Capstone Investment Advisors
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Capstone Investment Advisors’s Mirion Technologies MIR Stock Holding History

Capstone Investment Advisors’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 		– Sell
-75,700
Closed -$1.41M – 1821
2026
Q1 		$1.41M Hold
75,700
– – ﹤0.01% 742
2025
Q4 		$1.77M Hold
75,700
– – ﹤0.01% 663
2025
Q3 		$1.76M Sell
75,700
-28,650
-27% -$619K ﹤0.01% 804
2025
Q2 		$2.25M Buy
+104,350
New +$1.8M 0.01% 606
2024
Q3 		– Sell
-24,579
Closed -$264K – 2093
2024
Q2 		$264K Sell
24,579
-22,722
-48% -$242K ﹤0.01% 1648
2024
Q1 		$538K Buy
+47,301
New +$474K ﹤0.01% 1516
2021
Q4 		– Sell
-583,200
Closed -$5.96M – 1995
2021
Q3 		$5.96M Buy
+583,200
New +$5.88M 0.01% 796

Other funds holding MIR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Alyeska Investment Group
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
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

Capstone Investment Advisors's MIR Position: Q2 2026 in Review

Capstone Investment Advisors sold out of Mirion Technologies (MIR) in Q2 2026, closing a stake of 75,700 shares — an estimated $1.41M sold.

Capstone Investment Advisors first reported a position in MIR in Q3 2021 and held it in 7 quarters. The position peaked at $5.96M in Q3 2021. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Capstone Investment Advisors reported no remaining Mirion Technologies position as of Q2 2026 after selling out during the quarter.
  • Capstone Investment Advisors sold 75,700 Mirion Technologies shares in Q2 2026, an estimated $1.41M.
  • Capstone Investment Advisors first reported a position in Mirion Technologies in Q3 2021 and held it in 7 quarters.
  • Capstone Investment Advisors's Mirion Technologies position peaked at $5.96M in Q3 2021.
  • 351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Capstone Investment Advisors's 13F filing for Q2 2026, filed 17 Aug 2026.