Filed: 10/13/2026ACC: 0001800911-26-000004
📋 What this filing means
S.A. MASON LLC filed this quarterly 13F‑HR report disclosing 284 equity positions with a total reported market value of $340.62M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
284
Positions
$340.62M
Total AUM (reported)
2.62M
Total Shares
Allocation by class
COM$182.78M53.7%
ETF$153.16M45.0%
ADR$4.69M1.4%
Portfolio Concentration
Top 3$44.38M13.0%
4–10$63.73M18.7%
11–25$63.29M18.6%
Rest$169.23M49.7%
Top 3 weight
13.0%
Top 10 weight
31.7%
Voting Authority Distribution
Total shares with voting rights: 2.62M
Sole
Full voting authority
2.62M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole284
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings284
Rows:
NVIDIA Corp
SOLEShares82K
TypeSH
Market value$18.73M
5.50%
Sole
82K
Shared
0.00
None
0.00
Vanguard Short Duration Tax-Exm Bd ETF
SOLEShares179.76K
TypeSH
Market value$13.37M
3.93%
Sole
179.76K
Shared
0.00
None
0.00
Vanguard S&P 500 ETF
SOLEShares17.52K
TypeSH
Market value$12.28M
3.61%
Sole
17.52K
Shared
0.00
None
0.00
Vanguard Total Stock Market ETF
SOLEShares31.46K
TypeSH
Market value$11.77M
3.46%
Sole
31.46K
Shared
0.00
None
0.00
iShares Core S&P 500 ETF
SOLEShares13.53K
TypeSH
Market value$10.36M
3.04%
Sole
13.53K
Shared
0.00
None
0.00
Vanguard Short-Term Tax-Exmpt Bd ETF
SOLEShares100.97K
TypeSH
Market value$9.96M
2.92%
Sole
100.97K
Shared
0.00
None
0.00
Microsoft Corp
SOLEShares16.93K
TypeSH
Market value$8.69M
2.55%
Sole
16.93K
Shared
0.00
None
0.00
Vanguard Mid-Cap ETF
SOLEShares98.23K
TypeSH
Market value$7.70M
2.26%
Sole
98.23K
Shared
0.00
None
0.00
Apple Inc
SOLEShares23.11K
TypeSH
Market value$7.70M
2.26%
Sole
23.11K
Shared
0.00
None
0.00
Vanguard Small-Cap ETF
SOLEShares26.56K
TypeSH
Market value$7.56M
2.22%
Sole
26.56K
Shared
0.00
None
0.00
SPDR S&P 500 ETF Trust
SOLEShares8.83K
TypeSH
Market value$6.73M
1.98%
Sole
8.83K
Shared
0.00
None
0.00
Vanguard Intermediate-Term Tax-Exempt Bond ETF
SOLEShares65.25K
TypeSH
Market value$6.22M
1.83%
Sole
65.25K
Shared
0.00
None
0.00
Costco Wholesale Corp
SOLEShares5.22K
TypeSH
Market value$4.75M
1.39%
Sole
5.22K
Shared
0.00
None
0.00
Vanguard FTSE Developed Market
SOLEShares67.11K
TypeSH
Market value$4.74M
1.39%
Sole
67.11K
Shared
0.00
None
0.00
Micron Technology Inc
SOLEShares4.11K
TypeSH
Market value$4.38M
1.29%
Sole
4.11K
Shared
0.00
None
0.00
Palo Alto Networks Inc
SOLEShares10.89K
TypeSH
Market value$4.33M
1.27%
Sole
10.89K
Shared
0.00
None
0.00
Palantir Technologies Inc
SOLEShares22.35K
TypeSH
Market value$4.18M
1.23%
Sole
22.35K
Shared
0.00
None
0.00
Sandisk Corp
SOLEShares2.32K
TypeSH
Market value$4.03M
1.18%
Sole
2.32K
Shared
0.00
None
0.00
Vanguard Core Tax-Exempt Bond ETF
SOLEShares55.63K
TypeSH
Market value$3.98M
1.17%
Sole
55.63K
Shared
0.00
None
0.00
Alphabet Inc
