William Mack & Associates, Inc. — 13F Holdings & Portfolio
CIK 2096700 · latest 13F-HR filed 2026-07-10
William Mack & Associates, Inc. manages $283.7M in 13F-reported U.S. long-equity assets across 108 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are VCSH (17.00%), VEA (14.99%), VO (14.10%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 37 new positions, exited 2, added to 61, and trimmed 5.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
TROY, MI 48098
$283.7M
Long-equity book
108
Distinct positions
2026-06-30
Filed 2026-07-10
+37 / −2 / ↑61 / ↓5
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- VANGUARD TAX-MANAGED FDS$17.8M +72.0%
- VANGUARD INDEX FDS$17.2M +75.7%
- VANGUARD SCOTTSDALE FDS$16.7M +53.1%
- DIMENSIONAL ETF TRUST$8.9M +60.7%
- SCHWAB STRATEGIC TR$6.5M +74.5%
Top Trims
- ACCENTURE PLC IRELAND-$791.1K -36.3%
- NETFLIX INC.-$296.5K -51.4%
- AT&T INC-$130.4K -28.2%
- CHEVRON CORPORATION-$70.4K -19.3%
- EQT CORP-$38.0K -14.8%
New Positions
- VANGUARD INDEX FDS$1.4M
- SCHWAB STRATEGIC TR$943.3K
- CALAMOS ETF TR$784.1K
- INTEL CORP$616.0K
- ISHARES TR$603.8K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | VANGUARD SCOTTSDALE FDS | VCSH | 92206C409 | $48.2M | 17.00% | 610,226 | SH |
| 2 | VANGUARD TAX-MANAGED FDS | VEA | 921943858 | $42.5M | 14.99% | 596,739 | SH |
| 3 | VANGUARD INDEX FDS | VO | 922908629 | $40.0M | 14.10% | 496,380 | SH |
| 4 | DIMENSIONAL ETF TRUST | DISV | 25434V781 | $23.6M | 8.33% | 588,902 | SH |
| 5 | SCHWAB STRATEGIC TR | FNDF | 808524755 | $15.3M | 5.38% | 289,123 | SH |
| 6 | SPDR SERIES TRUST | CWB | 78464A359 | $12.9M | 4.55% | 119,630 | SH |
| 7 | SCHWAB STRATEGIC TR | SCHG | 808524300 | $12.9M | 4.53% | 379,763 | SH |
| 8 | APPLE INC | AAPL | 037833100 | $10.2M | 3.61% | 35,364 | SH |
| 9 | MICROSOFT CORP | MSFT | 594918104 | $4.3M | 1.51% | 11,511 | SH |
| 10 | VANGUARD MUN BD FDS | VTEB | 922907746 | $3.6M | 1.25% | 70,242 | SH |
| 11 | VANGUARD INDEX FDS | VV | 922908637 | $3.3M | 1.18% | 9,732 | SH |
| 12 | AMAZON COM INC | AMZN | 023135106 | $2.6M | 0.92% | 10,898 | SH |
| 13 | COHEN & STEERS ETF TRUST | CSRE | 19249U104 | $2.6M | 0.91% | 90,804 | SH |
| 14 | TESLA INC | TSLA | 88160R101 | $2.5M | 0.89% | 6,002 | SH |
| 15 | ALPHABET INC | GOOGL | 02079K305 | $2.5M | 0.89% | 7,057 | SH |
| 16 | J P MORGAN EXCHANGE TRADED F | JPIE | 46641Q159 | $2.3M | 0.82% | 50,476 | SH |
| 17 | VANGUARD INDEX FDS | VOO | 922908363 | $2.3M | 0.80% | 3,310 | SH |
| 18 | DIMENSIONAL ETF TRUST | DFSV | 25434V815 | $2.1M | 0.74% | 54,027 | SH |
| 19 | SCHWAB STRATEGIC TR | SCHV | 808524409 | $1.9M | 0.68% | 55,360 | SH |
