Portolan Capital Management LLC

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Portolan Capital Management LLC
CRD #157542
SEC #801-73963
CIK #0001350290
AUM $1.6 B (2025-03-31)
Employees 12 (33% Investors, 0% Brokers)
Phone617-753-6400
AddressTwo International Place
Boston, MA 02110
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($M)
1600128096064032002004201120182026
Sector Form 13F Holdings Value ($M)
Celestica Inc 85.8
Kratos Defense & Security Solutions Inc 61.7
elf Beauty Inc 58.1
Aerovironment Inc 51.0
Modine Manufacturing Co 48.5
TTM Technologies Inc 45.9
Shift4 Payments Inc 43.1
Genius Sports Ltd 42.5
Powell Industries Inc 35.9
Colony NorthStar Inc 31.9
View All
Holdings by Sector ($M)
1600128096064032002012201620212026
Type Form D Funds Date Sold ($M) AUM ($M)
HF Portolan Co-Investment Fund LP [2025-03-31] 0.0 0.0
HF Portolan Select Fund LP [2020-03-30] 136.2 167.4
HF Portolan Equity Offshore Fund Ltd [2014-03-31] 448.2 70.0
HF Portolan Equity Fund LP [2012-05-18] 448.2 177.2
HF Portolan Pilot Fund LP 2012-02-14 59.5
HF Portolan Pilot Master Fund Ltd 2012-02-14 65.0
HF Portolan Pilot Offshore Fund Ltd 2012-02-14 63.3
AUM Breakdown Accounts AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 16 197.4
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 1 838.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 4 463.3
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 83.4
(i) State or municipal government entities 0 0.0
(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 0 0.0
(n) Other 0 0.0
Total 22 1,582.0
By Discretionary
Discretionary 22 1,582.0
Non-Discretionary 0 0.0
Total 22 1,582.0
By Non-United States Persons
Non-United States Persons 118.7
United States Persons 1,463.3
Total 22 1,582.0
Form D Directors # Filings # Firms 2011 - 2025
George McCabe 8
Christopher Nardone 6
Portolan Capital Management LLC 5
Betsy Flaherty 4
Portolan Investments LLC 4
Promoter Portolan Capital Management LLC 3
Investment Manager Portolan Capital Management LLC 3
General Partner Portolan Investments LLC 2
EDGAR Form CIK 2011 - 2025
13F-HR [0001350290]
SC 13G [0001350290]
Form 13D/13G Filer Form 13D/13G Subject Filed
Portolan Capital Management LLC Potbelly Corp [2025-06-27]
Portolan Capital Management LLC Castle Biosciences Inc [2025-04-14]
Portolan Capital Management LLC Mama's Creations Inc [2025-04-11]
Portolan Capital Management LLC Vishay Precision Group Inc [2025-02-06]
Portolan Capital Management LLC Sportsman's Warehouse Holdings Inc [2024-11-06]
Portolan Capital Management LLC Orion Group Holdings Inc [2024-07-22]
Portolan Capital Management LLC Quanterix Corp [2024-06-27]
Portolan Capital Management LLC Identiv Inc [2024-03-14]
Portolan Capital Management LLC GEN Restaurant Group Inc [2023-12-18]
Portolan Capital Management LLC Honest Company Inc [2023-04-13]
Portolan Capital Management LLC Emcore Corp [2023-03-24]
Portolan Capital Management LLC Bel Fuse Inc /NJ [2023-03-10]
Portolan Capital Management LLC KURA Sushi USA Inc [2023-01-20]
Portolan Capital Management LLC Porch Group Inc [2022-12-05]
Portolan Capital Management LLC Richardson Electronics Ltd [2022-08-15]
Portolan Capital Management LLC Lantronix Inc [2022-05-27]
Portolan Capital Management LLC Applied Genetic Technologies Corp [2022-02-15]
Portolan Capital Management LLC Alta Equipment Group Inc [2022-02-04]
Portolan Capital Management LLC Inotiv Inc [2021-10-21]
Portolan Capital Management LLC Harvard Bioscience Inc [2021-09-03]
Portolan Capital Management LLC BlueLinx Holdings Inc [2021-07-09]
Portolan Capital Management LLC Waitr Holdings Inc [2021-07-09]
Portolan Capital Management LLC QUMU Corp [2021-06-11]
Portolan Capital Management LLC Full House Resorts Inc [2021-05-10]
Portolan Capital Management LLC Identiv Inc [2021-04-19]
Portolan Capital Management LLC Destination XL Group Inc [2021-02-08]
Portolan Capital Management LLC TravelCenters of America Inc /MD/ [2021-02-05]
Portolan Capital Management LLC YRC Worldwide Inc [2021-01-29]
Portolan Capital Management LLC BM Technologies Inc [2021-01-15]
Portolan Capital Management LLC Aemetis Inc [2020-12-31]
Portolan Capital Management LLC Recro Pharma Inc [2020-12-31]
Portolan Capital Management LLC ICAD Inc [2020-12-28]
Portolan Capital Management LLC Applied Genetic Technologies Corp [2020-09-28]
Portolan Capital Management LLC PFSweb Inc [2020-09-18]
Portolan Capital Management LLC Proptech Acquisition Corp [2020-09-14]
Portolan Capital Management LLC Charah Solutions Inc [2020-07-20]
Portolan Capital Management LLC Upland Software Inc [2019-10-21]
Portolan Capital Management LLC elf Beauty Inc [2019-05-01]
Portolan Capital Management LLC HyreCar Inc [2019-03-14]
Portolan Capital Management LLC Bandwidth Inc [2018-06-27]
Portolan Capital Management LLC on Deck Capital Inc [2018-06-22]
Portolan Capital Management LLC Carbonite Inc [2018-04-16]
Portolan Capital Management LLC Quantum Corp /DE/ [2018-02-02]
Portolan Capital Management LLC Internap Corp [2018-01-05]
Portolan Capital Management LLC Emcore Corp [2017-08-17]
Portolan Capital Management LLC USA Truck Inc [2017-07-07]
Portolan Capital Management LLC US Auto Parts Network Inc [2017-06-01]
Portolan Capital Management LLC Carecom Inc [2017-05-11]
Portolan Capital Management LLC Apptio Inc [2017-04-13]
Portolan Capital Management LLC inContact Inc [2015-08-17]
Portolan Capital Management LLC Covisint Corp [2015-05-08]
Portolan Capital Management LLC Datawatch Corp [2015-01-13]
Portolan Capital Management LLC Casella Waste Systems Inc [2014-10-20]
Portolan Capital Management LLC Zale Corp [2014-02-13]
Portolan Capital Management LLC Zale Corp [2013-04-05]
Portolan Capital Management LLC Zale Corp [2013-02-01]
Portolan Capital Management LLC Zale Corp [2012-03-13]
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