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Gilder Gagnon Howe & Co’s Mirion Technologies MIR Stock Holding History

Gilder Gagnon Howe & Co’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
-22,234
Closed -$388K – 255
2024
Q4 		$388K Buy
+22,234
New +$345K ﹤0.01% 237

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

Gilder Gagnon Howe & Co's MIR Position: Q1 2025 in Review

Gilder Gagnon Howe & Co sold out of Mirion Technologies (MIR) in Q1 2025, closing a stake of 22,234 shares — an estimated $388K sold.

Gilder Gagnon Howe & Co first reported a position in MIR in Q4 2024 and held it in 1 quarter. The position peaked at $388K in Q4 2024. 231 funds tracked by Wall St. Rank hold MIR as of Q1 2025.

  • Gilder Gagnon Howe & Co reported no remaining Mirion Technologies position as of Q1 2025 after selling out during the quarter.
  • Gilder Gagnon Howe & Co sold 22,234 Mirion Technologies shares in Q1 2025, an estimated $388K.
  • Gilder Gagnon Howe & Co first reported a position in Mirion Technologies in Q4 2024 and held it in 1 quarter.
  • Gilder Gagnon Howe & Co's Mirion Technologies position peaked at $388K in Q4 2024.
  • 231 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2025.

Based on Gilder Gagnon Howe & Co's 13F filing for Q1 2025, filed 15 May 2025.