Rye Brook Capital LLC
Long book
$108.4M
Q1 2026
Positions
28
Top-10 weight
81%
concentration
Last quarter
+9.7%
SPY +14.8%
Turnover
51%
of book per quarter
Strategy in plain words
auto-generated from filingsRye Brook Capital LLC is a wealth-management firm allocating client money, running a $108.4M US long book across 28 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: INVESCO QQQ TRUST SERIES 1, SPROTT PHYSICAL URANIUM TR, VANECK SEMICONDUCTOR ETF, NEXGEN ENERGY LTD, KRANESH CSI CHINA INTERNET.
Over the last 9 quarters its long book ran on average 1pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+0.8%
Q2 2024
+1.8%
Q3 2024
-3.1%
Q4 2024
-9.1%
Q1 2025
+17.6%
Q2 2025
+14.1%
Q3 2025
+0.2%
Q4 2025
-0.3%
Q1 2026
+9.7%
Sector allocation
Materials 48%
Real estate 20%
Industrials 14%
Technology 8%
Communications 7%
Financials 2%
Long book by quarter
What does Rye Brook own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NXE NEXGEN ENERGY LTD | Materials | 775.0K | $9.0M | 8.3% | +0.2% |
| JOE ST JOE CO/THE | Real estate | 66.0K | $4.1M | 3.8% | +4.1% |
| BE BLOOM ENERGY CORP- A | Industrials | 13.5K | $1.8M | 1.7% | New |
| ECHO ECHOSTAR CORP-A | Communications | 13.4K | $1.6M | 1.4% | New |
| TSLA TESLA INC | Industrials | 3.2K | $1.2M | 1.1% | New |
| P EVERPURE INC-A | Technology | 11.0K | $648K | 0.6% | New |
| UUUU ENERGY FUELS INC | Materials | 35.1K | $640K | 0.6% | New |
| ALAB ASTERA LABS INC | Technology | 5.3K | $579K | 0.5% | -42.6% |
| MP MP MATERIALS CORP | Materials | 11.3K | $545K | 0.5% | New |
| RIOT RIOT PLATFORMS INC | Financials | 42.7K | $528K | 0.5% | +0.3% |
| GOOGL ALPHABET INC-CL A | Technology | 1.0K | $288K | 0.3% | Held |
| MSFT MICROSOFT CORP | Technology | 600 | $222K | 0.2% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 29, 2026 | 28 | $108.4M | $K fixed canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 27, 2026 | 27 | $107.0M | $K fixed canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 21, 2025 | 31 | $192.3M | $K fixed canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 23, 2025 | 24 | $95.9M | $K fixed canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 16, 2025 | 20 | $79.8M | $K fixed canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 3, 2025 | 29 | $83.4M | $K fixed canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 22, 2024 | 19 | $69.3M | $K fixed canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 22, 2024 | 25 | $76.0M | $K fixed canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 11, 2024 | 28 | $170.6M | $K fixed canonical | SEC ↗ |