Rosemawr Management Llc
- Regulatory AUM
- $844M
- Discretionary
- $844M
- Clients
- 13
- Avg AUM / client
- $64.9M
- Accounts
- 13
- Employees
- 23
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Jun 09, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 13 | $844M | 100.0% |
Private funds (7)
Reported in Form ADV Section 7.B.(1), filing of May 2024 · $1.4B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Rosemawr Municipal Partners Fund Lp | Hedge Fund | Delaware | $657M | 176 |
| Rosemawr Capital V Lp | Private Equity Fund | Delaware | $204M | 200 |
| Rosemawr Capital Vi Lp | Private Equity Fund | Delaware | $183M | 51 |
| Rosemawr Capital Iv Lp | Private Equity Fund | Delaware | $175M | 167 |
| Rm Charter Master Fund Lp master | Hedge Fund | Delaware | $142M | 64 |
| Rosemawr Capital Iii Lp master | Private Equity Fund | Delaware | $52.9M | 151 |
| Rm1 Emo Fund Lp | Private Equity Fund | Delaware | $19.6M | 34 |
People (6)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Shlionsky, Gregory | Managing Member | Nov 2008 (18y) | 50% – 75% | |
| Halberstam, Baruch, Z | Chief Compliance Officer | Feb 2011 (16y) | Less than 5% | |
| Dubin, Alan, Jay | Trustee | Dec 2012 (14y) | GP / trustee / elected manager of Greg Shlionsky 2010 Irrevocable Trust (indirect) | |
| Dubin, Reva, Mae | Trustee | Dec 2012 (14y) | GP / trustee / elected manager of Greg Shlionsky 2010 Irrevocable Trust (indirect) | |
| Shlionsky, Esther | Trustee | Dec 2012 (14y) | GP / trustee / elected manager of Greg Shlionsky 2010 Irrevocable Trust (indirect) | |
| Chien, Jenny | Chief Financial Officer | Jan 2017 (10y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Rosemawr Capital Management Lp | Owner | Jan 2017 | A | 75% or more |
| Shlionsky Family Investments Llc | Owner | Jan 2017 | B | ≈ 18.75% – 50% via Rosemawr Capital Management Lp |
| Greg Shlionsky 2010 Irrevocable Trust | Owner | Dec 2012 | B | ≈ 4.69% – 25% via Shlionsky Family Investments Llc |
Estimated effective ownership (look-through of filed bands):
- Shlionsky Family Investments Llc: 25% – 50% of Rosemawr Capital Management Lp × 75% – 100% direct ≈ 18.75% – 50% of the firm
- Greg Shlionsky 2010 Irrevocable Trust: 25% – 50% of Shlionsky Family Investments Llc × 25% – 50% of Rosemawr Capital Management Lp × 75% – 100% direct ≈ 4.69% – 25% 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 (7, $1.4B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Rosemawr Municipal Partners Fund Lp | Hedge Fund | $657M | $1.0M | 176 |
| Rosemawr Capital V Lp | Private Equity Fund | $204M | $5.0M | 200 |
| Rosemawr Capital Vi Lp | Private Equity Fund | $183M | $5.0M | 51 |
| Rosemawr Capital Iv Lp | Private Equity Fund | $175M | $5.0M | 167 |
| Rm Charter Master Fund Lp | Hedge Fund | $142M | $1.0M | 64 |
| Rosemawr Capital Iii Lp | Private Equity Fund | $52.9M | $5.0M | 151 |
| Rm1 Emo Fund Lp | Private Equity Fund | $19.6M | $1.0M | 34 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 06/09/2026 | 3.53 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
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- Wells Fargo $3.0M (0% of AUM) Jul 2025
- Charles Schwab & Co. $2.2M (0% of AUM) Mar 2020
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: Jun 09, 2026.
View current Form ADV (SEC/IAPD) ↗