Hedge fund profile

Westbourne River Event Master Fund

Westbourne River Event Master Fund is reported as a hedge fund in Form ADV private-fund disclosures. The adviser is Tetragon Partners L.P., based in New York, New York, United States.

$560.5Mgross assets
$1.0Mminimum
24owners
3(c)(7)exemption

Disclosure fields

Fund facts

SEC private fund ID805-3465146732
Reference ID6736
JurisdictionCayman Islands
Fund of fundsNo
Master fundYes
Feeder fundNo
Non-US ownership100%
Assets valued98%
Annual auditYes
GAAPYes
Source periodMarch 2026
Date submitted03/26/2026 12:49:24 PM

Adviser

Tetragon Partners L.P.

TypeRegistered investment adviser
SEC number801-74150
CRD156040
Regulatory AUM$12.9B

Compliance signals

Exempt from registration Sales limitation not marked Prime brokers reported Custodians reported

Service providers

Reported counterparties

General partners

Westbourne River Partners L.P.

Auditors

KPMG

Prime brokers

UBS AGMERRILL LYNCH INTERNATIONALJ.P. MORGAN SECURITIES PLC

Custodians

THE NORTHERN TRUST INTERNATIONAL BANKING CORPORATIONUBS AGMERRILL LYNCH INTERNATIONALJ.P. MORGAN SECURITIES PLC

Administrators

SS&C FINANCIAL SERVIES LLCSS&C FUND SERICES (CAYMAN) LTD.

Same adviser

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