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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
Q2 		– Sell
-30,000
Closed -$558K – 29
2026
Q1 		$558K Buy
+30,000
New +$677K 0.05% 28

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 $3.37T AUM 44.26% 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

Chescapmanager's MIR Position: Q2 2026 in Review

Chescapmanager held its Mirion Technologies (MIR) position steady in Q2 2026 at 1,659,137 shares worth $29.7M. The position accounts for 2.53% of the portfolio, ranked #13.

Chescapmanager first reported a position in MIR in Q1 2024 and has held it in 10 quarters since. The position peaked at $38.9M in Q4 2025. 352 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Chescapmanager held 1,659,137 shares of Mirion Technologies worth $29.7M as of Q2 2026.
  • Chescapmanager left its Mirion Technologies share count unchanged in Q2 2026.
  • Mirion Technologies made up 2.53% of Chescapmanager's portfolio in Q2 2026, its #13 holding.
  • Chescapmanager first reported a position in Mirion Technologies in Q1 2024 and has held it in 10 quarters since.
  • Chescapmanager's Mirion Technologies position peaked at $38.9M in Q4 2025.
  • 352 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Chescapmanager's 13F filing for Q2 2026, filed 14 Aug 2026.