13F Insight
DOSSIER · 13F-HR · Q2 2026

MATTERN CAPITAL MANAGEMENT, LLC

$857M in tracked AUM across 166 positions as of Q2 2026.

MC
CIK 0001803227 · last filed Jun 30, 2026
Total AUM
$857M
as of Q2 2026
Holdings
166
—
positions
Whale Score
49
49
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

MATTERN CAPITAL MANAGEMENT, LLC filed its latest 13F-HR for Q2 2026. See the latest holdings and position changes below.

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
AAPL
APPLE INC
$22M76K2.6%02
GWW
WW GRAINGER INC
$16M12K1.9%03
MSFT
MICROSOFT CORP
$15M41K1.8%04
UNH
UNITEDHEALTH GROUP INC
$15M35K1.7%05
COST
COSTCO WHOLESALE CORPORATION
$13M14K1.6%06
AVGO
BROADCOM INC
$13M35K1.6%07
COR
CENCORA INC
$13M47K1.5%08
AFL
AFLAC INC
$13M110K1.5%09
CSCO
CISCO SYS INC
$12M106K1.5%10
G54950103
LINDE PLC
$12M24K1.4%

Filing history

2026Q2Jun 30
$857M▲ 2.6%
166 positionsView →2026Q1Mar 31
$835M▼ 1.4%
170 positionsView →2025Q4Dec 31
$847M▼ 0.4%
170 positionsView →2025Q3Sep 30
$851M▲ 2.2%
172 positionsView →2025Q2Jun 30
$832M▲ 6.0%
170 positionsLocked2025Q1Mar 31
$785M▲ 2.3%
163 positionsLocked2024Q4Dec 31
$767M▼ 3.4%
160 positionsLocked2024Q3Sep 30
$795M▲ 9.8%
156 positionsLocked2024Q2Jun 30
$724M▼ 1.7%
157 positionsLocked2024Q1Mar 31
$736M▲ 7.1%
157 positionsLocked2023Q4Dec 31
$688M▲ 11.3%
136 positionsLocked2023Q3Sep 30
$618M▲ 0.3%
135 positionsLocked
Showing 12 of 27