IMC Chicago
MIR icon

IMC Chicago’s Mirion Technologies MIR Stock Holding History

IMC Chicago’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 		$1.59M Buy
85,500
+1,900
+2% +$42.9K ﹤0.01% 2799
2025
Q4 		$1.96M Buy
83,600
+68,600
+457% +$1.71M ﹤0.01% 2452
2025
Q3 		$349K Sell
15,000
-12,100
-45% -$262K ﹤0.01% 3358
2025
Q2 		$583K Buy
+27,100
New +$467K ﹤0.01% 2774

Other funds holding MIR

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 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

IMC Chicago's MIR Position: Q4 2025 in Review

IMC Chicago sold out of Mirion Technologies (MIR) in Q4 2025, closing a stake of 42,689 shares — an estimated $1.06M sold.

IMC Chicago first reported a position in MIR in Q3 2025 and held it in 1 quarter. The position peaked at $993K in Q3 2025. 365 funds tracked by Wall St. Rank hold MIR as of Q4 2025.

  • IMC Chicago reported no remaining Mirion Technologies position as of Q4 2025 after selling out during the quarter.
  • IMC Chicago sold 42,689 Mirion Technologies shares in Q4 2025, an estimated $1.06M.
  • IMC Chicago first reported a position in Mirion Technologies in Q3 2025 and held it in 1 quarter.
  • IMC Chicago's Mirion Technologies position peaked at $993K in Q3 2025.
  • 365 funds tracked by Wall St. Rank held Mirion Technologies as of Q4 2025.

Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.