William Mack & Associates, Inc. holds a focused book of 108 stocks worth $283.7M as of Q2 2026 (disclosed Jul 10, 2026, a ~45-day 13F lag). This quarter they opened Vanguard Total Stock MKT ETF and trimmed Ishares Russell Mid-Cap ETF. Their largest long position is Vanguard S/T Corp Bond ETF at 17% of the equity book.
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This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/2096700/holdings"
Use Arkolith to show William Mack & Associates, Inc.'s latest holdings, largest changes, and filing provenance.
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.
14% mapped to company sectors
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, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Vanguard Scottsdale FDS SHRT TRM CORP BD | $48.2M | 610.2K | 17.0% | ▲+54% Added · +213K sh | |
| 2 | Vanguard Tax-Managed FDS VAN FTSE DEV MKT | $42.5M | 596.7K | 15.0% | ▲+55% Added · +211K sh | |
| 3 | Vanguard Index FDS MID CAP ETF | $40.0M | 496.4K | 14.1% | ▲+526% Added · +417K sh | |
| 4 | Dimensional ETF Trust INTL SMALL CAP V | $23.6M | 588.9K | 8.3% | ▲+58% Added · +216K sh | |
| 5 | Schwab Strategic TR FUNDAMENTAL INTL | $15.3M | 289.1K | 5.4% | ▲+62% Added · +110K sh | |
| 6 | SPDR Series Trust ST STR CONV ETF | $12.9M | 119.6K | 4.5% | ▲+0.6% Added · +761 sh | |
| 7 | Schwab Strategic TR US LCAP GR ETF | $12.9M | 379.8K | 4.5% | ▲+74% Added · +162K sh | |
| 8 | Apple Inc COM | $10.2M | 35.4K | 3.6% | ▲+17% Added · +5K sh | |
| 9 | Microsoft Corp COM | $4.3M | 11.5K | 1.5% | ▲+23% Added · +2K sh | |
| 10 | Vanguard Mun BD FDS TAX EXEMPT BD | $3.6M | 70.2K | 1.3% | ▲+3.6% Added · +2K sh | |
| 11 | Vanguard Index FDS LARGE CAP ETF | $3.3M | 9.7K | 1.2% | ▲+0.1% Added · +6 sh | |
| 12 | Amazon Com Inc COM | $2.6M | 10.9K | 0.9% | ▲+76% Added · +5K sh | |
| 13 | Cohen & Steers ETF Trust REAL EST ACT ETF | $2.6M | 90.8K | 0.9% | ▲+159% Added · +56K sh | |
| 14 | Tesla Inc COM | $2.5M | 6.0K | 0.9% | ▲+41% Added · +2K sh | |
| 15 | Alphabet Inc CAP STK CL A | $2.5M | 7.1K | 0.9% | ▲+9.2% Added · +597 sh | |
| 16 | J P Morgan Exchange Traded F INCOME ETF | $2.3M | 50.5K | 0.8% | ▲+83% Added · +23K sh | |
| 17 | Vanguard Index FDS S&P 500 ETF SHS | $2.3M | 3.3K | 0.8% | ▲+33% Added · +818 sh | |
| 18 | Dimensional ETF Trust US SMALL CAP ETF | $2.1M | 54.0K | 0.7% | ▲+105% Added · +28K sh | |
| 19 | Schwab Strategic TR US LCAP VA ETF | $1.9M | 55.4K | 0.7% | ▲+14% Added · +7K sh | |
| 20 | Vanguard Index FDS GROWTH ETF | $1.7M | 19.8K | 0.6% | ▲+632% Added · +17K sh | |
| 21 | Ishares TR CORE S&P MCP ETF | $1.6M | 20.1K | 0.5% | ▲+6.9% Added · +1K sh | |
| 22 | Vanguard Index FDS TOTAL STK MKT | $1.4M | 3.8K | 0.5% | ▲New New position | |
| 23 | Accenture PLC Ireland SHS CLASS A | $1.4M | 11.2K | 0.5% | ▲+1.5% Added · +165 sh | |
| 24 | Nvidia Corporation COM | $1.4M | 6.9K | 0.5% | ▲+50% Added · +2K sh | |
