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Antimatter

Cybersecurity · San Francisco, United States · Founded 2020

Provably guarantees customer data privacy in SaaS with a cryptographic infrastructure service that requires no code changes MoreLess

Antimatter.io is a tech startup that offers a sensitive data platform. The company's primary focus is on the automatic classification of sensitive data in both structured and unstructured sets. This service is particularly useful for businesses that handle large amounts of sensitive data, such as enterprise SaaS companies. Antimatter.io's platform allows these businesses to define policies for internal chatbots, LLMs, RAG, and data science, ensuring that sensitive data is handled appropriately at all stages of the data pipeline.

The platform also offers features such as redaction, tokenization, and anonymization of data on a per-user basis. This means that businesses can create multiple sanitized views of the same data without duplication, which is a significant advantage in terms of data management and privacy.

Antimatter.io operates in the data security market, serving clients who need to manage and protect their sensitive data. The company's business model revolves around providing a platform that enables businesses to build AI without sacrificing data privacy. It also allows businesses to track customer consent for different data use cases, classify and transform sensitive data for AI/ML training and testing, and enforce permissions across data sources.

The company makes money by charging businesses for using its platform. The platform's capabilities, such as easy per-customer encryption for modern SaaS stacks and centrally defined and updated fine-grained access policies across all data stores, make it an attractive solution for businesses that handle sensitive data.

Keywords: Sensitive Data, Data Classification, Data Security, Data Privacy, AI/ML Training, Data Management, Data Pipeline, Data Anonymization, Data Encryption, SaaS.

Company overview

Antimatter company information

The essential company record, classifications and operating signals in one place.

Status
Acquired
Founded
2020
Headquarters
San Francisco, United States
Employees
10
Open positions
None listed
Dealroom signal
58.1
technologyBlockchainclient focusb2btechnologyBig DatatechnologyDeep Techsub industryData protectionbusiness modelSaaSindustrySecuritysectorSpinoutsectorDT and LS

Valuation & funding

Antimatter funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONExit Mar 2026 $0 Databricks
SERIES AEquity / VC Apr 2022 $12M $48M NEA
SPINOUTOther financing Jan 2020 $0 University of California, Berkeley
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Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $1.3M 0% 10
2025 $1.3M 0% 14
2024 $1.3M 0% 22
2023 $1.3M +184.4% 21
2022 $450K 10
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Growth signals

Antimatter website traffic

Latest recorded traffic for Antimatter is 510 monthly website visits, down 73.2% over the last three months. Antimatter's team declined 28.6% over the past year.

Latest monthly visits510 3-month web change-73.2% 1-year team growth-28.6%
Monthly website visits42 observations · Oct 2022–Jul 2026
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Comparisons

Antimatter compared with similar companies

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Talent graph

Antimatter's talent

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Team profiled 4 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

4 investors on Antimatter's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Series A 1 investor entered at this stage
Other known 3 additional known investors
Databricks
University of California, Berkeley
515 Ventures

Global footprint

Where Antimatter has talent and traffic

Workforce by country
3 countries with
team presence
🇺🇸 United States50%
🇿🇦 South Africa33.3%
🇨🇦 Canada16.7%
3 countries shown

In the news

Latest news about Antimatter

Recent press, funding announcements, and product moves mentioning Antimatter — open to read from the original sources.

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Market sentiment

What the market is saying about Antimatter

An AI-synthesized read of the highest-engagement posts about Antimatter on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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