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Bosun Asset Management’s Mirion Technologies MIR Stock Holding History

Bosun Asset 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
2025
Q3 		– Sell
-38,191
Closed -$822K – 140
2025
Q2 		$822K Buy
38,191
+12,257
+47% +$211K 0.24% 89
2025
Q1 		$376K Buy
25,934
+12,172
+88% +$191K 0.16% 142
2024
Q4 		$240K Buy
+13,762
New +$213K 0.1% 173

Other funds holding MIR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
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
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

Bosun Asset Management's MIR Position: Q3 2025 in Review

Bosun Asset Management sold out of Mirion Technologies (MIR) in Q3 2025, closing a stake of 38,191 shares — an estimated $822K sold.

Bosun Asset Management first reported a position in MIR in Q4 2024 and held it in 3 quarters. The position peaked at $822K in Q2 2025. 341 funds tracked by Wall St. Rank hold MIR as of Q3 2025.

  • Bosun Asset Management reported no remaining Mirion Technologies position as of Q3 2025 after selling out during the quarter.
  • Bosun Asset Management sold 38,191 Mirion Technologies shares in Q3 2025, an estimated $822K.
  • Bosun Asset Management first reported a position in Mirion Technologies in Q4 2024 and held it in 3 quarters.
  • Bosun Asset Management's Mirion Technologies position peaked at $822K in Q2 2025.
  • 341 funds tracked by Wall St. Rank held Mirion Technologies as of Q3 2025.

Based on Bosun Asset Management's 13F filing for Q3 2025, filed 10 Nov 2025.