13F Insight
DOSSIER · 13F-HR · Q1 2026

S.A. Mason LLC

$266M in tracked AUM across 266 positions as of Q1 2026.

SM
CIK 0001800911 · last filed Mar 31, 2026
Total AUM
$266M
as of Q1 2026
Holdings
266
—
positions
Whale Score
46
46
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

S.A. Mason LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
NVDA
NVIDIA Corp
$14M80K5.2%02
VTI
Vanguard Total Stock Market ETF
$9M28K3.4%03
VSDM
Vanguard Short Duration Tax-Exm Bd ETF
$9M119K3.4%04
IVV
iShares Core S&P 500 ETF
$8M13K3.1%05
VOO
Vanguard S&P 500 ETF
$7M12K2.7%06
VO
Vanguard Mid-Cap ETF
$6M22K2.3%07
VB
Vanguard Small-Cap ETF
$6M23K2.3%08
MSFT
Microsoft Corp
$6M16K2.2%09
SPY
SPDR S&P 500 ETF Trust
$6M9K2.2%10
AAPL
Apple Inc
$6M22K2.1%

Filing history

2026Q1Mar 31
$266M▲ 5.3%
266 positionsView →2025Q4Dec 31
$253M▲ 11.6%
260 positionsView →2025Q3Sep 30
$227M▲ 9.6%
256 positionsView →2025Q2Jun 30
$207M▲ 9.2%
362 positionsLocked2025Q1Mar 31
$189M▼ 0.6%
348 positionsLocked2024Q4Dec 31
$190M▲ 0.9%
342 positionsLocked2024Q3Sep 30
$189M▲ 7.3%
324 positionsLocked2024Q2Jun 30
$176M▲ 5.7%
319 positionsLocked2024Q1Mar 31
$166M▲ 11.6%
314 positionsLocked2023Q4Dec 31
$149M▲ 7.5%
316 positionsLocked2023Q3Sep 30
$139M▲ 0.7%
314 positionsLocked2023Q2Jun 30
$138M— 0.0%
315 positionsLocked
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