Vanguard Personalized Indexing Management
MIR icon

Vanguard Personalized Indexing Management’s Mirion Technologies MIR Stock Holding History

Vanguard Personalized Indexing 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
Q2 		$182K Sell
10,169
-4,579
-31% -$84.9K ﹤0.01% 1953
2026
Q1 		$274K Buy
14,748
+5,689
+63% +$128K ﹤0.01% 1657
2025
Q4 		$212K Buy
+9,059
New +$226K ﹤0.01% 1699

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

Vanguard Personalized Indexing Management's MIR Position: Q2 2026 in Review

Vanguard Personalized Indexing Management reduced its Mirion Technologies (MIR) stake by 31% in Q2 2026, selling an estimated $84.9K and leaving 10,169 shares worth $182K. The position accounts for ﹤0.01% of the portfolio, ranked #1953.

Vanguard Personalized Indexing Management first reported a position in MIR in Q4 2025 and has held it in 3 quarters since. The position peaked at $274K in Q1 2026. 352 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Vanguard Personalized Indexing Management held 10,169 shares of Mirion Technologies worth $182K as of Q2 2026.
  • Vanguard Personalized Indexing Management sold 4,579 Mirion Technologies shares in Q2 2026, an estimated $84.9K.
  • Mirion Technologies made up ﹤0.01% of Vanguard Personalized Indexing Management's portfolio in Q2 2026, its #1953 holding.
  • Vanguard Personalized Indexing Management first reported a position in Mirion Technologies in Q4 2025 and has held it in 3 quarters since.
  • Vanguard Personalized Indexing Management's Mirion Technologies position peaked at $274K in Q1 2026.
  • 352 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q2 2026, filed 11 Aug 2026.