Investor Granahan Investment Management Inc/ma
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Granahan Investment Management Inc/ma . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Add This Fund
to your dashboard

Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2025-06-11 13G/A INDI / indie Semiconductor, Inc. 17,809,484 19,584,388
2025-01-08 13G/A PRCH / Porch Group, Inc. 9,993,765 11,891,581
2024-11-14 13G/A GENI / Genius Sports Limited 13,578,412 7,898,939
2024-11-14 13G/A CTSO / Cytosorbents Corporation 3,618,143 2,094,882
2024-11-14 13G/A CSTL / Castle Biosciences, Inc. 2,166,471 425,220
2024-11-14 13G/A INDI / indie Semiconductor, Inc. 19,379,926 17,809,484
2024-11-14 13G/A LOVE / The Lovesac Company 1,426,533 476,858
2024-11-14 13G/A BLUE / bluebird bio, Inc. 8,077,697 0
2024-11-14 13G/A EVER / EverQuote, Inc. 1,491,009 718,407
2024-11-14 13G/A MASS / 908 Devices Inc. 2,038,658 861,433
2024-11-14 13G/A BMRA / Biomerica, Inc. 1,082,672 527,461
2024-11-14 13G/A PRCH / Porch Group, Inc. 11,890,749 9,993,765
2024-04-11 13G/A INDI / indie Semiconductor, Inc. 13,194,588 19,379,926
2024-02-14 13G/A LOVE / The Lovesac Company 1,299,851 1,426,533
2024-02-14 13G/A ICAD / iCAD, Inc. 1,510,981 426,409
2024-02-14 13G/A MGNI / Magnite, Inc. 10,419,013 6,726,268
2024-02-14 13G GENI / Genius Sports Limited 13,578,412
2024-02-14 13G BLUE / bluebird bio, Inc. 8,077,697
2024-02-14 13G/A INDI / indie Semiconductor, Inc. 7,290,449 13,194,588
2024-02-14 13G/A KRNT / Kornit Digital Ltd. 3,514,473 2,233,550
2024-02-14 13G MASS / 908 Devices Inc. 2,038,658
2024-02-14 13G CSTL / Castle Biosciences, Inc. 2,166,471
2024-02-14 13G/A EVER / EverQuote, Inc. 1,641,293 1,491,009
2024-02-14 13G/A PRCH / Porch Group, Inc. 13,295,572 11,890,749
2024-02-14 13G/A LQDT / Liquidity Services, Inc. 2,128,347 317,599
2024-02-14 13G CTSO / Cytosorbents Corporation 3,618,143
2024-02-14 13G/A BMRA / Biomerica, Inc. 1,122,701 1,082,672
2023-12-07 13G/A AIRG / Airgain, Inc. 690,274 0
2023-10-18 13G/A CSSEQ / Chicken Soup for the Soul Entertainment, Inc. 1,379,179 0
2023-07-24 13G/A ICAD / iCAD, Inc. 2,849,124 1,510,981
2023-02-14 13G/A LQDT / Liquidity Services, Inc. 1,863,728 2,128,347
2023-02-14 13G/A SSTI / SoundThinking, Inc. 640,816 552,625
2023-02-14 13G/A PRCH / Porch Group, Inc. 9,998,058 13,295,572
2023-02-14 13G/A ICAD / iCAD, Inc. 2,578,670 2,849,124
2023-02-14 13G/A EVH / Evolent Health, Inc. 4,998,680 3,155,211
2023-02-14 13G/A CSSE / Chicken Soup for the Soul Entertainment, Inc. 1,005,193 1,379,179
2023-02-14 13G/A MGNI / Magnite, Inc. 8,482,357 10,419,013
2023-02-14 13G KRNT / Kornit Digital Ltd. 1,225,196 3,514,473
2023-02-14 13G/A EVER / EverQuote, Inc. 1,619,322 1,641,293
2023-02-14 13G/A BMRA / Biomerica, Inc. 1,102,573 1,122,701
2023-02-14 13G LOVE / The Lovesac Company 712,403 1,299,851
2023-02-14 13G INDI / indie Semiconductor, Inc. 7,290,449
2023-02-14 13G AIRG / Airgain, Inc. 690,274
2022-11-02 13G/A ICAD / iCAD, Inc. 2,382,896 2,578,670
2022-07-11 13G PRCH / Porch Group, Inc. 3,841,220 9,998,058
2022-02-14 13G/A US15725Q1040 / CF Finance Acquisition Corp II 2,862,310 0
2022-02-14 13G/A CSSE / Chicken Soup for the Soul Entertainment, Inc. 634,788 1,005,193
2022-02-14 13G SSTI / SoundThinking, Inc. 616,410 640,816
2022-02-14 13G ICAD / iCAD, Inc. 2,382,896
2022-02-14 13G/A LOVE / The Lovesac Company 923,886 712,403
2022-02-14 13G/A OSW / OneSpaWorld Holdings Limited 4,310,537 2,978,807
2022-02-14 13G LQDT / Liquidity Services, Inc. 1,863,728
2022-02-14 13G/A ALTG / Alta Equipment Group Inc. 1,552,518 1,453,547
2022-02-14 13G/A VCTR / Victory Capital Holdings, Inc. 1,130,145 879,608
2022-02-14 13G MGNI / Magnite, Inc. 8,482,357
2022-02-14 13G/A NLS / Nautilus Inc 3,597,568 0
