5P
503 Partners, Llc
SEC-registered
Investment Adviser
CRD 283349
· SEC file 802-107547
· Portland, OR
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ADV data as of Mar 13, 2026
- Regulatory AUM
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- Discretionary
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- Clients
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- Avg AUM / client
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- Accounts
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- Employees
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Private funds (9)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $72.0M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Zero Mass Water Investors, Llc | Venture Capital Fund | Delaware | $36.4M | 84 |
| Artms Investors, Llc | Venture Capital Fund | Delaware | $8.2M | 22 |
| 503 Wws Investors, Llc | Venture Capital Fund | Delaware | $6.0M | 3 |
| 503 Kaleidoscope Investors, Llc | Venture Capital Fund | Delaware | $5.5M | 25 |
| Smart Wires Investors Ii, Llc | Venture Capital Fund | Delaware | $5.2M | 45 |
| Smart Wires Investors, Llc | Venture Capital Fund | Delaware | $4.7M | 95 |
| 503 Aaf Holdings, Llc | Venture Capital Fund | Delaware | $4.3M | 1 |
| Rubicon Global Investors, Llc | Venture Capital Fund | Delaware | $1.6M | 52 |
| Vapotherm Investors, Llc | Venture Capital Fund | Delaware | $89.9K | 94 |
Private funds (9, $72.0M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Zero Mass Water Investors, Llc | Venture Capital Fund | $36.4M | $0 | 84 |
| Artms Investors, Llc | Venture Capital Fund | $8.2M | $25.0K | 22 |
| 503 Wws Investors, Llc | Venture Capital Fund | $6.0M | $25.0K | 3 |
| 503 Kaleidoscope Investors, Llc | Venture Capital Fund | $5.5M | $25.0K | 25 |
| Smart Wires Investors Ii, Llc | Venture Capital Fund | $5.2M | $0 | 45 |
| Smart Wires Investors, Llc | Venture Capital Fund | $4.7M | $0 | 95 |
| 503 Aaf Holdings, Llc | Venture Capital Fund | $4.3M | $0 | 1 |
| Rubicon Global Investors, Llc | Venture Capital Fund | $1.6M | $0 | 52 |
| Vapotherm Investors, Llc | Venture Capital Fund | $89.9K | $0 | 94 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/13/2026 | 1.35 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
Not reported.
Custody
Firm reports it does not have 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: Mar 13, 2026.
View current Form ADV (SEC/IAPD) ↗