CenterBook Partners’s Mirion Technologies MIR Stock Holding History

CenterBook Partners’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	-15,373	Closed	-$286K	–	801
2026 Q1	$286K	Buy	+15,373	New	+$347K	0.02%	568
2023 Q1	–	Sell	-24,571	Closed	-$162K	–	435
2022 Q4	$162K	Sell	24,571 -87,908	-78%	-$592K	0.03%	369
2022 Q3	$840K	Buy	112,479 +32,922	+41%	+$232K	0.16%	213
2022 Q2	$458K	Buy	79,557 +24,785	+45%	+$182K	0.1%	280
2022 Q1	$442K	Buy	54,772 +27,310	+99%	+$235K	0.16%	226
2021 Q4	$288K	Buy	+27,462	New	+$295K	0.17%	208

Other funds holding MIR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 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

CenterBook Partners's MIR Position: Q2 2026 in Review

CenterBook Partners sold out of Mirion Technologies (MIR) in Q2 2026, closing a stake of 15,373 shares — an estimated $286K sold.

CenterBook Partners first reported a position in MIR in Q4 2021 and held it in 6 quarters. The position peaked at $840K in Q3 2022. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

CenterBook Partners reported no remaining Mirion Technologies position as of Q2 2026 after selling out during the quarter.
CenterBook Partners sold 15,373 Mirion Technologies shares in Q2 2026, an estimated $286K.
CenterBook Partners first reported a position in Mirion Technologies in Q4 2021 and held it in 6 quarters.
CenterBook Partners's Mirion Technologies position peaked at $840K in Q3 2022.
351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.