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Mattern Capital Management, LLC

Portfolio Profile

CIK: 0001803227 | LAKEWOOD, CO

Investment Profile

Style

Core

Turnover

Medium

Orientation

Concentrated trader
$855.9M
AUM
166
Positions
16.9%
Top 10 Conc.
35.99%
Top 25 Conc.

Top Holdings

#SecuritySharesValue% of Portfolio
1Apple Inc(AAPL)71,134$23.7M2.77%
2Microsoft Corp(MSFT)38,404$19.7M2.30%
3WW Grainger Inc(GWW)11,209$14.0M1.63%
4Cencora Inc(COR)43,713$13.1M1.53%
5Costco Wholesale Corporation(COST)14,356$13.1M1.53%
6

Sector Allocation

Latest filing, equity positions only

Technology22.6% · $193.5M
Financial Services14.62% · $125.1M
Unclassified12.46% · $106.7M
Healthcare11.51% · $98.5M
Industrials10.48% · $89.7M
Utilities8.13% · $69.6M
Consumer Defensive8.06% · $69.0M

AUM History

$687.9M | 136 pos.
$736.5M | 157 pos.
$723.8M | 157 pos.
$794.6M | 156 pos.
$767.4M | 160 pos.
$785.4M | 163 pos.
Broadcom Inc(AVGO)
35,734
$12.5M
1.47%
7Unitedhealth Group Inc(UNH)33,919$12.5M1.45%
8Automatic Data Processing in(ADP)47,605$12.3M1.44%
9Aflac Inc(AFL)107,744$12.0M1.41%
10Factset Resh SYS Inc(FDS)43,757$11.8M1.38%
Consumer Cyclical
5.84% · $50.0M
Basic Materials2.39% · $20.5M
Energy1.58% · $13.5M
Real Estate1.43% · $12.2M
Communication Services0.89% · $7.6M

Sector Rotation

Quarter-over-quarter weight changes

SectorPrev %Curr %Change
Technology21.04%22.6%+1.56%
Consumer Cyclical6.64%5.84%-0.8%
Utilities8.75%8.13%-0.62%
Unclassified12.09%12.46%+0.37%
Industrials10.82%10.48%-0.34%
Energy1.38%1.58%+0.2%
Healthcare11.68%11.51%-0.17%
Real Estate1.59%1.43%-0.16%
Basic Materials2.53%2.39%-0.14%
Financial Services14.51%14.62%+0.11%
Consumer Defensive8.14%8.06%-0.08%
Communication Services0.83%0.89%+0.06%

Cap Size Rotation

Quarter-over-quarter weight changes by market cap

Cap SizePrev %Curr %Change
Large Cap60.16%59.67%-0.49%
Mega Cap24.82%25.05%+0.23%
Unclassified12.09%12.46%+0.37%
Mid Cap2.92%2.81%-0.11%
$832.4M | 170 pos.
$850.6M | 172 pos.
$846.9M | 170 pos.
$834.9M | 170 pos.
$856.7M | 166 pos.
$855.9M | 166 pos.
Q4
23
Q1
24
Q2
24
Q3
24
Q4
24
Q1
25
Q2
25
Q3
25
Q4
25
Q1
26
Q2
26
Q3
26

Recent Activity

Quarter-over-quarter position changes

8
New
8
Closed
62
Increased
67
Decreased
29
Unchanged