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Not across the sector as a whole, according to the latest published figures—but funding is concentrated, and that can leave individual startups with very different prospects. Estimates show quantum investment rose sharply in 2025, while a large share went to a small number of deals. The available data does not establish how many private startups are close to insolvency or how much runway they have. Strong aggregate funding and financial strain at some companies can coexist; the totals alone cannot tell us which firms are running out of cash.
Is quantum startup funding drying up?
No sector-wide funding collapse is visible in the published 2025 estimates. McKinsey reports $12.6 billion invested in quantum technology startups in 2025, 6.3 times the 2024 amount. It says 90 percent went to quantum computing startups. Separately, the Quantum Economic Development Consortium (QED-C) reports $4.9 billion in new private venture capital in 2025, a 192 percent increase year over year, and $12.7 billion in new government funding commitments, up 310 percent.
Those figures should not be combined. McKinsey’s investment estimate and QED-C’s venture-capital and government-commitment figures use different scopes and methodologies. Government commitments are not necessarily cash already received by companies, and funding raised is not revenue available to pay every startup’s bills. The figures indicate substantial investment activity, not that every company has access to capital.
Why can a boom still leave startups short of cash?
Most investment is concentrated in a few large deals
McKinsey estimates that roughly 60 percent of quantum investment in 2025 went to the ten largest deals. Its report also describes valuations, talent, and access to increasingly expensive hardware and infrastructure concentrating among well-capitalized leaders. A growing sector total can therefore obscure how little funding is available to companies outside the biggest transactions.
European figures show a similar unevenness. The European Securities and Markets Authority (ESMA) reports that eight quantum computing companies each raised more than €100 million, while 52 other startups collectively attracted around €1 billion. That is evidence of a steep distribution of funding, not proof that all of the smaller companies are under immediate financial pressure.
Building quantum technology is expensive, while sales remain uncertain
Developing systems and supporting infrastructure can require substantial capital before a company has a mature product or recurring revenue. McKinsey says near- to medium-term return on investment is difficult to quantify and that most applications remain experimental or hybrid. That gap between investment needs and commercial returns can make a startup’s ability to raise another round important, even when the sector is attracting large sums overall.
Market growth forecasts are not a survival guarantee
QED-C describes the quantum computing market as $1.4 billion in 2025 and projects it will reach $3 billion by 2028. The 2028 figure is a forecast, not realized revenue or a promise that income will be distributed across all vendors. Market growth may create opportunities, but it does not establish that any particular startup can win customers, raise capital, or remain solvent.
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The numbers answer different questions, so they should be read separately rather than treated as one total.
| Measure | Reported figure | What it represents |
|---|---|---|
| Quantum technology startup investment | $12.6 billion in 2025; 6.3 times the 2024 amount | McKinsey’s estimate of investment, with 90 percent going to quantum computing startups. |
| New private venture capital | $4.9 billion in 2025; up 192 percent year over year | QED-C’s figure for new private VC, based on its 2026 report and data through the end of 2025. |
| New government funding commitments | $12.7 billion in 2025; up 310 percent year over year | QED-C’s commitments figure; commitments are not necessarily funding already paid to companies. |
| EU quantum computing startup fundraising | About €950 million across 25 deals in 2025 | ESMA’s region-specific figure; it is not a global total. |
These are not interchangeable measures: they differ by geography, category, and whether they count investment, venture capital, or public commitments. None states how much cash a typical startup has left.
Does the number of startups mean there are too many?
QED-C counted 556 pure-play quantum companies at the end of 2025. That is a count of companies, not a measure of how many can survive, how many have customers, or how many are at risk of failure. The available figures do not establish a sector-wide startup failure rate, typical private-company cash runway, or count of imminent insolvencies.
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ESMA reports that listed pure-play firms remain early in commercialization and operate at significant losses. That finding applies to the listed firms it discusses; it should not be generalized to every private startup. Assessing a specific company’s financial condition requires company-level evidence such as filings, audited accounts, financing announcements, or an explicit statement from management.
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Is consolidation evidence that startups are running out of money?
There was accelerated M&A activity in 2025, including multiple acquisitions by IonQ, according to McKinsey. QED-C describes mergers and acquisitions as a way for companies to expand market access, add enabling technologies, or broaden products. Consolidation is real, but these sources do not show that limited capital alone caused it. An acquisition can reflect strategic expansion as well as financial pressure; the transaction itself does not establish a target company’s solvency.
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Where can founders look for specialist quantum investors?
ESMA names Quantonation, Quantum Coast Capital, and 55 North as specialist investors in the field. It reports that Quantonation closed a €220 million early-stage quantum technology fund in February 2026, and that 55 North launched a fund with a €300 million target in 2025. These examples identify potential parts of the funding landscape, not confirmation that either fund is currently accepting applications or that a given startup qualifies. Founders should verify each investor’s current mandate, stage, geography, and process directly.
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