/Investor DB

Main Sequence Ventures — 2023 Investments

11 investments dated 2023 · listed companies and verified rows first · show all

Cauldron Fermcauldronferm.cominSeed · Mar 2023 · $7M✓ verified

Cauldron is an Australian biotech company using precision fermentation to produce alternative proteins.

Advanced ManufacturingAgTechBiotechDeep TechFoodTechOrange, AU

Michele Stansfield(Founder)inDavid Kestenbaum(Founder)inMichele Stansfield David Kestenbaum(Founder)

Co-investorsIn-Q-TelHorizons VenturesSOSVUNSW Founders 10x

Arlulaarlula.cominSeed · Oct 2023 · $3.4M

Arlula builds infrastructure for Earth Observation, providing automated, secure systems that move satellite data through organizations at scale.

Data & InfrastructureSaaSSpace Tech

Sebastian Chaoui(Founder)in

Co-investorsBlack Nova VCCroc PitchLockheed Martin VenturesStartmate

Eden Brewedenbrew.com.auin𝕏Seed · Oct 2023 · $24.5M

Eden Brew develops food and supplementation products designed to deliver nutrition in natural forms that align with how the human body processes nutrients, with a focus on sustainable scaling and long-term health support.

BiotechDeep TechFoodTechHealthtechImpact & Social Good

Jim Fader(Founder)in

Co-investorsBreakthrough VictoriaDigitalis VenturesPossible VenturesRadar Ventures

Enduaendua.cominSeed · May 2023 · $5M

Endua designs and manufactures PEM electrolyser technology for on-site hydrogen generation and long-duration renewable energy storage.

Advanced ManufacturingCleantechEnergyHardwareAustralia, AU

Co-investors77 PartnersMelt VenturesQIC Ventures

JDoodlejdoodle.comSeed · Jun 2023 · $2M

JDoodle is a browser-based coding platform offering an online IDE that runs 114 languages, frameworks, and databases with no installation, plus an AI coding companion.

Cloud ComputingDeveloper ToolsEdTech

Co-investorsUNSW Founders 10x

Number8Bionumber8.bioinPre-Seed · Jun 2023 · $1M

Number8 develops solutions to increase productivity and reduce emissions in grass-fed cattle operations and their retail supply chain.

AgTechBiotechClimate TechFoodTechImpact & Social GoodAustralia, AU

Tom Williams(Co-founder)Alex Carpenter(Co-founder)in

Co-investorsBreakthrough VictoriaIcehouse VenturesPossible VenturesThe March Group

Plotlogicplotlogic.cominSeries B · Jul 2023 · $28M

Plotlogic develops OreSense®, a sensing and AI platform that provides real-time, quantitative mineral data to help mining operators make extraction decisions.

AI & Machine LearningCleantechDeep TechHardwareRed Hill, AU

Andrew Job(Founder)inSteve Lennard(CEO)in

BoardSaman Farid(Director)Grant Allen(Director)Samantha Smith-Eppsteiner(Director)inAlireza Tahmasebzadeh(Director)

Co-investorsCerity Partners VenturesDCVC (Data Collective)SE VenturesGalvanize Climate SolutionsInnovation Endeavors

Q-CTRLq-ctrl.comin𝕏Seed · Jan 2023 · $27.4M

Q-CTRL builds AI-powered control software for quantum computing systems, enabling manipulation and optimization of quantum computers without destroying quantum states.

AI & Machine LearningDeep TechQuantum Computing

Michael J. Biercuk(Founder)in

PartnerBill Bartee· led

Co-investors1802 VenturesAlpha EdisonAlumni VenturesDCVC (Data Collective)Grit VenturesIn-Q-Tel+12 more

Rainstickrainstick.com.auin𝕏Pre-Seed · Mar 2023 · $120K

Rainstick develops weather-event and biotech-related technology, drawing on hardware and software engineering.

AgTechBiotechClimate TechDeep TechQueensland, AU

Darryl Lyons(Cofounder, Chief Rainmaker)inMic Black(Cofounder, Chief Thunderstorm Creator)in

Co-investorsBetter Bite VenturesStartmate Launch Club

Skykraftskykraft.com.auinOct 2023 · $63M

Skykraft provides air traffic management services delivered via satellite, including voice and data communications, surveillance, and positioning services for aviation over remote and oceanic regions.

Deep TechHardwareIoTSpace TechCanberra, AU

Co-investorsDefence Trailblazer

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Quasar Satellite Technologies

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.