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IonQ will pay up to $1.3 billion in stock for Elisity, a microsegmentation company

IonQ agreed to buy cybersecurity firm Elisity for up to $1.3 billion in stock, including up to $150 million in earn-outs. IonQ says the purchase opens enterprise and government channels for its quantum offerings.

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Illustration accompanying IonQ will pay up to $1.3 billion in stock for Elisity, a microsegmentation company
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New IonQ shares for Elisity vary with the price used Shares IonQ would issue if the full deal value were settled at the ends of the price range, plus earn-outs and Elisity's customer deployments.

Key figures: about 39.3 million new IonQ shares at $33.07 a share, or about 26.2 million at $49.61; up to $150 million in earn-outs tied to Elisity's performance; more than 100 Elisity customer deployments, IonQ said.

New IonQ shares for Elisity vary with the price used
FigureValueNoteClaim
New IonQ shares if full value paid at $33.07, about39.3 million sharesabout 26.2 million at $49.6115
Earn-outs, up to150 million dollars2
Deployments, over100 IonQ said4

What happened

  • The number of IonQ shares to be issued will be calculated at a price between $33.07 and $49.61 per share.
  • Elisity was founded in 2019 and has more than 100 customer deployments, and IonQ says it has doubled its revenue and customer base year over year.
  • Elisity describes its product as identity-based microsegmentation designed to contain lateral movement across networks, according to runtimewire.
  • IonQ expects the deal to close in the fourth quarter of 2026, subject to regulatory approval.

Why it matters

  • What doesn't add up contradiction IonQ says the deal helps customers prepare for attacks from future quantum computers, but runtimewire puts microsegmentation in a separate category from post-quantum cryptography.
  • What it costs cost Existing IonQ holders absorb the dilution: roughly 26.2 million to 39.3 million new shares if the full $1.3 billion is settled in stock at the endpoints of the range.
  • Who's exposed exposure About $1.15 billion of the headline value is not an earn-out. The remaining $150 million, about 11.5%, depends on how Elisity performs.

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Confirmed5 publishers

Segmentation and encryption sit on different layers, and that decides how much of the quantum story this deal carries. Containing lateral movement limits what an intruder can reach after getting inside a network [11]. The threat IonQ's chief executive describes works on the cipher. "Q-Day is coming much faster than predicted," Niccolo de Masi said, referring to the point when quantum computers could break widely used encryption [8]. In our view, a policy that limits movement does little against an attacker who can read protected traffic without moving anywhere.

Bloomberg's stated aim, as relayed by runtimewire, is to expand IonQ's cybersecurity platform against AI-assisted attacks and emerging quantum threats [6]. We'd call that a platform thesis: one vendor, several security products, one set of buyers. For the channel argument to hold, the people who deploy Elisity would have to buy IonQ's quantum offerings through the same relationships. Elisity CEO James Winebrenner will continue to lead the business after the deal closes [10].

The price range is wide. The top of it, $49.61, is 1.5 times the bottom, $33.07, so the number of shares IonQ issues can differ by half depending on where the price lands [16]. IonQ did not disclose Elisity's revenue or how the price inside that range is set. Without revenue, the only measure of scale on offer is the deployment count.

What to watch

  • Whether IonQ's closing documents or product announcements describe any post-quantum feature in Elisity's product.
  • Where IonQ's share price falls inside the $33.07 to $49.61 range, since that sets the share count.
  • Whether Elisity's revenue and the earn-out targets are disclosed before the fourth-quarter close.

Clarity's read

What the record supports and how the coverage leans. The claims behind it follow.

Reality

Evidence68
Adoption35
Hype gap+30
Incentives66
Confidence75

Perspective Coverage

18 publishers
Builder
Builder 20%
Operator
Operator 34%
Investor
Investor 46%
Why these scores

Claim ledger

Ranked by verification strength, evidence, and original report placement.

  1. [1]

    IonQ said on Monday it would buy cybersecurity firm Elisity in an all-stock deal valued at up to $1.3 billion.

    Reported SupportedView cited source
  2. [2]

    The deal value includes up to $150 million in earn-outs tied to Elisity's performance.

    Reported SupportedView cited source
  3. [3]

    The number of IonQ shares to be issued will be calculated at a price between $33.07 and $49.61 per share.

    Reported SupportedView cited source
  4. [4]

    Elisity, founded in 2019, has more than 100 customer deployments worldwide and has doubled its revenue and customer base year-over-year, IonQ said.

    Reported Supported Source: IonQView cited source
  5. [5]

    IonQ said the acquisition would provide it with expanded channels to bring its quantum offerings to both enterprise and government customers.

