Mariner Investment Group, Llc
- Regulatory AUM
- $150B
- Discretionary
- $150B
- Clients
- 36
- Avg AUM / client
- $4.2B
- Accounts
- 37
- Employees
- 146
AUM over time
Annual snapshots from Form ADV filings · as of Mar 31, 2026
Asset allocation (SMA assets by investment type)
as of Mar 31, 2026Share of SMA assets by investment vehicle type, as filed in Form ADV Item 5.K. Dollar figures are percentages applied to total regulatory AUM.
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Investment companies | 2 | $3.2B | 2.11% |
| Pooled investment vehicles (non-investment companies) | 34 | $126B | 84.1% |
| Pension and profit sharing plans | Fewer than 5 clients | $2.1B | 1.38% |
| Sovereign wealth funds and foreign official institutions | Fewer than 5 clients | $18.5B | 12.4% |
Private funds (17)
View all →Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $117B combined gross assets
People (5)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Howe, Charles, Raymond | President & Chief Financial Officer | Sep 2002 (24y) | Less than 5% | |
| O'rourke, Peter, Joseph | General Counsel | Apr 2003 (23y) | Less than 5% | |
| Kelty, John | Chief Operating Officer | Jan 2012 (15y) | Less than 5% | |
| Arledge, Curtis, Yates | Chairman & Chief Executive Officer | Apr 2019 (7y) | ≈ 18.75% – 50% via Mig Holdings, Llc | |
| Thompson, Russell, Anthony | Chief Compliance Officer & Deputy General Counsel | Jul 2020 (6y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Mig Holdings, Llc | Sole Owner | Dec 2007 | A | 75% or more |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Arledge, Curtis, Yates: 25% – 50% of Mig Holdings, Llc × 75% – 100% direct ≈ 18.75% – 50% 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 (17, $117B gross assets)
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 5.25 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 investment companies
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- Sg Americas Securities, Llc $11.4B (8% of AUM) Mar 2026
- J.P. Morgan $9.6B (6% of AUM) Mar 2026
- Bbva Compass Bancshares, Inc. $241M (0% of AUM) Jun 2020
- Northern Trust $52.3M (0% of AUM) Feb 2024
- Barclays Capital Inc. $35.3M (0% of AUM) Mar 2024
- Pershing $28.1M (0% of AUM) Mar 2024
- Bofa Securities, Inc. $20.7M (0% of AUM) Mar 2024
- Bnp Paribas Securities Corp. $11.9M (0% of AUM) Feb 2024
- BNY Mellon $95.2K (0% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have 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 31, 2026.
View current Form ADV (SEC/IAPD) ↗