Group One Trading
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Group One Trading’s Mirion Technologies MIR Stock Holding History

Group One Trading’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 		$27.9K Sell
1,500
-22,400
-94% -$505K ﹤0.01% 5730
2025
Q4 		$560K Sell
23,900
-6,500
-21% -$162K ﹤0.01% 3393
2025
Q3 		$707K Sell
30,400
-202,100
-87% -$4.37M ﹤0.01% 3351
2025
Q2 		$5.01M Buy
232,500
+232,000
+46,400% +$4M 0.01% 1326
2025
Q1 		$7.25K Sell
500
-3,900
-89% -$61.3K ﹤0.01% 6451
2024
Q4 		$76.8K Sell
4,400
-1,500
-25% -$23.3K ﹤0.01% 4730
2024
Q3 		$65.3K Sell
5,900
-8,100
-58% -$85.2K ﹤0.01% 4468
2024
Q2 		$150K Buy
14,000
+13,500
+2,700% +$143K ﹤0.01% 3634
2024
Q1 		$5.68K Sell
500
-900
-64% -$9.02K ﹤0.01% 6130
2023
Q4 		$14.3K Sell
1,400
-49,700
-97% -$419K ﹤0.01% 5973
2023
Q3 		$382K Buy
51,100
+50,600
+10,120% +$399K ﹤0.01% 3189
2023
Q2 		$4.22K Hold
500
– – ﹤0.01% 6789
2023
Q1 		$4.27K Sell
500
-130,000
-100% -$1.03M ﹤0.01% 6350
2022
Q4 		$863K Hold
130,500
– – ﹤0.01% 2549
2022
Q3 		$975K Sell
130,500
-146,900
-53% -$1.03M ﹤0.01% 2608
2022
Q2 		$1.6M Sell
277,400
-17,600
-6% -$129K ﹤0.01% 2261
2022
Q1 		$2.38M Buy
295,000
+251,600
+580% +$2.17M ﹤0.01% 2236
2021
Q4 		$454K Sell
43,400
-536,100
-93% -$5.76M ﹤0.01% 4241
2021
Q3 		$5.92M Sell
579,500
-749,800
-56% -$7.57M 0.01% 1526
2021
Q2 		$13.8M Buy
1,329,300
+64,800
+5% +$667K 0.02% 850
2021
Q1 		$13.2M Buy
+1,264,500
New +$14.8M 0.02% 762

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
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Group One Trading's MIR Position: Q1 2025 in Review

Group One Trading sold out of Mirion Technologies (MIR) in Q1 2025, closing a stake of 43,240 shares — an estimated $680K sold.

Group One Trading first reported a position in MIR in Q1 2021 and held it in 9 quarters. The position peaked at $9.34M in Q2 2021. 231 funds tracked by Wall St. Rank hold MIR as of Q1 2025.

  • Group One Trading reported no remaining Mirion Technologies position as of Q1 2025 after selling out during the quarter.
  • Group One Trading sold 43,240 Mirion Technologies shares in Q1 2025, an estimated $680K.
  • Group One Trading first reported a position in Mirion Technologies in Q1 2021 and held it in 9 quarters.
  • Group One Trading's Mirion Technologies position peaked at $9.34M in Q2 2021.
  • 231 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2025.

Based on Group One Trading's 13F filing for Q1 2025, filed 14 May 2025.