Exum Instruments
PrivateLast Round
Seed Round
Jul 2, 2026
Total Funding Raised
$9.4M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
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, Quality Management, Biotech Equipment
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Application
Keywords
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. | 81% | |
| LECO Corporation | 70% | |
| Elemental Scientific, Inc. | 70% | |
Exum Instruments Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed Round | Jul 2, 2026 | ||||
| Early Funding | Apr 24, 2025 | ||||
| Grant | May 16, 2024 | ||||
| Series A | May 23, 2023 | ||||
| Seed | Apr 26, 2022 | ||||
Pre Seed | Dec 21, 2021 |
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 |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 2, 2026
Raised $3.4M in a seed funding round.
- Feb 26, 2026
Launched the next generation of its Massbox product.
Exum Instruments Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Exum Instruments's valuation, stock price, and market status.