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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
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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
T. Rowe Price Investment Management
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
CLG
Cooperman Leon G $3.05B AUM 42.78% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Sumitomo Life Insurance's MIR Position: Q1 2026 in Review

Sumitomo Life Insurance reduced its Mirion Technologies (MIR) stake by 6.5% in Q1 2026, selling an estimated $119K and leaving 76,609 shares worth $1.42M. The position accounts for 0.03% of the portfolio, ranked #156.

Sumitomo Life Insurance first reported a position in MIR in Q1 2025 and has held it in 5 quarters since. The position peaked at $1.92M in Q4 2025. 360 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Sumitomo Life Insurance held 76,609 shares of Mirion Technologies worth $1.42M as of Q1 2026.
  • Sumitomo Life Insurance sold 5,291 Mirion Technologies shares in Q1 2026, an estimated $119K.
  • Mirion Technologies made up 0.03% of Sumitomo Life Insurance's portfolio in Q1 2026, its #156 holding.
  • Sumitomo Life Insurance first reported a position in Mirion Technologies in Q1 2025 and has held it in 5 quarters since.
  • Sumitomo Life Insurance's Mirion Technologies position peaked at $1.92M in Q4 2025.
  • 360 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Sumitomo Life Insurance's 13F filing for Q1 2026, filed 12 May 2026.