| 25 | Vanguard Intl Equity Index F FTSE SMCAP ETF | $1.4M | 8.9K | 0.5% | ▲+24% Added · +2K sh | |
| 26 | Vanguard BD Index FDS TOTAL BND MRKT | $1.4M | 18.5K | 0.5% | ▲+93% Added · +9K sh | |
| 27 | JPMorgan Chase & Co COM | $1.2M | 3.7K | 0.4% | ▲+51% Added · +1K sh | |
| 28 | Ishares TR CORE S&P500 ETF | $1.1M | 1.5K | 0.4% | ▲+25% Added · +307 sh | |
| 29 | State STR SPDR S&P 500 ETF T TR UNIT | $1.1M | 1.5K | 0.4% | ▲+15% Added · +188 sh | |
| 30 | Schwab Strategic TR US SML CAP ETF | $1.0M | 28.1K | 0.4% | ▲+38% Added · +8K sh | |
| 31 | Meta Platforms Inc CL A | $997K | 1.8K | 0.4% | ▲+16% Added · +248 sh | |
| 32 | Coca Cola Cons Inc COM | $971K | 5.1K | 0.3% | ▲+0.1% Added · +8 sh | |
| 33 | Schwab Strategic TR US LRG CAP ETF | $943K | 32.1K | 0.3% | ▲New New position | |
| 34 | Vanguard Index FDS MCAP VL IDXVIP | $940K | 4.8K | 0.3% | ▲+30% Added · +1K sh | |
| 35 | Alphabet Inc CAP STK CL C | $906K | 2.6K | 0.3% | ▲+71% Added · +1K sh | |
| 36 | SPDR Series Trust ST STR P500ETF | $828K | 9.4K | 0.3% | ▲+65% Added · +4K sh | |
| 37 | Innovator Etfs Trust POWER BUFFER SET | $786K | 21.4K | 0.3% | —Held | |
| 38 | Calamos ETF TR CEF INC ARB ETF | $784K | 26.2K | 0.3% | ▲New New position | |
| 39 | Micron Technology Inc COM | $779K | 675 | 0.3% | —Held | |
| 40 | Vanguard Index FDS SML CP GRW ETF | $732K | 2.0K | 0.3% | ▲+13% Added · +235 sh | |
| 41 | SPDR Series Trust ST STR SP500FF | $727K | 11.9K | 0.3% | ▲+9.7% Added · +1K sh | |
| 42 | Invesco QQQ TR UNIT SER 1 | $719K | 977 | 0.3% | ▲+101% Added · +490 sh | |
| 43 | Dte Energy Co COM | $703K | 4.6K | 0.2% | ▲+35% Added · +1K sh | |
| 44 | Vanguard Intl Equity Index F FTSE EMR MKT ETF | $640K | 10.7K | 0.2% | ▲+60% Added · +4K sh | |
| 45 | Capital Group New Geography SHS | $633K | 16.9K | 0.2% | ▲+115% Added · +9K sh | |
| 46 | Intel Corp COM | $616K | 4.4K | 0.2% | ▲New New position | |
| 47 | Ishares TR CORE MSCI TOTAL | $604K | 6.3K | 0.2% | ▲New New position | |
| 48 | Ishares TR RUS MID CAP ETF | $547K | 5.0K | 0.2% | ▼−2.7% Reduced · −139 sh | |
| 49 | Ishares TR RUSSELL 3000 ETF | $536K | 1.3K | 0.2% | ▼−6.0% Reduced · −80 sh | |
| 50 | American Centy ETF TR US EQT ETF | $535K | 4.2K | 0.2% | ▲+15% Added · +543 sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 10, 2026 | 108 | $283.7M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | Apr 14, 2026 | 73 | $174.9M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 9, 2026 | 92 | $212.5M | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 88 | $185.9M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Nov 24, 2025 | 78 | $157.4M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Nov 24, 2025 | 70 | $116.8M | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Nov 24, 2025 | 64 | $95.5M | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.