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GRANAHAN INVESTMENT MANAGEMENT LLC

CRD 107745File 801-23705
APPROVED
Retail clients
Filing as of Mar 26, 2026
Feed vintage Aug 17, 2026
Regulatory AUM
$2.36B
Top 25% of cohort (national)
Discretionary AUM
$2.36B
Clients
74
74 accounts
Employees
20
Above cohort median in MA

Identity & registration

ADV Item 1
Organization form
Limited Liability Company
Firm type
Registered
SEC region
BRO
Registration date
Mar 18, 1985
Principal office
404 WYMAN STREET, SUITE 460, WALTHAM, MA, 02451
Phone
781-890-4412

Assets & accounts

ADV Item 5F
Total regulatory AUM
$2.36B
Discretionary AUM
$2.36B
Non-discretionary AUM
$0
Discretionary accounts
74
Non-discretionary accounts
0
Total accounts
74
AUM per client
$31.9M

Clients by type

ADV Item 5D
Client typeClientsAUM
Other11$235.4M
Investment companies3$533.4M
Charitable organizations9$294.7M
High net worth individuals43$84.3M
Pooled investment vehicles3$841.4M
Pension and profit sharing plansFewer than 5$58.5M
State or municipal government entitiesFewer than 5$315.3M

Compensation & activities

ADV Items 5E, 5G

Compensation

  • Performance-based fees
  • A percentage of assets under your management

Advisory activities

  • Portfolio management for businesses
  • Portfolio management for investment companies
  • Portfolio management for pooled investment vehicles
  • Portfolio management for individuals and/or small businesses

Custody

ADV Item 9
Firm Custody Cash
No
Firm Custody Assets
No
Firm Custody Clients
No
Firm Custody Securities
No
Related Person Custody Cash
No
Related Person Custody Assets
No
Related Person Custody Clients
No
Related Person Custody Securities
No

Disclosure events

ADV Item 11

This firm answered no to every Item 11 disclosure question in this filing.

Filed changes

DateFieldFromTo
Aug 12, 2026RegistrationAPPROVED

Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.