Portolan Capital Management, LLC

13F Filings History

Latest 13F report
Q4 2024 - Feb 13, 2025
Value $
$1.49B
Signature - Title
Betsy Flaherty - Chief Compliance Officer
Location
Boston, MA
Summary
This page shows a list of all the recent 13F filings made by Portolan Capital Management, LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Portolan Capital Management, LLC reported 131 stock holdings with total value $1.49B as of Q4 2024. Top holdings included LNTH, CLS, SMTC, MOD, and HNST.
Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Date Filed
Q4 2024 131 $1.49B +$550M -$551M -$605K LNTH, CLS, SMTC, MOD, HNST 13F-HR 2/13/2025, 04:42 PM
Q3 2024 129 $1.38B +$435M -$367M +$67.8M LNTH, ZETA, KTOS, TLN, CLS 13F-HR 11/14/2024, 01:01 PM
Q2 2024 117 $1.21B +$321M -$398M -$77.4M LNTH, CLS, SMCI, ZETA, KTOS 13F-HR 8/14/2024, 04:21 PM
Q1 2024 114 $1.3B +$405M -$560M -$154M SMCI, CLS, LNTH, ELF, BIO 13F-HR 5/15/2024, 01:45 PM
Q4 2023 126 $1.13B +$374M -$400M -$26.5M SMCI, ELF, CLS, MOD, QTRX 13F-HR 2/14/2024, 01:12 PM
Q3 2023 147 $1.07B +$309M -$310M -$1.39M SMCI, QTRX, ELF, CLS, LNTH 13F-HR 11/14/2023, 01:05 PM
Q2 2023 175 $1.13B +$391M -$464M -$72.6M SMCI, KRUS, ELF, TGLS, SGH 13F-HR 8/14/2023, 01:29 PM
Q1 2023 139 $1.05B +$379M -$261M +$117M SMCI, ELF, KRUS, TGLS, BIO 13F-HR 5/15/2023, 04:05 PM
Q4 2022 131 $1.01B +$371M -$178M +$193M CROX, ELF, BIO, TGLS, IMXI 13F-HR 2/13/2023, 03:43 PM
Q3 2022 128 $946M +$308M -$186M +$121M TA, ELF, LRN, CROX, INVE 13F-HR 11/14/2022, 02:17 PM
Q2 2022 123 $993M +$455M -$170M +$285M ELF, DOMO, AVID, INVE, VTLE 13F-HR 8/15/2022, 02:57 PM
Q1 2022 135 $1.24B +$526M -$297M +$229M DOMO, BAND, INVE, VST, APPS 13F-HR 5/16/2022, 02:46 PM
Q4 2021 131 $1.49B +$382M -$248M +$134M INVE, BXC, CUBI, ELF, TGLS 13F-HR 2/14/2022, 01:39 PM
Q3 2021 134 $1.37B +$277M -$246M +$30.7M CROX, TA, DOMO, TGLS, ELF 13F-HR 11/15/2021, 02:35 PM
Q2 2021 131 $1.39B +$386M -$383M +$2.62M GPRE, MGI, DOMO, STKL, ELF 13F-HR 8/16/2021, 03:23 PM
Q1 2021 151 $1.27B +$354M -$396M -$42.2M BW, CAI, STKL, ELF, DSKE 13F-HR 5/17/2021, 02:51 PM
Q4 2020 164 $1.1B +$443M -$234M +$209M STKL, ELF, QNST, AMZN, ENVA 13F-HR 2/16/2021, 01:18 PM
Q3 2020 139 $884M +$293M -$245M +$47.7M LPRO, QNST, AMZN, BAND, STKL 13F-HR 11/16/2020, 01:02 PM
Q2 2020 128 $876M +$344M -$276M +$68.7M BAND, LRNXXXX, UPLD, AMZN, EVBG 13F-HR 8/14/2020, 03:03 PM
Q1 2020 112 $667M +$322M -$132M +$190M UPLD, BAND, BIO, AKAM, LPSN 13F-HR 5/14/2020, 11:37 AM
