S.A. Mason LLC — 13F Holdings & Portfolio

CIK 1800911 · latest 13F-HR filed 2026-07-31

S.A. Mason LLC manages $325.5M in 13F-reported U.S. long-equity assets across 282 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (4.94%), VSDM (3.86%), VOO (3.32%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 30 new positions, exited 14, added to 150, and trimmed 48.

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.

Filer Information
Address
170 COLLEGE AVE
SUITE 260
HOLLAND, MI 49423
Phone
(616) 355-3500
Filing Manager
S.A. Mason LLC
HOLLAND, MI
Signatory
Samuel A Mason
Principal
Loading holdings…
AUM

$325.5M

Long-equity book

Holdings

282

Distinct positions

Period

2026-06-30

Filed 2026-07-31

Q/Q Activity

+30 / −14 / ↑150 / ↓48

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • Vanguard Short-Term Tax-Exmpt Bd ETF$4.0M +75.1%
  • Sandisk Corp$3.8M +257.3%
  • Vanguard S&P 500 ETF$3.5M +47.6%
  • Vanguard Short Duration Tax-Exm Bd ETF$3.5M +38.3%
  • Micron Technology Inc$2.9M +161.3%
Show all 150

Top Trims

  • Intuit Inc-$1.3M -58.5%
  • Palantir Technologies Inc-$654.5K -20.1%
  • Paychex Inc-$531.7K -82.0%
  • Accenture PLC-$361.8K -40.4%
  • SPDR Gold Shares-$351.5K -12.6%
Show all 48

New Positions

  • HNI Corp$3.1M
  • UnitedHealth Group Inc$985.9K
  • Exxon Mobil Corp$910.4K
  • Arista Networks Inc$532.9K
  • Edwards Lifesciences Corp$448.7K
Show all 30

Exited Positions

  • Exxon Mobil Corp$1.1M
  • Shift4 Payments Inc$304.0K
  • SAP SE ADR$237.0K
  • Docusign Inc$138.4K
  • AB Ultra Short Income ETF$127.3K
Show all 14
All Holdings

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 NVIDIA Corp NVDA 67066G104 $16.1M 4.94% 80,433 SH
2 Vanguard Short Duration Tax-Exm Bd ETF VSDM 922907696 $12.6M 3.86% 163,888 SH
3 Vanguard S&P 500 ETF VOO 922908363 $10.8M 3.32% 15,737 SH
4 Vanguard Total Stock Market ETF VTI 922908769 $10.4M 3.21% 28,227 SH
5 iShares Core S&P 500 ETF IVV 464287200 $10.1M 3.12% 13,540 SH
6 Vanguard Short-Term Tax-Exmpt Bd ETF VTES 921935870 $9.4M 2.88% 92,425 SH
7 Vanguard Small-Cap ETF VB 922908751 $7.8M 2.40% 25,765 SH
8 Vanguard Mid-Cap ETF VO 922908629 $7.6M 2.33% 94,023 SH
9 Apple Inc AAPL 037833100 $6.8M 2.08% 23,361 SH
10 SPDR S&P 500 ETF Trust SPY 78462F103 $6.6M 2.02% 8,826 SH
11 Vanguard Intermediate-Term Tax-Exempt Bond ETF VTEI 922907738 $6.4M 1.97% 63,407 SH
12 Microsoft Corp MSFT 594918104 $6.3M 1.94% 16,895 SH
13 Sandisk Corp SNDK 80004C200 $5.3M 1.64% 2,347 SH
14 Costco Wholesale Corp COST 22160K105 $4.9M 1.50% 5,218 SH
15 Micron Technology Inc MU 595112103 $4.6M 1.42% 4,012 SH
16 Vanguard FTSE Developed Market VEA 921943858 $4.4M 1.34% 61,131 SH
17 Vanguard Core Tax-Exempt Bond ETF VCRM 922907712 $4.0M 1.24% 52,780 SH
18 Alphabet Inc GOOGL 02079K305 $4.0M 1.22% 11,108 SH
19 Palo Alto Networks Inc PANW 697435105 $3.8M 1.17% 11,164 SH
20 Strive 500 ETF STXF 02072L680 $3.7M 1.13% 75,856 SH
21 General Electric Co GE 369604301 $3.2M 0.98% 8,562 SH
22 AbbVie Inc ABBV 00287Y109 $3.1M 0.95% 12,339 SH
23 HNI Corp HNI 404251100 $3.1M 0.94% 75,976 SH
24 Eli Lilly & Co LLY 532457108 $3.0M 0.91% 2,467 SH
25 Visa Inc V 92826C839 $2.8M 0.86% 8,156 SH
26 Palantir Technologies Inc PLTR 69608A108 $2.6M 0.80% 22,352 SH
27 Kimberly-Clark Corp KMB 494368103 $2.6M 0.79% 23,318 SH
28 TJX Cos Inc/The TJX 872540109 $2.6M 0.79% 16,891 SH
29 Mastercard Inc MA 57636Q104 $2.5M 0.78% 4,947 SH
30 SPDR Portfolio S&P 400 Mid Cap SPMD 78464A847 $2.5M 0.76% 36,783 SH
31 Alphabet Inc GOOG 02079K107 $2.5M 0.76% 6,972 SH
32 SPDR Gold Shares GLD 78463V107 $2.4M 0.75% 6,630 SH
33 Akre Focus ETF AKRE 74316P579 $2.4M 0.74% 45,350 SH
34 Vanguard Large-Cap ETF VV 922908637 $2.3M 0.71% 6,756 SH
35 Amgen Inc AMGN 031162100 $2.3M 0.71% 6,408 SH
36 Vanguard Tax-Exempt Bond Index VTEB 922907746 $2.2M 0.67% 43,100 SH
37 O'Reilly Automotive Inc ORLY 67103H107 $2.1M 0.66% 23,266 SH
38 CrowdStrike Holdings Inc CRWD 22788C105 $2.1M 0.65% 2,759 SH
39 iShares Short-Term National AMT-Free Muni Bond ETF SUB 464288158 $2.1M 0.64% 19,650 SH
40 Chevron Corp CVX 166764100 $2.1M 0.64% 12,620 SH
41 Procter & Gamble Co/The PG 742718109 $2.1M 0.64% 14,246 SH
42 iShares Russell 1000 Growth ET IWF 464287614 $2.0M 0.63% 16,464 SH
43 PepsiCo Inc PEP 713448108 $2.0M 0.61% 14,770 SH
44 Johnson & Johnson JNJ 478160104 $2.0M 0.61% 7,845 SH
45 Meta Platforms Inc META 30303M102 $2.0M 0.61% 3,533 SH
46 Schwab US Broad Market ETF SCHB 808524102 $1.9M 0.59% 66,870 SH
47 Vertiv Holdings Co VRT 92537N108 $1.9M 0.58% 5,683 SH
48 Schwab U.S. Mid-Cap ETF SCHM 808524508 $1.8M 0.56% 49,143 SH
49 Berkshire Hathaway Inc BRK.B 084670702 $1.8M 0.56% 3,618 SH
50 Intel Corp INTC 458140100 $1.8M 0.55% 12,892 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-31 $325.5M 282 0001800911-26-000003
2026-03-31 2026-04-27 $266.4M 266 0001800911-26-000002
2025-12-31 2026-01-29 $252.9M 260 0001800911-26-000001