What does SixThirty invest in?
SixThirty invests most often at Seed and Venture (66% of the rounds on record), in sectors such as Authentication, Cyber Security and Insurance.

United States · Investor
Last cheque observed Sep 2026; 108 cheques on record.
Deploying nowNew fund $26M, May 2025Accelerator
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9 cheques in the last 12 months
Mostly Seed and Venture: 66% of its rounds
Sole investor in 21 rounds, median $150K
1 exits from the portfolio
SixThirty is a global venture capital firm that invests in early-stage companies at the intersection of health, wealth and privacy.From their own website
Every round we can evidence, newest first108 appearances
8 rounds
8 rounds
8 rounds
16 rounds
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration13 named
We also hold 19 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
From the firm's own filings with the SEC, which it must file accurately by law
From their own portfolio page (on their website)
AeglehealthpartnersAiPriseAnglehealthAssemblypaymentsAsset-mapBankinglyBankjoyBitsparkCentraleyesCipherstashCognicorCorelightCovergoCurafiCurrencyfairCyber-observerDavotechnologiesDayLitDenimsocialDiameter PayDiestaElucidateEnvestnetEquipifiFenrisdFinlockerFinomialFundingsocietiesHabitHyptIvmmarketsKriptosLamaLendingfrontLendingstandardMicruityMx51NeosecNeural PaymentsOneimagingOnionidOpenfinanceOsyteParalign HealthParticulaPaygroundPaytheoryPlinqitPopwalletRippleshotSandboxbankingSecurityadvisorSharegainSortspokeSureifyThirdpartytrustThreaterVedapointeVlotWealthaccessand 36 more
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.
Companies it backed that were later bought or listed1 in all
An exit counts when it came after the firm's first round in the company. From historical deal records.
The investors most often in the same rounds as SixThirty. A count of rooms they were both in, not a relationship either has claimed.
The latest companies SixThirty put money into.
One book written by people at SixThirty: Jim McKelvey.
The Innovation Stack: Building an Unbeatable Business One Crazy Idea at a Time
Jim McKelvey · 2020
4.22 from 1,839 ratings on Goodreads
From the cofounder of Square, an inspiring and entertaining account of what it means to be a true entrepreneur and what it takes to build a resilient, world-changing company In 2009, a St. Louis glassblowing artist and recovering computer scientist named Jim McKelvey lost a…
Find the books for what you are building, or how you invest.
Open the Reading ListAs an Amazon Associate we earn from qualifying purchases.
SixThirty invests most often at Seed and Venture (66% of the rounds on record), in sectors such as Authentication, Cyber Security and Insurance.
108 investments on record, 9 of them in the last 12 months. The most recent was in Sept 2026.
Its most recent investments on record: Diameter Pay (Series A, Sept 2026), Range (Series A, Jun 2026) and Lama AI (Series A, Jun 2026).
The median round it joins is $5.5M. It says it writes cheques of $100K to $5.0M.
Rarely, if at all: none of its 108 investments on record names it as the lead.
Most of the companies it backs are in the United States (75%), Canada (8%) and the United Kingdom (8%).
Yes: it is actively investing, with 9 investments in the last 12 months.
Most often Cultivation Capital (9 rounds together), MassChallenge (6 rounds together) and Plug and Play (6 rounds together).
Find the investors who back rounds like yours, and keep every conversation on one fundraising board.
Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it