Mainline West Fund Manager

Asset Manager SEC-registered adviser

Legal name: Mainline West Fund Manager LLC

Denver, CO Website

AUM

$1.8B
Regulatory AUM

Private funds

7
Other 7

Private fund assets

$1.3B
Gross asset value

Employees

5

Last Form D raise

Nov 2025
Most recent fund filing

From SEC Form ADV filing (filed Mar 14, 2026). View on SEC

People(4)

Owners and executive officers named on the firm's SEC Form ADV.

A
Anthony Caselli
Owner, Chief Financial Officer, Chief Compliance Officer
Source: SEC Form ADV
B
Bradley Kreidle
Owner, President
Source: SEC Form ADV
M
Michael MacIolek
Owner, Senior Vice President
Source: SEC Form ADV
P
Paul Dannenhauer
Owner, Senior Vice President
Source: SEC Form ADV

Funds(7)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Mainline West Tax Advantaged Opportunity Fund VIII, LLCOther$43.9M$43.9M77Nov 2025Warm
Mainline West Tax Advantaged Opportunity Fund VII LLCOther$249.3M$79.1M122May 2022Cold
Mainline West Tax Advantaged Opportunity Fund VI-5Other$167.2M$57.4M99Dec 2020Cold
Mainline West Tax Advantaged Opportunity Fund V LLCOther$300.0M$92.5M74Jan 2019Cold
Mainline West Tax Advantaged Opportunity Fund VI LLCOther$287.2M$92.5M74Jan 2019Cold
Mainline West Private Client Trust II LLCOther$209.1M$10.0M1Jun 2017Cold
Mainline West Private Client Trust I LLCOther$70.9M——Nov 2016Cold

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
147532
SEC file number
801-69444

Sources