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Mattern Capital Management, LLC
Mattern Capital Management, LLC is a Colorado-based investment adviser founded in 2019 and headquartered in Lakewood, CO. The firm manages nearly $1 billion in assets for a diverse clientele, including individuals (both high net worth and non-high net worth), charitable organizations, insurance companies, and select business entities. With a team of approximately 8 employees, Mattern Capital offers tailored wealth management and investment advisory services focused on long-term client relationships and comprehensive financial planning.
Investment Strategy
Mattern Capital Management pursues a disciplined, client-centric investment strategy focused on portfolio diversification and long-term value generation. The firm constructs portfolios primarily using large-cap U.S. equities, seeking consistent growth while managing risk through broad sector and company exposure. Their client-specific portfolios emphasize efficient market participation, fundamental analysis, and active oversight. The firm is committed to holistic wealth management that integrates investment, tax, trust, and legal planning for individuals and family entities.
Latest 13F Filing Activity
Mattern Capital Management, LLC filed their most recent 13F report on Sep 30, 2025 disclosing 171 equity positions with a total 13F market value of $851M. The fund increased holdings in Constellation Energy Corp., Intuit, Apple Inc. among other positions. Mattern Capital Management, LLC reduced exposure to Union Pac Corp., Lockheed Martin Corp., Price T Rowe Group Inc. among others.
Top Holdings
Equity Positions (171)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
A AAPL | APPLE INC | 2.37% | $20.1M | 79,018 | $93.72 | $254.63 | +$3.6M |
M MSFT | MICROSOFT CORP | 2.27% | $19.3M | 37,220 | $195.53 | $517.95 | +$338.7K |
W WMT | WALMART INC | 1.71% | $14.6M | 141,219 | $44.27 | $103.06 | +$436.7K |
L LOW | LOWES COS INC | 1.56% | $13.3M | 52,735 | $139.46 | $251.31 | +$1.4M |
A AVGO | BROADCOM INC | 1.52% | $13.0M | 39,314 | $142.40 | $329.91 | +$811.4K |
Industry Allocation
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