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Joel Greenblatt’s Mirion Technologies MIR Stock Holding History

Joel Greenblatt’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 		– Sell
-93,039
Closed -$2.18M – 1822
2025
Q4 		$2.18M Buy
+93,039
New +$2.32M 0.01% 1012
2025
Q3 		– Sell
-13,603
Closed -$293K – 1773
2025
Q2 		$293K Buy
+13,603
New +$234K ﹤0.01% 1471
2024
Q4 		– Sell
-29,010
Closed -$321K – 1483
2024
Q3 		$321K Buy
29,010
+8,897
+44% +$93.6K ﹤0.01% 1209
2024
Q2 		$216K Buy
20,113
+9,418
+88% +$100K ﹤0.01% 1318
2024
Q1 		$122K Buy
+10,695
New +$107K ﹤0.01% 1323

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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CLG
Cooperman Leon G $3.55B AUM 41.85% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Joel Greenblatt's MIR Position: Q1 2026 in Review

Joel Greenblatt sold out of Mirion Technologies (MIR) in Q1 2026, closing a stake of 93,039 shares — an estimated $2.18M sold.

Joel Greenblatt first reported a position in MIR in Q1 2024 and held it in 5 quarters. The position peaked at $2.18M in Q4 2025. 362 funds tracked by Wall St. Rank hold MIR as of Q1 2026.

  • Joel Greenblatt reported no remaining Mirion Technologies position as of Q1 2026 after selling out during the quarter.
  • Joel Greenblatt sold 93,039 Mirion Technologies shares in Q1 2026, an estimated $2.18M.
  • Joel Greenblatt first reported a position in Mirion Technologies in Q1 2024 and held it in 5 quarters.
  • Joel Greenblatt's Mirion Technologies position peaked at $2.18M in Q4 2025.
  • 362 funds tracked by Wall St. Rank held Mirion Technologies as of Q1 2026.

Based on Gotham Asset Management's 13F filing for Q1 2026, filed 15 May 2026.