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Emerald Advisers’s Mirion Technologies MIR Stock Holding History

Emerald Advisers’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 		$25.7M Buy
1,381,574
+244,428
+21% +$5.51M 0.81% 53
2025
Q4 		$26.6M Sell
1,137,146
-19
-0% -$474 0.82% 56
2025
Q3 		$26.5M Buy
1,137,165
+171,920
+18% +$3.72M 0.85% 45
2025
Q2 		$20.8M Buy
965,245
+85,156
+10% +$1.47M 0.76% 50
2025
Q1 		$12.8M Buy
880,089
+272,098
+45% +$4.28M 0.57% 72
2024
Q4 		$10.6M Buy
+607,991
New +$9.43M 0.41% 84

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

Emerald Advisers's MIR Position: Q1 2026 in Review

Emerald Advisers increased its Mirion Technologies (MIR) stake by 21% in Q1 2026, buying an estimated $5.51M and bringing the position to 1,381,574 shares worth $25.7M. The position accounts for 0.81% of the portfolio, ranked #53.

Emerald Advisers first reported a position in MIR in Q4 2024 and has held it in 6 quarters since. The position peaked at $26.6M in Q4 2025. 360 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Emerald Advisers held 1,381,574 shares of Mirion Technologies worth $25.7M as of Q1 2026.
  • Emerald Advisers bought 244,428 Mirion Technologies shares in Q1 2026, an estimated $5.51M.
  • Mirion Technologies made up 0.81% of Emerald Advisers's portfolio in Q1 2026, its #53 holding.
  • Emerald Advisers first reported a position in Mirion Technologies in Q4 2024 and has held it in 6 quarters since.
  • Emerald Advisers's Mirion Technologies position peaked at $26.6M in Q4 2025.
  • 360 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Emerald Advisers's 13F filing for Q1 2026, filed 4 May 2026.