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Summit Street Capital Management, LLC
Summit Street Capital Management, LLC is an SEC-registered investment adviser founded in 2009 and headquartered in New York, NY. The firm is owned by Arthur T. Williams, III and Jennifer A. Wallace. As a boutique investment management firm, they provide investment advisory services primarily to pooled investment vehicles, charitable organizations, investment companies, and high-net-worth individuals. Employing a small, focused team, they emphasize value-based strategies across US public equities, serving institutional and select private clients with a commitment to disciplined research and portfolio management.
Investment Strategy
Summit Street Capital Management pursues a value-oriented, research-driven approach focused on US public equities. Their strategy centers on fundamental analysis to identify securities trading below intrinsic value, emphasizing long-term capital appreciation. The firm manages concentrated portfolios and seeks to invest in high-quality companies with strong fundamentals, aiming to deliver superior risk-adjusted returns mostly for institutions, charitable organizations, pooled vehicles, and select high-net-worth individuals.
Latest 13F Filing Activity
Summit Street Capital Management, LLC filed their most recent 13F report on Jun 30, 2025 disclosing 30 equity positions with a total 13F market value of $606M. The fund increased holdings in Scorpio Tankers Inc., Teekay Tankers LTD, Micron Technology Inc. among other positions. Summit Street Capital Management, LLC reduced exposure to Berkshire Hathaway Inc. Del, Trinet Group Inc., Huntsman Corp. among others.
Top Holdings
Equity Positions (30)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
M MU | MICRON TECHNOLOGY INC | 5.23% | $31.7M | 257,167 | $94.32 | $123.25 | +$18.3M |
W WBD | WARNER BROS DISCOVERY INC | 5.08% | $30.8M | 2,688,302 | $10.49 | $11.46 | -$117.6K |
K KLAC | KLA CORP | 4.82% | $29.2M | 32,601 | $481.39 | $895.74 | +$5.5M |
L LRCX | LAM RESEARCH CORP | 4.55% | $27.6M | 283,423 | $72.25 | $97.34 | +$5.9M |
I IDCC | INTERDIGITAL INC | 4.52% | $27.4M | 122,079 | $141.71 | $224.23 | -$462.6K |
Industry Allocation
Investment Team (2)
| Name | Role | Location | |
|---|---|---|---|
 | Founding Partner, Chief Investment Officer | United States | |
M Melody Li | Senior Research Analyst | New York, NY , United States |
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