| 20 | VANGUARD INDEX FDS | VUG | 922908736 | $1.7M | 0.60% | 19,827 | SH |
| 21 | ISHARES TR | IJH | 464287507 | $1.6M | 0.55% | 20,121 | SH |
| 22 | VANGUARD INDEX FDS | VTI | 922908769 | $1.4M | 0.50% | 3,804 | SH |
| 23 | ACCENTURE PLC IRELAND | ACN | G1151C101 | $1.4M | 0.49% | 11,155 | SH |
| 24 | NVIDIA CORPORATION | NVDA | 67066G104 | $1.4M | 0.49% | 6,903 | SH |
| 25 | VANGUARD INTL EQUITY INDEX F | VSS | 922042718 | $1.4M | 0.48% | 8,879 | SH |
| 26 | VANGUARD BD INDEX FDS | BND | 921937835 | $1.4M | 0.48% | 18,540 | SH |
| 27 | JPMORGAN CHASE & CO | JPM | 46625H100 | $1.2M | 0.43% | 3,717 | SH |
| 28 | ISHARES TR | IVV | 464287200 | $1.1M | 0.40% | 1,533 | SH |
| 29 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $1.1M | 0.39% | 1,475 | SH |
| 30 | SCHWAB STRATEGIC TR | SCHA | 808524607 | $1.0M | 0.36% | 28,128 | SH |
| 31 | META PLATFORMS INC | META | 30303M102 | $997.0K | 0.35% | 1,770 | SH |
| 32 | COCA COLA CONS INC | COKE | 191098102 | $971.0K | 0.34% | 5,086 | SH |
| 33 | SCHWAB STRATEGIC TR | SCHX | 808524201 | $943.3K | 0.33% | 32,053 | SH |
| 34 | VANGUARD INDEX FDS | VOE | 922908512 | $939.6K | 0.33% | 4,755 | SH |
| 35 | ALPHABET INC | GOOG | 02079K107 | $906.4K | 0.32% | 2,565 | SH |
| 36 | SPDR SERIES TRUST | SPYM | 78464A854 | $828.1K | 0.29% | 9,423 | SH |
| 37 | INNOVATOR ETFS TRUST | PSTP | 45783Y723 | $786.4K | 0.28% | 21,378 | SH |
| 38 | CALAMOS ETF TR | CCEF | 12811T407 | $784.1K | 0.28% | 26,197 | SH |
| 39 | MICRON TECHNOLOGY INC | MU | 595112103 | $779.5K | 0.27% | 675 | SH |
| 40 | VANGUARD INDEX FDS | VBK | 922908595 | $732.1K | 0.26% | 2,002 | SH |
| 41 | SPDR SERIES TRUST | SPYX | 78468R796 | $726.7K | 0.26% | 11,893 | SH |
| 42 | INVESCO QQQ TR | QQQ | 46090E103 | $719.4K | 0.25% | 977 | SH |
| 43 | DTE ENERGY CO | DTE | 233331107 | $703.2K | 0.25% | 4,615 | SH |
| 44 | VANGUARD INTL EQUITY INDEX F | VWO | 922042858 | $640.3K | 0.23% | 10,727 | SH |
| 45 | CAPITAL GROUP NEW GEOGRAPHY | CGNG | 14021N105 | $633.3K | 0.22% | 16,907 | SH |
| 46 | INTEL CORP | INTC | 458140100 | $616.0K | 0.22% | 4,412 | SH |
| 47 | ISHARES TR | IXUS | 46432F834 | $603.8K | 0.21% | 6,327 | SH |
| 48 | ISHARES TR | IWR | 464287499 | $546.8K | 0.19% | 4,957 | SH |
| 49 | ISHARES TR | IWV | 464287689 | $536.5K | 0.19% | 1,258 | SH |
| 50 | AMERICAN CENTY ETF TR | AVUS | 025072885 | $534.8K | 0.19% | 4,175 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-10 | $283.7M | 108 | 0001754960-26-000473 |
| 2026-03-31 | 2026-04-14 | $174.9M | 73 | 0001754960-26-000244 |
| 2025-12-31 | 2026-02-09 | $212.5M | 92 | 0001754960-26-000159 |