Mariner Atlantic Multi-Strategy Master Fund, Ltd.

Mariner Atlantic Multi-Strategy Master Fund, Ltd. is reported as a hedge fund in Form ADV private-fund disclosures. The adviser is Mariner Investment Group, LLC, based in New York, New York, United States.

Multi-strategy Over $1B $5M+ minimum

$34.4Bgross assets

$5.0Mminimum

589owners

3(c)(7)exemption

Disclosure fields

Fund facts

SEC private fund ID805-4991304990

Reference ID32724

JurisdictionCayman Islands

Fund of fundsNo

Master fundYes

Feeder fundNo

Non-US ownership22%

Assets valued100%

Annual auditYes

GAAPYes

Source periodMarch 2026

Date submitted03/31/2026 05:54:17 PM

Adviser

Mariner Investment Group, LLC

TypeRegistered investment adviser

SEC number801-62016

CRD124744

Regulatory AUM$149.6B

Compliance signals

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

Service providers

Reported counterparties

General partners

Geoff RuddickPeter O'rourkeDavid Walker

Auditors

KPMG LLP

Prime brokers

BNY MELLON CAPITAL MARKETS, LLCJ.P. MORGAN SECURITIES LLCBNP PARIBAS SECURITIES CORP.SG AMERICAS SECURITIES, LLC

Custodians

BNY MELLON CAPITAL MARKETS, LLCSG AMERICAS SECURITIES, LLCBNP PARIBAS SECURITIES CORP.J.P. MORGAN SECURITIES LLC

Administrators

MUFG FUND SERVICES CAYMAN LIMITED

Marketers

VIGILANT DISTRIBUTORS, LLCPROFOR ADVISORSJ.P. MORGAN SECURITIES LLCSTIFEL, NICOLAUS & COMPANY, INCORPORATEDCT PARTNERS GROUP, LTD./HELFORD CAPITAL PARTNERSCITIGROUP GLOBAL MARKETS INC.

Same adviser