Alyeska Investment Group
MIR icon

Alyeska Investment Group’s Mirion Technologies MIR Stock Holding History

Alyeska Investment Group’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
2024
Q2 		– Sell
-900,000
Closed -$10.2M – 631
2024
Q1 		$10.2M Sell
900,000
-100,000
-10% -$1M 0.06% 277
2023
Q4 		$10.3M Hold
1,000,000
– – 0.07% 258
2023
Q3 		$7.47M Hold
1,000,000
– – 0.05% 311
2023
Q2 		$8.45M Hold
1,000,000
– – 0.06% 285
2023
Q1 		$8.54M Buy
+1,000,000
New +$7.93M 0.07% 256

Other funds holding MIR

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Alyeska Investment Group's MIR Position: Q1 2026 in Review

Alyeska Investment Group increased its Mirion Technologies (MIR) stake by 76% in Q1 2026, buying an estimated $26.4M and bringing the position to 2,701,580 shares worth $50.2M. The position accounts for 0.14% of the portfolio, ranked #191.

Alyeska Investment Group first reported a position in MIR in Q3 2020 and has held it in 23 quarters since. The position peaked at $142M in Q4 2021. 361 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Alyeska Investment Group held 2,701,580 shares of Mirion Technologies worth $50.2M as of Q1 2026.
  • Alyeska Investment Group bought 1,170,363 Mirion Technologies shares in Q1 2026, an estimated $26.4M.
  • Mirion Technologies made up 0.14% of Alyeska Investment Group's portfolio in Q1 2026, its #191 holding.
  • Alyeska Investment Group first reported a position in Mirion Technologies in Q3 2020 and has held it in 23 quarters since.
  • Alyeska Investment Group's Mirion Technologies position peaked at $142M in Q4 2021.
  • 361 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Alyeska Investment Group's 13F filing for Q1 2026, filed 15 May 2026.