RhumbLine Advisers
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RhumbLine Advisers’s Mirion Technologies MIR Stock Holding History

RhumbLine Advisers’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 		$10.2M Sell
568,321
-66,094
-10% -$1.23M 0.01% 1088
2026
Q1 		$11.8M Buy
634,415
+15,131
+2% +$341K 0.01% 978
2025
Q4 		$14.5M Buy
619,284
+10,450
+2% +$261K 0.01% 889
2025
Q3 		$14.2M Buy
608,834
+290,232
+91% +$6.27M 0.01% 914
2025
Q2 		$6.86M Buy
318,602
+11,180
+4% +$193K 0.01% 1246
2025
Q1 		$4.46M Sell
307,422
-11,045
-3% -$174K ﹤0.01% 1418
2024
Q4 		$5.56M Buy
318,467
+8,288
+3% +$129K 0.01% 1373
2024
Q3 		$3.43M Sell
310,179
-15,390
-5% -$162K ﹤0.01% 1613
2024
Q2 		$3.5M Buy
325,569
+1,340
+0.4% +$14.2K ﹤0.01% 1591
2024
Q1 		$3.69M Buy
324,229
+411
+0.1% +$4.12K ﹤0.01% 1580
2023
Q4 		$3.32M Buy
323,818
+5,144
+2% +$43.4K ﹤0.01% 1644
2023
Q3 		$2.38M Buy
318,674
+2,591
+0.8% +$20.4K ﹤0.01% 1775
2023
Q2 		$2.67M Buy
316,083
+94,504
+43% +$767K ﹤0.01% 1745
2023
Q1 		$1.89M Buy
221,579
+12,044
+6% +$95.6K ﹤0.01% 1837
2022
Q4 		$1.39M Buy
209,535
+2,065
+1% +$13.9K ﹤0.01% 1976
2022
Q3 		$1.55M Buy
207,470
+13,113
+7% +$92.3K ﹤0.01% 1904
2022
Q2 		$1.12M Buy
+194,357
New +$1.43M ﹤0.01% 2082

Other funds holding MIR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
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
VCM
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
CLG
Cooperman Leon G $3.55B AUM 41.85% 1-Year Est. Return
CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return

RhumbLine Advisers's MIR Position: Q2 2026 in Review

RhumbLine Advisers reduced its Mirion Technologies (MIR) stake by 10% in Q2 2026, selling an estimated $1.23M and leaving 568,321 shares worth $10.2M. The position accounts for 0.01% of the portfolio, ranked #1088.

RhumbLine Advisers first reported a position in MIR in Q2 2022 and has held it in 17 quarters since. The position peaked at $14.5M in Q4 2025. 330 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • RhumbLine Advisers held 568,321 shares of Mirion Technologies worth $10.2M as of Q2 2026.
  • RhumbLine Advisers sold 66,094 Mirion Technologies shares in Q2 2026, an estimated $1.23M.
  • Mirion Technologies made up 0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #1088 holding.
  • RhumbLine Advisers first reported a position in Mirion Technologies in Q2 2022 and has held it in 17 quarters since.
  • RhumbLine Advisers's Mirion Technologies position peaked at $14.5M in Q4 2025.
  • 330 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.