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645 Ventures — Portfolio, Page 3

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

122
Companies
$1.7B
Total invested
$18.5M
Avg. check
59
Industries
Software 10Artificial Intelligence (AI) 8SaaS 6Information Technology 5Cyber Security 4Analytics 3+53 more
Founder contacts

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Portfolio companies

Showing 4972 of 122
Cube Dev
June 2024

Cube provides an analytical application platform to help companies manage and optimize their analytics workflow.

Analytics · San Francisco$25.0M Series B
EngineEars
February 2024

EngineEars operates as a marketplace for audio engineers.

Audio · Los Angeles$7.5M Seed
Intrinsic
December 2023

Intrinsic is a software company that provides safety tools and API.

Developer APIs · San Francisco$3.1M Seed
InpharmD
December 2023

Doctors submit questions, we provide curated, evidence- based answers

Artificial Intelligence (AI) · Atlanta$6.0M Seed
Causely
June 2023

Causely is an AI platform to eliminate human troubleshooting and enable resilient cloud application management.

Artificial Intelligence (AI) · New York$10.8M Seed
Judy Security
April 2023

Judy Security is a cyber security company that offers cybersecurity software solutions for small and medium businesses.

Cyber Security · Detroit$5.0M Series A
Agency AI
January 2025

Agency AI provides AgentOps.ai to create a reliable environment for AI agent development.

Artificial Intelligence (AI) · San FranciscoSeed
Crescendo Health
January 2023

Crescendo Health's mission is to accelerate clinical trials and medical innovation

Clinical Trials · San Francisco$3.4M Seed
Risotto
January 2026

Risotto is an AI ChatOps for IT support, boosting efficiency and security with instant resolution and 24/7 automation, all via chat.

Artificial Intelligence (AI) · San Francisco$10.0M Seed
Betterview
January 2023

Betterview is a property intelligence platform that assists property insurers in analyzing, scoring, managing, and monitoring property risk.

Computer Vision · San FranciscoVenture - Series Unknown
Panther
December 2021

Panther is a modern SIEM platform that solves the challenges of security operations at scale

Analytics · San Francisco$120.0M Series B
Nanit
December 2025

Nanit is a startup developing smart baby monitors and sleep tracker devices.

Baby · New York$50.0M Private Equity
Sequence
December 2025

Sequence streamlines the quote to cash process for modern B2B teams.

B2B · London$20.0M Series A
apty
November 2023

apty is a digital adoption platform that helps enterprises to optimize business processes.

AI Infrastructure · AustinSeries A
DeepSource
January 2022

DeepSource is a unified DevSecOps platform that helps companies write secure code with static analysis and AI.

Artificial Intelligence (AI) · San Francisco$5.0M Undisclosed
Squire
November 2024

SQUIRE is a barbershop business management system that includes tools for booking, scheduling, payment processing, and marketing management.

Consumer · New YorkDebt Financing
Forterra
November 2025

Forterra delivers autonomous mission systems for defense.

Automotive · Clarksburg$188.0M Series C
FiscalNote
October 2025

FiscalNote uses artificial intelligence and big data to deliver predictive analytics on government information to determine its impact.

Artificial Intelligence (AI) · Washington$25.8M Post-IPO Debt
Oort
October 2022

Oort is an identity threat detection and response platform for enterprise security.

Cyber Security · Boston$11.5M Series A
Bespoke Post
October 2021

Quality apparel and gear built to go the distance

Consumer Goods · New York$40.0M Series B
Strella
October 2025

Strella is a Software as a Service (SaaS) solution that allows innovative product teams to run fast, continuous user research using AI.

Artificial Intelligence (AI) · New York$14.0M Series A
Lyte
October 2021

Lyte is the largest portable charger sharing solution ex-Asia. We are available in the US, UK and EU.

Hardware · San Mateo$5.0M Seed
LeagueApps
October 2024

LeagueApps is the operating system and professional community for the most enterprising youth and local sports organizers.

Local · New YorkPrivate Equity
Order
March 2026

Order is a guided B2B marketplace that helps businesses place orders, control spend, and submit payment across their vendors.

B2B · New York$7.1M Series Unknown

Where 645 Ventures invests

Software10
Artificial Intelligence (AI)8
SaaS6
Information Technology5
Cyber Security4
Analytics3

About 645 Ventures's portfolio

How many companies has 645 Ventures invested in?

645 Ventures has invested in 122 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does 645 Ventures invest in?

645 Ventures's top investment sectors include Software, Artificial Intelligence (AI), SaaS, Information Technology, Cyber Security. The firm invests across 59 different industry categories.

What is 645 Ventures's largest investment?

Among tracked funding rounds, Forterra received $188.0M in a Series C round. 645 Ventures's total known invested capital is $1.7B.

What is the average investment size for 645 Ventures?

645 Ventures's average investment size is $18.5M across its portfolio of 122 companies.

What are 645 Ventures's most recent investments?

Recent 645 Ventures portfolio additions include Cube Dev, EngineEars, Intrinsic, InpharmD, Causely. These companies were founded in 2020 or later.

Reach the founders behind these 122 companies
Verified emails and LinkedIn profiles, updated monthly.
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