Quincy Lee's March Portfolio: 46% in Top 3 Stocks

Introduction

Quincy Lee's portfolio, representing investments for Ancient Art (Teton Capital), held a substantial value as of March 31, 2026. The portfolio demonstrated a clear preference for specific large-cap stocks, with the top three holdings alone accounting for nearly half (46%) of the total value. Interactive Brokers Group Inc. (IBKR) led the portfolio with a significant allocation of 18.8%, followed by Upwork Inc. (UPWK) at 14.24% and Echostar Corp. (SATS) at 13.92%.

• Top Holding: Interactive Brokers Group Inc. (IBKR) - 18.8% allocation
• Second: Upwork Inc. (UPWK) - 14.24% allocation
• Third: Echostar Corp. (SATS) - 13.92% allocation

The concentration in these top holdings suggests a focused investment strategy favoring established or growth-oriented companies in specific sectors.

Sector Focus and Major Holdings

The portfolio's sector allocation highlights a significant tilt towards Financial Services, driven primarily by the large position in Interactive Brokers Group Inc. (IBKR). This allocation stands at 18.8% of the total portfolio value, making it the largest sector concentration. Beyond Financial Services, the portfolio shows a strong inclination towards Technology and Communication Services.

Technology is represented by several key holdings, including Gitlab Inc. (GTLB) at 3.54%, Sprout Social Inc. (SPT) at 3.15%, and Echostar Corp. (SATS) at 13.92%. The Communication Services sector is dominated by Upwork Inc. (UPWK) with a 14.24% allocation. Consumer Cyclical holdings, including Mercadolibre Inc. (MELI) at 12.04% and Coupaang Inc. (CPNG) at 2.45%, also contribute significantly to the portfolio's profile.

Other sectors represented include Industrials (Frontier Group Holdings Inc. (ULCC) at 2.4% and Controladora Vuela Comp de A (VLRS) at 0.64%), with one holding (SATS) falling under the Technology sector classification despite its nature as a satellite communications company.

Recent Changes and Strategy Insights

The portfolio data reveals active management, with significant changes in holdings observed between periods. Notably, the position in Mercadolibre Inc. (MELI) saw a 100% increase in shares, indicating a substantial new investment. Similarly, Gitlab Inc. (GTLB) and Sprout Social Inc. (SPT) were added to the portfolio, each with a 100% increase in shares during the period.

Conversely, there were reductions in other positions. Interactive Brokers Group Inc. (IBKR) experienced an 18.8% decrease in its share count, while Echostar Corp. (SATS) saw a 3.74% reduction. Frontier Group Holdings Inc. (ULCC) also decreased by 12.87% in terms of share count, and Controladora Vuela Comp de A (VLRS) saw a significant 76.83% reduction in shares.

This pattern of both adding new positions and reducing existing ones suggests a dynamic investment strategy focused on capitalizing on growth opportunities while strategically adjusting the portfolio composition. The overall strategy appears to favor technology-driven companies, e-commerce platforms, and financial services providers, albeit with a clear emphasis on a select few core holdings.

Conclusion

Quincy Lee's portfolio, as of March 31, 2026, is characterized by significant concentration in Interactive Brokers Group Inc. (IBKR) and other top holdings, particularly within the Financial Services, Technology, and Communication Services sectors. The strategy involves active management, evidenced by recent additions like Mercadolibre, Gitlab, and Sprout Social, alongside reductions in other positions. This focused approach, while potentially offering high upside, also concentrates risk within a smaller number of stocks and sectors.