Emerald Advisers’s Mirion Technologies MIR Stock Holding History

Emerald Advisers’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	$24.5M	Sell	1,364,780 -16,794	-1%	-$311K	0.58%	81
2026 Q1	$25.7M	Buy	1,381,574 +244,428	+21%	+$5.51M	0.81%	53
2025 Q4	$26.6M	Sell	1,137,146 -19	-0%	-$474	0.82%	56
2025 Q3	$26.5M	Buy	1,137,165 +171,920	+18%	+$3.72M	0.85%	45
2025 Q2	$20.8M	Buy	965,245 +85,156	+10%	+$1.47M	0.76%	50
2025 Q1	$12.8M	Buy	880,089 +272,098	+45%	+$4.28M	0.57%	72
2024 Q4	$10.6M	Buy	+607,991	New	+$9.43M	0.41%	84

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

Emerald Advisers's MIR Position: Q2 2026 in Review

Emerald Advisers reduced its Mirion Technologies (MIR) stake by 1.2% in Q2 2026, selling an estimated $311K and leaving 1,364,780 shares worth $24.5M. The position accounts for 0.58% of the portfolio, ranked #81.

Emerald Advisers first reported a position in MIR in Q4 2024 and has held it in 7 quarters since. The position peaked at $26.6M in Q4 2025. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

Emerald Advisers held 1,364,780 shares of Mirion Technologies worth $24.5M as of Q2 2026.
Emerald Advisers sold 16,794 Mirion Technologies shares in Q2 2026, an estimated $311K.
Mirion Technologies made up 0.58% of Emerald Advisers's portfolio in Q2 2026, its #81 holding.
Emerald Advisers first reported a position in Mirion Technologies in Q4 2024 and has held it in 7 quarters since.
Emerald Advisers's Mirion Technologies position peaked at $26.6M in Q4 2025.
351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Emerald Advisers's 13F filing for Q2 2026, filed 5 Aug 2026.