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.
SUITE 260
HOLLAND, MI 49423
$325.5M
Long-equity book
282
Distinct positions
2026-06-30
Filed 2026-07-31
+30 / −14 / ↑150 / ↓48
vs 2026-03-31
| 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%
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%
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
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
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 |
| 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 |