Exum Instruments
PrivateLast Round
Seed Round
Jun 17, 2026
Total Funding Raised
$9.4M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Exum Instruments operates in Frontier & Industrial Tech and is based in Denver, Colorado. Its latest recorded funding round was an Early Funding round in April 2025.
Exum Instruments is a scientific instrumentation company that develops and produces the Massbox, a desktop Laser Ablation Laser Ionization Time of Flight Mass Spectrometer (LALI-TOF-MS) designed to accelerate materials development and discovery.
Sector
Frontier & Industrial Tech
Verticals
Advanced Materials, Computing Hardware, Smart Manufacturing, Quality Management
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Exum Instruments Comparables
Compare Exum Instruments with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Applied Spectra, Inc. | 82% | |
| Elemental Scientific, Inc. | 74% | |
| Spectris plc | 69% |
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Exum Instruments Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed Round | Jun 17, 2026 | ||||
| Early Funding | Dec 16, 2025 | ||||
| Early Funding | Apr 24, 2025 | ||||
| Early Funding | Jul 9, 2024 | ||||
| Grant | May 16, 2024 | ||||
Series A | May 23, 2023 |
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Exum Instruments Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Energy Innovation Capital | Series A |
| Community Development Venture Capital Alliance | Early Funding |
| Advantage Capital | Series A |
| FortySix Capital | Seed, Series A |
| Oasis Capital | Seed |
| Boyd Street Ventures | Series A |
| Cortado Ventures | Seed, Series A, Pre Seed |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 17, 2026
Raised $3.4M in a seed funding round.
- Feb 26, 2026
Launched the next generation of its Massbox product.
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Exum Instruments 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.
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Frequently Asked Questions
Common questions about Exum Instruments's valuation, stock price, and market status.
Is Exum Instruments a public or private company?
Exum Instruments is a private company.
What is the current stock price of Exum Instruments?
Exum Instruments is a private company, so its shares have no public market price. Caplight tracks Exum Instruments's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Exum Instruments worth (valuation)?
Valuation information for Exum Instruments is not publicly available.
Can I buy Exum Instruments stock?
Exum Instruments shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Exum Instruments's last funding round?
Exum Instruments's most recent funding round was Seed Round on June 17, 2026.
Who are the main investors in Exum Instruments?
Key investors in Exum Instruments include Energy Innovation Capital.
Will Exum Instruments IPO soon?
No public IPO plans have been announced for Exum Instruments.
How can I track Exum Instruments secondary market activity?
Caplight tracks bids, offers, and trades in Exum Instruments's shares on secondary markets.