FENWAY SUMMER INVESTMENT MANAGEMENT LLC

CRD #174384 SEC #802-98350 WASHINGTON, DC 202-864-6229

State Registered Exempt Reporting Private Funds

Total AUM

Discretionary

Employees

Clients

Accounts

Firm Details

Organization Type: --
State of Formation: --
Fiscal Year End: --
Registration Date: --
Latest Filing: Feb 24, 2025
Branch Offices: 0

Advisory Services

No services reported

Compensation Methods

No compensation methods reported

Ownership

Direct Owners & Executive Officers (Schedule A)

Name	Type	Title / Status	Ownership	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR/CCO	NA	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR/CCO	NA	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR/CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR/CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR/CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR AND CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR AND CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR AND CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR AND CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR AND CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR AND CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR AND CCO, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
DATE, RAJEEV, V	I	MANAGING DIRECTOR, FS HOLDINGS MANAGER LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
LEFANOWICZ, MARK, EDWARD	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	NA	Control
SAADE, JAVIER, EDUARDO	I	MANAGING DIRECTOR, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	NA	Control
FENWAY SUMMER LLC	DE	MANAGING MEMBER	E	Control
FENWAY SUMMER LLC	DE	MANAGING MEMBER	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER INVESTMENT MANAGEMENT LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FS HOLDINGS MANAGER LLC	E	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FENWAY SUMMER LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
FS VENTURE CAPITAL LLC	DE	MEMBER, FENWAY SUMMER VENTURES GP LLC	C	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	B	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	B	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	B	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	B	Control
ACREE, ALEXANDER, GRIFFITHS	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	B	Control
ACREE, ALEXANDER, GRIFFITHS	I	MEMBER, FENWAY SUMMER VENTURES GP LLC	B
ACREE, ALEXANDER, GRIFFITHS	I	MEMBER, FENWAY SUMMER VENTURES GP LLC	B
ACREE, ALEXANDER, GRIFFITHS	I	MEMBER, FENWAY SUMMER VENTURES GP LLC	B
ACREE, ALEXANDER, GRIFFITHS	I	MEMBER, FENWAY SUMMER VENTURES GP LLC	B
ACREE, ALEXANDER, GRIFFITHS	I	MEMBER, FENWAY SUMMER VENTURES GP LLC	B
ACREE, ALEXANDER, GRIFFITHS	I	MEMBER, FENWAY SUMMER VENTURES GP LLC	B
ACREE, ALEXANDER, GRIFFITHS	I	MEMBER, FENWAY SUMMER VENTURES GP LLC	B
SAADE, JAVIER, EDUARDO	I	MANAGING DIRECTOR, FENWAY SUMMER VENTURES GP LLC	A	Control

Indirect Owners (Schedule B)

Name	Type	Entity	Ownership	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
DATE, RAJEEV, V	I	FENWAY SUMMER LLC	F	Control
DATE, RAJEEV, V	I	FS VENTURE CAPITAL LLC	F	Control
LEFANOWICZ, MARK, EDWARD	I	FS VENTURE CAPITAL LLC	C	Control
LEFANOWICZ, MARK, EDWARD	I	FS VENTURE CAPITAL LLC	C	Control
LEFANOWICZ, MARK, EDWARD	I	FS VENTURE CAPITAL LLC	C	Control
LEFANOWICZ, MARK, EDWARD	I	FS VENTURE CAPITAL LLC	C	Control
LEFANOWICZ, MARK, EDWARD	I	FS VENTURE CAPITAL LLC	C	Control

Registrations

Federal

ERA

Feb 24, 2025 REGISTERED

Address

900 16TH ST NW
SUITE 250
WASHINGTON, DC 20006
United States

Phone: 202-864-6229