# FOURTH SAIL CAPITAL US LP

FOURTH SAIL CAPITAL US LP of BOCA RATON, FL is an SEC-registered investment adviser.

## Registration

- CRD: 332445
- Type: SEC-registered investment adviser
- SEC file number: 801-130914
- Location: 5355 TOWN CENTER ROAD, SUITE 550, BOCA RATON, FL, 33486
- Phone: 646-355-2764
- Latest filing: 2026-03-27
- Regulatory AUM: $3.7B
- Discretionary AUM: $3.7B
- Clients: 3
- Accounts: 7

## Business model

- Compensation: % of AUM, Performance
- Clients served: Investment cos

## Officers, owners & control persons (4)

| Name | Role | Location |
| --- | --- | --- |
| [Thiago Doria](https://search.stillhousedata.com/person/334153) | CCO, CFO | George Town - Grand Cayman, E9 |
| [Ariel Natan Merenstein](https://search.stillhousedata.com/person/683874) | CEO, LIMITED PARTNER; INDIRECT OWNER | — |
| [MERENSTEIN ARIEL NATAN](https://search.stillhousedata.com/person/816275) | CEO, LIMITED PARTNER; INDIRECT OWNER | — |
| [DORIA THIAGO](https://search.stillhousedata.com/person/881631) | CCO, CFO | — |


## Private funds (3)

Mix: Hedge Fund 2 · Other Private Fund 1

| Fund | Type | Formed | Owners | GAV | Min investment |
| --- | --- | --- | --- | --- | --- |
| FOURTH SAIL LONG SHORT LLC | Hedge Fund | Delaware | 38 | $3.4B | $1.0M |
| FOURTH SAIL DISCOVERY LLC | Hedge Fund | Delaware | 9 | $232.1M | $5.0M |
| FSC SP-01 LP | Other Private Fund | Canada | 38 | $45.4M | — |


## Fund service providers (1)

- administrator: MUFG FUND SERVICES LIMITED — 3 funds

## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/332445/brochure
- Similar advisers: https://search.stillhousedata.com/firm/332445/similar
- Related entities: https://search.stillhousedata.com/firm/332445/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/332445

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.