Private company · employee equity guide
What is Q-CTRL stock worth?
Make quantum technology useful. We are the first to achieve quantum advantage through AI-powered infrastructure software.
Estimated share price
Q-CTRL has an observed estimated price: most recent data 2026-09-15, daily history back to 2024-12-25.
Estimated from live trades and accepted bids across employer liquidity programs, institutional trades, broker trades, and pre-IPO marketplaces. Private shares are illiquid and transfer-restricted; estimates are educational, not an offer or advice. The preview above is blurred and illustrative. How this is calculated
About Q-CTRL
- Employees
- 209
- Founded
- 2017
- Industry
- Software Development, Technology, Information and Internet, Technology, Information and Media
- Website
- q-ctrl.com
Weighing a Q-CTRL offer?
Upload the offer letter to see what the equity is approximately worth at today's estimated price. No account needed.
X-ray an offerLeaving Q-CTRL? Mind the window.
If you hold options, leaving usually starts a post-termination exercise clock, often 90 days. Miss it and vested options can expire worthless; exercise blindly and you may owe real money (including possible AMT) on shares you can't yet sell. Neither panic nor autopilot is a plan. Knowing your window, your exercise cost, and the current estimated price is.
Q-CTRL in the last 12 months
- 1 partnership or customer win
Covered by 6 distinct publications since 2025-08-29.
Q-CTRL news timeline
- Nashik’s Sansmit Enterprises Partners with Australia’s Q-CTRL to Spearhead Quantum Technology Adoption in India2026-06-03Partnership or customer winnewsx.com
- World's first quantum navigation system flies aircraft without GPS2026-07-14interestingengineering.com
- Quantum computers could soon solve battlefield problems to win war2026-05-28interestingengineering.com
- Stop waiting for practical quantum computers, says Q2026-05-08siliconangle.com
- Q-CTRL claims quantum breakthrough could accelerate clean energy materials discovery2026-05-07scientific-computing.com
- Equal1 and Q-CTRL announce partnership to deliver fully autonomous, data centre-ready quantum computing2026-04-14scientific-computing.com
- Quantum Tech Beats Russian Satellite Jamming in New Arms Race2026-02-25newsweek.com
- Quantum Computing News: IBM and AMD Partner on Hybrid Systems, Q-CTRL Wins DARPA Contracts, Quantinuum Valued at $10 Billion2025-08-29markets.businessinsider.com
Q-CTRL equity, answered plainly
Is Q-CTRL a public company?
No. Q-CTRL is privately held, which is exactly why its share price doesn't show up in your brokerage app. The company (founded in 2017, operating in software development, with roughly 209 employees) remains private even at that scale. Its shares still change hands between eligible buyers and sellers on the secondary market, producing an observable estimated price.
What is Q-CTRL's stock price?
Q-CTRL has an observed estimated share price from secondary-market activity, updated as new data is observed. Its observed price history runs back to 2024-12-25. ExitCue members see the current estimate and its full history free, along with what their own grants are approximately worth at that price.
Can you sell Q-CTRL stock before an IPO?
Sometimes. Private-share sales depend on Q-CTRL's transfer restrictions, rights of first refusal, and whether the company runs tender offers or permits secondary sales. Your grant documents and the company's policies govern, but "hard to sell today" is not the same as "worth zero."
What happens to my Q-CTRL options if I leave?
Most option grants have a post-termination exercise window, commonly 90 days, sometimes longer, after which unexercised options expire worthless. The exact terms are in your grant documents. ExitCue reads those documents, tracks the deadline, and reminds you before the window closes.
How much is my Q-CTRL equity worth?
Multiply what you hold by the estimated share price, separating vested from unvested, and netting out strike prices for options. That's precisely the arithmetic ExitCue does for you, continuously, at the current observed estimate. It's an educational estimate, not a guarantee, and a far better anchor than the $0 the internet suggests.
What's the difference between Q-CTRL's 409A valuation and what its shares trade at?
The 409A is a tax-compliance appraisal, usually conservative, used to set option strike prices. Secondary-market pricing reflects what buyers and sellers actually agree to. The two frequently differ, which is why evaluating an offer on the 409A alone undersells (or oversells) it.
When will Q-CTRL IPO?
Unless Q-CTRL has publicly announced a listing, nobody knows, including the people who sound confident on forums. The practical upside of secondary markets is that you don't have to wait for an IPO to know approximately what the shares trade at.
Do my unvested Q-CTRL RSUs count for anything?
Unvested equity isn't yours yet, but it has an estimable value and a schedule. Seeing vested and unvested value separately, in dollars at the current estimated price, turns "some RSUs" into a number you can plan around.
General educational information, not advice about your specific situation. Grant terms vary; your documents govern.
Work out what your Q-CTRL equity is worth
These calculators take your own numbers and need no account.
- Option exercise costShares times strike: what exercising would cost, plus the estimated spread from your own value estimate.
- Vesting scheduleYour upcoming vest dates and cumulative vested shares from your start date, cliff, length, and frequency.
- Private stock scenarioEstimated value of your equity at low, mid, and high per-share scenarios you choose yourself.
New to this? Learn explains grant types, vesting and cliffs, and where an estimated share price comes from — in plain language.
Other private companies with observed prices
Company logos provided by Brandfetch.