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J2 Ventures — Portfolio, Page 2

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

53
Companies
$933.4M
Total invested
$22.8M
Avg. check
49
Industries
Artificial Intelligence (AI) 9Software 6Biotechnology 4Electronics 4Manufacturing 4Health Care 4+43 more
Founder contacts

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Portfolio companies

Showing 2548 of 53
Sealonix
May 2023

Sealonix focuses on the development and commercialization of hemostatic sealants using its proprietary biomaterials.

Advanced Materials · Bedford$20.0M Series A
Holly
January 2025

Holly operates as an AI company that modernizing government hiring.

Artificial Intelligence (AI) · New York$2.2M Pre-Seed
Mesa Quantum
January 2026

Mesa Quantum is a quantum sensor manufacturing company that provides volume manufacturing of integrable chip-scale technology solutions.

Electronics · Boulder$11.2M Series A
Tasso
December 2021

Tasso is a Medical innovation company changing the way diagnostics are delivered

Health Care · Seattle$100.0M Series B
Femtosense
January 2025

Femtosense is a technology company.

Artificial Intelligence (AI) · Palo AltoUndisclosed
SkyFi®
January 2026

SkyFi® is an earth intelligence platform that provides satellite imagery and analytics to help interpret and analyze planetary data.

Aerospace · Austin$12.7M Series A
Civic
January 2026

Civic provides AI-native systems for government communications, workflows, and data.

Artificial Intelligence (AI) · New York$1.0M Seed
Aalyria
February 2026

Aalyria is an advanced aerospace communications company that provides high-throughput networks for both commercial and government clients.

Internet · Livermore$100.0M Series B
Phoenix Tailings
February 2026

Phoenix Tailings is a rare earth metals production company that transforms mining waste (tailings) into usable rare earth metals and alloys.

Advanced Materials · Woburn$30.2M Series B
SkyFi®
January 2026

SkyFi® is an earth intelligence platform that provides satellite imagery and analytics to help interpret and analyze planetary data.

Aerospace · Austin$12.7M Series A
Shift5
September 2025

Shift5 is a cybersecurity company that provides hardware and software solutions to defend operational technology (OT) platforms.

Cyber Security · Arlington$75.0M Series C
VectorWave
June 2025

VectorWave is a technology business dedicated to providing enhanced solutions for spectrum.

Electronics · Cambridge$2.5M Seed
Phoenix Semiconductor
June 2025

Phoenix offers clients a dependable, safe, and everlasting source for vital microelectronic parts that aren't available.

Computer · Austin$5.5M Seed
Safi Biosolutions
April 2025

Safi Biosolutions is biotechnology based company.

Biotechnology · ArlingtonGrant
Musubi
February 2025

Musubi is an artificial intelligence company that offers content moderation and fraud detection services across social media apps.

Artificial Intelligence (AI) · Santa Barbara$5.0M Seed
Lumia
February 2025

Lumia builds wearable that tracks blood flow to help people understand their bodies, improve well-being, and make proactive health choices.

Artificial Intelligence (AI) · Boston$6.8M Series Unknown
Kusari
February 2025

Armor for your supply chain! Equipping you with the tools to prevent and react to supply chain attacks!

RidgefieldSeries A
Micron Biomedical
January 2025

Micron Biomedical is a clinical-stage biopharmaceutical company on a rapid path to bring drugs and vaccines to market.

Biopharma · Atlanta$16.0M Series A
Aether Biomedical
December 2024

Aether Biomedical is a rehabiliation robotics startup focused on building bionic limbs for upper limb amputees

Artificial Intelligence (AI) · PoznanSecondary Market
Parallel Fluidics
November 2024

Parallel Fluidics is a new microfluidics manufacturing company.

Industrial · Stoneham$7.0M Seed
Gamebeast
August 2024

GameBeast is a low-code LiveOps and data analytics platform for game developers.

Gaming · Seattle$3.7M Pre-Seed
Redcoat AI
March 2024

Redcoat AI is a platform that develops cybersecurity tools to protect against social engineering threats on mobile devices.

Artificial Intelligence (AI) · Menlo Park$4.2M Seed
Cinder Technologies
January 2024

Cinder | Responsible AI, Trust & Safety, and Data Labeling At Scale

Fraud Detection · New YorkSeries Unknown
Acalvio Technologies
July 2022

Acalvio, the leader in cyber deception technology, helps enterprises actively defend against advanced security threats.

Cloud Computing · Santa Clara$17.4M Series D

Where J2 Ventures invests

Artificial Intelligence (AI)9
Software6
Biotechnology4
Electronics4
Manufacturing4
Health Care4

About J2 Ventures's portfolio

How many companies has J2 Ventures invested in?

J2 Ventures has invested in 53 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does J2 Ventures invest in?

J2 Ventures's top investment sectors include Artificial Intelligence (AI), Software, Biotechnology, Electronics, Manufacturing. The firm invests across 49 different industry categories.

What is J2 Ventures's largest investment?

Among tracked funding rounds, Tasso received $100.0M in a Series B round. J2 Ventures's total known invested capital is $933.4M.

What is the average investment size for J2 Ventures?

J2 Ventures's average investment size is $22.8M across its portfolio of 53 companies.

What are J2 Ventures's most recent investments?

Recent J2 Ventures portfolio additions include Sealonix, Holly, Mesa Quantum, Tasso, Femtosense. These companies were founded in 2020 or later.

Reach the founders behind these 53 companies
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