RS
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Robeco Schweiz’s Mirion Technologies MIR Stock Holding History

Robeco Schweiz’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 		$7.6M Buy
424,000
+194,000
+84% +$3.6M 0.12% 106
2026
Q1 		$4.28M Hold
230,000
– – 0.09% 111
2025
Q4 		$5.39M Hold
230,000
– – 0.12% 114
2025
Q3 		$5.35M Hold
230,000
– – 0.12% 110
2025
Q2 		$4.95M Buy
+230,000
New +$3.96M 0.11% 111

Other funds holding MIR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
TG
TCW Group Los Angeles, California $14.9B AUM 46.29% 1-Year Est. Return
SIMG
Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return
TCM
TimesSquare Capital Management New York $6.8B AUM 45.85% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
EA
Emerald Advisers Leola, Pennsylvania $4.25B AUM 141.71% 1-Year Est. Return
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return

Robeco Schweiz's MIR Position: Q2 2026 in Review

Robeco Schweiz increased its Mirion Technologies (MIR) stake by 84% in Q2 2026, buying an estimated $3.6M and bringing the position to 424,000 shares worth $7.6M. The position accounts for 0.12% of the portfolio, ranked #106.

Robeco Schweiz first reported a position in MIR in Q2 2025 and has held it in 5 quarters since. 157 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Robeco Schweiz held 424,000 shares of Mirion Technologies worth $7.6M as of Q2 2026.
  • Robeco Schweiz bought 194,000 Mirion Technologies shares in Q2 2026, an estimated $3.6M.
  • Mirion Technologies made up 0.12% of Robeco Schweiz's portfolio in Q2 2026, its #106 holding.
  • Robeco Schweiz first reported a position in Mirion Technologies in Q2 2025 and has held it in 5 quarters since.
  • 157 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Robeco Schweiz's 13F filing for Q2 2026, filed 28 Jul 2026.