TwinBeech Capital’s Mirion Technologies MIR Stock Holding History

TwinBeech Capital’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	$260K	Sell	14,008 -43,092	-75%	-$972K	0.03%	473
2025 Q4	$1.34M	Buy	+57,100	New	+$1.42M	0.1%	254
2022 Q2	–	Sell	-18,911	Closed	-$153K	–	640
2022 Q1	$153K	Buy	18,911 +7,694	+69%	+$66.3K	0.01%	459
2021 Q4	$117K	Buy	+11,217	New	+$120K	0.01%	529

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

TwinBeech Capital's MIR Position: Q1 2026 in Review

TwinBeech Capital reduced its Mirion Technologies (MIR) stake by 75% in Q1 2026, selling an estimated $972K and leaving 14,008 shares worth $260K. The position accounts for 0.03% of the portfolio, ranked #473.

TwinBeech Capital first reported a position in MIR in Q4 2021 and has held it in 4 quarters since. The position peaked at $1.34M in Q4 2025. 360 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

TwinBeech Capital held 14,008 shares of Mirion Technologies worth $260K as of Q1 2026.
TwinBeech Capital sold 43,092 Mirion Technologies shares in Q1 2026, an estimated $972K.
Mirion Technologies made up 0.03% of TwinBeech Capital's portfolio in Q1 2026, its #473 holding.
TwinBeech Capital first reported a position in Mirion Technologies in Q4 2021 and has held it in 4 quarters since.
TwinBeech Capital's Mirion Technologies position peaked at $1.34M in Q4 2025.
360 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on TwinBeech Capital's 13F filing for Q1 2026, filed 15 May 2026.