Mainline West Fund Manager provides portfolio management for individuals and small businesses and portfolio management for pooled vehicles. The firm advises 7 private funds.
Mainline West Fund Manager reports 116 clients. They include 109 high-net-worth individuals and 7 pooled investment vehicles. Of its assets, 100.0% ($1.77B across 116 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| High-net-worth individuals | 94% | 24% |
| Pooled investment vehicles | 6% | 76% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| High-net-worth individuals | 109 | $422M | 23.8% | $3.87M |
| Pooled investment vehicles | 7 | $1.35B | 76.2% | $193M |
| Total | 116 | $1.77B | 100% | $15.3M |
- Clients
- 109
- Regulatory AUM
- $422M
- AUM share
- 23.8%
- Avg. per client
- $3.87M
- Clients
- 7
- Regulatory AUM
- $1.35B
- AUM share
- 76.2%
- Avg. per client
- $193M
Total
- Clients
- 116
- Regulatory AUM
- $1.77B
- AUM share
- 100%
- Avg. per client
- $15.3M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 7
Mainline West Fund Manager is paid through a percentage of assets under management and performance-based fees; its fees and minimums are set out in its brochures on the SEC website.
Mainline West LLC owns 75% or more of Mainline West Fund Manager and is in turn owned by Mainline Capital LLC (75% or more). The leadership team of Mainline West Fund Manager includes President Paul Dannenhauer and Chief Financial Officer Anthony Caselli. It has 5 employees, 4 of them in advisory roles.
Staff
- 5 employees
- 4 in advisory functions
- 4 state-registered reps
- 4 broker-dealer reps
- 1 soliciting firm
- Owns 75% or more of Mainline West Fund Manager LLC
Mainline West LLC
Control person · since January 2008
- Owns 75% or more of Mainline West LLC
Mainline Capital LLC
Control person · since January 2008
- Owns 75% or more of Mainline Capital LLC
Bradley Kreidle
Control person · since January 2008
- Owns 5% to 10% of Mainline West Fund Manager LLC
Anthony Caselli
Control person · since January 2021
Mainline West Fund Manager’s regulatory assets grew from $1.41B (March 2021) to $1.77B (March 2026); clients rose from 68 to 116 and employees were 5 in both filings.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| Mar 2026March 2026 | $1.77B | 116 | 5 | 1 |
| Jun 2025June 2025 | $1.68B | 120 | 5 | 1 |
| Mar 2024March 2024 | $1.77B | 109 | 4 | 1 |
| May 2023May 2023 | $1.8B | 104 | 4 | 1 |
| Mar 2022March 2022 | $1.46B | 76 | 5 | 1 |
| Mar 2021March 2021 | $1.41B | 68 | 5 | 1 |
Besides its headquarters, Mainline West Fund Manager has 0 offices, with 1 listed address in 1 state.
Colorado · 1 listed address
- 2237 W. 30th Avenue, DenverHQ
Contact and registration details
- Legal name
- Mainline West Fund Manager LLC
- Headquarters
- 2237 W. 30th Avenue, Denver, CO 80211
- Website
- mainlinewest.net
- Phone
- 720-536-3380
- SEC file
- 801-69444
- Structure
- Delaware LLC
- Fiscal year end
- December
Mainline West Fund Manager’s named custodians for separately managed accounts are Wilmington Trust ($1.03B, 91%) and Hilltop Securities ($102M, 9%). Mainline West Fund Manager has custody of $1.21B for 7 clients.
- Hilltop SecuritiesHilltop Securities Inc. · Dallas, TX · $102M9%
- Wilmington TrustWilmington Trust · Wilmington, DE · $1.03B91%
At year end, Mainline West Fund Manager’s separately managed accounts were mostly in bonds (100%).
What the accounts hold
- Bonds100%
How many clients does Mainline West Fund Manager have?
Mainline West Fund Manager has 116 clients and manages $1.77 billion for them, as of March 2026. They include 109 high-net-worth individuals and 7 pooled investment vehicles.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 14 March 2026
What services does Mainline West Fund Manager offer?
Mainline West Fund Manager provides portfolio management for individuals and small businesses and portfolio management for pooled vehicles.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Mainline West Fund Manager use?
Mainline West Fund Manager’s separately managed account assets are held at Wilmington Trust (Wilmington, DE), with $1.03B and Hilltop Securities Inc. (Dallas, TX), with $102M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 14 March 2026
How many financial advisors does Mainline West Fund Manager have?
Mainline West Fund Manager has 4 investment adviser representatives registered with state securities authorities, out of 5 employees, and 4 perform investment advisory functions. 4 employees are registered representatives of a broker-dealer and 0 employees are licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Mainline West Fund Manager invest in?
At the end of its last fiscal year, Mainline West Fund Manager’s separately managed accounts held 100% state and local bonds. It advises 7 private funds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Mainline West Fund Manager?
Mainline West Fund Manager is owned through a chain of holding companies by Bradley Kreidle. Its direct owners are Mainline West LLC (75% or more) and Anthony Caselli (5% to 10%).
Source: Form ADV Part 1A, Schedules A and B, filed 14 March 2026
How does Mainline West Fund Manager get paid?
Mainline West Fund Manager is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
How do I contact Mainline West Fund Manager?
Mainline West Fund Manager’s main office is at 2237 W. 30th Avenue, Denver, CO 80211. Its phone number is 720-536-3380. Its website is mainlinewest.net.