D.E. Shaw & Co
MIR icon

D.E. Shaw & Co’s Mirion Technologies MIR Stock Holding History

D.E. Shaw & 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
2026
Q2 		$6.89M Hold
384,000
– – ﹤0.01% 2155
2026
Q1 		$7.14M Hold
384,000
– – ﹤0.01% 1899
2025
Q4 		$8.99M Hold
384,000
– – ﹤0.01% 1855
2025
Q3 		$8.93M Hold
384,000
– – 0.01% 1777
2025
Q2 		$8.27M Buy
+384,000
New +$6.62M 0.01% 1640

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

D.E. Shaw & Co's MIR Position: Q2 2026 in Review

D.E. Shaw & Co reduced its Mirion Technologies (MIR) stake by 14% in Q2 2026, selling an estimated $1.26M and leaving 400,454 shares worth $7.18M. The position accounts for ﹤0.01% of the portfolio, ranked #2117.

D.E. Shaw & Co first reported a position in MIR in Q2 2021 and has held it in 10 quarters since. The position peaked at $28.8M in Q3 2025. 352 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • D.E. Shaw & Co held 400,454 shares of Mirion Technologies worth $7.18M as of Q2 2026.
  • D.E. Shaw & Co sold 67,683 Mirion Technologies shares in Q2 2026, an estimated $1.26M.
  • Mirion Technologies made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q2 2026, its #2117 holding.
  • D.E. Shaw & Co first reported a position in Mirion Technologies in Q2 2021 and has held it in 10 quarters since.
  • D.E. Shaw & Co's Mirion Technologies position peaked at $28.8M in Q3 2025.
  • 352 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.