Sumitomo Life Insurance’s Mirion Technologies MIR Stock Holding History

Sumitomo Life Insurance’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	$1.14M	Sell	63,697 -12,912	-17%	-$239K	0.02%	188
2026 Q1	$1.42M	Sell	76,609 -5,291	-6%	-$119K	0.03%	156
2025 Q4	$1.92M	Buy	81,900 +209	+0.3%	+$5.21K	0.05%	133
2025 Q3	$1.9M	Buy	81,691 +17,196	+27%	+$372K	0.06%	122
2025 Q2	$1.39M	Buy	64,495 +41,819	+184%	+$721K	0.09%	147
2025 Q1	$329K	Buy	+22,676	New	+$356K	0.01%	260

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

Sumitomo Life Insurance's MIR Position: Q2 2026 in Review

Sumitomo Life Insurance reduced its Mirion Technologies (MIR) stake by 17% in Q2 2026, selling an estimated $239K and leaving 63,697 shares worth $1.14M. The position accounts for 0.02% of the portfolio, ranked #188.

Sumitomo Life Insurance first reported a position in MIR in Q1 2025 and has held it in 6 quarters since. The position peaked at $1.92M in Q4 2025. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

Sumitomo Life Insurance held 63,697 shares of Mirion Technologies worth $1.14M as of Q2 2026.
Sumitomo Life Insurance sold 12,912 Mirion Technologies shares in Q2 2026, an estimated $239K.
Mirion Technologies made up 0.02% of Sumitomo Life Insurance's portfolio in Q2 2026, its #188 holding.
Sumitomo Life Insurance first reported a position in Mirion Technologies in Q1 2025 and has held it in 6 quarters since.
Sumitomo Life Insurance's Mirion Technologies position peaked at $1.92M in Q4 2025.
351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Sumitomo Life Insurance's 13F filing for Q2 2026, filed 12 Aug 2026.