Hedge fund profile
667, L.P.
667, L.P. is reported as a hedge fund in Form ADV private-fund disclosures. The adviser is Baker Brothers Investments, based in New York, New York, United States.
$2.3Bgross assets
$40.0Mminimum
13owners
3(c)(7)exemption
Disclosure fields
Fund facts
SEC private fund ID805-7902319250
Reference ID5502
JurisdictionDelaware, United States
Fund of fundsNo
Master fundNo
Feeder fundNo
Non-US ownership0%
Assets valued98%
Annual auditYes
GAAPYes
Source periodMarch 2026
Date submitted03/27/2026 12:18:13 PM
Adviser
TypeRegistered investment adviser
SEC number801-73446
CRD158149
Regulatory AUM$28.1B
Compliance signals
Registration exemption not marked Sales limitation not marked Prime brokers reported Custodians reported
Service providers
Reported counterparties
General partners
Baker Biotech Capital, L.P.
Auditors
ERNST & YOUNG LLP
Prime brokers
GOLDMAN SACHS & CO. LLCJ.P. MORGAN SECURITIES LLC
Custodians
GOLDMAN SACHS & CO. LLCJ.P. MORGAN SECURITIES LLCTHE BANK OF NEW YORK MELLONTHE NORTHERN TRUST COMPANYJPMORGAN CHASE BANK N.A.
Administrators
SS&C FINANCIAL SERVICES LLC
Same adviser