Investors / United Kingdom / Quantum Exponential
Quantum Exponential
Venture capital · London, United Kingdom · Europe
Quantum Exponential is a specialist venture fund that builds a portfolio of quantum technology companies. It sources deals through referrals, universities, quantum centres of excellence and partnerships, and takes an active approach in its investments.
Invests inAI & Machine LearningHealthcare & BiotechIndustrial & Manufacturing
In its own wordsquantumdeep techquantum computingquantum communicationsquantum sensingdefence
Your fit with Quantum Exponential
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See how your round matches what it backs, point by point.
Or find every investor that fitsQuantum Exponential lists 8 checked portfolio companies on its own site and is named in 3 funding rounds. Its most frequent entry is Seed, 67% of the companies with a known first round. Its largest themes are AI & Machine Learning (31%), Healthcare & Biotech (23%) and Industrial & Manufacturing (15%). 100% of its companies are based in United Kingdom. It invests most often alongside Firgun Ventures, Science Creates Ventures and 24Haymarket.
Counts come from funding rounds that name Quantum Exponential, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Entry stage
share of companies by the stage of its first roundShow as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 67% |
| Series A | 33% |
| Series B | 0% |
| Growth | 0% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 0 | 0 |
| '24 | 0 | 0 |
| '25 | 1 | 0 |
| '26 | 2 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 15th | 8 companies |
| Recent activity | 76th | 3 rounds in 12 months |
| Early stage | 80th | 67% of entries at pre-seed or seed |
| Evidence | 95th | 25% of companies confirmed by a round |
| Sector focus | 54th | 31% in its largest sector |
| Reach | 19th | 1 country |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 31% | 18% |
| Healthcare & Biotech | 23% | 15% |
| Industrial & Manufacturing | 15% | 7% |
| Other | 8% | 0% |
| Education | 8% | 7% |
| Enterprise Software | 8% | 8% |
| Cybersecurity | 8% | 4% |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers8100%
- No longer answers00%
- Points to another company00%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Firgun Ventures | 3 |
| Science Creates Ventures | 2 |
| 24Haymarket | 1 |
| 2b AHEAD Ventures | 1 |
| Alpha Edison | 1 |
| Angel CoFund | 1 |
| Blackfinch Ventures | 1 |
| Britbots | 1 |
Co-investor network
who it backs companies with, and who they back togetherCompare Quantum Exponential head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with Quantum Exponential| Date | Company | Stage |
|---|---|---|
| 19 Aug 2026 | Seed | |
| 24 Feb 2026 | Seed | |
| 21 Nov 2025 | Series A |
Round details for Quantum Exponential
Amounts, full round histories and every co-investor in Quantum Exponential's rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
8 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Aegiq is building fault-tolerant quantum computers by combining deterministic photon-source technology with silicon photonics | Healthcare & BiotechAI & Machine Learning | Portfolio page | ||
| Delta.g develops quantum sensors that use gravity to unlock spatial intelligence for mapping, navigation, and subsurface discovery. | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| OQC builds quantum computers specifically engineered for commercial advantage and provides Quantum-Compute-as-a-Service | Enterprise SoftwareCybersecurity | Portfolio page | ||
| QLM monitors and quantifies methane emissions using quantum lidar technology | OtherEducation | Nov 2025Series A | Funding round | |
| Quantcore delivers high-quality, state-of-the-art quantum capability for the UK and beyond | Industrial & Manufacturing | Feb 2026Seed | Page + round | |
| Siloton specialises in miniaturised optical technology for medical imaging, using photonic chips and OCT to detect and monitor major diseases | Healthcare & Biotech | Portfolio page | ||
| Singular Photonics develops and produces image sensors based on single photon avalanche diode technology | Industrial & Manufacturing | Aug 2026Seed | Page + round | |
| Universal Quantum builds utility-scale quantum computers based on a robust, modular and practical blueprint | Healthcare & BiotechAI & Machine Learning | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- quantumexp.co.uk
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 21 Nov 2025
- Companies checked
- 8
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
Get Quantum Exponential's profile as data
Pull Quantum Exponential's portfolio, co-investors and changes through one API key or MCP, open every portfolio row, compare it with other firms, and get an email when it adds a company or files a fund.
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- AlertsFollow 5 investors for portfolio and fund changes
$ curl -H "X-API-Key: YOUR_KEY" \
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