THE MASTER PORTFOLIO (B) LTD

LEI: 549300UQ4GFSCLUQ2P38

Entity

Legal Name

Legal Name Language Code

Legal Address

89 Nexus Way, Camana Bay George Town, Grand Cayman, KY1-9009 CAYMAN ISLANDS

Headquarters Address

600 ATLANTIC AVE 30TH FLOOR BOSTON, Massachusetts (US-MA), 02210 UNITED STATES

Legal Jurisdiction Country

CAYMAN ISLANDS (KY)

Registration Authority

Registration Authority ID

General Registry (RA000086)

Registration Authority Entity ID

224790

Entity Legal Form Code

company limited by shares (OSBR)

Entity Category

FUND

Entity Status

ACTIVE

Entity Creation Date

2009-04-01 22:00:00

Relationships

Direct Parent

Parent Information Not Provided

Non-Disclosure Reason 1

Reason

NON_CONSOLIDATING

Ultimate Parent

Parent Information Not Provided

Non-Disclosure Reason 1

Reason

NON_CONSOLIDATING

Managing Fund Parent

Parent LEI

549300E1ZIF6Q2I5FZ83

Relationship Periods

Relationship Period 1

Start Date

2009-04-01 22:00:00

Period Type

RELATIONSHIP_PERIOD

Relationship Period 2

Start Date

2024-09-09 22:00:00

Period Type

DOCUMENT_FILING_PERIOD

Relationship Status

ACTIVE

Relationship Registration

Initial Registration Date

2021-10-22 15:32:00

Last Update Date

2025-09-10 12:19:49

Registration Status

PUBLISHED

Validation Sources

ENTITY_SUPPLIED_ONLY

Validation Documents

SUPPORTING_DOCUMENTS

Registration

Initial Registration Date

2012-12-21 15:05:00

Last Update Date

2025-09-10 12:19:49

Next Renewal Date

2026-09-12 00:00:00

Registration Status

ISSUED

Managing LOU

39120001KULK7200U106

Validation Sources

FULLY_CORROBORATED

Validation Authority

Validation Authority ID

Cayman Islands Monetary Authority (RA000087)

Validation Authority Entity ID

224790