    Reported Supported Source: IonQView cited source
  6. [6]

    Bloomberg says the acquisition is intended to expand IonQ's cybersecurity platform against AI-assisted attacks and emerging quantum threats.

    Reported Supported Source: Bloomberg, as relayed by runtimewireView cited source
  7. [7]

    IonQ said the acquisition would help customers deal with current threats and prepare for attacks from future quantum computers.

    Reported Supported Source: IonQView cited source
  8. [8]

    "Q-Day is coming much faster than predicted," IonQ CEO Niccolo de Masi said, referring to the point when quantum computers could break widely used encryption.

    Reported Supported Source: Niccolo de Masi, IonQ CEOView cited source
  9. [9]

    The transaction is expected to close in the fourth quarter of 2026, subject to regulatory approval.

    Reported SupportedView cited source
  10. [10]

    Elisity CEO James Winebrenner will continue to lead the acquired business after the deal closes.

    Reported SupportedView cited source
  11. [11]

    Elisity describes its product as identity-based microsegmentation designed to contain lateral movement across networks.

    Reported Supported Source: runtimewire, citing Elisity's own descriptionView cited source
  12. [12]

    Identity-based microsegmentation is a separate category from post-quantum cryptography.

    Reported Supported Source: runtimewireView cited source
  13. [13]

    About $1.15 billion of the headline value is not an earn-out.

    Derived Supported
  14. [14]

    Earn-outs are about 11.5% of the headline value.

    Derived Supported
  15. [15]

    If the full $1.3 billion were settled in shares at the endpoints of the price range, IonQ would issue about 26.2 million shares at $49.61 and about 39.3 million at $33.07.

    Derived Supported
  16. [16]

    The top of the price range is 1.5 times the bottom, so the implied share count differs by a factor of 1.5 across the range.

    Derived Supported
  17. [17]

    IonQ completed its acquisition of chipmaker SkyWater Technology earlier this year to bring semiconductor manufacturing in-house and boost development of its next-generation quantum processors.

    Reported ContestedView cited source

Sources

16 independent publishers whose own reporting we read for this story.

  1. channelnewsasia.com

    1 article · October 12, 2026

    IonQ to buy cybersecurity firm Elisity in up to $1.3 billion deal
  2. cnbc.com

    1 article · October 12, 2026

    IonQ to acquire cybersecurity firm Elisity in an all-stock deal for up to $1.3 billion
  3. cyberscoop.com

    1 article · October 12, 2026

    IonQ to buy zero-trust security firm Elisity in deal valued at up to $1.3 billion
  4. dev.to

    1 article · October 13, 2026

    IonQ's $1.3 Billion Zero Trust Deal Sells Fear, Not Qubits
  5. economictimes.indiatimes.com

    1 article · October 12, 2026

    IonQ to buy cybersecurity firm Elisity in up to $1.3 billion deal - The Economic Times
  6. en.sedaily.com

    1 article · October 13, 2026

    IonQ to Buy Cybersecurity Startup Elisity for $1.3 Billion
  7. fintech.global

    1 article · October 13, 2026

    IonQ’s $1.3bn Elisity deal targets the quantum threat era
  8. fool.com

    1 article · October 12, 2026

    Why IonQ Stock Fell 10% Today | The Motley Fool
  9. ionq.com

    1 article

    IonQ | IonQ to Acquire Elisity for $1.3B to Advance Quantum Security
  10. proactiveinvestors.com

    1 article · October 12, 2026

    IonQ shares fall as quantum computing group agrees $1.3bn cybersecurity deal
  11. pulse2.com

    1 article · October 12, 2026

    IonQ To Acquire Elisity In Deal Valued At Up To $1.3 Billion To Expand Quantum Security Platform
  12. qz.com

    1 article · October 12, 2026

    IonQ is buying cybersecurity firm Elisity for up to $1.3 billion
  13. runtimewire.com

    1 article · October 12, 2026

    IonQ agrees to buy cybersecurity company Elisity for up to $1.3B
  14. scworld.com

    1 article · October 13, 2026

    IonQ to acquire Elisity for $1.3 billion to bolster quantum security
  15. securityweek.com

    1 article · October 12, 2026

    IonQ to Acquire Zero Trust Firm Elisity for Up to $1.3 Billion
  16. seekingalpha.com

    1 article · October 12, 2026

    IonQ buys cybersecurity firm Elisity in $1.3B all-stock deal (IONQ:NYSE) | Seeking Alpha
  17. siliconangle.com

    1 article · October 12, 2026

    Quantum computer maker IonQ to buy cybersecurity startup Elisity for $1.3B
  18. thenextweb.com

    1 article · October 12, 2026

    IonQ to buy cybersecurity firm Elisity for up to $1.3bn in stock

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