Harbor Ithaka Wm, Llc
- Regulatory AUM
- $171M
- Discretionary
- $137M
- Clients
- 43
- Avg AUM / client
- $4.0M
- Accounts
- 70
- Employees
- 7
AUM over time
Annual snapshots from Form ADV filings · as of Mar 31, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| High net worth individuals | 33 | $64.0M | 37.4% |
| Pooled investment vehicles (non-investment companies) | 10 | $107M | 62.6% |
Private funds (8)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $84.9M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Harbor Ithaka Reserved Private Credit Strategies Sp feeder | Other Private Fund | British Virgin Islands | $22.0M | 28 |
| Harbor Ithaka Tactical Select Allocation Real Estate Sp feeder | Real Estate Fund | British Virgin Islands | $18.9M | 19 |
| Harbor Ithaka Life Settlements Multi Strategy Fund Sp feeder | Real Estate Fund | British Virgin Islands | $12.1M | 13 |
| Hi Private Credit Opportunities Fund feeder | Other Private Fund | British Virgin Islands | $10.3M | 19 |
| Hi Bk Family Sp feeder | Real Estate Fund | British Virgin Islands | $9.8M | 1 |
| Harbor Ithaka Real State Income Sp feeder | Real Estate Fund | British Virgin Islands | $8.5M | 10 |
| Harbor Ithaka Reserve Alternative Strategies Ii feeder | Other Private Fund | Delaware | $2.4M | 1 |
| Harbor Ithaka Diversified Real Estate Segregated Portfolio feeder | Real Estate Fund | British Virgin Islands | $834K | 5 |
People (3)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Alcantara Lansberg, Rafael, Alejandro | Managing Director & Cco | Aug 2014 (12y) | ≈ 42.19% – 100% via Lionfern Ventures Llc | |
| Javier Bartolome Minana | Registered representative | Jan 2024 (3y) | ||
| Carlos Alberto Machado | Registered representative | Jan 2025 (2y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Harbor Financial Holdings Llc | Owner | Aug 2014 | A | 75% or more |
| Lionfern Ventures Llc | Sole Member | Jan 2021 | B | ≈ 56.25% – 100% via Harbor Financial Holdings Llc |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Alcantara Lansberg, Rafael, Alejandro: 75% – 100% of Lionfern Ventures Llc × 75% – 100% of Harbor Financial Holdings Llc × 75% – 100% direct ≈ 42.19% – 100% of the firm
- Lionfern Ventures Llc: 75% – 100% of Harbor Financial Holdings Llc × 75% – 100% direct ≈ 56.25% – 100% 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 (8, $84.9M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Harbor Ithaka Reserved Private Credit Strategies Sp | Other Private Fund | $22.0M | $100K | 28 |
| Harbor Ithaka Tactical Select Allocation Real Estate Sp | Real Estate Fund | $18.9M | $100K | 19 |
| Harbor Ithaka Life Settlements Multi Strategy Fund Sp | Real Estate Fund | $12.1M | $100K | 13 |
| Hi Private Credit Opportunities Fund | Other Private Fund | $10.3M | $100K | 19 |
| Hi Bk Family Sp | Real Estate Fund | $9.8M | $100K | 1 |
| Harbor Ithaka Real State Income Sp | Real Estate Fund | $8.5M | $100K | 10 |
| Harbor Ithaka Reserve Alternative Strategies Ii | Other Private Fund | $2.4M | $100K | 1 |
| Harbor Ithaka Diversified Real Estate Segregated Portfolio | Real Estate Fund | $834K | $100K | 5 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 3.16 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
- • Fixed fees
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for pooled investment vehicles
- • Selection of other advisers
Custody
Reported custodians
- Bank Ozk $107M (63% of AUM) Mar 2026
- Morgan Stanley $34.0M (20% of AUM) Mar 2026
- Stonex Financial Inc. $22.5M (13% of AUM) Mar 2026
- UBS $20.8M (17% of AUM) Mar 2019
- Efg Bank Ag $16.8M (16% of AUM) Mar 2021
- J.P. Morgan $9.4M (6% of AUM) Mar 2024
- Charles Schwab & Co. $5.1M (3% of AUM) Mar 2024
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 31, 2026.
View current Form ADV (SEC/IAPD) ↗