Marin Bay Wealth Advisors, LLC holds a focused book of 129 reported positions worth $186.0M as of Q2 2026 (disclosed Aug 10, 2026, a ~41-day 13F lag). This quarter Space Exploration Techn-CL A first appears in 13F filings, a listing rather than a purchase; they opened Putnam Focused LRG Cap Value and trimmed Ishares Core S&P 500 ETF. Their largest long position is Ishares S&P 100 ETF at 15% of the reported non-option book. Cloning the disclosed picks since 2026 would be +12% (+22.9%/yr). That is a simulation of the disclosed long book, not audited returns.
Marin Bay Wealth Advisors, LLC is a wealth platform: this book aggregates client accounts across many advisers.
Following at the filing date actually beat the quarter-end book by 2.3 points over this window.
Growth of $10,000 cloning Marin Bay Wealth Advisors, LLC's disclosed long 13F book, rebalanced on each filing date (so it reflects each quarter's actual reporting lag, ~41 days for the latest filing, with no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
57% mapped to company sectors
+5 sectors below the cut, 2% together
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Marin Bay Wealth Advisors, LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Innovator Capital Management, LLC | 8 / 80 | $2.9B |
| Donor Advised Charitable Giving, Inc. | 9 / 80 | $4.5B |
| Hoffman, Alan N Investment Management | 10 / 80 | $167.8M |
| Prospect Hill Management, LLC | 10 / 80 | $248.5M |
| Swiss Re Ltd | 45 / 80 | $1.1B |
| Greenbrier Partners Capital Management, LLC | 8 / 80 | $1.2B |
| Draper Asset Management, LLC | 11 / 80 | $178.3M |
| Conway Capital Management, Inc. | 18 / 80 | $199.2M |
Ranked by the share of each fund's own book sitting in the names it shares with Marin Bay Wealth Advisors, LLC: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ishares TR S&P 100 ETF | $28.0M | 76.6K | 15.1% | ▲+0.2% Added · +126 sh | |
| 2 | Ishares TR CORE S&P500 ETF | $10.7M | 14.2K | 5.7% | ▼−85% Reduced · −79K sh | |
| 3 | Apple Inc COM | $10.6M | 36.6K | 5.7% | ▼−1.1% Reduced · −408 sh | |
| 4 | Invesco QQQ TR UNIT SER 1 | $9.8M | 13.3K | 5.3% | ▼−1.4% Reduced · −184 sh | |
| 5 | Chevron Corporation COM | $6.3M | 38.2K | 3.4% | ▼−4.2% Reduced · −2K sh | |
| 6 | Nvidia Corporation COM | $6.2M | 30.9K | 3.3% | ▼−3.9% Reduced · −1K sh | |
| 7 | SPDR Gold TR GOLD SHS | $6.1M | 16.6K | 3.3% | ▲+0.5% Added · +90 sh | |
| 8 | State STR SPDR S&P 500 ETF T TR UNIT | $5.9M | 7.9K | 3.2% | ▼−94% Reduced · −129K sh | |
| 9 | Amazon Com Inc COM | $5.4M | 22.6K | 2.9% | ▼−8.7% Reduced · −2K sh | |
| 10 | JPMorgan Chase & Co COM | $3.9M | 12.0K | 2.1% | ▼−11% Reduced · −1K sh | |
| 11 | Broadcom Inc COM | $3.3M | 8.7K | 1.8% | ▲+8.9% Added · +706 sh | |
| 12 | Ishares TR S&P 500 VAL ETF | $3.1M | 13.6K | 1.7% | ▼−6.5% Reduced · −947 sh | |
| 13 | Microsoft Corp COM | $3.0M | 7.9K | 1.6% | ▼−11% Reduced · −966 sh | |
| 14 | Alphabet Inc CAP STK CL A | $2.9M | 8.1K | 1.5% | ▲+6.4% Added · +484 sh | |
| 15 | Ishares TR CORE S&P SCP ETF | $2.8M | 19.2K | 1.5% | ▼−5.5% Reduced · −1K sh | |
| 16 | Berkshire Hathaway Inc Del CL B NEW | $2.8M | 5.7K | 1.5% | ▼−17% Reduced · −1K sh | |
| 17 | Meta Platforms Inc CL A | $2.7M | 4.7K | 1.4% | ▼−13% Reduced · −688 sh | |
| 18 | Visa Inc COM CL A | $2.5M | 7.3K | 1.3% | ▼−0.2% Reduced · −14 sh | |
