East Rock Capital, Llc
- Regulatory AUM
- $4.8B
- Discretionary
- $4.8B
- Clients
- 25
- Avg AUM / client
- $190M
- Accounts
- 17
- Employees
- 38
AUM over time
Annual snapshots from Form ADV filings · as of Jul 09, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 10 | $37.4M | 0.79% |
| Pooled investment vehicles (non-investment companies) | 15 | $4.7B | 99.2% |
Private funds (13)
Reported in Form ADV Section 7.B.(1), filing of Jul 2024 · $3.6B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| East Rock Endowment Fund, L.P. | Hedge Fund | Delaware | $989M | 5 |
| East Rock Djmd Fund, L.P. | Hedge Fund | Delaware | $505M | 5 |
| East Rock Granite Fund, L.P. | Hedge Fund | Delaware | $408M | 3 |
| East Rock Focus Fund, L.P. | Hedge Fund | Delaware | $377M | 80 |
| East Rock Lorelei Fund, L.P. | Hedge Fund | Delaware | $311M | 4 |
| East Rock Simco Endowment Fund, L.P. | Hedge Fund | Delaware | $256M | 2 |
| East Rock Victoria Fund, L.P. | Hedge Fund | Delaware | $252M | 8 |
| East Rock Oren Fund, L.P. | Hedge Fund | Delaware | $236M | 5 |
| East Rock Charitable Fund, L.P. | Hedge Fund | Delaware | $125M | 2 |
| East Rock Tivoli Fund, L.P. | Hedge Fund | Delaware | $108M | 2 |
| East Rock Eai Fund, Llc Series A | Private Equity Fund | Delaware | $46.7M | 25 |
| East Rock Eai Fund, Llc Series B | Private Equity Fund | Delaware | $23.9M | 26 |
| Er Wde, L.P. | Private Equity Fund | Delaware | $658K | 27 |
People (6)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Miller, Stuart, Alan | Partner | Apr 2005 (21y) | ≈ 2.5% – 12.5% via Mp Alpha Holdings Lllp | |
| Saiontz, Leslie, Miller | Partner | Apr 2005 (21y) | ≈ 2.5% – 12.5% via Mp Alpha Holdings Lllp | |
| Shapiro, Adam, John | Managing Member | Jan 2007 (20y) | Less than 5% | |
| Marks, Michael, Seth | Chief Operating Officer | Jan 2010 (17y) | Less than 5% | |
| Getchell, Shaun, Robert | Chief Compliance Officer / General Counsel | Mar 2019 (7y) | Less than 5% | |
| Molinet, Bryan, Christopher | Chief Financial Officer | Mar 2019 (7y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Shapiro Partners Management, Llc | Managing Member | Jan 2007 | A | 25% – 50% |
| Er Acquisition, Llc | Member | Dec 2021 | A | 25% – 50% |
| Mp Alpha Holdings Lllp | Member | Oct 2006 | A | 10% – 25% |
| Adam Shapiro 2007 Trust; Trustee, Adam John Shapiro | Member | Jan 2007 | B | ≈ 18.75% – 50% via Shapiro Partners Management, Llc |
| Lmm Family Corp. | General Partner | Apr 2005 | B | GP / trustee / elected manager of Mp Alpha Holdings Lllp (indirect) |
Undisclosed: 0% – 40% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Miller, Stuart, Alan: 25% – 50% of Mp Alpha Holdings Lllp × 10% – 25% direct ≈ 2.5% – 12.5% of the firm
- Saiontz, Leslie, Miller: 25% – 50% of Mp Alpha Holdings Lllp × 10% – 25% direct ≈ 2.5% – 12.5% of the firm
- Adam Shapiro 2007 Trust; Trustee, Adam John Shapiro: 75% – 100% of Shapiro Partners Management, 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 (13, $3.6B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| East Rock Endowment Fund, L.P. | Hedge Fund | $989M | $100M | 5 |
| East Rock Djmd Fund, L.P. | Hedge Fund | $505M | $100M | 5 |
| East Rock Granite Fund, L.P. | Hedge Fund | $408M | $100M | 3 |
| East Rock Focus Fund, L.P. | Hedge Fund | $377M | $1.0M | 80 |
| East Rock Lorelei Fund, L.P. | Hedge Fund | $311M | $100M | 4 |
| East Rock Simco Endowment Fund, L.P. | Hedge Fund | $256M | $25.0M | 2 |
| East Rock Victoria Fund, L.P. | Hedge Fund | $252M | $10.0M | 8 |
| East Rock Oren Fund, L.P. | Hedge Fund | $236M | $100M | 5 |
| East Rock Charitable Fund, L.P. | Hedge Fund | $125M | $100M | 2 |
| East Rock Tivoli Fund, L.P. | Hedge Fund | $108M | $100M | 2 |
| East Rock Eai Fund, Llc Series A | Private Equity Fund | $46.7M | $50.0K | 25 |
| East Rock Eai Fund, Llc Series B | Private Equity Fund | $23.9M | $50.0K | 26 |
| Er Wde, L.P. | Private Equity Fund | $658K | $1.0M | 27 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 07/09/2026 | 4.45 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
- • Selection of other advisers
Custody
Firm reports having custody of client funds or securities (Item 9.A).
No custodian data reported or mined yet.
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Jul 09, 2026.
View current Form ADV (SEC/IAPD) ↗