Quincy Lee's Top Holdings: IBKR Leads Portfolio at 18.8%
Quincy Lee's portfolio as of March 31, 2026, is dominated by Interactive Brokers, which accounts for 18.8% of the total value, followed by other significant holdings like Upwork and Echostar.

As of March 31, 2026, Quincy Lee's investment portfolio, managed through Ancient Art (Teton Capital), is characterized by a concentrated set of top holdings. The largest position is Interactive Brokers (IBKR), which represents 18.8% of the total portfolio value of $442.64 million. Lee's stake in Interactive Brokers saw a reduction of 358,443 shares, a 21.81% decrease from the previous period.
Another significant holding is Upwork (UPWK), accounting for 14.24% of the portfolio. Lee increased their position in Upwork by 28.42%, adding 1,319,095 shares during the prior period.
Echostar (SATS) follows closely with a 13.92% allocation. Lee's investment in Echostar experienced a slight decrease, with a 3.74% reduction in shares held.
Mercadolibre (MELI) makes up 12.04% of the portfolio. This position saw a substantial increase, with Lee adding the entire 31,935 shares during the prior period, resulting in a 100% jump in holdings.
Stellantis (STLA) holds a 4.95% allocation. Lee reduced their stake in Stellantis by 8.57%, removing 300,000 shares from the position.
Other key holdings include GitLab (GTLB) at 3.54%, Sprout Social (SPT) at 3.15%, and Coupa Networks (CPNG) at 2.45%. Lee significantly increased positions in GitLab, Sprout Social, and Coupa Networks by 100% each during the prior period.
Frontier Group Holdings (ULCC) and Controladora Vuela (VLRS) complete the top ten holdings, representing 2.4% and 0.64% of the portfolio respectively. Lee's position in Frontier Group decreased by 12.87%, while the stake in Vuela plummeted by 76.83%.
For more detailed information on Quincy Lee's investment activities, you can visit the investor profile on Insiderset. To explore each stock's performance and details, click on the respective stock symbols below:
Interactive Brokers (IBKR) | Upwork (UPWK) | Echostar (SATS) | Mercadolibre (MELI) | Stellantis (STLA) | GitLab (GTLB) | Sprout Social (SPT) | Coupa Networks (CPNG) | Frontier Group Holdings (ULCC) | Controladora Vuela (VLRS)