William Mack & Associates, Inc.

RIA/Wealth

William Mack & Associates, Inc. is a RIA/Wealth based in Troy, MI led by William Mack, reporting $820.4M in AUM as of Q3 2025 with 81% ETF concentration, 74% concentrated in top 10 holdings, and 21% allocation to VCSH.

PresidentWilliam Mack

Portfolio Value: $185.9M
Positions: 88
Top Holding: VCSH at 20.6%
Last Reported: Q3 2025

Address1301 W. Long Lake Rd., Suite 115, Troy, MI, 48098, United States

Top Holdings

Largest long holdings in William Mack & Associates, Inc.'s portfolio (73.5% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Vanguard Short-Term Corporate Bond VCSH	ETF ETF	$38.3M	20.60%	+$3.6M Bought	— 479.3K shares	Q4 2024 Held for 11 months
2 Vanguard Mid-Cap Fund VO	ETF ETF	$19.5M	10.49%	+$3.4M Bought	— 66.4K shares	Q4 2024 Held for 11 months
3 Schwab U.S. Large-Cap Growth SCHG	ETF ETF	$16.7M	8.97%	-$4.2M Sold	— 522.9K shares	Q4 2024 Held for 11 months
4 Vanguard FTSE Developed Markets VEA	ETF ETF	$15.9M	8.53%	+$5.3M Bought	— 264.7K shares	Q4 2024 Held for 11 months
5 SPDR Bloomberg Convertible Securities ETF CWB	ETF ETF	$13.5M	7.24%	+$2.6M Bought	— 148.8K shares	Q4 2024 Held for 11 months
6 Apple AAPL	Consumer Electronics Technology	$9.5M	5.08%	-$166.8K Sold	0.00% 37.1K shares	Q4 2024 Held for 11 months
7 DISV Dimensional International Small Cap Value DISV	ETF ETF	$9.1M	4.89%	+$2.7M Bought	— 254.6K shares	Q4 2024 Held for 11 months
8 Microsoft MSFT	Software - Infrastructure Technology	$5.8M	3.10%	-$20.7K Sold	0.00% 11.1K shares	Q4 2024 Held for 11 months
9 FNDF Schwab Fundamental International Equity FNDF	ETF ETF	$5.2M	2.81%	+$2.4M Bought	— 121.5K shares	Q4 2024 Held for 11 months
10 Vanguard Tax-Exempt Bond Index Fund VTEB	ETF ETF	$3.4M	1.81%	+$165.2K Bought	— 67.1K shares	Q4 2024 Held for 11 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in William Mack & Associates, Inc.'s latest filing

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Market Value

$185.9M

Prior: $157.4M

Q/Q Change

+18.14%

+$28.6M

Net Flows % of MV

+9.65%

Turnover Ratio

7.8%

New Purchases

8 stocks

$1.8M

Added To

28 stocks

+$21.5M

Sold Out Of

0 stocks

Reduced Holdings

25 stocks

-$5.3M

Increased Positions

Position	Shares Δ	Change
1 PIMCO Short Term Municipal Bond Active Exchange-Traded Fund SMMU	New	0 → 6.1K +$309.5K
2 Taiwan Semiconductor Manufacturing Company TSM	New	0 → 844.0 +$235.7K
3 AbbVie ABBV	New	0 → 974.0 +$225.6K
4 Invesco S&P 500 Top 50 ETF XLG	New	0 → 3.7K +$213.1K
5 Allstate ALL	New	0 → 956.0 +$205.2K

Decreased Positions

Position	Shares Δ	Change
1 Schwab U.S. Large-Cap Growth SCHG	-19.96%	653.2K → 522.9K −$4.2M
2 IJUN Innovator International Developed Power Buffer ETF IJUN	-18.61%	8.7K → 7.0K −$45.8K
3 Tesla, Inc. TSLA	-14.81%	5.4K → 4.6K −$358.0K
4 Oracle ORCL	-8.6%	930.0 → 850.0 −$22.5K
5 Vanguard Total Bond Market BND	-8.18%	21.3K → 19.6K −$129.8K

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Analytics

Portfolio insights and performance metrics for William Mack & Associates, Inc.

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Sector Allocation

ETF

81.10%

Technology

9.10%

Consumer Cyclical

2.80%

Communication Services

2.60%

Financial Services

1.40%

Healthcare

0.70%

Consumer Defensive

0.70%

Energy

0.60%

Utilities

0.40%

Industrials

0.10%

Market Cap Distribution

Mega Cap (> $200B)

16.34%

Large Cap ($10B - $200B)

1.97%

N/A (ETF or Unknown)

81.69%

Portfolio Concentration

Top 10 Holdings %

73.53%

Top 20 Holdings %

83.27%

Top 50 Holdings %

94.6%

Top 100 Holdings %

100.0%