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 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 $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

DDD Partners's MIR Position: Q1 2026 in Review

DDD Partners increased its Mirion Technologies (MIR) stake by 127% in Q1 2026, buying an estimated $1.8M and bringing the position to 142,790 shares worth $2.65M. The position accounts for 0.18% of the portfolio, ranked #63.

DDD Partners first reported a position in MIR in Q4 2025 and has held it in 2 quarters since. 361 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

DDD Partners held 142,790 shares of Mirion Technologies worth $2.65M as of Q1 2026.
DDD Partners bought 79,752 Mirion Technologies shares in Q1 2026, an estimated $1.8M.
Mirion Technologies made up 0.18% of DDD Partners's portfolio in Q1 2026, its #63 holding.
DDD Partners first reported a position in Mirion Technologies in Q4 2025 and has held it in 2 quarters since.
361 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on DDD Partners's 13F filing for Q1 2026, filed 28 Apr 2026.