Lee Ainslie's RGEN Position Overview
Lee Ainslie (via Maverick Capital LTD) currently holds 1.52 M shares of Repligen Corporation (RGEN) worth $178.95 M, representing 2.06% of the portfolio. First purchased in 2021-Q1, this short-term holding has been held for 3 quarters.
Based on 13F filings, Lee Ainslie has maintained this position in RGEN for several quarters, showing initial confidence in the investment. Largest addition occurred in Q1 2026, adding 1.52 M shares. Largest reduction occurred in Q2 2021, reducing 1,140 shares.
Analysis based on 13F filings available since 2013 Q2
Lee Ainslie's Repligen Corporation (RGEN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Repligen Corporation (RGEN) Trades by Lee Ainslie
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +1.52 M | New Buy | 1.52 M | $117.82 |
| Q2 2021 | -1,140 | Sold Out | 0 | $0.00 |
| Q1 2021 | +1,140 | New Buy | 1,140 | $194.74 |
Lee Ainslie's Repligen Corporation Investment FAQs
Lee Ainslie first purchased Repligen Corporation (RGEN) in Q1 2021, acquiring 1,140 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 Repligen Corporation (RGEN) for 3 quarters since Q1 2021.
Lee Ainslie's largest addition to Repligen Corporation (RGEN) was in Q1 2026, adding 1,518,805 shares worth $178.95 M.
According to the latest 13F filing for Q1 2026, Lee Ainslie's firm, Maverick Capital LTD, owns 1,518,805 shares of Repligen Corporation (RGEN), valued at approximately $178.95 M.
As of the Q1 2026 filing, Repligen Corporation (RGEN) represents approximately 2.06% of Lee Ainslie's publicly disclosed stock portfolio, making it one of their key holdings.
Lee Ainslie's peak holding in Repligen Corporation (RGEN) was 1,518,805 shares, as reported at the end of Q1 2026.