Public Sector Pension Investment Board (PSP Investments)’s Mirion Technologies MIR Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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
2022 Q2	–	Sell	-375,000	Closed	-$3.03M	–	1382
2022 Q1	$3.03M	Hold	375,000	–	–	0.02%	763
2021 Q4	$3.93M	Hold	375,000	–	–	0.02%	705
2021 Q3	$3.83M	Hold	375,000	–	–	0.02%	710
2021 Q2	$3.9M	Hold	375,000	–	–	0.02%	715
2021 Q1	$3.91M	Hold	375,000	–	–	0.03%	613
2020 Q4	$4.09M	Hold	375,000	–	–	0.03%	550
2020 Q3	$4.04M	Buy	+375,000	New	+$3.89M	0.03%	492

Other funds holding MIR

BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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 $1.88T AUM 44.46% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s MIR Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) increased its Mirion Technologies (MIR) stake by 2.1% in Q1 2026, buying an estimated $397K and bringing the position to 875,290 shares worth $16.3M. The position accounts for 0.05% of the portfolio, ranked #326.

Public Sector Pension Investment Board (PSP Investments) first reported a position in MIR in Q3 2020 and has held it in 8 quarters since. The position peaked at $22.2M in Q3 2025. 361 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

Public Sector Pension Investment Board (PSP Investments) held 875,290 shares of Mirion Technologies worth $16.3M as of Q1 2026.
Public Sector Pension Investment Board (PSP Investments) bought 17,606 Mirion Technologies shares in Q1 2026, an estimated $397K.
Mirion Technologies made up 0.05% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q1 2026, its #326 holding.
Public Sector Pension Investment Board (PSP Investments) first reported a position in Mirion Technologies in Q3 2020 and has held it in 8 quarters since.
Public Sector Pension Investment Board (PSP Investments)'s Mirion Technologies position peaked at $22.2M in Q3 2025.
361 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.