T. Rowe Price Associates’s Mirion Technologies MIR Stock Holding History

T. Rowe Price Associates’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 Q1	$7.12M	Sell	382,788 -451,542	-54%	-$10.2M	﹤0.01%	1295
2025 Q4	$19.5M	Hold	834,330	–	–	﹤0.01%	1059
2025 Q3	$19.4M	Buy	834,330 +665,185	+393%	+$14.4M	﹤0.01%	1064
2025 Q2	$3.64M	Buy	169,145 +19,015	+13%	+$328K	﹤0.01%	1390
2025 Q1	$2.18M	Buy	150,130 +9,854	+7%	+$155K	﹤0.01%	1571
2024 Q4	$2.45M	Buy	140,276 +16,910	+14%	+$262K	﹤0.01%	1561
2024 Q3	$1.37M	Buy	123,366 +5,492	+5%	+$57.8K	﹤0.01%	1831
2024 Q2	$1.27M	Buy	117,874 +6,355	+6%	+$67.5K	﹤0.01%	1786
2024 Q1	$1.27M	Buy	111,519 +7,264	+7%	+$72.8K	﹤0.01%	1796
2023 Q4	$1.07M	Buy	104,255 +59,408	+132%	+$501K	﹤0.01%	1840
2023 Q3	$336K	Buy	44,847 +4,261	+10%	+$33.6K	﹤0.01%	2292
2023 Q2	$343K	Buy	40,586 +14,898	+58%	+$121K	﹤0.01%	2305
2023 Q1	$220K	Buy	25,688 +1,454	+6%	+$11.5K	﹤0.01%	2481
2022 Q4	$160K	Buy	24,234 +2,742	+13%	+$18.5K	﹤0.01%	2596
2022 Q3	$161K	Buy	21,492 +8,422	+64%	+$59.3K	﹤0.01%	2613
2022 Q2	$75K	Buy	+13,070	New	+$96.2K	﹤0.01%	2812

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

T. Rowe Price Associates's MIR Position: Q1 2026 in Review

T. Rowe Price Associates reduced its Mirion Technologies (MIR) stake by 54% in Q1 2026, selling an estimated $10.2M and leaving 382,788 shares worth $7.12M. The position accounts for ﹤0.01% of the portfolio, ranked #1295.

T. Rowe Price Associates first reported a position in MIR in Q2 2022 and has held it in 16 quarters since. The position peaked at $19.5M in Q4 2025. 360 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

T. Rowe Price Associates held 382,788 shares of Mirion Technologies worth $7.12M as of Q1 2026.
T. Rowe Price Associates sold 451,542 Mirion Technologies shares in Q1 2026, an estimated $10.2M.
Mirion Technologies made up ﹤0.01% of T. Rowe Price Associates's portfolio in Q1 2026, its #1295 holding.
T. Rowe Price Associates first reported a position in Mirion Technologies in Q2 2022 and has held it in 16 quarters since.
T. Rowe Price Associates's Mirion Technologies position peaked at $19.5M in Q4 2025.
360 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on T. Rowe Price Associates's 13F filing for Q1 2026, filed 15 May 2026.