HBK Investments’s Mirion Technologies MIR Stock Holding History

HBK Investments’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 Q3	–	Sell	-42,998	Closed	-$926K	–	266
2025 Q2	$926K	Buy	+42,998	New	+$741K	0.02%	166
2021 Q4	–	Sell	-522,218	Closed	-$5.34M	–	802
2021 Q3	$5.34M	Sell	522,218 -227,782	-30%	-$2.3M	0.02%	250
2021 Q2	$7.8M	Hold	750,000	–	–	0.03%	166
2021 Q1	$7.82M	Sell	750,000 -200,000	-21%	-$2.35M	0.04%	140
2020 Q4	$10.4M	Sell	950,000 -50,000	-5%	-$516K	0.07%	124
2020 Q3	$10.8M	Buy	+1,000,000	New	+$10.4M	0.08%	102

Other funds holding MIR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

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

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

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

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

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

HBK Investments's MIR Position: Q3 2025 in Review

HBK Investments sold out of Mirion Technologies (MIR) in Q3 2025, closing a stake of 42,998 shares — an estimated $926K sold.

HBK Investments first reported a position in MIR in Q3 2020 and held it in 6 quarters. The position peaked at $10.8M in Q3 2020. 341 funds tracked by Wall St. Rank hold MIR as of Q3 2025.

HBK Investments reported no remaining Mirion Technologies position as of Q3 2025 after selling out during the quarter.
HBK Investments sold 42,998 Mirion Technologies shares in Q3 2025, an estimated $926K.
HBK Investments first reported a position in Mirion Technologies in Q3 2020 and held it in 6 quarters.
HBK Investments's Mirion Technologies position peaked at $10.8M in Q3 2020.
341 funds tracked by Wall St. Rank held Mirion Technologies as of Q3 2025.

Based on HBK Investments's 13F filing for Q3 2025, filed 14 Nov 2025.