AdFi
MW

MAINLINE WEST FUND MANAGER LLC

SEC Registered

Focused on Generational Wealth

DENVER, COhttps://mainlinewest.net720-536-3380
Assets Under Management
$1B–$5B
Year Founded
2008
Employees
5
Office Locations
1 office
Total Accounts
116

About the firm

MainLine West is an independent investment firm that, through its Registered Investment Adviser Mainline West Fund Manager, LLC, offers insight and access to municipal securities and investment strategies. The firm utilizes an in-house brokerage, Mainline West Municipal Securities, LLC, to buy and sell bonds for clients, eliminating brokerage fees and delivering direct access to primary offerings. MainLine West manages over $1.7 billion in municipal assets and fosters relationships with over 25 regional and national municipal bond underwriters.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

High Net WorthPooled Vehicles

Areas of expertise

Municipal BondsSeparately Managed AccountsPrivate FundsTax-advantaged InvestingGenerational WealthMunicipal ArbitrageTax-free IncomeRegistered Investment Adviser

Services

Separately Managed Accounts designed for high-net-worth investors with custom bond portfolios tailored to specific duration needs, and Private Funds (MainLine West Tax-Advantaged Opportunity Funds) targeting high tax-exempt income and capital appreciation through relative value municipal arbitrage investments.

risk_management

Who they serve

High-net-worth investors seeking tax-advantaged municipal investment strategies

Client segmentClientsAssets managed
High Net Worth Individuals109$422M
Pension/Profit Sharing Plans7$1.3B

0 total clients reported on Form ADV.

Leadership

Mainline West Llc
SOLE MEMBER
Bradley James Kreidle
CEO
Michael Carl Maciolek
SENIOR VICE PRESIDENT
Mainline Capital Llc
MEMBER
Roger Seymour Dalen
CHIEF COMPLIANCE OFFICER
Anthony Scott Caselli
CHIEF FINANCIAL OFFICER
Paul Wilhelm Dannenhauer
SENIOR VICE PRESIDENT

Office locations

1 office in 1 state
CO
DENVERHQ

Advisors at this firm

4 advisors in the directory

Regulatory & compliance

CRD number
#147532
SEC Number
801-69444
Disciplinary History
No
Fee Model & Minimums
Model: AUM / Performance-based

Data as of March 14, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

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Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. MAINLINE WEST FUND MANAGER LLC has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

MAINLINE WEST FUND MANAGER LLC in DENVER, CO | AdvisorFinder