Optiver Holding
MIR icon

Optiver Holding’s Mirion Technologies MIR Stock Holding History

Optiver Holding’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 		– Sell
-514
Closed -$12K – 2780
2025
Q3 		$12K Buy
+514
New +$11.1K ﹤0.01% 1186
2025
Q2 		– Sell
-736
Closed -$10.7K – 1571
2025
Q1 		$10.7K Sell
736
-387
-34% -$6.08K ﹤0.01% 876
2024
Q4 		$19.6K Buy
1,123
+488
+77% +$7.57K ﹤0.01% 687
2024
Q3 		$7.03K Sell
635
-1,680
-73% -$17.7K ﹤0.01% 770
2024
Q2 		$24.9K Buy
+2,315
New +$24.6K ﹤0.01% 616

Other funds holding MIR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
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
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Optiver Holding's MIR Position: Q4 2025 in Review

Optiver Holding sold out of Mirion Technologies (MIR) in Q4 2025, closing a stake of 514 shares — an estimated $12K sold.

Optiver Holding first reported a position in MIR in Q2 2024 and held it in 5 quarters. The position peaked at $24.9K in Q2 2024. 365 funds tracked by Wall St. Rank hold MIR as of Q4 2025.

  • Optiver Holding reported no remaining Mirion Technologies position as of Q4 2025 after selling out during the quarter.
  • Optiver Holding sold 514 Mirion Technologies shares in Q4 2025, an estimated $12K.
  • Optiver Holding first reported a position in Mirion Technologies in Q2 2024 and held it in 5 quarters.
  • Optiver Holding's Mirion Technologies position peaked at $24.9K in Q2 2024.
  • 365 funds tracked by Wall St. Rank held Mirion Technologies as of Q4 2025.

Based on Optiver Holding's 13F filing for Q4 2025, filed 17 Feb 2026.