JT
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Jupiter Topco’s Mirion Technologies MIR Stock Holding History

Jupiter Topco’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 		$73.8M Buy
+4,114,766
New +$76.3M 0.03% 370

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
CLG
Cooperman Leon G $3.55B AUM 41.85% 1-Year Est. Return
CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return

Jupiter Topco's MIR Position: Q2 2026 in Review

Jupiter Topco opened a new position in Mirion Technologies (MIR) in Q2 2026: 4,114,766 shares worth $73.8M. The stake represents 0.03% of the portfolio and ranks #370 among its holdings.

331 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Jupiter Topco held 4,114,766 shares of Mirion Technologies worth $73.8M as of Q2 2026.
  • Mirion Technologies was a new Jupiter Topco position in Q2 2026.
  • Mirion Technologies made up 0.03% of Jupiter Topco's portfolio in Q2 2026, its #370 holding.
  • 331 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

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