In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 21, 2025), Rye Brook Capital LLC reported 30 stock positions worth $118.8 million . Its top holding was Invesco QQQ Trust Series 1 (QQQ) at 22.8% of the portfolio, followed by Sprott Physical Uranium TR (SRUUF, 13.1% ) and Vaneck Semiconductor ETF (SMH, 9.9% ). Compared with Q2 2025, it opened 6 new positions, added to 12 and reduced 7. The biggest buy was a new position in Kranesh Csi China Internet (KWEB) and the biggest sale Invesco QQQ Trust Series 1 (QQQ, shares −1% ).
Location GREENWICH, CT
CIK 0001844147
Portfolio Value $118.8M (Q3 2025) Holdings 30 stocks · $118.8M Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q2 2025 QQQ Invesco QQQ Trust Series 1 45,105 $27.1M Reduce -0.7% SRUUF Sprott Physical Uranium TR 777,700 $15.6M Add +7.3% SMH Vaneck Semiconductor ETF 35,925 $11.7M Add +1.6% KWEB Kranesh Csi China Internet 171,200 $7.2M New NXE Nexgen Energy Ltd. 773,900 $6.9M Add +0.8% XLI SS Industrial Select Sector 40,715 $6.3M Add +1.3% ETHE Grayscale Ethereum Staking E 145,750 $5.0M Reduce -42.0% GLD SPDR Gold Shares 12,500 $4.4M Reduce -0.8% RSP Invesco S&P 500 Equal Weight 22,050 $4.2M Add +12.8% IBB iShares Biotechnology ETF 24,270 $3.5M Reduce -0.1% XLU St Sr Utl SL SE SPDR ETF-Usd 36,500 $3.2M Add +4.7% JOE The St Joe Co. 63,400 $3.1M Add +2.6% FCPT Four Corners Property Trust 123,100 $3.0M Add +0.4% IBIT iShares Bitcoin Trust ETF 42,000 $2.7M Add +91.8% VAL Valaris Ltd. 48,800 $2.4M Reduce -11.4% ALAB Astera Labs Inc. 9,200 $1.8M Add +1.1% AMD Advanced Micro Devices 10,500 $1.7M Reduce -20.1% ETH Grayscale Ethereum Staking M 34,440 $1.3M Add +4.2% BLMN Bloomin' Brands Inc. 174,350 $1.3M Reduce -0.6% COHR Coherent Corp. 10,400 $1.1M Add +14.3% URNM Sprott Uranium Miners ETF 15,000 $906K New ARM Arm Holdings PLC-ADR 6,015 $851K New RIOT Riot Platforms Inc. 42,550 $810K New CIBR First Trust Nasdaq Cybersecu 8,000 $608K No change MUB iShares National Muni Bond E 4,400 $469K No change GSOL Grayscale Solana Staking ETF 29,150 $467K New SHYM iShares Short Duration High 15,750 $352K No change MSFT Microsoft Corp. 600 $311K No change GOOGL Alphabet Inc. Class A 1,000 $243K New NVDA Nvidia Corp. 1,000 $187K No change
Options reported separately and not counted above: SPY puts ($73.5M).
Portfolio Sells Q2 2025 → Q3 2025 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q2 2025 % Of Portfolio Change To Portfolio ▲ QQQ Invesco QQQ Trust Series 1 Reduce -0.7% 22.80% −3.33 ETHE Grayscale Ethereum Staking E Reduce -42.0% 4.21% −1.26 BLMN Bloomin' Brands Inc. Reduce -0.6% 1.05% −0.52 AMD Advanced Micro Devices Reduce -20.1% 1.43% −0.52 VAL Valaris Ltd. Reduce -11.4% 2.00% −0.42 GLD SPDR Gold Shares Reduce -0.8% 3.74% −0.26 IBB iShares Biotechnology ETF Reduce -0.1% 2.95% −0.26
Portfolio Buys Q2 2025 → Q3 2025 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q2 2025 % Of Portfolio Change To Portfolio ▼ KWEB Kranesh Csi China Internet New 6.06% +6.06 IBIT iShares Bitcoin Trust ETF Add +91.8% 2.30% +0.90 URNM Sprott Uranium Miners ETF New 0.76% +0.76 ARM Arm Holdings PLC-ADR New 0.72% +0.72 RIOT Riot Platforms Inc. New 0.68% +0.68 ALAB Astera Labs Inc. Add +1.1% 1.52% +0.66 GSOL Grayscale Solana Staking ETF New 0.39% +0.39 ETH Grayscale Ethereum Staking M Add +4.2% 1.14% +0.32 NXE Nexgen Energy Ltd. Add +0.8% 5.83% +0.27 GOOGL Alphabet Inc. Class A New 0.20% +0.20 COHR Coherent Corp. Add +14.3% 0.94% +0.10 RSP Invesco S&P 500 Equal Weight Add +12.8% 3.52% −0.18 XLU St Sr Utl SL SE SPDR ETF-Usd Add +4.7% 2.68% −0.29 SMH Vaneck Semiconductor ETF Add +1.6% 9.87% −0.41 JOE The St Joe Co. Add +2.6% 2.64% −0.43 XLI SS Industrial Select Sector Add +1.3% 5.29% −0.90 FCPT Four Corners Property Trust Add +0.4% 2.53% −0.91 SRUUF Sprott Physical Uranium TR Add +7.3% 13.11% −1.05
Options Activity Q2 2025 → Q3 2025 Security Type Change vs Q2 2025 Underlying Shares Value ▼ SPY SS SPDR S&P 500 ETF Trust-US put New 110,400 $73.5M
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 40 $142.6M QQQ, SRUUF, SMH, XLI, PPH Q1 2026 28 $108.4M QQQ, SRUUF, SMH, NXE, KWEB Q4 2025 27 $107.0M QQQ, SRUUF, SMH, KWEB, NXE Q3 2025 30 $118.8M QQQ, SRUUF, SMH, KWEB, NXE Q2 2025 24 $95.9M QQQ, SRUUF, SMH, XLI, NXE Q1 2025 20 $79.8M QQQ, SRUUF, SMH, KWEB, XLI Q4 2024 29 $83.4M SRUUF, QQQ, ETHE, FCPT, SMH Q3 2024 19 $69.3M SRUUF, QQQ, FCPT, VGK, ETHE Q2 2024 25 $76.0M SRUUF, ETHE, QQQ, VGK, FCPT Q1 2024 28 $170.6M EWJ, QQQ, VGK, SRUUF, SMH