2022-02-14 13G BMRA / Biomerica, Inc. 1,102,573
2022-02-14 13G EVH / Evolent Health, Inc. 4,998,680
2022-02-14 13G EVER / EverQuote, Inc. 1,619,322
2022-02-14 13G/A CRCT / Cricut, Inc. 2,445,131 1,779,127
2021-05-11 13G/A / DMY Technology Group, Inc. II 0
2021-04-07 13G CSSE / Chicken Soup for the Soul Entertainment, Inc. 634,788
2021-04-07 13G NLS / Nautilus Inc 3,597,568
2021-04-07 13G CRCT / Cricut, Inc. 2,445,131
2021-01-21 13G/A VCTR / Victory Capital Holdings, Inc. 734,893 1,130,145
2021-01-21 13G US15725Q1040 / CF Finance Acquisition Corp II 2,862,310
2021-01-21 13G/A RMBL / RumbleOn, Inc. 2,077,530 40,877
2021-01-21 13G LOVE / The Lovesac Company 923,886
2021-01-21 13G SSTI / SoundThinking, Inc. 616,410
2021-01-21 13G OSW / OneSpaWorld Holdings Limited 4,310,537
2021-01-21 13G ALTG / Alta Equipment Group Inc. 1,552,518
2021-01-21 13G/A PRCH / Porch Group, Inc. 2,974,444 3,841,220
2021-01-11 13G / dMY Technology Group, Inc. II Units, each consisting of one share of Class A common stock and one-th 3,436,892
2020-10-07 13G PRCH / Porch Group, Inc. 2,974,444
2020-02-12 13G/A LLNW / Limelight Networks Inc 7,836,723 3,560,868
2020-02-12 13G/A HDSN / Hudson Technologies, Inc. 2,157,986 174,339
2020-02-12 13G RMBL / RumbleOn, Inc. 2,077,530
2020-02-12 13G/A KRNT / Kornit Digital Ltd. 1,801,252 1,225,196
2020-02-12 13G/A VCTR / Victory Capital Holdings, Inc. 789,003 734,893
2019-02-12 13G/A AMBR / Amber International Holding Limited - Depositary Receipt (Common Stock) 1,652,152 669,325
2019-02-12 13G HDSN / Hudson Technologies, Inc. 2,157,986
2019-02-12 13G/A KRNT / Kornit Digital Ltd. 2,331,724 1,801,252
2019-02-12 13G VCTR / Victory Capital Holdings, Inc. 789,003
2019-02-12 13G LLNW / Limelight Networks Inc 7,836,723
2018-02-12 13G/A / Kona Grill Inc 571,951 0
2018-02-12 13G/A SFE / Safeguard Scientifics, Inc. 1,032,524 415,215
2018-02-12 13G/A PI / Impinj, Inc. 1,058,658 237,364
2018-02-12 13G AMBR / Amber International Holding Limited - Depositary Receipt (Common Stock) 1,652,152
2018-02-12 13G KRNT / Kornit Digital Ltd. 2,331,724
2017-02-13 13G PI / Impinj, Inc. 1,058,658
2017-02-13 13G/A TURN / 180 Degree Capital Corp. 1,933,936 259,437
2017-02-13 13G/A ENSV / Enservco Corporation 2,137,587 1,972,817
2017-02-13 13G SFE / Safeguard Scientifics, Inc. 1,032,524
2017-02-13 13G/A MB / MasterBeef Group 562,720 533,369
2017-02-13 13G/A / Kona Grill Inc 571,611 571,951
2017-02-13 13G/A PSIX / Power Solutions International, Inc. 550,937 1,800
2016-02-10 13G/A LPSN / LivePerson, Inc. 2,521,124
2016-02-10 13G/A HBIO / Harvard Bioscience, Inc. 1,413,215
2016-02-10 13G PSIX / Power Solutions International, Inc. 550,937
2016-02-10 13G/A CUTR / Cutera, Inc. 324,783
2016-02-10 13G / Kona Grill Inc 571,611
2016-02-10 13G/A CROX / Crocs, Inc. 309,948
2016-02-10 13G MB / MasterBeef Group 562,720
2016-02-10 13G/A ENSV / Enservco Corporation 2,137,587
2016-02-10 13G/A TURN / 180 Degree Capital Corp. 1,933,936
2015-02-12 13G/A LMAT / LeMaitre Vascular, Inc. 714,142
2015-02-12 13G LPSN / LivePerson, Inc. 3,669,100
2015-02-12 13G CUTR / Cutera, Inc. 740,877
2015-02-12 13G/A HBIO / Harvard Bioscience, Inc. 1,642,276
2015-02-12 13G/A SOHO / Sotherly Hotels Inc. 523,210
2015-02-12 13G/A TURN / 180 Degree Capital Corp. 1,971,646
2015-02-12 13G CROX / Crocs, Inc. 4,224,100
2015-02-12 13G ENSV / Enservco Corporation 2,240,681
2014-02-14 13G ATMI / Atmi Inc 1,892,975
2014-02-14 13G HBIO / Harvard Bioscience, Inc. 1,723,960
2014-02-14 13G LMAT / LeMaitre Vascular, Inc. 786,415
2014-02-14 13G SOHO / Sotherly Hotels Inc. 543,080
2014-02-14 13G/A CECE / Ceco Environmental Corp. 853,816
2014-02-14 13G TURN / 180 Degree Capital Corp. 2,008,636
2013-02-13 13G CECE / Ceco Environmental Corp. 888,220