SOLEShares11.14K
TypeSH
Market value$3.83M
1.13%
Sole
11.14K
Shared
0.00
None
0.00
Strive 500 ETF
SOLEShares77.13K
TypeSH
Market value$3.80M
1.12%
Sole
77.13K
Shared
0.00
None
0.00
AbbVie Inc
SOLEShares12.35K
TypeSH
Market value$3.23M
0.95%
Sole
12.35K
Shared
0.00
None
0.00
Visa Inc
SOLEShares8.70K
TypeSH
Market value$3.13M
0.92%
Sole
8.70K
Shared
0.00
None
0.00
Eli Lilly & Co
SOLEShares2.62K
TypeSH
Market value$3.04M
0.89%
Sole
2.62K
Shared
0.00
None
0.00
CrowdStrike Holdings Inc
SOLEShares11.02K
TypeSH
Market value$2.92M
0.86%
Sole
11.02K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CorpSOLE | COM | 82K | SH | $18.73M 5.50% | 82K | 0.00 | 0.00 |
Vanguard Short Duration Tax-Exm Bd ETFSOLE | ETF | 179.76K | SH | $13.37M 3.93% | 179.76K | 0.00 | 0.00 |
Vanguard S&P 500 ETFSOLE | ETF | 17.52K | SH | $12.28M 3.61% | 17.52K | 0.00 | 0.00 |
Vanguard Total Stock Market ETFSOLE | ETF | 31.46K | SH | $11.77M 3.46% | 31.46K | 0.00 | 0.00 |
iShares Core S&P 500 ETFSOLE | ETF | 13.53K | SH | $10.36M 3.04% | 13.53K | 0.00 | 0.00 |
Vanguard Short-Term Tax-Exmpt Bd ETFSOLE | ETF | 100.97K | SH | $9.96M 2.92% | 100.97K | 0.00 | 0.00 |
Microsoft CorpSOLE | COM | 16.93K | SH | $8.69M 2.55% | 16.93K | 0.00 | 0.00 |
Vanguard Mid-Cap ETFSOLE | ETF | 98.23K | SH | $7.70M 2.26% | 98.23K | 0.00 | 0.00 |
Apple IncSOLE | COM | 23.11K | SH | $7.70M 2.26% | 23.11K | 0.00 | 0.00 |
Vanguard Small-Cap ETFSOLE | ETF | 26.56K | SH | $7.56M 2.22% | 26.56K | 0.00 | 0.00 |
SPDR S&P 500 ETF TrustSOLE | ETF | 8.83K | SH | $6.73M 1.98% | 8.83K | 0.00 | 0.00 |
Vanguard Intermediate-Term Tax-Exempt Bond ETFSOLE | ETF | 65.25K | SH | $6.22M 1.83% | 65.25K | 0.00 | 0.00 |
Costco Wholesale CorpSOLE | COM | 5.22K | SH | $4.75M 1.39% | 5.22K | 0.00 | 0.00 |
Vanguard FTSE Developed MarketSOLE | ETF | 67.11K | SH | $4.74M 1.39% | 67.11K | 0.00 | 0.00 |
Micron Technology IncSOLE | COM | 4.11K | SH | $4.38M 1.29% | 4.11K | 0.00 | 0.00 |
Palo Alto Networks IncSOLE | COM | 10.89K | SH | $4.33M 1.27% | 10.89K | 0.00 | 0.00 |
Palantir Technologies IncSOLE | COM | 22.35K | SH | $4.18M 1.23% | 22.35K | 0.00 | 0.00 |
Sandisk CorpSOLE | COM | 2.32K | SH | $4.03M 1.18% | 2.32K | 0.00 | 0.00 |
Vanguard Core Tax-Exempt Bond ETFSOLE | ETF | 55.63K | SH | $3.98M 1.17% | 55.63K | 0.00 | 0.00 |
Alphabet IncSOLE | COM | 11.14K | SH | $3.83M 1.13% | 11.14K | 0.00 | 0.00 |
Strive 500 ETFSOLE | ETF | 77.13K | SH | $3.80M 1.12% | 77.13K | 0.00 | 0.00 |
AbbVie IncSOLE | COM | 12.35K | SH | $3.23M 0.95% | 12.35K | 0.00 | 0.00 |
Visa IncSOLE | COM | 8.70K | SH | $3.13M 0.92% | 8.70K | 0.00 | 0.00 |
Eli Lilly & CoSOLE | COM | 2.62K | SH | $3.04M 0.89% | 2.62K | 0.00 | 0.00 |
CrowdStrike Holdings IncSOLE | COM | 11.02K | SH | $2.92M 0.86% | 11.02K | 0.00 | 0.00 |
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