Mattern Capital Management, LLC

Registered investment adviser · Lakewood, CO · CRD #299342

Form ADV data as of 2026-09-01

Regulatory assets

$1.07 billion

Total accounts

1,244

Employees

Disclosure events

Firm details

Website: https://www.linkedin.com/company/matterncapitalmanagement
Telephone: 720-710-2934
SEC file number: 801-114522
Most recent Form ADV filing: 2026-07-29
SEC record: View this firm on the SEC's IAPD site

Disciplinary disclosures

This firm answered No to every Item 11 disciplinary question on its most recent Form ADV filing.

Assets and accounts

Provides continuous and regular supervisory or management services	Yes
Discretionary regulatory assets under management	$1.07 billion
Non-discretionary regulatory assets under management	$0
Total regulatory assets under management	$1.07 billion
Discretionary accounts	1,244
Non-discretionary accounts	0
Total accounts	1,244
Regulatory assets under management attributable to non-U.S. persons	$5.7 million

People

Total employees (excluding clerical)	9
Employees performing investment advisory functions (including research)	7
Employees who are registered representatives of a broker-dealer	0
Employees registered as investment adviser representatives with a state	7
Employees registered as IARs for another investment adviser	0
Employees who are licensed insurance agents	0
Firms or persons who solicit advisory clients on the firm's behalf	0

Custody

Has custody of client cash or bank accounts	Yes
Has custody of client securities	Yes
Client funds and securities held in the firm's custody	$531.9 million
Clients for whom the firm has custody	240
A related person has custody of client cash or bank accounts	No
A related person has custody of client securities	No
The firm acts as a qualified custodian	No
A related person acts as a qualified custodian	No
Number of persons acting as qualified custodians for the firm's clients	2

How the firm is compensated

A percentage of assets under managementHourly chargesFixed fees (other than subscription fees)

Advisory services offered

Financial planning servicesPortfolio management for individuals and/or small businessesPortfolio management for businesses or institutional clientsPension consulting servicesSelection of other advisers (including private fund managers)

Reported conflicts of interest

Form ADV Items 8 asks advisers to disclose arrangements that may create a conflict with client interests. This firm answered Yes to:

Buys or sells for itself securities it also recommends to clients
Recommends brokers or dealers to clients

Client types

Type of client	Clients	Assets
Individuals (other than high net worth individuals)	169	$53.1 million
High net worth individuals	235	$984.9 million
Charitable organizations	Not reported	$6.6 million
Insurance companies	Not reported	$10.3 million
Corporations or other businesses not listed above	6	$1.7 million
Other	26	$17.0 million