Terminal · Institutions

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

MATTERN CAPITAL MANAGEMENT, LLC 13F Holdings -- Portfolio & Top Positions (2026-06-30)

MATTERN CAPITAL MANAGEMENT, LLC (CIK 1803227) reported $856.7M across 166 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: AAPL ($22.1M, 2.58%), GWW ($16.1M, 1.88%), MSFT ($15.3M, 1.79%), UNH ($14.6M, 1.71%), COST ($13.4M, 1.57%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1AAPLAPPLE INC$22.1M2.58%76,362Trimmed
2GWWWW GRAINGER INC$16.1M1.88%11,817Trimmed
3MSFTMICROSOFT CORP$15.3M1.79%41,086Trimmed
4UNHUNITEDHEALTH GROUP INC$14.6M1.71%35,240Trimmed
5COSTCOSTCO WHOLESALE CORPORATION$13.4M1.57%14,372Trimmed
6ABCCENCORA INC$13.3M1.55%46,831Added
7AVGOBROADCOM INC$13.3M1.55%35,199Trimmed
8AFLAFLAC INC$12.9M1.51%110,309Trimmed
9CSCOCISCO SYS INC$12.5M1.45%106,058Added
10LINLINDE PLC$12.3M1.44%23,750Trimmed
11CBCHUBB LIMITED$12.3M1.43%35,965Trimmed
12LLYELI LILLY & CO$12.2M1.43%10,188Added
13WECWEC ENERGY GROUP INC$12.1M1.42%103,889Trimmed
14LOWLOWES COS INC$12.1M1.41%54,910Added
15GDGENERAL DYNAMICS CORP$11.9M1.39%33,512Added
16TXNTEXAS INSTRS INC$11.8M1.38%39,548Trimmed
17NEENEXTERA ENERGY INC$11.6M1.35%131,600Trimmed
18CMSCMS ENERGY CORP$11.5M1.35%150,896Trimmed
19ADPAUTOMATIC DATA PROCESSING IN$11.2M1.31%50,215Added
20TTTRANE TECHNOLOGIES PLC$11.1M1.30%22,695Trimmed
21AWKAMERICAN WTR WKS CO INC NEW$11.2M1.30%84,940Trimmed
22APHAMPHENOL CORP$11.0M1.29%62,586Added
23BROBROWN & BROWN INC$10.9M1.27%169,855Added
24SHWSHERWIN WILLIAMS CO$10.8M1.26%31,373Added
25FDSFACTSET RESH SYS INC$10.8M1.26%46,828Added

Source: SEC Form 13F filings · as of 2026-06-30