Log inTry free
Theme

Quantum computing stocks

Companies whose main business is building quantum computers, the processors inside them, or the software that runs on them. Most are young, sell little so far, and fund their work by selling shares.

Today
-0.8%
on average, 6 of 8 down
Average score
0.5
Below Average. All stocks average 3.7.

Delayed 15+ min, as of 8:13 PM ET. Live for Pro members.

Highest Quality Scores

  1. HQHorizon Quantum HoldingsBuilds software tools that make quantum computers easier to program.+0.40%5
  2. IONQIonQSells quantum computers, plus quantum networking and sensing products.+0.30%4
  3. INFQInfleqtionDevelops neutral-atom quantum computers, quantum sensors, and software.-0.82%4
See all 8 ranked, live

Free for 24 hours. No account needed. Then keep going with a free account.

The other 5, by name

Open any stock for its score. Pro members see every stock ranked.

Pro

Here is what Pro members see.

Every theme has a page like this for Pro members, quantum computing stocks included: each stock ranked live by its Quality Score, with the reason it belongs.

The AI chips theme page a Pro member sees: every AI chip stock ranked live by Quality Score, each with what it does, its part of the theme, its price, the day's move, and its next report
The same page for Pro members, on AI chipsEach stock's price, move, next report, and Quality Score, live, with what it does in the theme.
The scanner's filters on a phone with Theme set to AI chips, under the sort, the minimum Quality Score, and the sector, over company size, and the button that shows the 14 matching stocks
The theme in the scannerPick Quantum computing under Theme in the scanner's filters, then narrow it by score, size, or any other filter.
The New alert form on a phone watching a saved scan, AI chips at Excellent and up, for when a name enters it, sent by the bell on the site, a push notification, and email, with the Save alert button
An optional theme alertAn optional alert when a quantum computing stock reaches Excellent, by push, email, or the bell.
  • Prices refresh every 2.5 seconds during market hours.
  • Optional alerts by push, email, or the bell.
  • Add it to your Home Screen and it opens like an app.

What moved today

Today, as of 8:13 PM ET, quantum computing stocks are down 0.8% on average, 6 of 8 down. Horizon Quantum Holdings (HQ) rose most, up 0.4%. Quantinuum (QNT) fell most, down 2.9%.

What moves quantum computing stocks

  • Government research contracts and funding bills
  • News of technical milestones, such as error rates and qubit counts
  • New share sales, which most of these companies use to pay for their work

What's next

Earnings reports across quantum computing stocks, the next 30 days

  • EarningsXNDUXanadu Quantum Technologies reports, after the close (estimated date)

What are quantum computing stocks?

Companies whose main business is building quantum computers, the processors inside them, or the software that runs on them. Most are young, sell little so far, and fund their work by selling shares.

How many quantum computing stocks are there?

This list has 8, the ones among the stocks Breakaway scores where the theme is the main business. Large companies with a quantum research program inside a bigger business, and companies that mention quantum computing only as a security risk.

Which quantum computing stocks have the highest Quality Score?

As of 8:13 PM ET: Horizon Quantum Holdings (HQ) 5, IonQ (IONQ) 4, and Infleqtion (INFQ) 4. Each stock's own page shows its score and the reasons behind it.

How this list is made

Quantum computers, quantum processors, or quantum software are its main business, by its own annual report or prospectus. Each company is checked against its own annual report, and the reason beside it says what it does in this theme. Last checked Oct 2 2026.

Related themes: AI chips, AI software, Cybersecurity. More in technology stocks, or every theme.

Every one of the 8, ranked.

Real-time prices, each stock's Quality Score, the theme's score over 60 sessions, every date ahead, the filing behind each company, and optional alerts.

See all 8 ranked, live

Free for 24 hours. No account needed. Then keep going with a free account.

Prices and scores on this page are delayed at least 15 minutes. Information, not advice.