v3.25.4

Consolidated Balance Sheets (Parenthetical) - GBP (£)	Dec. 31, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Common stock, par value (in pounds per share)	£ 0.002	£ 0.002
Authority to allot up to maximum nominal value	£ 149,633	£ 97,454
Common stock, shares issued (in shares)	50,689,271	50,064,860
Common stock, shares outstanding (in shares)	50,689,271	50,064,860
Deferred shares, par value (in pounds per share)	£ 0.0001	£ 0.0001
Deferred stock, shares authorized (in shares)	5,793,501	5,793,501
Deferred stock, shares issued (in shares)	5,793,501	5,793,501
Deferred stock, shares outstanding (in shares)	5,793,501	5,793,501
Number Of Authorized Shares Not Disclosed	false

The maximum amount authorized value of common shares allotted.

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Face amount or stated value per share of deferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

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The maximum number of nonredeemable deferred shares (or deferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

No definition available.

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Total number of nonredeemable deferred shares (or deferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related deferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of deferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable deferred stock (or deferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include deferred shares that have been repurchased.

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Number Of Authorized Shares Not Disclosed

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Face amount or stated value per share of common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Immunocore Holdings plc 10-K