A
Antimatter
Provably guarantees customer data privacy in SaaS with a cryptographic infrastructure service that requires no code changes
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 dataAt 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
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| ACQUISITION✓Exit | Mar 2026 | $0 | — | Databricks | ↗ |
| SERIES A✓Equity / VC | Apr 2022 | $12M | $48M | NEA | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
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.
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
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
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
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
See Antimatter’s full profile on Dealroom
Request a free trial to see the complete deal history, financials, people graph and growth signals.
Takes under a minute. Already use Dealroom? Log in.







