Institutional Manager · CIK 0001844147
Rye Brook Capital LLC
GREENWICH, CT · File #028-20547
Latest AUM
$107,031
Positions
27
Top-10 Concentration
84.2%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | SPDR S&P 500 ETF TRUST | 78462F103 | -110,400 | -$73,546 | $0 |
| EXITED | INVESCO S&P 500 EQUAL WEIGHT | 46137V357 | -22,050 | -$4,183 | $0 |
| EXITED | ISHARES NASDAQ BIOTECHNOLOGY | 464287556 | -24,270 | -$3,504 | $0 |
| EXITED | VALARIS LTD | G9460G101 | -48,800 | -$2,380 | $0 |
| ADD | KRANESHARES CSI CHINA INTERN | 500767306 | +63,950 | +$2,178 | -$1,363 |
| REDUCE | INVESCO QQQ TRUST SERIES 1 | IVZ | -2,550 | -$1,567 | +$630 |
| ADD | ST SR UTL SL SE SPDR ETF-USD | 81369Y886 | +36,500 | +$1,558 | -$1,625 |
| REDUCE | VANECK SEMICONDUCTOR ETF | 92189F676 | -2,400 | -$864 | +$1,214 |
| REDUCE | COHERENT CORP | COHR | -1,600 | -$295 | +$799 |
| REDUCE | ADVANCED MICRO DEVICES | AMD | -1,200 | -$257 | +$550 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202527 pos · $107,031
- 13F HOLDINGS REPORTQ/E Sep 202531 pos · $192,304
- 13F HOLDINGS REPORTQ/E Jun 202524 pos · $95,891
- 13F HOLDINGS REPORTQ/E Mar 202520 pos · $79,788
- 13F HOLDINGS REPORTQ/E Dec 202429 pos · $83,395
- 13F HOLDINGS REPORTQ/E Sep 202419 pos · $69,313
- 13F HOLDINGS REPORTQ/E Jun 202425 pos · $76,018
- 13F HOLDINGS REPORTQ/E Mar 202428 pos · $170,557
- 13F HOLDINGS REPORTQ/E Dec 202328 pos · $140,542
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | INVESCO QQQ TRUST SERIES 1 | IVZ | 42,555 | $26,143 | 24.43% |
| 2 | SPROTT PHYSICAL URANIUM TR | SII | 783,700 | $15,262 | 14.26% |
| 3 | VANECK SEMICONDUCTOR ETF | 92189F676 | 33,525 | $12,074 | 11.28% |
| 4 | KRANESHARES CSI CHINA INTERN | 500767306 | 235,150 | $8,007 | 7.48% |
| 5 | NEXGEN ENERGY LTD | NXE | 773,300 | $7,115 | 6.65% |
| 6 | SS INDUSTRIAL SELECT SECTOR | 81369Y704 | 40,715 | $6,316 | 5.90% |
| 7 | SPDR GOLD SHARES | GLD | 12,500 | $4,954 | 4.63% |
| 8 | ST JOE CO/THE | JOE | 63,400 | $3,764 | 3.52% |
| 9 | GRAYSCALE ETHEREUM STAKING E | 389638107 | 139,300 | $3,395 | 3.17% |
| 10 | ST SR UTL SL SE SPDR ETF-USD | 81369Y886 | 73,000 | $3,116 | 2.91% |
| 11 | FOUR CORNERS PROPERTY TRUST | 35086T109 | 130,950 | $3,020 | 2.82% |
| 12 | ISHARES BITCOIN TRUST ETF | IBIT | 44,700 | $2,219 | 2.07% |
| 13 | ADVANCED MICRO DEVICES | AMD | 9,300 | $1,992 | 1.86% |
| 14 | COHERENT CORP | COHR | 8,800 | $1,624 | 1.52% |
| 15 | ASTERA LABS INC | ALAB | 9,200 | $1,531 | 1.43% |
| 16 | BLOOMIN' BRANDS INC | BLMN | 174,350 | $1,076 | 1.01% |
| 17 | GRAYSCALE ETHEREUM STAKING M | 38964R203 | 34,440 | $966 | 0.90% |
| 18 | SPROTT URANIUM MINERS ETF | SII | 14,800 | $812 | 0.76% |
| 19 | ARM HOLDINGS PLC-ADR | 042068205 | 6,015 | $658 | 0.61% |
| 20 | FIRST TRUST NASDAQ CYBERSECU | 33734X846 | 8,000 | $572 | 0.53% |