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Gabelli Funds’s Mirion Technologies MIR Stock Holding History

Gabelli Funds’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 		$6.3M Sell
351,160
-16,820
-5% -$312K 0.04% 459
2026
Q1 		$6.84M Sell
367,980
-62,270
-14% -$1.4M 0.05% 416
2025
Q4 		$10.1M Sell
430,250
-51,000
-11% -$1.27M 0.07% 310
2025
Q3 		$11.2M Sell
481,250
-30,064
-6% -$650K 0.08% 299
2025
Q2 		$11M Sell
511,314
-12,936
-2% -$223K 0.08% 299
2025
Q1 		$7.6M Sell
524,250
-32,438
-6% -$510K 0.06% 350
2024
Q4 		$9.71M Sell
556,688
-60,000
-10% -$931K 0.07% 305
2024
Q3 		$6.83M Sell
616,688
-45,000
-7% -$473K 0.05% 390
2024
Q2 		$7.11M Sell
661,688
-44,352
-6% -$471K 0.05% 360
2024
Q1 		$8.03M Sell
706,040
-10,000
-1% -$100K 0.06% 344
2023
Q4 		$7.34M Sell
716,040
-11,960
-2% -$101K 0.06% 356
2023
Q3 		$5.44M Buy
728,000
+6,000
+0.8% +$47.3K 0.04% 415
2023
Q2 		$6.1M Buy
722,000
+5,000
+0.7% +$40.6K 0.05% 411
2023
Q1 		$6.12M Buy
717,000
+12,000
+2% +$95.2K 0.05% 420
2022
Q4 		$4.66M Sell
705,000
-65,000
-8% -$438K 0.04% 470
2022
Q3 		$5.75M Buy
770,000
+157,000
+26% +$1.11M 0.05% 416
2022
Q2 		$3.53M Buy
613,000
+8,312
+1% +$61.2K 0.03% 543
2022
Q1 		$4.88M Buy
604,688
+51,122
+9% +$440K 0.03% 514
2021
Q4 		$5.8M Buy
553,566
+94,763
+21% +$1.02M 0.04% 469
2021
Q3 		$4.69M Buy
458,803
+389,000
+557% +$3.93M 0.03% 519
2021
Q2 		$726K Sell
69,803
-192,186
-73% -$1.98M ﹤0.01% 975
2021
Q1 		$2.73M Buy
261,989
+176,743
+207% +$2.08M 0.02% 660
2020
Q4 		$929K Buy
+85,246
New +$880K 0.01% 891

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

Gabelli Funds's MIR Position: Q2 2026 in Review

Gabelli Funds reduced its Mirion Technologies (MIR) stake by 4.6% in Q2 2026, selling an estimated $312K and leaving 351,160 shares worth $6.3M. The position accounts for 0.04% of the portfolio, ranked #459.

Gabelli Funds first reported a position in MIR in Q4 2020 and has held it in 23 quarters since. The position peaked at $11.2M in Q3 2025. 352 funds tracked by Wall St. Rank hold MIR as of Q2 2026.

  • Gabelli Funds held 351,160 shares of Mirion Technologies worth $6.3M as of Q2 2026.
  • Gabelli Funds sold 16,820 Mirion Technologies shares in Q2 2026, an estimated $312K.
  • Mirion Technologies made up 0.04% of Gabelli Funds's portfolio in Q2 2026, its #459 holding.
  • Gabelli Funds first reported a position in Mirion Technologies in Q4 2020 and has held it in 23 quarters since.
  • Gabelli Funds's Mirion Technologies position peaked at $11.2M in Q3 2025.
  • 352 funds tracked by Wall St. Rank held Mirion Technologies as of Q2 2026.

Based on Gabelli Funds's 13F filing for Q2 2026, filed 12 Aug 2026.