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Ostrum Asset Management’s Mirion Technologies MIR Stock Holding History

Ostrum Asset Management’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 		– Sell
-34,380
Closed -$805K – 580
2025
Q4 		$805K Buy
+34,380
New +$857K 0.04% 311

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

Ostrum Asset Management's MIR Position: Q1 2026 in Review

Ostrum Asset Management sold out of Mirion Technologies (MIR) in Q1 2026, closing a stake of 34,380 shares — an estimated $805K sold.

Ostrum Asset Management first reported a position in MIR in Q4 2025 and held it in 1 quarter. The position peaked at $805K in Q4 2025. 360 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Ostrum Asset Management reported no remaining Mirion Technologies position as of Q1 2026 after selling out during the quarter.
  • Ostrum Asset Management sold 34,380 Mirion Technologies shares in Q1 2026, an estimated $805K.
  • Ostrum Asset Management first reported a position in Mirion Technologies in Q4 2025 and held it in 1 quarter.
  • Ostrum Asset Management's Mirion Technologies position peaked at $805K in Q4 2025.
  • 360 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Ostrum Asset Management's 13F filing for Q1 2026, filed 14 May 2026.