Fundraising Fox
Aaron Holiday
InvestorGeneral Partner at 645 Ventures
New York, New York
Writes $250K – $1.5M checks · typically $500K
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About
Aaron Holiday is co-founder and Managing Partner at 645 Ventures, an early-stage firm he launched in 2014 that leads seed and Series A rounds. He brings two decades of finance and technology experience, including building equities program trading and FX derivatives software, and previously served as the first Managing Entrepreneurial Officer at Cornell Tech, where he worked with former Twitter CTO Greg Pass to establish the campus Studio curriculum. His firm's portfolio includes Goldbelly, Iterable, FiscalNote, Squire, Resident/Nectar Sleep, FLY Labs (acquired by Google), Source3 (acquired by Facebook), and Abacus (acquired by Certify).
Contact· self-published, not guessed
Invests in
AI & Machine LearningCloud ComputingConsumerCrypto & Web3Data & InfrastructureDeep TechDeveloper ToolsDirect to ConsumerE-commerceEdTechEnterprise SoftwareFintechFuture of WorkGamingGovTechHealthtechInsurTechIoTMarketplacesMedia & EntertainmentMedical DevicesPropTechSaaSSocial
Deals · 11
Efficient Capital LabsBoard seat
via 645 Ventures · filed Sep 2024 · $10.9M raise
SkydropXBoard seat
via 645 Ventures · filed Oct 2021 · $25M raise
Squire TechnologiesLed round
via 645 Ventures · filed Mar 2024
SpiketrapLed round
via 645 Ventures · filed Jun 2020
AbacusLed round
via 645 Ventures
BetterView MarketplaceLed round
via 645 Ventures
Fiscal NoteLed round
via 645 Ventures
GoldbellyLed round
via 645 Ventures
IterableLed round
via 645 Ventures
NanitLed round
via 645 Ventures
Fly LabsLed round
via 645 Ventures
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
ResidentSource3
Board seats
Investor
BigEyeCauselyDeepSourceEden HealthGeniallyInnerwellOvertimePanther LabsResidentSquireUpside
Sources: the firm's website · SEC Form D filings · curated public sources.
Colleagues at 645 Ventures
Network11
Investors connected to Aaron in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Aaron Holiday?
- Aaron Holiday is co-founder and Managing Partner at 645 Ventures, an early-stage firm he launched in 2014 that leads seed and Series A rounds. He brings two decades of finance and technology experience, including building equities program trading and FX derivatives software, and previously served as the first Managing Entrepreneurial Officer at Cornell Tech, where he worked with former Twitter CTO Greg Pass to establish the campus Studio curriculum. His firm's portfolio includes Goldbelly, Iterable, FiscalNote, Squire, Resident/Nectar Sleep, FLY Labs (acquired by Google), Source3 (acquired by Facebook), and Abacus (acquired by Certify).
- Where does Aaron Holiday work?
- Aaron Holiday is General Partner at 645 Ventures.
- What does Aaron Holiday invest in?
- Aaron Holiday invests in AI & Machine Learning, Cloud Computing, Consumer, Crypto & Web3, Data & Infrastructure, Deep Tech, Developer Tools, Direct to Consumer, E-commerce, EdTech, Enterprise Software, Fintech, Future of Work, Gaming, GovTech, Healthtech, InsurTech, IoT, Marketplaces, Media & Entertainment, Medical Devices, PropTech, SaaS, Social.
- What check size does Aaron Holiday write?
- Aaron Holiday typically writes checks of $250K – $1.5M.
- What boards does Aaron Holiday sit on?
- Aaron Holiday holds tracked board seats at Efficient Capital Labs, SkydropX, UpsideHoM.
- What companies has Aaron Holiday invested in?
- Investments tracked here include Abacus, BetterView Marketplace, Fiscal Note, Fly Labs, Goldbelly, Iterable, Nanit, Resident, Source3, Spiketrap, Squire Technologies, BigEye, and 16 more.
- Does Aaron Holiday lead rounds?
- Yes — Aaron Holiday has led 11 tracked investments.
About this profile. Compiled from public sources — 645 Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights