Lee Ainslie's MIR Position Overview
Lee Ainslie (via Maverick Capital LTD) currently holds 2.59 M shares of Mirion Technologies, Inc. (MIR) worth $60.21 M, representing 0.80% of the portfolio. First purchased in 2024-Q1, this short-term holding has been held for 7 quarters.
Based on 13F filings, Lee Ainslie has maintained this position in MIR for several quarters, showing initial confidence in the investment. Largest addition occurred in Q4 2024, adding 5.99 M shares. Largest reduction occurred in Q2 2025, reducing 2.75 M shares.
Analysis based on 13F filings available since 2013 Q2
Lee Ainslie's Mirion Technologies (MIR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Mirion Technologies (MIR) Trades by Lee Ainslie
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2024 | +40,774 | New Buy | 40,774 | $11.37 |
| Q2 2024 | +119,037 | Add 291.94% | 159,811 | $10.74 |
| Q3 2024 | +23,616 | Add 14.78% | 183,427 | $11.07 |
| Q4 2024 | +5.99 M | Add 3267.89% | 6.18 M | $17.45 |
| Q1 2025 | +1.88 M | Add 30.41% | 8.06 M | $14.50 |
| Q2 2025 | -2.75 M | Reduce 34.11% | 5.31 M | $21.53 |
| Q3 2025 | -2.72 M | Reduce 51.23% | 2.59 M | $23.26 |
Lee Ainslie's Mirion Technologies Investment FAQs
Lee Ainslie first purchased Mirion Technologies, Inc. (MIR) in Q1 2024, acquiring 40,774 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Lee Ainslie has held Mirion Technologies, Inc. (MIR) for 7 quarters since Q1 2024. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Lee Ainslie's largest addition to Mirion Technologies, Inc. (MIR) was in Q4 2024, adding 6,177,611 shares worth $107.8 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Lee Ainslie's firm, Maverick Capital LTD, owns 2,588,579 shares of Mirion Technologies, Inc. (MIR), valued at approximately $60.21 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 0.80% of Lee Ainslie'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.
Lee Ainslie's peak holding in Mirion Technologies, Inc. (MIR) was 8,056,109 shares, as reported at the end of Q1 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.