Loon Lake Capital Master Fund LP

Loon Lake Capital Master Fund LP is reported as a hedge fund in Form ADV private-fund disclosures. The adviser is Loon Lake Capital Management LP, based in Boston, Massachusetts, United States.

General hedge fund $100M to $500M $1M to $5M minimum

$336.0Mgross assets

$1.0Mminimum

27owners

3(c)(7)exemption

Disclosure fields

Fund facts

SEC private fund ID805-8131885486

Reference ID535570

JurisdictionCayman Islands

Fund of fundsNo

Master fundYes

Feeder fundNo

Non-US ownership43%

Assets valued100%

Annual auditYes

GAAPYes

Source periodApril 2026

Date submitted04/30/2026 04:24:18 PM

Adviser

Loon Lake Capital Management LP

TypeRegistered investment adviser

SEC number801-135066

CRD339830

Regulatory AUM$336.0M

Compliance signals

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

Service providers

Reported counterparties

General partners

Loon Lake Gp LLC

Auditors

KPMGKPMG LLP

Prime brokers

BOFA SECURITIES, INC.MORGAN STANLEY & CO. LLCJ.P. MORGAN SECURITIES LLC

Custodians

BOFA SECURITIES, INC.MORGAN STANLEY & CO. LLCJ.P. MORGAN SECURITIES LLC

Administrators

STONE COAST FUND SERVICES LTD.STONE COAST FUND SERVICES LLC