Institutional Manager · CIK 0001800911

S.A. Mason LLC

HOLLAND, MI · File #028-19705

Latest AUM

$252.9M

Positions

261

Top-10 Concentration

45.5%

Filings

Portfolio Value Over Time

2024-03

2024-06

2024-09

2024-12

2025-03

2025-06

2025-09

2025-12

Biggest QoQ Changes

Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.

Action	Issuer	Ticker / CUSIP	Δ Shares	Flow ($)	Price Effect
NEW	Vanguard Short Duration Tax-Exm Bd ETF	922907696	+83,578	+$6.4M	$0
EXITED	Steelcase Inc	858155203	-306,847	-$5.3M	$0
ADD	Vanguard Intermediate-Term Tax-Exempt Bond ETF	922907738	+38,561	+$3.9M	+$2,250
NEW	Vanguard Core Tax-Exempt Bond ETF	922907712	+45,858	+$3.5M	$0
NEW	Akre Focus ETF	74316P579	+45,209	+$3.0M	$0
NEW	Vanguard Short-Term Tax-Exmpt Bd ETF	921935870	+26,606	+$2.7M	$0
ADD	Vanguard S&P 500 ETF	922908363	+2,200	+$1.4M	+$104,474
ADD	Micron Technology Inc	MU	+4,030	+$1.2M	+$150,565
ADD	Kimberly-Clark Corp	KMB	+7,770	+$783,901	-$146,604
ADD	Vanguard FTSE Developed Market	921943858	+8,977	+$560,793	+$42,309

Sector Allocation

19.5%$49.3M

5.7%$14.3M

5.3%$13.4M

3.9%$9.9M

Consumer Discretionary

3.2%$8.1M

Consumer Staples

2.4%$6.1M

Energy

1.7%$4.4M

Communication Services

1.1%$2.7M

Materials

0.3%$751,503

Utilities

0.2%$499,729

Real Estate

0.1%$157,302

Filing History

Jan 29, 202613F HOLDINGS REPORTQ/E Dec 2025261 pos · $252.9M
Oct 14, 202513F HOLDINGS REPORTQ/E Sep 2025256 pos · $226.6M
Jul 14, 202513F HOLDINGS REPORTQ/E Jun 2025362 pos · $206.7M
Apr 23, 202513F HOLDINGS REPORTQ/E Mar 2025348 pos · $189.3M
Jan 24, 202513F HOLDINGS REPORTQ/E Dec 2024342 pos · $190.4M
Oct 25, 202413F HOLDINGS REPORTQ/E Sep 2024324 pos · $188.6M
Jul 10, 202413F HOLDINGS REPORTQ/E Jun 2024319 pos · $175.9M
Apr 15, 202413F HOLDINGS REPORTQ/E Mar 2024314 pos · $166.4M
Oct 13, 202313F HOLDINGS REPORTQ/E Dec 2023314 pos · $138.7M

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	NVIDIA Corp	NVDA	81,525	$15.2M	9.21%
2	Vanguard Total Stock Market ETF	922908769	28,105	$9.4M	5.71%
3	Microsoft Corp	MSFT	15,346	$7.4M	4.50%
4	iShares Core S&P 500 ETF	464287200	10,706	$7.3M	4.44%
5	Vanguard Short Duration Tax-Exm Bd ETF	922907696	83,578	$6.4M	3.87%
6	SPDR S&P 500 ETF Trust	SPY	8,910	$6.1M	3.68%
7	Apple Inc	AAPL	21,771	$5.9M	3.59%
8	Vanguard Mid-Cap ETF	922908629	20,156	$5.8M	3.54%
9	Vanguard S&P 500 ETF	922908363	9,283	$5.8M	3.53%
10	Vanguard Small-Cap ETF	922908751	21,735	$5.6M	3.40%
11	Vanguard Intermediate-Term Tax-Exempt Bond ETF	922907738	43,061	$4.3M	2.63%
12	Costco Wholesale Corp	22160K105	5,003	$4.3M	2.61%
13	Palantir Technologies Inc	PLTR	22,387	$4.0M	2.41%
14	Vanguard Core Tax-Exempt Bond ETF	922907712	45,858	$3.5M	2.10%
15	Alphabet Inc	GOOG	10,851	$3.4M	2.06%
16	Intuit Inc	INTU	5,110	$3.4M	2.05%
17	Strive 500 ETF	02072L680	73,009	$3.2M	1.95%
18	Akre Focus ETF	74316P579	45,209	$3.0M	1.79%
19	AbbVie Inc	ABBV	12,042	$2.8M	1.67%
20	Mastercard Inc	MA	4,818	$2.8M	1.67%