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Rye Brook Capital LLC
Rye Brook Capital LLC is a United States-based SEC-registered investment adviser headquartered in Greenwich, Connecticut. Founded in 2021, the firm manages assets for institutional and high-net-worth individuals and is led by Carlos Gustavo Ribeiro Fernandes. Rye Brook Capital specializes in investment management and advisory services, operating with a lean team structure, and is primarily focused on US public equities and ETFs, as evidenced by their SEC filings and disclosed portfolio holdings.
Investment Strategy
Rye Brook Capital LLC's investment strategy centers on actively managed public equity portfolios, with a particular emphasis on US-listed ETFs and stocks. The firm’s filings indicate a dynamic, tactical approach, frequently adjusting holdings in major ETFs such as QQQ, SMH, KWEB, XLI, and significant positions in sector-specific funds and niche opportunities like Sprott Physical Uranium Trust and Grayscale Ethereum Trust. The strategy entails sector rotation, concentrated positions in high-conviction securities, and periodic rebalancing to capture market opportunities and manage risk for institutional clients.
Latest 13F Filing Activity
Rye Brook Capital LLC filed their most recent 13F report on Sep 30, 2025 disclosing 28 equity positions and 1 options positions with a total 13F market value of $192M. The fund increased holdings in Kraneshares Csi China Intern, Invesco QQQ Trust Series 1, Vaneck Semiconductor Etf among other positions. Rye Brook Capital LLC reduced exposure to Four Corners Property Trust, Bloomin' Brands Inc., Grayscale Ethereum Trust Etf among others.
Top Holdings
Equity Positions (28)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
Q QQQ | INVESCO QQQ TRUST SERIES 1 | 14.08% | $27.1M | 45,105 | $455.82 | $600.37 | +$2.0M |
S SMH | VANECK SEMICONDUCTOR ETF | 6.10% | $11.7M | 35,925 | $203.13 | $326.36 | +$1.9M |
K KWEB | KRANESHARES CSI CHINA INTERN | 3.74% | $7.2M | 171,200 | $42.01 | $42.01 | +$7.2M |
N NXE | NEXGEN ENERGY LTD | 3.60% | $6.9M | 773,900 | $6.64 | $8.95 | +$1.6M |
X XLI | INDUSTRIAL SELECT SECT SPDR | 3.27% | $6.3M | 40,715 | $133.16 | $154.23 | +$349.0K |
Options Positions (1)
| Ticker | Security | Action | Type | Notional Value | Contracts | Underlying Price | Premium Paid | Change (Contracts) | Change (Value) |
|---|---|---|---|---|---|---|---|---|---|
S SPY | SPDR S&P 500 ETF TRUST | New | Put | $73.5M | 1,104 | $666.18 | $666.18 | +1,104 | +$73.5M |
Industry Allocation
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