SignatureFD’s Mirion Technologies MIR Stock Holding History

SignatureFD’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 Q3	$1.64K	Buy	116 +101	+673%	+$1.6K	﹤0.01%	3227
2026 Q2	$269	Sell	15 -170	-92%	-$3.15K	﹤0.01%	3400
2026 Q1	$3.44K	Buy	185 +151	+444%	+$3.41K	﹤0.01%	2905
2025 Q4	$796	Buy	34 +19	+127%	+$474	﹤0.01%	3152
2025 Q3	$349	Hold	15	–	–	﹤0.01%	3237
2025 Q2	$323	Hold	15	–	–	﹤0.01%	3156
2025 Q1	$218	Buy	+15	New	+$236	﹤0.01%	3240
2022 Q4	–	Sell	-310	Closed	-$2K	–	3367
2022 Q3	$2K	Buy	+310	New	+$2.18K	﹤0.01%	2809

Other funds holding MIR

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.8B AUM 33.92% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

TimesSquare Capital Management New York $6.12B AUM 30.01% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Conestoga Capital Advisors Wayne, Pennsylvania $3.31B AUM 6.07% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

SignatureFD's MIR Position: Q3 2026 in Review

SignatureFD increased its Mirion Technologies (MIR) stake by 673% in Q3 2026, buying an estimated $1.6K and bringing the position to 116 shares worth $1.64K. The position accounts for ﹤0.01% of the portfolio, ranked #3227.

SignatureFD first reported a position in MIR in Q3 2022 and has held it in 8 quarters since. The position peaked at $3.44K in Q1 2026. 146 funds tracked by Wall St. Rank hold MIR as of Q3 2026.

SignatureFD held 116 shares of Mirion Technologies worth $1.64K as of Q3 2026.
SignatureFD bought 101 Mirion Technologies shares in Q3 2026, an estimated $1.6K.
Mirion Technologies made up ﹤0.01% of SignatureFD's portfolio in Q3 2026, its #3227 holding.
SignatureFD first reported a position in Mirion Technologies in Q3 2022 and has held it in 8 quarters since.
SignatureFD's Mirion Technologies position peaked at $3.44K in Q1 2026.
146 funds tracked by Wall St. Rank held Mirion Technologies as of Q3 2026.

Based on SignatureFD's 13F filing for Q3 2026, filed 23 Oct 2026.