Chuck Royce's MIR Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 293,918 shares of Mirion Technologies, Inc. (MIR) worth $6.88 M, representing 0.07% of the portfolio. First purchased in 2022-Q1, this medium-term investment has been held for 16 quarters.
Based on 13F filings, Chuck Royce has maintained a strategic position in MIR, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2025, adding 215,643 shares. Largest reduction occurred in Q3 2025, reducing 638,011 shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's Mirion Technologies (MIR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Mirion Technologies (MIR) Trades by Chuck Royce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2022 | +125,000 | New Buy | 125,000 | $8.07 |
| Q1 2023 | +100,000 | Add 80.00% | 225,000 | $8.54 |
| Q1 2024 | +205,000 | Add 91.11% | 430,000 | $11.37 |
| Q2 2024 | +50,000 | Add 11.63% | 480,000 | $10.74 |
| Q3 2024 | +4,000 | Add 0.83% | 484,000 | $11.07 |
| Q4 2024 | -31,000 | Reduce 6.40% | 453,000 | $17.45 |
| Q1 2025 | +215,643 | Add 47.60% | 668,643 | $14.50 |
| Q2 2025 | +121,451 | Add 18.16% | 790,094 | $21.53 |
| Q3 2025 | -638,011 | Reduce 80.75% | 152,083 | $23.26 |
| Q4 2025 | +141,835 | Add 93.26% | 293,918 | $23.42 |
Chuck Royce's Mirion Technologies Investment FAQs
Chuck Royce first purchased Mirion Technologies, Inc. (MIR) in Q1 2022, acquiring 125,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held Mirion Technologies, Inc. (MIR) for 16 quarters since Q1 2022.
Chuck Royce's largest addition to Mirion Technologies, Inc. (MIR) was in Q1 2025, adding 668,643 shares worth $9.7 M.
According to the latest 13F filing for Q4 2025, Chuck Royce's firm, Royce & Associates Lp, owns 293,918 shares of Mirion Technologies, Inc. (MIR), valued at approximately $6.88 M.
As of the Q4 2025 filing, Mirion Technologies, Inc. (MIR) represents approximately 0.07% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings.
Chuck Royce's peak holding in Mirion Technologies, Inc. (MIR) was 790,094 shares, as reported at the end of Q2 2025.