Hudson Bay Capital Management
MIR icon

Hudson Bay Capital Management’s Mirion Technologies MIR Stock Holding History

Hudson Bay 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
Q2 		– Sell
-46,270
Closed -$860K – 1557
2026
Q1 		$860K Buy
46,270
+6,270
+16% +$141K ﹤0.01% 903
2025
Q4 		$937K Buy
+40,000
New +$998K ﹤0.01% 805
2023
Q3 		– Sell
-210,188
Closed -$1.78M – 890
2023
Q2 		$1.78M Sell
210,188
-157,919
-43% -$1.28M 0.01% 520
2023
Q1 		$3.14M Buy
368,107
+15,187
+4% +$120K 0.03% 416
2022
Q4 		$2.33M Buy
352,920
+22,504
+7% +$151K 0.02% 569
2022
Q3 		$2.47M Buy
330,416
+291,392
+747% +$2.05M 0.02% 679
2022
Q2 		$225K Sell
39,024
-230,205
-86% -$1.69M ﹤0.01% 1002
2022
Q1 		$2.17M Sell
269,229
-433,908
-62% -$3.74M 0.03% 678
2021
Q4 		$7.36M Buy
703,137
+148,416
+27% +$1.59M 0.07% 217
2021
Q3 		$5.67M Buy
554,721
+479,721
+640% +$4.84M 0.08% 291
2021
Q2 		$780K Sell
75,000
-270,116
-78% -$2.78M 0.01% 758
2021
Q1 		$3.6M Sell
345,116
-1,664,924
-83% -$19.6M 0.04% 385
2020
Q4 		$21.9M Buy
2,010,040
+310,040
+18% +$3.2M 0.24% 57
2020
Q3 		$18.3M Buy
+1,700,000
New +$17.6M 0.27% 58

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

Hudson Bay Capital Management's MIR Position: Q2 2026 in Review

Hudson Bay Capital Management sold out of Mirion Technologies (MIR) in Q2 2026, closing a stake of 46,270 shares — an estimated $860K sold.

Hudson Bay Capital Management first reported a position in MIR in Q3 2020 and held it in 14 quarters. The position peaked at $21.9M in Q4 2020. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Hudson Bay Capital Management reported no remaining Mirion Technologies position as of Q2 2026 after selling out during the quarter.
  • Hudson Bay Capital Management sold 46,270 Mirion Technologies shares in Q2 2026, an estimated $860K.
  • Hudson Bay Capital Management first reported a position in Mirion Technologies in Q3 2020 and held it in 14 quarters.
  • Hudson Bay Capital Management's Mirion Technologies position peaked at $21.9M in Q4 2020.
  • 351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.