Marin Bay Wealth Advisors, LLC reported 96 positions worth $112.21M for the quarter ended Sep 30, 2026, down 7.2% on the prior quarter. It opened 8 new positions, added to 32, trimmed 45 and exited 6. Its largest holding is Apple Inc. at 10.8% 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 |
|---|---|---|---|---|
| XOM ExxonMobil Holdings Corp | +10.7K | – | $1.75M | 1.56% |
| BE Bloom Energy Corp | +1,249 | – | $345.95K | 0.308% |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | +560 | – | $255.47K | 0.228% |
| GLD Spdr Gold Trust | +626 | +3.8% | $238.41K | 5.86% |
| PFE Pfizer Inc | +8,140 | – | $232.16K | 0.207% |
| SLV iShares Silver Trust | +4,251 | – | $231.72K | 0.206% |
| ADP Automatic Data Processing Inc | +897 | – | $231.69K | 0.206% |
| MRVL Marvell Technology, Inc. | +873 | – | $230.66K | 0.206% |
| GOOGL Alphabet Inc. | +654 | +8.1% | $225.03K | 2.67% |
| MPC Marathon Petroleum Corp | +567 | – | $224.45K | 0.2% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| BA Boeing Co | -27.3K | -95.6% | $5.07M | 0.209% |
| COST Costco Wholesale Corp | -1,409 | -41.5% | $1.28M | 1.61% |
| MA Mastercard Inc | -1,923 | -43.0% | $1.06M | 1.25% |
| MSFT Microsoft Corp | -1,374 | -14.7% | $704.80K | 3.64% |
| META Meta Platforms, Inc. | -961 | -16.7% | $696.98K | 3.09% |
| BRK-B Berkshire Hathaway Inc | -1,123 | -16.7% | $559.20K | 2.49% |
| AAPL Apple Inc. | -1,580 | -4.2% | $526.19K | 10.83% |
| JPM Jpmorgan Chase & Co | -1,412 | -10.5% | $467.15K | 3.55% |
| AMZN Amazon Com Inc | -1,629 | -6.6% | $405.87K | 5.1% |
| UNH Unitedhealth Group Inc | -1,060 | -56.3% | $389.41K | 0.269% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| XOM ExxonMobil Holdings Corp | +10.7K | $1.75M | 1.56% |
| BE Bloom Energy Corp | +1,249 | $345.95K | 0.308% |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | +560 | $255.47K | 0.228% |
| PFE Pfizer Inc | +8,140 | $232.16K | 0.207% |
| SLV iShares Silver Trust | +4,251 | $231.72K | 0.206% |
| ADP Automatic Data Processing Inc | +897 | $231.69K | 0.206% |
| MRVL Marvell Technology, Inc. | +873 | $230.66K | 0.206% |
| MPC Marathon Petroleum Corp | +567 | $224.45K | 0.2% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| DUK Duke Energy CORP | -2,799 | $354.41K | 0.293% |
| GLW Corning Inc | -1,024 | $261.56K | 0.216% |
| RBC RBC Bearings INC | -395 | $254.40K | 0.21% |
| LSTR Landstar System Inc | -1,109 | $229.35K | 0.19% |
| GD General Dynamics Corp | -631 | $223.86K | 0.185% |
| WDC Western Digital Corp | -329 | $210.58K | 0.174% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | AAPL Apple Inc. | Technology | 36.5K | $12.15M | 10.83% | -1,580 | -4.2% | Reduced | 0% |
| 2 | CVX Chevron Corp | Energy | 38.3K | $7.83M | 6.97% | -870 | -2.2% | Reduced | 0% |
| 3 | NVDA Nvidia Corp | Technology | 31.7K | $7.23M | 6.45% | +67 | +0.2% | Added | 0% |
| 4 | GLD Spdr Gold Trust | Financial Services | 17.3K | $6.57M | 5.86% | +626 | +3.8% | Added | 0% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 23.0K | $5.72M | 5.1% | -1,629 | -6.6% | Reduced | 0% |
| 6 | MSFT Microsoft Corp | Technology | 7,962 | $4.08M | 3.64% | -1,374 | -14.7% | Reduced | 0% |
| 7 | JPM Jpmorgan Chase & Co | Financial Services | 12.1K | $3.99M | 3.55% | -1,412 | -10.5% | Reduced | 0% |
| 8 | META Meta Platforms, Inc. | Technology | 4,781 | $3.47M | 3.09% | -961 | -16.7% | Reduced | 0% |
| 9 | GOOGL Alphabet Inc. | Technology | 8,722 | $3.00M | 2.67% | +654 | +8.1% | Added | 0% |
| 10 | AVGO Broadcom Inc. | Technology | 8,487 | $2.98M | 2.66% | -167 | -1.9% | Reduced | 0% |
| 11 | BRK-B Berkshire Hathaway Inc | Financial Services | 5,613 | $2.79M | 2.49% | -1,123 | -16.7% | Reduced | 0% |
| 12 | V Visa Inc. | Financial Services | 7,385 | $2.65M | 2.36% | +75 | +1.0% | Added | 0% |
| 13 | GOOG Alphabet Inc. | Technology | 6,351 | $2.16M | 1.93% | -844 | -11.7% | Reduced | 0% |
| 14 | PANW Palo Alto Networks Inc | Technology | 4,946 | $1.97M | 1.75% | +318 | +6.9% | Added | 0% |
| 15 | COST Costco Wholesale Corp | Consumer Staples | 1,987 | $1.81M | 1.61% | -1,409 | -41.5% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Marin Bay Wealth Advisors.
As of its Q3 2026 13F filing, Marin Bay Wealth Advisors, LLC’s five largest positions were Apple Inc. (AAPL) at 10.8%, Chevron Corp (CVX) at 7.0%, Nvidia Corp (NVDA) at 6.4%, Spdr Gold Trust (GLD) at 5.9%, Amazon Com Inc (AMZN) at 5.1% of the reported portfolio.
Marin Bay Wealth Advisors, LLC reported a 13F portfolio worth $112.21M across 96 positions for Q3 2026. That is down 7.2% from the previous quarter.
Its largest purchases by value were ExxonMobil Holdings Corp ($1.75M), Bloom Energy Corp ($345.95K), Taiwan Semiconductor Manufacturing Co Ltd ($255.47K). It opened 8 new positions.
Its largest sales by value were Boeing Co ($5.07M), Costco Wholesale Corp ($1.28M), Mastercard Inc ($1.06M). It exited 6 positions entirely.
From the Form 13F-HR reports Marin Bay Wealth Advisors, LLC 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.