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Chescapmanager’s Mirion Technologies MIR Stock Holding History

Chescapmanager’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 		$558K Buy
+30,000
New +$677K 0.05% 28

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

Chescapmanager's MIR Position: Q1 2026 in Review

Chescapmanager held its Mirion Technologies (MIR) position steady in Q1 2026 at 1,659,137 shares worth $30.8M. The position accounts for 2.76% of the portfolio, ranked #13.

Chescapmanager first reported a position in MIR in Q1 2024 and has held it in 9 quarters since. The position peaked at $38.9M in Q4 2025. 360 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Chescapmanager held 1,659,137 shares of Mirion Technologies worth $30.8M as of Q1 2026.
  • Chescapmanager left its Mirion Technologies share count unchanged in Q1 2026.
  • Mirion Technologies made up 2.76% of Chescapmanager's portfolio in Q1 2026, its #13 holding.
  • Chescapmanager first reported a position in Mirion Technologies in Q1 2024 and has held it in 9 quarters since.
  • Chescapmanager's Mirion Technologies position peaked at $38.9M in Q4 2025.
  • 360 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Chescapmanager's 13F filing for Q1 2026, filed 14 May 2026.