| 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.:
|
| 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
|
Rule 13d-1(b)
Rule 13d-1(c)