Q4 2019 95 $990M +$230M -$146M +$83.4M LPSN, CROX, ELF, UPLD, AANXXXX 13F-HR 2/14/2020, 10:06 AM
Q3 2019 87 $887M +$224M -$161M +$62.6M UPLD, LPSN, ELF, AANXXXX, MPC 13F-HR 11/14/2019, 01:01 PM
Q2 2019 88 $930M +$193M -$180M +$12.3M BAND, UPLD, ELF, EEFT, AANXXXX 13F-HR 8/14/2019, 02:13 PM
Q1 2019 87 $972M +$339M -$171M +$168M BAND, UPLD, AANXXXX, EEFT, BIO 13F-HR 5/15/2019, 02:18 PM
Q4 2018 82 $807M +$244M -$103M +$140M CARB, CRCM, SLM, NTNX, BAND 13F-HR 2/13/2019, 03:38 PM
Q3 2018 96 $1.01B +$171M -$108M +$62.4M CARB, UIS, CRCM, HDP, AANXXXX 13F-HR 11/14/2018, 07:32 AM
Q2 2018 99 $979M +$230M -$158M +$72.8M CARB, CRCM, AANXXXX, HDP, ONDK 13F-HR 8/14/2018, 03:40 PM
Q1 2018 100 $913M +$195M -$106M +$89.6M CARB, WIFI, NTNX, CRCM, SLM 13F-HR 5/14/2018, 04:10 PM
Q4 2017 116 $913M +$204M -$182M +$22.3M CRCM, SLM, WIFI, CARB, NTNX 13F-HR 2/14/2018, 10:12 AM
Q3 2017 111 $839M +$254M -$157M +$96.9M CWST, WIFI, SLM, CRCM, CALD 13F-HR 11/14/2017, 07:34 AM
Q2 2017 117 $779M +$255M -$187M +$67.6M CWST, CALD, SLM, CRCM, HDP 13F-HR 8/14/2017, 03:54 PM
Q1 2017 120 $770M +$238M -$129M +$108M CWST, CALD, STMP, GOOG, EEFT 13F-HR 5/15/2017, 12:14 PM
Q4 2016 125 $743M +$296M -$181M +$115M CWST, STMP, CALD, GOOG, NXTM 13F-HR 2/14/2017, 01:35 PM
Q3 2016 109 $729M +$194M -$148M +$46.2M CWST, RNG, VG, STMP, GOOG 13F-HR 11/14/2016, 08:43 AM
Q2 2016 109 $694M +$184M -$169M +$14.7M CWST, STMP, CALD, EEFT, GOOG 13F-HR 8/12/2016, 04:01 PM
Q1 2016 111 $747M +$289M -$88.7M +$200M SAAS, CWST, GOOG, STMP, CALD 13F-HR 5/13/2016, 02:05 PM
Q4 2015 123 $789M +$274M -$167M +$107M SAAS, EGHT, STMP, CALD, CWST 13F-HR 2/12/2016, 11:09 AM
Q3 2015 114 $755M +$304M -$115M +$190M SAAS, CALD, CWST, ANIK, FLML 13F-HR 11/13/2015, 08:45 AM
Q2 2015 119 $715M +$295M -$39.4M +$255M SAAS, CWST, FLML, MWW, ABMD 13F-HR 8/14/2015, 11:43 AM
Q1 2015 113 $545M +$204M -$77.6M +$126M ABMD, CWST, ANIK, MERC, SQNM 13F-HR 5/15/2015, 08:25 AM
Q4 2014 106 $499M +$261M -$87.3M +$174M GT, ODPXXXX, ANIK, OSTK, HHC 13F-HR 2/11/2015, 08:18 AM
Q3 2014 104 $440M +$143M -$48.5M +$94.2M MOVE, CALD, ABMD, HHC, ANIK 13F-HR 11/13/2014, 10:45 AM
Q2 2014 119 $458M +$144M -$66.4M +$77.2M MOVE, TSO, EA, GT, ANIK 13F-HR 8/12/2014, 09:58 AM
Q1 2014 139 $434M +$143M -$118M +$24.7M MOVE, HHC, ASPS, TSO, GT 13F-HR 5/14/2014, 05:33 PM
Q4 2013 119 $451M WEB, ZLC, ASPS, MOVE, RESI 13F-HR 2/13/2014, 10:55 AM