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
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 $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

Loomis, Sayles & Company's MIR Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its Mirion Technologies (MIR) stake by 6.2% in Q1 2026, selling an estimated $3.96M and leaving 2,670,228 shares worth $49.6M. The position accounts for 0.07% of the portfolio, ranked #97.

Loomis, Sayles & Company first reported a position in MIR in Q2 2025 and has held it in 4 quarters since. The position peaked at $66.6M in Q4 2025. 361 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Loomis, Sayles & Company held 2,670,228 shares of Mirion Technologies worth $49.6M as of Q1 2026.
  • Loomis, Sayles & Company sold 175,391 Mirion Technologies shares in Q1 2026, an estimated $3.96M.
  • Mirion Technologies made up 0.07% of Loomis, Sayles & Company's portfolio in Q1 2026, its #97 holding.
  • Loomis, Sayles & Company first reported a position in Mirion Technologies in Q2 2025 and has held it in 4 quarters since.
  • Loomis, Sayles & Company's Mirion Technologies position peaked at $66.6M in Q4 2025.
  • 361 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.