Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Mattern Wealth Management LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

Mattern Wealth Management LLC (CIK 1802376) reported $512.9M across 158 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: DFAC ($72.0M, 14.04%), AVUS ($40.9M, 7.97%), DFIC ($34.9M, 6.81%), DFSD ($28.9M, 5.63%), DFNM ($25.4M, 4.96%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1DFACDIMENSIONAL ETF TRUST$72.0M14.04%1.9MAdded
2AVUSAMERICAN CENTY ETF TR$40.9M7.97%367,705Added
3DFICDIMENSIONAL ETF TRUST$34.9M6.81%982,304Added
4DFSDDIMENSIONAL ETF TRUST$28.9M5.63%603,374Added
5DFNMDIMENSIONAL ETF TRUST$25.4M4.96%530,248Trimmed
6DFGXDIMENSIONAL ETF TRUST$19.3M3.77%368,296Added
7MSFTMICROSOFT CORP$18.9M3.69%51,115Added
8AAPLAPPLE INC$18.0M3.52%71,051Trimmed
9QQQINVESCO QQQ TR$17.8M3.47%30,863Trimmed
10DFCFDIMENSIONAL ETF TRUST$14.5M2.83%343,727Added
11DGCBDIMENSIONAL ETF TRUST$14.4M2.81%266,202Added
12DFEMDIMENSIONAL ETF TRUST$10.6M2.07%307,219Added
13AVSFAMERICAN CENTY ETF TR$9.6M1.87%205,258Added
14JPMJPMORGAN CHASE & CO$7.7M1.50%26,112Added
15DFIVDIMENSIONAL ETF TRUST$7.5M1.47%142,932Added
16DUSBDIMENSIONAL ETF TRUST$7.4M1.45%146,480Trimmed
17GOOGLALPHABET INC$7.1M1.38%24,556Trimmed
18CATCATERPILLAR INC$6.9M1.35%9,768Trimmed
19DFAUDIMENSIONAL ETF TRUST$6.8M1.33%151,282Added
20COSTCOSTCO WHOLESALE CORPORATION$6.2M1.21%6,205Added
21NVDANVIDIA CORPORATION$5.8M1.14%33,410Trimmed
22AMZNAMAZON COM INC$5.8M1.13%27,826Trimmed
23AVIGAMERICAN CENTY ETF TR$4.7M0.92%113,392Trimmed
24WMTWALMART INC$4.7M0.92%38,103Trimmed
25VTIVANGUARD INDEX FDS$4.1M0.80%12,737Hold

Source: SEC Form 13F filings · as of 2026-03-31