Walleye Capital
MIR icon

Walleye Capital’s Mirion Technologies MIR Stock Holding History

Walleye Capital’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 		$798K Buy
44,500
+10,600
+31% +$197K ﹤0.01% 2315
2026
Q1 		$630K Sell
33,900
-33,000
-49% -$744K ﹤0.01% 2475
2025
Q4 		$1.57M Buy
66,900
+42,900
+179% +$1.07M ﹤0.01% 2060
2025
Q3 		$558K Buy
+24,000
New +$519K ﹤0.01% 2526
2025
Q1 		– Sell
-12,700
Closed -$222K – 4773
2024
Q4 		$222K Buy
+12,700
New +$197K ﹤0.01% 3672
2024
Q1 		– Sell
-10,000
Closed -$103K – 5700
2023
Q4 		$103K Buy
+10,000
New +$84.4K ﹤0.01% 4038

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

Walleye Capital's MIR Position: Q2 2026 in Review

Walleye Capital reduced its Mirion Technologies (MIR) stake by 0.55% in Q2 2026, selling an estimated $27.8K and leaving 271,466 shares worth $4.87M. The position accounts for 0.02% of the portfolio, ranked #842.

Walleye Capital first reported a position in MIR in Q3 2020 and has held it in 13 quarters since. The position peaked at $10.6M in Q3 2025. 351 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Walleye Capital held 271,466 shares of Mirion Technologies worth $4.87M as of Q2 2026.
  • Walleye Capital sold 1,498 Mirion Technologies shares in Q2 2026, an estimated $27.8K.
  • Mirion Technologies made up 0.02% of Walleye Capital's portfolio in Q2 2026, its #842 holding.
  • Walleye Capital first reported a position in Mirion Technologies in Q3 2020 and has held it in 13 quarters since.
  • Walleye Capital's Mirion Technologies position peaked at $10.6M in Q3 2025.
  • 351 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.