| 19 | State STR SPDR S&P Midcap 40 UTSER1 S&PDCRP | $2.5M | 3.5K | 1.3% | ▼−0.6% Reduced · −22 sh | |
| 20 | Vanguard Index FDS MCAP VL IDXVIP | $2.3M | 11.8K | 1.3% | ▲+0.1% Added · +15 sh | |
| 21 | Alphabet Inc CAP STK CL C | $2.1M | 6.0K | 1.1% | ▼−14% Reduced · −1K sh | |
| 22 | Vertiv Holdings Co COM CL A | $1.9M | 5.7K | 1.0% | ▼−2.6% Reduced · −153 sh | |
| 23 | Costco Wholesale Corporation COM | $1.9M | 2.0K | 1.0% | ▼−43% Reduced · −1K sh | |
| 24 | Tesla Inc COM | $1.8M | 4.4K | 1.0% | ▼−3.8% Reduced · −175 sh | |
| 25 | Wells Fargo & Co COM | $1.7M | 21.1K | 0.9% | ▲+0.3% Added · +71 sh | |
| 26 | Palo Alto Networks Inc COM | $1.6M | 4.6K | 0.8% | ▼−4.7% Reduced · −228 sh | |
| 27 | Advanced Micro Devices Inc COM | $1.5M | 2.6K | 0.8% | ▲+58% Added · +956 sh | |
| 28 | Micron Technology Inc COM | $1.5M | 1.3K | 0.8% | ▼−17% Reduced · −261 sh | |
| 29 | Vanguard Index FDS GROWTH ETF | $1.4M | 15.8K | 0.7% | ▲+494% Added · +13K sh | |
| 30 | Ishares TR SP SMCP600VL ETF | $1.3M | 9.8K | 0.7% | ▼−88% Reduced · −72K sh | |
| 31 | ASML Hldg NV N Y REGISTRY SHS | $1.3M | 668 | 0.7% | ▼−1.0% Reduced · −7 sh | |
| 32 | Mastercard Incorporated CL A | $1.3M | 2.5K | 0.7% | ▼−43% Reduced · −2K sh | |
| 33 | Vanguard World FD MEGA GRWTH IND | $1.2M | 14.1K | 0.7% | ▲+368% Added · +11K sh | |
| 34 | Ishares TR CORE MSCI EAFE | $1.2M | 12.7K | 0.7% | ▲+0.7% Added · +93 sh | |
| 35 | Caterpillar Inc COM | $1.2M | 1.1K | 0.7% | ▼−6.1% Reduced · −74 sh | |
| 36 | Lam Research Corp COM NEW | $1.2M | 2.8K | 0.6% | ▼−1.5% Reduced · −43 sh | |
| 37 | RTX Corporation COM | $1.1M | 5.7K | 0.6% | ▲+3.6% Added · +198 sh | |
| 38 | Nebius Group N.V. SHS CLASS A | $1.1M | 3.9K | 0.6% | ▼−6.5% Reduced · −269 sh | |
| 39 | Invesco Exchange Traded FD T AEROSPACE DEFN | $1.1M | 6.0K | 0.6% | ▼−0.8% Reduced · −48 sh | |
| 40 | Bank Of Amer Corp COM | $964K | 16.9K | 0.5% | ▲+3.8% Added · +621 sh | |
| 41 | Emcor Group Inc COM | $948K | 1.1K | 0.5% | ▼−0.1% Reduced · −1 sh | |
| 42 | Ishares TR CORE S&P MCP ETF | $924K | 12.0K | 0.5% | ▼−18% Reduced · −3K sh | |
| 43 | Matson Inc COM | $875K | 4.6K | 0.5% | ▲+0.1% Added · +4 sh | |
| 44 | Public SVC Enterprise Group COM | $829K | 10.2K | 0.4% | ▲+0.1% Added · +10 sh | |
| 45 | Netflix Inc. COM | $790K | 11.1K | 0.4% | ▼−8.8% Reduced · −1K sh | |
| 46 | Cisco Sys Inc COM | $757K | 6.4K | 0.4% | ▼−6.9% Reduced · −479 sh | |
| 47 | Vanguard World FD MEGA CAP VAL ETF | $737K | 4.5K | 0.4% | ▲+0.2% Added · +10 sh | |
| 48 | Goldman Sachs Group Inc COM | $729K | 720 | 0.4% | ▲+2.9% Added · +20 sh | |
| 49 | Abbvie Inc COM | $705K | 2.8K | 0.4% | ▲+0.5% Added · +14 sh | |
| 50 | Ge Vernova Inc COM | $700K | 596 | 0.4% | ▲+1.0% Added · +6 sh |
This wealth platform page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
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Use Arkolith to show Marin Bay Wealth Advisors, LLC's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
| Quarter | As of | Filed | Lag | Positions | Value | Form |
|---|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Aug 10, 2026 | 41d | 129 | $186.0M | 13F-HR/A |
| Q1 2026 | Mar 31, 2026 | May 12, 2026 | 42d | 127 | $166.3M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 48d | 120 | $174.5M | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.