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
2025 Q4	–	Sell	-42,689	Closed	-$1.06M	–	4290
2025 Q3	$993K	Buy	+42,689	New	+$923K	﹤0.01%	2716

Other funds holding MIR

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 Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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 New York $871B AUM 31.28% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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.