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Antimatter

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

San Francisco, United StatesFounded 2020Cybersecurity
Valuation $50–100M Last recorded · 2022
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Antimatter and the history behind them.

About Antimatter

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.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2020
Headquarters
San Francisco, United States
Employees
10
Open positions
None listed
Dealroom signal
58.1/100
Industry
Security
Sub-industry
Data protection
Sector
Cybersecurity, Spinout, DT and LS
Technology
Blockchain, Big Data, Deep Tech
Business model
SaaS
Client focus
b2b

Funding history

3 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITION✓Exit Mar 2026 $0 — Databricks ↗
SERIES A✓Equity / VC Apr 2022 $12M $48M NEA ↗
Showing the latest 2 of 3 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022 —
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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%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

4 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A1 investor entered at this stage

Other known investors3 additional known investors

  • Databricks
  • University of California, Berkeley
  • 515 Ventures
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.

Global footprint

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

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Antimatter on X, ranked by likes and reposts, corporate channels excluded.

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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