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Duquesne Family Office’s Mirion Technologies MIR Stock Holding History

Duquesne Family Office’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
Q1 		– Sell
-342,700
Closed -$5.98M – 70
2024
Q4 		$5.98M Buy
+342,700
New +$5.31M 0.16% 66

Other funds holding MIR

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
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
CLG
Cooperman Leon G $3.05B AUM 42.78% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Duquesne Family Office's MIR Position: Q1 2025 in Review

Duquesne Family Office sold out of Mirion Technologies (MIR) in Q1 2025, closing a stake of 342,700 shares — an estimated $5.98M sold.

Duquesne Family Office first reported a position in MIR in Q4 2024 and held it in 1 quarter. The position peaked at $5.98M in Q4 2024. 231 funds tracked by Wall St. Rank hold MIR as of Q1 2025.

  • Duquesne Family Office reported no remaining Mirion Technologies position as of Q1 2025 after selling out during the quarter.
  • Duquesne Family Office sold 342,700 Mirion Technologies shares in Q1 2025, an estimated $5.98M.
  • Duquesne Family Office first reported a position in Mirion Technologies in Q4 2024 and held it in 1 quarter.
  • Duquesne Family Office's Mirion Technologies position peaked at $5.98M in Q4 2024.
  • 231 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2025.

Based on Duquesne Family Office's 13F filing for Q1 2025, filed 15 May 2025.