221B Master Fund LP

254900UJX4F5LYZG8Y61

The entity

Status: Active
LEI status: Issued and current
Category: Fund
Legal form: 8888
Jurisdiction: Cayman Islands
Entity created: December 6, 2023

Address

Country: Cayman Islands
Legal address: C/O Maples Corporate Services Limited, PO Box 309, Ugland House, Grand CaymanKY1-1104 George TownCayman Islands
Head office: C/O 221B Capital Management LLC, 41 Austin Place10510 Briarcliff ManorUnited States (US-NY)

Identifier

LEI: 254900UJX4F5LYZG8Y61
Registered: December 20, 2023 at 05:28 PM UTC
Last updated: November 11, 2025 at 05:07 PM UTC
Next renewal: November 20, 2026 at 05:28 PM UTC
Issuer: Bloomberg (5493001KJTIIGC8Y1R12)
Registered with: Registry of Companies (RA000086)
Identifier: MC-125250
Verified against: Registry of Companies (RA000086)
Verified as: MC-125250
Corroboration: Confirmed against a public register
GLEIF conformity: Meets the standard

Corporate structure

Owned by

221B Capital Management LLC
Fund managerUnited States254900G0H3ZGV9EOI245

Why no parent is reported

No direct parent reportedNo ultimate parent reported: No parent prepares consolidated accounts including it

Machine access

REST: https://lei.online/v1/entities/254900UJX4F5LYZG8Y61This record as JSON.
MCP: https://lei.online/mcpThe same data as an MCP tool.

Start a new search