments Inc first reported a position in MIR in Q4 2024 and held it in 4 quarters. The position peaked at $11.5M in Q4 2024. 362 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • CI Investments Inc reported no remaining Mirion Technologies position as of Q1 2026 after selling out during the quarter.
  • CI Investments Inc sold 106,612 Mirion Technologies shares in Q1 2026, an estimated $2.5M.
  • CI Investments Inc first reported a position in Mirion Technologies in Q4 2024 and held it in 4 quarters.
  • CI Investments Inc's Mirion Technologies position peaked at $11.5M in Q4 2024.
  • 362 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on CI Investments Inc's 13F filing for Q1 2026, filed 13 May 2026.