Mainline West Fund Manager Llc
- Regulatory AUM
- $1.8B
- Discretionary
- $1.8B
- Clients
- 116
- Avg AUM / client
- $15.3M
- Accounts
- 116
- Employees
- 5
AUM over time
Annual snapshots from Form ADV filings · as of Mar 14, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 109 | $422M | 23.8% |
| Pooled investment vehicles (non-investment companies) | 7 | $1.3B | 76.2% |
Private funds (6)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $1.4B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Mainline West Tax Advantaged Opportunity Fund V Llc | Other Private Fund | Delaware | $340M | 74 |
| Mainline West Tax Advantaged Opportunity Fund Vi Llc | Other Private Fund | Delaware | $315M | 98 |
| Mainline West Tax Advantaged Opportunity Fund Vii Llc | Other Private Fund | Delaware | $270M | 122 |
| Mainline West Private Client Trust Ii Llc | Other Private Fund | Delaware | $185M | 1 |
| Mainline West Tax Advantaged Opportunity Fund Vi 5 | Other Private Fund | Delaware | $179M | 99 |
| Mainline West Private Client Trust I Llc | Other Private Fund | Delaware | $85.6M | 3 |
People (4)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Bradley James Kreidle | President | Jan 2008 (19y) | ≈ 42.19% – 100% via Mainline Capital Llc | |
| Michael Carl Maciolek | Senior Vice President | CFA | Mar 2008 (18y) | Less than 5% |
| Paul Wilhelm Dannenhauer | Senior Vice President | Jul 2009 (17y) | Less than 5% | |
| Anthony Scott Caselli | Chief Financial Officer And Chief Compliance Officer | Jun 2019 (7y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Mainline West Llc | Sole Member | Jan 2008 | A | 75% or more |
| Mainline Capital Llc | Member | Jan 2008 | B | ≈ 56.25% – 100% via Mainline West Llc |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Bradley James Kreidle: 75% – 100% of Mainline Capital Llc × 75% – 100% of Mainline West Llc × 75% – 100% direct ≈ 42.19% – 100% of the firm
- Mainline Capital Llc: 75% – 100% of Mainline West Llc × 75% – 100% direct ≈ 56.25% – 100% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Private funds (6, $1.4B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Mainline West Tax Advantaged Opportunity Fund V Llc | Other Private Fund | $340M | $100K | 74 |
| Mainline West Tax Advantaged Opportunity Fund Vi Llc | Other Private Fund | $315M | $100K | 98 |
| Mainline West Tax Advantaged Opportunity Fund Vii Llc | Other Private Fund | $270M | $100K | 122 |
| Mainline West Private Client Trust Ii Llc | Other Private Fund | $185M | $1.0M | 1 |
| Mainline West Tax Advantaged Opportunity Fund Vi 5 | Other Private Fund | $179M | $100K | 99 |
| Mainline West Private Client Trust I Llc | Other Private Fund | $85.6M | $1.0M | 3 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/14/2026 | 2.37 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Performance-based fees
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
Custody
Reported custodians
- Wilmington Trust Company $1.0B (58% of AUM) Mar 2026
- Charles Schwab & Co. $178M (10% of AUM) Mar 2024
- Hilltop Securities Inc. $102M (6% of AUM) Mar 2026
- Deutsche Bank Securities Inc. $100M (6% of AUM) Mar 2024
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 14, 2026.
View current Form ADV (SEC/IAPD) ↗