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    Amendment: SEC Form SCHEDULE 13G/A filed by QuidelOrtho Corporation

    5/6/26 4:20:27 PM ET
    $QDEL
    Biotechnology: In Vitro & In Vivo Diagnostic Substances
    Health Care
    Get the next $QDEL alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 1)


    QuidelOrtho Corporation

    (Name of Issuer)


    Common Stock

    (Title of Class of Securities)




    219798105

    (CUSIP Number)
    04/29/2026

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox not checked   Rule 13d-1(b)
    Checkbox checked   Rule 13d-1(c)
    Checkbox not checked   Rule 13d-1(d)




    schemaVersion:


    SCHEDULE 13G

    CUSIP Number(s):
    219798105


    1Names of Reporting Persons

    Newtyn Management, LLC
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    NEW YORK
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    5,300,000.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    5,300,000.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    5,300,000.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    7.8 %
    12Type of Reporting Person (See Instructions)

    IA

    Comment for Type of Reporting Person:  See Item 2 for additional information.


    SCHEDULE 13G

    CUSIP Number(s):
    219798105


    1Names of Reporting Persons

    Newtyn TE Partners, LP
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    3,418,500.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    3,418,500.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    3,418,500.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    5.0 %
    12Type of Reporting Person (See Instructions)

    PN

    Comment for Type of Reporting Person:  See Item 2 for additional information.


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    QuidelOrtho Corporation
    (b)Address of issuer's principal executive offices:

    9975 Summers Ridge Road, San Diego, California 92121
    Item 2. 
    (a)Name of person filing:

    This report on Schedule 13G/A (as amended, this "13G") is being filed by (i) Newtyn Management, LLC, a New York limited liability company ("Newtyn Management"), and (ii) Newtyn TE Partners, LP, a Delaware limited partnership ("NTE", and collectively with Newtyn Management, the "Reporting Persons"). Newtyn Management is the investment manager to NTE and Newtyn Partners, LP, a Delaware limited partnership ("NP"). As of April 29, 2026, NTE held 3,418,500 shares of common stock (the "Common Stock") of QuidelOrtho Corporation (the "Issuer") and NP held 1,881,500 shares of Common Stock of the Issuer. Newtyn Management, as the investment manager to NTE and NP, may be deemed to beneficially own these securities. Accordingly, as of April 29, 2026, the Newtyn Management may be deemed to beneficially own the 5,300,000 shares of Common Stock of the Issuer held in the aggregate by NTE and NP. Beneficial ownership percentages are based upon approximately 68,081,767 million shares of Common Stock issued and outstanding as of February 11, 2026, based on information reported by the Issuer in its Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 19, 2026.
    (b)Address or principal business office or, if none, residence:

    The address for the Reporting Person is 60 East 42nd Street, 12th Floor, New York, NY 10165.
    (c)Citizenship:

    The Reporting Person is organized under the laws of the State of New York.
    (d)Title of class of securities:

    Common Stock
    (e)CUSIP No.:

    219798105
    Item 4.Ownership
    (a)Amount beneficially owned:

    Newtyn Management - 5,300,000.00 NTE - 3,418,500.00
    (b)Percent of class:

    Newtyn Management - 7.8 % NTE - 5.0%
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    Newtyn Management - 5,300,000.00 NTE - 3,418,500.00

     (ii) Shared power to vote or to direct the vote:

    Newtyn Management - 0.00 NTE - 0.00

     (iii) Sole power to dispose or to direct the disposition of:

    5 Newtyn Management - 5,300,000.00 NTE - 3,418,500.00

     (iv) Shared power to dispose or to direct the disposition of:

    Newtyn Management - 0.00 NTE - 0.00

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Not Applicable
    Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
     
    Not Applicable
    Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    Not Applicable
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

        SIGNATURE 
     
    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     
    Newtyn Management, LLC
     
    Signature:/s/ Eugene Dozortsev
    Name/Title:Eugene Dozortsev, Authorized Signatory
    Date:05/06/2026
     
    Newtyn TE Partners, LP
     
    Signature:/s/ Eugene Dozortsev
    Name/Title:Eugene Dozortsev, Authorized Signatory of Newtyn Management, LLC, the Investment Manager
    Date:05/06/2026
    Exhibit Information

    Exhibit 1 - Joint Filing Agreement, dated May 6, 2026, by and among Newtyn Management, LLC and Newtyn TE Partners, LP.

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