Mario Gabelli's MIR Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 526,619 shares of Mirion Technologies, Inc. (MIR) worth $12.25 M, representing 0.12% of the portfolio. First purchased in 2021-Q4, this medium-term investment has been held for 16 quarters.
Based on 13F filings, Mario Gabelli has maintained a strategic position in MIR, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2023, adding 566,070 shares. Largest reduction occurred in Q3 2024, reducing 100,875 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Mirion Technologies (MIR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Mirion Technologies (MIR) Trades by Mario Gabelli
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2021 | +157,200 | New Buy | 157,200 | $10.47 |
| Q1 2022 | +9,646 | Add 6.14% | 166,846 | $8.07 |
| Q2 2022 | +2,300 | Add 1.38% | 169,146 | $5.76 |
| Q3 2022 | +37,854 | Add 22.38% | 207,000 | $7.47 |
| Q4 2022 | -3,000 | Reduce 1.45% | 204,000 | $6.61 |
| Q1 2023 | +16,000 | Add 7.84% | 220,000 | $8.54 |
| Q2 2023 | +10,225 | Add 4.65% | 230,225 | $8.45 |
| Q3 2023 | +566,070 | Add 245.88% | 796,295 | $7.47 |
| Q4 2023 | -16,450 | Reduce 2.07% | 779,845 | $10.25 |
| Q1 2024 | -11,200 | Reduce 1.44% | 768,645 | $11.37 |
| Q2 2024 | -33,000 | Reduce 4.29% | 735,645 | $10.74 |
| Q3 2024 | -100,875 | Reduce 13.71% | 634,770 | $11.07 |
| Q4 2024 | -35,136 | Reduce 5.54% | 599,634 | $17.45 |
| Q1 2025 | -7,507 | Reduce 1.25% | 592,127 | $14.50 |
| Q2 2025 | -30,053 | Reduce 5.08% | 562,074 | $21.53 |
| Q3 2025 | -35,455 | Reduce 6.31% | 526,619 | $23.26 |
Mario Gabelli's Mirion Technologies Investment FAQs
Mario Gabelli first purchased Mirion Technologies, Inc. (MIR) in Q4 2021, acquiring 157,200 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Mirion Technologies, Inc. (MIR) for 16 quarters since Q4 2021. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's largest addition to Mirion Technologies, Inc. (MIR) was in Q3 2023, adding 796,295 shares worth $5.95 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 526,619 shares of Mirion Technologies, Inc. (MIR), valued at approximately $12.25 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Mirion Technologies, Inc. (MIR) represents approximately 0.12% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's peak holding in Mirion Technologies, Inc. (MIR) was 796,295 shares, as reported at the end of Q3 2023. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.