Lee Ainslie
Lee Ainslie runs Maverick Capital, a hedge fund overseeing $9.32B in disclosed equity holdings (SEC CIK 0000934639). The latest 13F filing (2025Q4) discloses 178 positions across 11 sectors, with the largest positions in NVDA, MSFT and AMZN. On a mark-to-market basis the tracked portfolio has returned 21.4% over the past year. OpenStocks tracks 39 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.
What Lee is holding in options
Lee Ainslie (Maverick Capital) disclosed 1 option position in the 2024Q4 13F filing — 1 long-call and 0 long-puts — totaling $6.9M of underlying-share notional value. The largest exposures are a call on MIR. Notional values reflect the value of the underlying shares at the quarter-end snapshot, not the option premium paid.
Options & derivatives
1 position · $6.9M notional1 CALL · $6.9M| Type | Underlying | Shares | Notional | % of book |
|---|---|---|---|---|
| CALL | MIRMIRION TECHNOLOGIES INC | 395K | $6.9M | 0.1% |
Notional = value of the underlying shares at the quarter-end snapshot, not the option premium paid. A long PUT is a bearish bet on the underlying; a long CALL is a bullish bet. The reported value is included in the portfolio total but does not reflect actual capital at risk.