Granahan Investment Management LLC

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Granahan Investment Management LLC
CRD #107745
SEC #801-23705
CIK #0001026710
AUM 2,363.0 M (2026-03-26)
Employees 20 (40% Investors, 0% Brokers)
Phone781-890-4412
Address404 Wyman Street, Suite 460
Waltham, MA 02451
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($B)
5.04.03.02.01.00.01999200820172027
Sector Form 13F Holdings Value ($B)
Carpenter Technology Corp 0.1
Proptech Acquisition Corp 0.1
Fortress Transportation & Infrastructure Investors LLC 0.1
Modine Manufacturing Co 0.1
Victory Capital Holdings Inc 0.1
Indie Semiconductor Inc 0.1
Forgent Power Solutions Inc 0.1
Marex Group PLC 0.1
Nextracker Inc 0.1
KURA Sushi USA Inc 0.0
View All
Holdings by Sector ($B)
6.04.83.62.41.20.02011201620212027
Type Form D Funds Date Sold AUM
Other GIM Small Cap Discoveries LLC [2012-04-02] 1.1 M 1.8 M
Offered $30,000,000 · Filed 2013-04-11 (D/A) · Exemption 506 · Remaining $28,913,000 · Duration More than one year · Revenue Decline to Disclose
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 43 0.1
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 3 0.5
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 3 0.8
(g) Pension and profit sharing plans 2 0.1
(h) Charitable organizations 9 0.3
(i) State or municipal government entities 3 0.3
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 11 0.2
(n) Other 0 0.0
Total 74 2.4
By Discretionary
Discretionary 74 2.4
Non-Discretionary 0 0.0
Total 74 2.4
By Non-United States Persons
Non-United States Persons 1.2
United States Persons 1.2
Total 74 2.4
Form D Directors Role # Filings # Firms 2011 - 2026
Brian Granahan Executive Officer 1 1
EDGAR Form CIK 2011 - 2026
13F-HR [0001026710]
SC 13G [0001026710]
Form 13D/13G Filer Form 13D/13G Subject Filed
Granahan Investment Management LLC Kornit Digital Ltd [2026-02-17]
Granahan Investment Management LLC KURA Sushi USA Inc [2025-11-14]
Granahan Investment Management LLC Digital Turbine Inc [2025-11-14]
Granahan Investment Management LLC Bluebird Bio Inc [2024-02-14]
Granahan Investment Management LLC 908 Devices Inc [2024-02-14]
Granahan Investment Management LLC Cytosorbents Corp [2024-02-14]
Granahan Investment Management LLC Castle Biosciences Inc [2024-02-14]
Granahan Investment Management LLC Genius Sports Ltd [2024-02-14]
Granahan Investment Management LLC Indie Semiconductor Inc [2023-02-14]
Granahan Investment Management LLC Airgain Inc [2023-02-14]
View All
Firm Profile (Form ADV)
Discretionary AUM$2.3B
Clients1 (15 non-US)
ServesInstitutional, Retail
LEI549300YQRFF9XBLWGF31
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