Geode Capital Management
MIR icon

Geode Capital Management’s Mirion Technologies MIR Stock Holding History

Geode Capital 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
Q3 		$85.9M Sell
6,085,381
-194,667
-3% -$3.08M ﹤0.01% 1250
2026
Q2 		$113M Buy
6,280,048
+339,873
+6% +$6.3M 0.01% 1114
2026
Q1 		$110M Buy
5,940,175
+153,579
+3% +$3.46M 0.01% 1024
2025
Q4 		$136M Buy
5,786,596
+157,687
+3% +$3.93M 0.01% 894
2025
Q3 		$131M Buy
5,628,909
+889,669
+19% +$19.2M 0.01% 915
2025
Q2 		$102M Buy
4,739,240
+471
+0% +$8.12K 0.01% 1011
2025
Q1 		$68.7M Buy
4,738,769
+166,941
+4% +$2.62M 0.01% 1190
2024
Q4 		$79.8M Buy
4,571,828
+69,373
+2% +$1.08M 0.01% 1137
2024
Q3 		$49.9M Buy
4,502,455
+147,408
+3% +$1.55M ﹤0.01% 1429
2024
Q2 		$46.8M Buy
4,355,047
+154,440
+4% +$1.64M ﹤0.01% 1406
2024
Q1 		$47.8M Buy
4,200,607
+113,081
+3% +$1.13M ﹤0.01% 1388
2023
Q4 		$41.9M Buy
4,087,526
+211,695
+5% +$1.79M ﹤0.01% 1454
2023
Q3 		$29M Buy
3,875,831
+717,774
+23% +$5.66M ﹤0.01% 1577
2023
Q2 		$26.7M Buy
3,158,057
+707,193
+29% +$5.74M ﹤0.01% 1664
2023
Q1 		$20.9M Buy
2,450,864
+66,599
+3% +$528K ﹤0.01% 1772
2022
Q4 		$15.8M Buy
2,384,265
+95,637
+4% +$644K ﹤0.01% 1934
2022
Q3 		$17.1M Buy
2,288,628
+206,281
+10% +$1.45M ﹤0.01% 1852
2022
Q2 		$12M Buy
2,082,347
+1,170,138
+128% +$8.61M ﹤0.01% 2129
2022
Q1 		$7.36M Buy
912,209
+25,613
+3% +$221K ﹤0.01% 2566
2021
Q4 		$9.28M Buy
+886,596
New +$9.5M ﹤0.01% 2490

Other funds holding MIR

Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
TCW Group
TCW Group Los Angeles, California $13B AUM 38.16% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return

Geode Capital Management's MIR Position: Q3 2026 in Review

Geode Capital Management reduced its Mirion Technologies (MIR) stake by 3.1% in Q3 2026, selling an estimated $3.08M and leaving 6,085,381 shares worth $85.9M. The position accounts for ﹤0.01% of the portfolio, ranked #1250.

Geode Capital Management first reported a position in MIR in Q4 2021 and has held it in 20 quarters since. The position peaked at $136M in Q4 2025. 252 funds tracked by Wall St. Rank hold MIR as of Q3 2026.

  • Geode Capital Management held 6,085,381 shares of Mirion Technologies worth $85.9M as of Q3 2026.
  • Geode Capital Management sold 194,667 Mirion Technologies shares in Q3 2026, an estimated $3.08M.
  • Mirion Technologies made up ﹤0.01% of Geode Capital Management's portfolio in Q3 2026, its #1250 holding.
  • Geode Capital Management first reported a position in Mirion Technologies in Q4 2021 and has held it in 20 quarters since.
  • Geode Capital Management's Mirion Technologies position peaked at $136M in Q4 2025.
  • 252 funds tracked by Wall St. Rank held Mirion Technologies as of Q3 2026.

Based on Geode Capital Management's 13F filing for Q3 2026, filed 6 Nov 2026.