Primer
PrivateLast Round
Series D
Jun 14, 2023
Total Funding Raised
$233M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Primer is a software company that provides a machine intelligence platform to automate the analysis of large datasets through machine learning and natural language processing for defense, intelligence, and enterprise customers.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, Defense Tech, ML Platforms, Threat Intelligence
Business Model
B2G
Customer Profile
Subscription SaaS, Government Contracts
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Primer Comparables
Compare Primer with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Adarga | 83% | |
| Vannevar Labs | 79% | |
| Babel Street | 79% |
Primer Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D | Jun 14, 2023 | ||||
| Series C | Jun 22, 2021 | ||||
| Series B | Nov 21, 2018 | ||||
| Series A | Oct 24, 2017 | ||||
| Seed | Jan 28, 2015 |
Key People
Founding team and executive leadership
Primer Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| S32 | Series B, Series C |
| Addition | Series D, Series C |
| US Innovative Technology Fund | Series D |
| Crosslink Capital | Series B, Series A |
| Lux Capital | Seed, Series C, Series A, Series B |
| Steadfast Capital Management | Series C |
| Avalon Ventures | Series B, Series C, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 26, 2026
Monthly visitors increased 35% to 11.5K.
- Aug 7, 2025
Integrating Reality Defender's deepfake detection into OSINT platform.
Recent news
Latest coverage and updates
- has_revenueAug 10, 2026
Primer had revenue of $31M on Sep 1st '25.
- has_revenueAug 10, 2026
Primer had revenue of $14.5M on Sep 1st '25.
Primer Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Primer's valuation, stock price, and market status.
Is Primer a public or private company?
Primer is a private company.
What is the current stock price of Primer?
Primer is a private company with no public stock price. No recent secondary market data is available.
How much is Primer worth (valuation)?
Valuation information for Primer is not publicly available.
Can I buy Primer stock?
Primer shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Primer's last funding round?
Primer's most recent funding round was Series D on June 14, 2023.
Who are the main investors in Primer?
Key investors in Primer include Addition, Lux Capital, DCVC (Data Collective).
Will Primer IPO soon?
No public IPO plans have been announced for Primer.
How can I track Primer secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Primer's secondary market activity and sign up for updates.