Hedge fund profile
Sosin Master, LP
Sosin Master, LP is reported as a hedge fund in Form ADV private-fund disclosures. The adviser is Cas Investment Partners, LLC, based in Westport, Connecticut, United States.
$1.6Bgross assets
$1.0Mminimum
95owners
3(c)(1)exemption
Disclosure fields
Fund facts
SEC private fund ID805-2404068662
Reference ID57630
JurisdictionDelaware, United States
Fund of fundsNo
Master fundYes
Feeder fundNo
Non-US ownership3%
Assets valued100%
Annual auditYes
GAAPYes
Source periodMarch 2026
Date submitted03/31/2026 02:45:41 PM
Adviser
TypeRegistered investment adviser
SEC number801-111983
CRD170071
Regulatory AUM$2.4B
Compliance signals
Exempt from registration Sales limited Prime brokers reported Custodians reported
Service providers
Reported counterparties
General partners
Sosin, LLC
Auditors
SPICER JEFFRIES LLP
Prime brokers
BTIG, LLC
Custodians
PERSHING LLC
Administrators
PANOPTIC FUND ADMINISTRATION, LLC
Same adviser