Open Field Capital Llc
- Regulatory AUM
- $208M
- Discretionary
- $208M
- Clients
- 16
- Avg AUM / client
- $13.0M
- Accounts
- 16
- Employees
- 4
AUM over time
Annual snapshots from Form ADV filings · as of Mar 30, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 4 | $13.8M | 6.64% |
| Pooled investment vehicles (non-investment companies) | 10 | $111M | 53.4% |
| Other | 2 | $83.1M | 39.9% |
Private funds (5)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $72.1M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Emerging Technologies Fund Iii Llc master | Private Equity Fund | Delaware | $30.6M | 23 |
| Ofpp Llc | Private Equity Fund | Delaware | $26.6M | 48 |
| Emerging Technologies Fund Ii Llc master | Private Equity Fund | Delaware | $6.6M | 11 |
| Emerging Technologies Fund Iii Lp feeder | Private Equity Fund | Cayman Islands | $6.4M | 9 |
| Emerging Technologies Fund Ii Lp feeder | Private Equity Fund | Cayman Islands | $1.8M | 6 |
People (2)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Stableford, James, Patrick Francis | Director Of Portfolios, Chief Compliance Officer | Aug 2003 (23y) | 25% – 50% of Open Field Capital (Cayman) L.P. Funded Unapproved Retirement Benefit Scheme (indirect) | |
| Weiss, Marc, Jay | Chief Investment Officer | Aug 2003 (23y) | ≈ 18.75% – 50% via Open Field Capital (Cayman) L.P. |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Open Field Capital (Cayman) L.P. | Member | Mar 2006 | A | 75% or more |
| Open Field Capital (Cayman) L.P. Furbs, Subaccount James Stableford | Limited Partner | Aug 2005 | B | ≈ 18.75% – 50% via Open Field Capital (Cayman) L.P. |
| Open Field Capital Llc | Sole Member | Mar 2021 | B | GP / trustee / elected manager of Open Field Cayman Gp Llc (indirect) |
| Open Field Cayman Gp Llc | General Partner | Oct 2021 | B | GP / trustee / elected manager of Open Field Capital (Cayman) L.P. (indirect) |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Weiss, Marc, Jay: 25% – 50% of Open Field Capital (Cayman) L.P. × 75% – 100% direct ≈ 18.75% – 50% of the firm
- Open Field Capital (Cayman) L.P. Furbs, Subaccount James Stableford: 25% – 50% of Open Field Capital (Cayman) L.P. × 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 (5, $72.1M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Emerging Technologies Fund Iii Llc | Private Equity Fund | $30.6M | $1.0M | 23 |
| Ofpp Llc | Private Equity Fund | $26.6M | $10.0K | 48 |
| Emerging Technologies Fund Ii Llc | Private Equity Fund | $6.6M | $1.0M | 11 |
| Emerging Technologies Fund Iii Lp | Private Equity Fund | $6.4M | $1.0M | 9 |
| Emerging Technologies Fund Ii Lp | Private Equity Fund | $1.8M | $1.0M | 6 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/30/2026 | 2.98 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
- Sei Investments Company $81.6M (39% 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 30, 2026.
View current Form ADV (SEC/IAPD) ↗