/Investor DB

Heartland — Full Portfolio

6 tracked investments · listed companies and verified rows first

miRagen TherapeuticsNASDAQ: VRDN

miRagen Therapeutics is a biopharmaceutical company developing monoclonal antibodies and other engineered protein therapeutics targeting specific receptors (IGF-1R, FcRn, and TSHR) for autoimmune and rare diseases including thyroid eye disease, Graves' disease, and various autoimmune conditions.

BiotechBoulder, US

William S. Marshall(Executive Officer, Director)Jason A. Leverone(Executive Officer)inDavid Rodman(Executive Officer)Stephen Mahoney(President, Chief Executive Officer and Director)Thomas Beetham(Chief Operating Officer)inRadhika Tripuraneni(Chief Medical Officer)in

Co-investorsBrace PharmaBroadview VenturesMC Healthcare VenturesRidgeback CapitalAtlas VentureBoulder Ventures+1 more

Kvasir companykvasirtechnologies.comin✓ verified

Kvasir Technologies develops biofuel technology that converts non-edible lignocellulosic biomass (such as straw, wood chips, and corn stover) into biocrude and drop-in bio-oil that can replace marine heavy fuel oil.

CleantechClimate TechDeep TechEnergyCopenhagen, DK

Joachim Bachmann Nielsen(CEO & Co-founder)inAnders Bak Kristoffersen(Co-Founder)

Co-investorsThe Footprint FirmVÅR VenturesMaersk Growth

Funding Circlefundingcircle.cominSep 2018

Funding Circle is an online lender that provides business financing products including term loans, flexible credit lines, and business credit cards to small businesses in the UK.

FintechLondon, GB

Andrew Mullinger(Founder)James Meekings(Founder)Samir Desai(Founder)

Co-investorsAccelIndex VenturesPerscitus LLPPrime VenturesUnion Square Ventures (USV)Montage Ventures+1 more

Laboruplaborup.usOct 2025 · $7.7M

Laborup uses AI to match skilled manufacturing workers with industrial companies seeking to hire, reducing hiring costs and time-to-fill for roles in machining, welding, and production.

Advanced ManufacturingAI & Machine LearningFuture of WorkHR TechTennessee, US

Simba J.(Founder)in

Co-investorsHeartland VenturesHeartland Ventures S7Market Square VenturesMarketplaceNKECHI IREGBULEMNVP Capital+9 more

Landfolklandfolk.cominMar 2023

Landfolk is a curated marketplace for booking handpicked holiday homes with distinctive character and design.

MarketplacesTravel & HospitalityÅrhus, DK

Christian Schwarz Lausten(Founder)inAnders Boelskifte Mogensen(Founder)inCamilla Swartz(Founder)inCathrine K. Reimann(Founder)inChris Kjær Sørensen(Founder)inLars Kloster Silkjær(Founder)in

Co-investorsSEED Capital DenmarkSeed Capital Limited

Seaborg Technologiesseaborg.comin

Saltfoss (formerly Seaborg Technologies) develops floating nuclear power plants designed for deployment in coastal and remote regions.

CleantechClimate TechDeep TechEnergyCopenhagen, DK

Andreas Vigand Schofield(Chief Technical Officer & Co-founder)inEsben Klinkby(Vice President R&D Partnering & Co-founder)in

Co-investorsUnruly Capital

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.