DOSSIER · 13F-HR · Q1 2026

Mattern Wealth Management LLC

Mattern Wealth's hedge fund based in San Francisco, CA $513M in tracked AUM across 158 positions as of Q1 2026.

MW
Mattern Wealth·San Francisco, CA·Hedge Fund
CIK 0001802376 · last filed Mar 31, 2026
Total AUM
$513M
2.8%
vs prior
Holdings
158
positions
Whale Score
57
57
tracked
Activity
no data
changes this Q
Top sector
Tech
51% weight
concentration
AI Analysis · Q1 2026 · Q1 2026
Comprehensive Analysis of SEC 13F Filing: Mattern Wealth Management LLC
1. Portfolio Overview

Mattern Wealth Management LLC reported a significant expansion in assets under management (AUM) for the quarter ending December 31, 2025. The total portfolio value surged by 71.5%, rising from $302.99 million to $519.48 million. This substantial growth indicates a likely combination of strong market performance on existing assets and significant net new capital inflows from clients.

...

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
DFAC
DIMENSIONAL ETF TRUST
$72M1.9M14.0%
02
AVUS
AMERICAN CENTY ETF TR
$41M368K8.0%
03
DFIC
DIMENSIONAL ETF TRUST
$35M982K6.8%
04
DFSD
DIMENSIONAL ETF TRUST
$29M603K5.6%
05
DFNM
DIMENSIONAL ETF TRUST
$25M530K5.0%
06
DFGX
DIMENSIONAL ETF TRUST
$19M368K3.8%
07
MSFT
MICROSOFT CORP
$19M51K3.7%
08
AAPL
APPLE INC
$18M71K3.5%
09
QQQ
INVESCO QQQ TR
$18M31K3.5%
10
DFCF
DIMENSIONAL ETF TRUST
$15M344K2.8%

Filing history

Filing history loading…