Parallax Volatility Advisers’s Mirion Technologies MIR Stock Holding History

Parallax Volatility 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	$14.3M	Buy	+800,000	New	+$14.8M	0.02%	332
2025 Q4	–	Sell	-28,600	Closed	-$665K	–	1773
2025 Q3	$665K	Buy	+28,600	New	+$618K	﹤0.01%	1196
2025 Q1	–	Sell	-115,300	Closed	-$2.01M	–	1916
2024 Q4	$2.01M	Buy	+115,300	New	+$1.79M	﹤0.01%	1129
2024 Q1	–	Sell	-150,000	Closed	-$1.54M	–	2149
2023 Q4	$1.54M	Buy	+150,000	New	+$1.27M	﹤0.01%	1256
2021 Q2	–	Sell	-403,200	Closed	-$4.21M	–	3340
2021 Q1	$4.21M	Buy	+403,200	New	+$4.74M	﹤0.01%	1380

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

Parallax Volatility Advisers's MIR Position: Q2 2026 in Review

Parallax Volatility Advisers opened a new position in Mirion Technologies (MIR) in Q2 2026: 38,018 shares worth $682K. The stake represents ﹤0.01% of the portfolio and ranks #1047 among its holdings. This is a return to the name: Parallax Volatility Advisers previously reported a position in MIR as recently as Q4 2024.

Parallax Volatility Advisers first reported a position in MIR in Q4 2024 and has held it in 2 quarters since. 352 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

Parallax Volatility Advisers held 38,018 shares of Mirion Technologies worth $682K as of Q2 2026.
Mirion Technologies was a new Parallax Volatility Advisers position in Q2 2026.
Mirion Technologies made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q2 2026, its #1047 holding.
Parallax Volatility Advisers first reported a position in Mirion Technologies in Q4 2024 and has held it in 2 quarters since.
352 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.