Millennium Management
MIR icon

Millennium Management’s Mirion Technologies MIR Stock Holding History

Millennium 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 		$5.91M Buy
+317,900
New +$7.17M ﹤0.01% 2756

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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Millennium Management's MIR Position: Q1 2026 in Review

Millennium Management opened a new position in Mirion Technologies (MIR) in Q1 2026: 5,106,801 shares worth $94.9M. The stake represents 0.04% of the portfolio and ranks #474 among its holdings. This is a return to the name: Millennium Management previously reported a position in MIR as recently as Q3 2025.

Millennium Management first reported a position in MIR in Q3 2020 and has held it in 13 quarters since. 361 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Millennium Management held 5,106,801 shares of Mirion Technologies worth $94.9M as of Q1 2026.
  • Mirion Technologies was a new Millennium Management position in Q1 2026.
  • Mirion Technologies made up 0.04% of Millennium Management's portfolio in Q1 2026, its #474 holding.
  • Millennium Management first reported a position in Mirion Technologies in Q3 2020 and has held it in 13 quarters since.
  • 361 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.