Antimatter
5 known investors
Antimatter Systems provides personalized learning experiences and formative assessment tools for educators and students, offering games, activities, and professional development resources to support differentiated instruction.
Investors · 5
CompoundNew York · $400K – $1.5M
Spacecadet VenturesKent County · $100K – $500K
General CatalystreportedSan Francisco · $30M
New Enterprise Associates (NEA)reportedMenlo Park · $200K – $40M
Also in the syndicate · 1
UNION Labs
Funding
SEC filings, press & company announcements$12M disclosed across 1 of 2 rounds · 2022
- $12MSeries AApr 2022 · 2 sources
General Catalyst, NEA, UNION Labs
Source ↗ - Undisclosed amountSeries AMar 2022
NEA (lead), General Catalyst, UNION Labs
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 4
by search overlapGoodreads4 shared keywordsGoodreads is a social platform for readers to track books, share reviews with friends, and get personalized book recommendations from a recommendation engine. It serves book readers looking to discover new titles and discuss reading.
Litcharts3 shared keywordsLitCharts provides literature and poetry study guides covering summaries, themes, character analysis, literary terms, and modern-English Shakespeare translations for over 3,000 titles. It serves students, teachers, parents, and book club readers, and offers AI-powered study and teaching tools alongside its guides.
Bookroo3 shared keywordsBookroo provides curated monthly book deliveries to help parents build their children's book collections affordably. The service targets families seeking convenient access to high-quality children's books without the hassle of individually sourcing titles.
Imgur3 shared keywordsImgur is an online platform for uploading, sharing, and discovering images and memes, organized around community-submitted posts, tags, and upvotes. It also offers casual browser games through an "Arcade" section.
Companies competing with Antimatter for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Antimatter do?
- Antimatter Systems provides personalized learning experiences and formative assessment tools for educators and students, offering games, activities, and professional development resources to support differentiated instruction.
- Who are Antimatter's investors?
- Antimatter's investors include Compound, Spacecadet Ventures, General Catalyst, New Enterprise Associates (NEA).
- How much funding has Antimatter raised?
- Antimatter has disclosed $12M raised across 1 of its 2 known rounds.

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