Loomis, Sayles & Company
MIR icon

Loomis, Sayles & Company’s Mirion Technologies MIR Stock Holding History

Loomis, Sayles & Company’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 		$45.3M Sell
2,525,188
-145,040
-5% -$2.69M 0.06% 129
2026
Q1 		$49.6M Sell
2,670,228
-175,391
-6% -$3.96M 0.07% 97
2025
Q4 		$66.6M Buy
2,845,619
+84,084
+3% +$2.1M 0.08% 76
2025
Q3 		$64.2M Buy
2,761,535
+1,169,847
+73% +$25.3M 0.08% 87
2025
Q2 		$34.3M Buy
+1,591,688
New +$27.4M 0.04% 157

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

Loomis, Sayles & Company's MIR Position: Q2 2026 in Review

Loomis, Sayles & Company reduced its Mirion Technologies (MIR) stake by 5.4% in Q2 2026, selling an estimated $2.69M and leaving 2,525,188 shares worth $45.3M. The position accounts for 0.06% of the portfolio, ranked #129.

Loomis, Sayles & Company first reported a position in MIR in Q2 2025 and has held it in 5 quarters since. The position peaked at $66.6M in Q4 2025. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Loomis, Sayles & Company held 2,525,188 shares of Mirion Technologies worth $45.3M as of Q2 2026.
  • Loomis, Sayles & Company sold 145,040 Mirion Technologies shares in Q2 2026, an estimated $2.69M.
  • Mirion Technologies made up 0.06% of Loomis, Sayles & Company's portfolio in Q2 2026, its #129 holding.
  • Loomis, Sayles & Company first reported a position in Mirion Technologies in Q2 2025 and has held it in 5 quarters since.
  • Loomis, Sayles & Company's Mirion Technologies position peaked at $66.6M in Q4 2025.
  • 351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Loomis, Sayles & Company's 13F filing for Q2 2026, filed 14 Aug 2026.