One Madison Group Llc
- Regulatory AUM
- $7.0B
- Discretionary
- $7.0B
- Clients
- 5
- Avg AUM / client
- $1.4B
- Accounts
- 5
- Employees
- 23
AUM over time
Annual snapshots from Form ADV filings · as of Mar 30, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 4 | $34.5M | 0.49% |
| Other | 1 | $7.0B | 99.5% |
Private funds (4)
Reported in Form ADV Section 7.B.(1), filing of Apr 2024 · $191M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| One Madison Group Plenty, Llc | Private Equity Fund | Delaware | $166M | 12 |
| One Madison Carbone Ii, Llc | Private Equity Fund | Delaware | $13.4M | 5 |
| One Madison Carbone Iii, Llc | Private Equity Fund | Delaware | $8.9M | 3 |
| One Madison Carbone, Llc | Private Equity Fund | Delaware | $2.5M | 4 |
People (7)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Soros, Jonathan, Tivadar | Co Founder, Manager | Mar 2012 (14y) | ≈ 18.75% – 50% via Js Capital Management Llc | |
| Murgio, David, Paul | General Counsel | Sep 2018 (8y) | Less than 5% | |
| Asali, Omar, Marwan | Owner, Managing Member | Oct 2018 (8y) | ≈ 12.5% – 37.5% via One Madison Holdings Llc | |
| Naccarella, Daniel, Peter | Chief Compliance Officer | Jan 2022 (5y) | Less than 5% | |
| Seshadri, Salil, Nmn | Co Founder, Manager | Dec 2023 (3y) | ≈ 18.75% – 50% via Ss1 Mg Member Llc | |
| Holahan, Richard, Daniel | President | Jan 2024 (3y) | Less than 5% | |
| Kaplan, Scott, Michael | Chief Financial Officer | Jan 2024 (3y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| One Madison Holdings Llc | Owner | Oct 2018 | A | 25% – 50% |
| Ss1 Mg Member Llc | Owner | Jan 2024 | A | 25% – 50% |
| Js Capital Management Llc | Owner | Jan 2024 | A | 25% – 50% |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Soros, Jonathan, Tivadar: 75% – 100% of Js Capital Management Llc × 25% – 50% direct ≈ 18.75% – 50% of the firm
- Asali, Omar, Marwan: 50% – 75% of One Madison Holdings Llc × 25% – 50% direct ≈ 12.5% – 37.5% of the firm
- Seshadri, Salil, Nmn: 75% – 100% of Ss1 Mg Member Llc × 25% – 50% 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 (4, $191M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| One Madison Group Plenty, Llc | Private Equity Fund | $166M | $0 | 12 |
| One Madison Carbone Ii, Llc | Private Equity Fund | $13.4M | $0 | 5 |
| One Madison Carbone Iii, Llc | Private Equity Fund | $8.9M | $0 | 3 |
| One Madison Carbone, Llc | Private Equity Fund | $2.5M | $0 | 4 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/30/2026 | 1.72 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 pooled investment vehicles
- • Portfolio management for businesses/institutional clients
- • Selection of other advisers
Custody
Reported custodians
- Morgan Stanley $751M (11% of AUM) Mar 2026
- Bofa Securities, Inc. $613M (11% of AUM) Mar 2025
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 30, 2026.
View current Form ADV (SEC/IAPD) ↗