DDD Partners’s Mirion Technologies MIR Stock Holding History

DDD 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	-142,790	Closed	-$2.65M	–	170
2026 Q1	$2.65M	Buy	142,790 +79,752	+127%	+$1.8M	0.18%	63
2025 Q4	$1.48M	Buy	+63,038	New	+$1.57M	0.09%	73

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

DDD Partners's MIR Position: Q2 2026 in Review

DDD Partners sold out of Mirion Technologies (MIR) in Q2 2026, closing a stake of 142,790 shares — an estimated $2.65M sold.

DDD Partners first reported a position in MIR in Q4 2025 and held it in 2 quarters. The position peaked at $2.65M in Q1 2026. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

DDD Partners reported no remaining Mirion Technologies position as of Q2 2026 after selling out during the quarter.
DDD Partners sold 142,790 Mirion Technologies shares in Q2 2026, an estimated $2.65M.
DDD Partners first reported a position in Mirion Technologies in Q4 2025 and held it in 2 quarters.
DDD Partners's Mirion Technologies position peaked at $2.65M in Q1 2026.
351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on DDD Partners's 13F filing for Q2 2026, filed 5 Aug 2026.