CIBC World Markets’s Mirion Technologies MIR Stock Holding History

CIBC World Markets’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
2025 Q4	$372K	Buy	+15,870	New	+$396K	﹤0.01%	893
2025 Q2	$557K	Sell	25,892 -19,946	-44%	-$344K	﹤0.01%	830
2025 Q1	$665K	Buy	45,838 +26,506	+137%	+$417K	0.01%	866
2024 Q4	$337K	Buy	+19,332	New	+$300K	﹤0.01%	881
2024 Q2	–	Sell	-575,000	Closed	-$6.54M	–	762
2024 Q1	$6.54M	Sell	575,000 -500,000	-47%	-$5.01M	0.04%	270
2023 Q4	$11M	Buy	1,075,000 +300,000	+39%	+$2.53M	0.06%	225
2023 Q3	$5.79M	Hold	775,000	–	–	0.06%	220
2023 Q2	$6.55M	Buy	775,000 +275,000	+55%	+$2.23M	0.05%	241
2023 Q1	$4.27M	Buy	+500,000	New	+$3.97M	0.07%	220

Other funds holding MIR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

CLG

Cooperman Leon G $3.05B AUM 42.78% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

CIBC World Markets's MIR Position: Q4 2025 in Review

CIBC World Markets opened a new position in Mirion Technologies (MIR) in Q4 2025: 15,870 shares worth $372K. The stake represents ﹤0.01% of the portfolio and ranks #893 among its holdings. This is a return to the name: CIBC World Markets previously reported a position in MIR as recently as Q2 2025.

CIBC World Markets first reported a position in MIR in Q1 2023 and has held it in 9 quarters since. The position peaked at $11M in Q4 2023. 365 funds tracked by Wall St. Rank hold MIR as of Q4 2025.

CIBC World Markets held 15,870 shares of Mirion Technologies worth $372K as of Q4 2025.
Mirion Technologies was a new CIBC World Markets position in Q4 2025.
Mirion Technologies made up ﹤0.01% of CIBC World Markets's portfolio in Q4 2025, its #893 holding.
CIBC World Markets first reported a position in Mirion Technologies in Q1 2023 and has held it in 9 quarters since.
CIBC World Markets's Mirion Technologies position peaked at $11M in Q4 2023.
365 funds tracked by Wall St. Rank held Mirion Technologies as of Q4 2025.

Based on CIBC World Markets's 13F filing for Q4 2025, filed 12 Feb 2026.