Rubicon Advisors, GP reported 40 positions worth $66.16M for the quarter ended Sep 30, 2026, up 4.7% on the prior quarter. It opened 4 new positions, added to 22, trimmed 9 and exited 2. Its largest holding is Apple Inc. at 24.5% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MRNA Moderna, Inc. | +2,035 | – | $391.88K | 0.592% |
| V Visa Inc. | +628 | – | $225.69K | 0.341% |
| QCOM Qualcomm Inc | +1,115 | – | $205.28K | 0.31% |
| GE General Electric Co | +649 | – | $202.83K | 0.307% |
| SPCX Space Exploration Technologies Corp | +1,294 | +27.6% | $195.22K | 1.36% |
| NVDA Nvidia Corp | +737 | +1.9% | $168.32K | 13.91% |
| GOOG Alphabet Inc. | +367 | +2.8% | $125.05K | 6.98% |
| WMT Walmart Inc. | +1,034 | +45.2% | $107.45K | 0.521% |
| COST Costco Wholesale Corp | +115 | +11.5% | $104.66K | 1.53% |
| MU Micron Technology Inc | +66 | +13.8% | $70.30K | 0.877% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| HD Home Depot, Inc. | -603 | -100.0% | $212.63K | Exited |
| BAC Bank Of America Corp | -3,578 | -100.0% | $203.88K | Exited |
| BN BROOKFIELD Corp | -957 | -6.4% | $34.89K | 0.776% |
| PLTR Palantir Technologies Inc. | -130 | -3.7% | $24.32K | 0.967% |
| AMZN Amazon Com Inc | -97 | -0.5% | $24.17K | 7.28% |
| AAPL Apple Inc. | -50 | -0.1% | $16.65K | 24.47% |
| CAT Caterpillar Inc | -17 | -4.1% | $13.80K | 0.489% |
| SHOP Shopify Inc. | -65 | -1.3% | $9.64K | 1.1% |
| INTC Intel Corp | -47 | -1.0% | $5.65K | 0.858% |
| LRCX Lam Research Corp | -10 | -1.4% | $3.29K | 0.349% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AAPL Apple Inc. | Technology | 48.6K | $16.19M | 24.47% | -50 | -0.1% | Reduced | 0% |
| 2 | NVDA Nvidia Corp | Technology | 40.3K | $9.20M | 13.91% | +737 | +1.9% | Added | 0% |
| 3 | TSLA Tesla, Inc. | Consumer Discretionary | 21.8K | $7.73M | 11.69% | +56 | +0.3% | Added | 0% |
| 4 | AMZN Amazon Com Inc | Consumer Discretionary | 19.3K | $4.81M | 7.28% | -97 | -0.5% | Reduced | 0% |
| 5 | GOOG Alphabet Inc. | Technology | 13.5K | $4.62M | 6.98% | +367 | +2.8% | Added | 0% |
| 6 | GOOGL Alphabet Inc. | Technology | 7,611 | $2.62M | 3.96% | +44 | +0.6% | Added | 0% |
| 7 | BRK-B Berkshire Hathaway Inc | Financial Services | 4,103 | $2.04M | 3.09% | +34 | +0.8% | Added | 0% |
| 8 | META Meta Platforms, Inc. | Technology | 2,413 | $1.75M | 2.64% | +41 | +1.7% | Added | 0% |
| 9 | MSFT Microsoft Corp | Technology | 3,147 | $1.61M | 2.44% | +109 | +3.6% | Added | 0% |
| 10 | BROS Dutch Bros Inc. | Consumer Discretionary | 27.6K | $1.07M | 1.61% | +275 | +1.0% | Added | 0.02% |
| 11 | COST Costco Wholesale Corp | Consumer Staples | 1,114 | $1.01M | 1.53% | +115 | +11.5% | Added | 0% |
| 12 | SPCX Space Exploration Technologies Corp | Industrials | 5,974 | $901.26K | 1.36% | +1,294 | +27.6% | Added | 0% |
| 13 | CVX Chevron Corp | Energy | 4,293 | $876.60K | 1.32% | +47 | +1.1% | Added | 0% |
| 14 | HTO H2O America | Utilities | 14.2K | $874.78K | 1.32% | 0 | 0.0% | Unchanged | 0.03% |
| 15 | SHOP Shopify Inc. | Technology | 4,906 | $727.57K | 1.1% | -65 | -1.3% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Rubicon Advisors, GP.
As of its Q3 2026 13F filing, Rubicon Advisors, GP’s five largest positions were Apple Inc. (AAPL) at 24.5%, Nvidia Corp (NVDA) at 13.9%, Tesla, Inc. (TSLA) at 11.7%, Amazon Com Inc (AMZN) at 7.3%, Alphabet Inc. (GOOG) at 7.0% of the reported portfolio.
Rubicon Advisors, GP reported a 13F portfolio worth $66.16M across 40 positions for Q3 2026. That is up 4.7% from the previous quarter.
Its largest purchases by value were Moderna, Inc. ($391.88K), Visa Inc. ($225.69K), Qualcomm Inc ($205.28K). It opened 4 new positions.
Its largest sales by value were Home Depot, Inc. ($212.63K), Bank Of America Corp ($203.88K), BROOKFIELD Corp ($34.89K). It exited 2 positions entirely.
From the Form 13F-HR reports Rubicon Advisors, GP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.