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Greenhaven Road Investment Management, L.P.

13F filer · CIK 0001741129
Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$154MU.S. long equity reported on 13F
Positions174 new · 3 closed
Net flow last quarter-$7.89MBuys minus sells
Top 10 positions weight91.6%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 14, 202617 positions
HGTYHagerty, Inc.$22.2M14.44%0.54%-21.3%Q2 2022
CLBTCellebrite DI Ltd.$18.4M11.94%0.51%-17.9%Q4 2021
KWYKINGSWAY Corp$17.7M11.47%5.93%-8.4%Q1 2023
LFCRLifecore Biomedical, Inc. \de\$16.8M10.88%8.46%-9.8%Q1 2023
PARPar Technology Corp$14.2M9.25%1.98%+0.9%Q4 2019
BURBurford Capital Ltd$12.5M8.10%1.39%+42.2%Q1 2023
ANABAnaptysbio, Inc$11.5M7.50%0.59%NewQ2 2026
KKRKKR & Co. Inc.$10.5M6.80%0.01%+7.0%Q4 2019
ASTSAST SpaceMobile, Inc.$9.53M6.19%Not reported-52.4%Q2 2025
NNNextnav Inc.$7.84M5.09%0.26%+25.8%Q1 2025
CODICompass Diversified Holdings$7.01M4.55%0.87%NewQ2 2026
ZMZoom Communications, Inc.$2.86M1.86%Not reported+32.6%Q1 2026
APPAppLovin Corp$2.48M1.61%0.00%NewQ2 2026
PDEXPro Dex Inc$210K0.14%0.11%NewQ2 2026
MTRXMatrix Service Co$177K0.12%0.05%-7.3%Q2 2023
RSSSResearch Solutions, Inc.$89.3K0.06%0.11%Not reportedQ2 2023
QRHCQuest Resource Holding Corp$39.6K0.03%0.15%Not reportedQ4 2019
Q1 2026Reported May 15, 202616 positions
HGTYHagerty, Inc.$25M17.17%0.68%-9.4%Q2 2022
CLBTCellebrite DI Ltd.$21.2M14.55%0.62%-4.0%Q4 2021
KWYKINGSWAY Corp$19.3M13.29%6.47%-1.7%Q1 2023
ASTSAST SpaceMobile, Inc.$18.7M12.84%Not reported-18.2%Q2 2025
LFCRLifecore Biomedical, Inc. \de\$13.2M9.05%9.44%-3.9%Q1 2023
PARPar Technology Corp$10.8M7.43%1.96%-8.6%Q4 2019
KKRKKR & Co. Inc.$9.86M6.78%0.01%-43.9%Q4 2019
BURBurford Capital Ltd$9.67M6.66%0.98%+14.7%Q1 2023
ALLTAllot Ltd.$8.44M5.80%2.60%+47.8%Q4 2024
NNNextnav Inc.$5.6M3.85%0.26%+463.4%Q1 2025
ZMZoom Communications, Inc.$2.01M1.38%Not reportedNewQ1 2026
MRLNMerlin, Inc.$796K0.55%0.15%NewQ1 2026
MTRXMatrix Service Co$160K0.11%0.05%Not reportedQ2 2023
PESIPerma Fix Environmental Services Inc$120K0.08%0.06%Not reportedQ4 2021
RSSSResearch Solutions, Inc.$87K0.06%0.12%Not reportedQ2 2023
QRHCQuest Resource Holding Corp$37.4K0.03%0.15%Not reportedQ4 2019
Q4 2025Reported Feb 13, 202615 positions
HGTYHagerty, Inc.$35.2M5.92%0.76%-1.8%Q2 2022
PARPar Technology Corp$32.2M5.42%2.18%-8.9%Q4 2019
LFCRLifecore Biomedical, Inc. \de\$30.1M5.07%9.83%-0.3%Q1 2023
CLBTCellebrite DI Ltd.$28.8M4.86%0.64%-3.2%Q4 2021
KWYKINGSWAY Corp$25.3M4.27%6.58%+43.8%Q1 2023
KKRKKR & Co. Inc.$21.7M3.66%0.02%-13.5%Q4 2019
ASTSAST SpaceMobile, Inc.$20M3.37%Not reported-16.4%Q2 2025
BURBurford Capital Ltd$16.6M2.80%0.85%+16.4%Q1 2023
ALLTAllot Ltd.$8.42M1.42%1.76%+12.8%Q4 2024
LPXLouisiana-Pacific Corp$8.18M1.38%0.14%-45.7%Q1 2024
PINSPinterest, Inc.$2.85M0.48%0.09%Not reportedQ1 2020
NNNextnav Inc.$1.03M0.17%0.05%+3.3%Q1 2025
MTRXMatrix Service Co$163K0.03%0.05%Not reportedQ2 2023
RSSSResearch Solutions, Inc.$113K0.02%0.12%Not reportedQ2 2023
QRHCQuest Resource Holding Corp$58.5K0.01%0.15%+2.2%Q4 2019
Q3 2025Reported Dec 1, 202515 positions
PARPar Technology Corp$38.5M5.68%2.40%-2.2%Q4 2019
HGTYHagerty, Inc.$32.1M4.73%0.77%+47.1%Q2 2022
CLBTCellebrite DI Ltd.$30.6M4.52%0.68%+8.9%Q4 2021
KKRKKR & Co. Inc.$28.6M4.21%0.02%-6.4%Q4 2019
LFCRLifecore Biomedical, Inc. \de\$27.2M4.01%9.86%Not reportedQ1 2023
BURBurford Capital Ltd$19.2M2.83%0.73%-1.4%Q1 2023
KWYKINGSWAY Corp$19.2M2.83%4.58%Not reportedQ1 2023
LPXLouisiana-Pacific Corp$16.6M2.44%0.27%-7.5%Q1 2024
ASTSAST SpaceMobile, Inc.$16.2M2.38%Not reported+22.8%Q2 2025
ALLTAllot Ltd.$8.04M1.19%1.63%+21.3%Q4 2024
SOCSable Offshore Corp.$5.05M0.75%0.29%-55.2%Q3 2024
NNNextnav Inc.$858K0.13%0.04%Not reportedQ1 2025
MTRXMatrix Service Co$183K0.03%0.05%Not reportedQ2 2023
RSSSResearch Solutions, Inc.$144K0.02%0.12%Not reportedQ2 2023
QRHCQuest Resource Holding Corp$48.2K0.01%0.15%+137.2%Q4 2019
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