FMR LLC discloses 7.3% Waystar Holding Corp (WAY) stake in 13G

Rhea-AI Filing Summary

FMR LLC has filed a Schedule 13G reporting beneficial ownership of 13,949,108.96 shares of Waystar Holding Corp common stock, representing 7.3% of the class as of 12/31/2025. The filing lists FMR LLC as a Delaware parent holding company or control person.

Abigail P. Johnson is also reported as a beneficial owner of the same 13,949,108.96 shares with sole dispositive power and no voting power. The securities are certified as acquired and held in the ordinary course of business, not for the purpose of changing or influencing control of Waystar.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

WAYSTAR HOLDING CORP

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

946784105

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 946784105

1

Names of Reporting Persons

FMR LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 13,934,767.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 13,949,108.96
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

13,949,108.96

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

7.3 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No. 946784105

1

Names of Reporting Persons

Abigail P. Johnson

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 13,949,108.96
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

13,949,108.96

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

7.3 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: WAYSTAR HOLDING CORP
(b)	Address of issuer's principal executive offices: 1550 DIGITAL DRIVE,#300,LEHI,UT,US,84043
Item 2.
(a)	Name of person filing: FMR LLC
(b)	Address or principal business office or, if none, residence: 245 Summer Street, Boston, Massachusetts 02210
(c)	Citizenship: Not applicable
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP No.: 946784105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 13949108.96
(b)	Percent of class: 7.3 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Please see the responses to Items 5 and 6 on the cover page.
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 13949108.96
	(iv) Shared power to dispose or to direct the disposition of: 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.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. One or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the COMMON STOCK of WAYSTAR HOLDING CORP. No one other person's interest in the COMMON STOCK of WAYSTAR HOLDING CORP is more than five percent of the total outstanding COMMON STOCK.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See attached Exhibit 99.
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 acquired and are held in the ordinary course of business and 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.

FMR LLC

Signature:	Stephanie J. Brown
Name/Title:	Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Date:	02/04/2026

Abigail P. Johnson

Signature:	Stephanie J. Brown
Name/Title:	Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**
Date:	02/04/2026

Comments accompanying signature: * This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on January 10, 2023, accession number: 0000315066-23-000003. ** This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on January 31, 2023, accession number: 0000315066-23-000038.

Exhibit Information

Please see Exhibit 99 for 13d-1(k) (1) agreement.

FAQ

How many Waystar (WAY) shares does FMR LLC report owning in this Schedule 13G?

FMR LLC reports beneficial ownership of 13,949,108.96 shares of Waystar Holding Corp common stock. This stake represents 7.3% of the company’s outstanding common stock as of December 31, 2025, based on the ownership details disclosed in the filing.

What percentage of Waystar Holding Corp (WAY) does FMR LLC’s stake represent?

FMR LLC’s reported stake represents 7.3% of Waystar Holding Corp’s outstanding common stock. This percentage is calculated and disclosed directly in the ownership section of the Schedule 13G, reflecting FMR’s position as a significant but non-controlling shareholder in the company.

What voting and dispositive powers over Waystar (WAY) shares does FMR LLC report?

FMR LLC reports 13,934,767 shares with sole voting power and 13,949,108.96 shares with sole dispositive power, with no shared voting or dispositive power. This means FMR alone can vote most of the shares and decide how all reported shares are disposed.

How is Abigail P. Johnson related to the Waystar (WAY) stake in this Schedule 13G?

Abigail P. Johnson is listed as a separate reporting person, with 13,949,108.96 Waystar shares beneficially owned and sole dispositive power but no voting power. Her inclusion reflects control-person status tied to the same block of shares reported by FMR LLC.

Does FMR LLC state any intent to influence control of Waystar Holding Corp (WAY)?

The certification states the Waystar shares were acquired and are held in the ordinary course of business, and not for changing or influencing control of the issuer. It also notes they are not held in connection with any control-related transaction, except certain nomination activities.

Who else may benefit economically from FMR LLC’s Waystar (WAY) holdings?

The filing notes that one or more other persons have rights to receive dividends or sale proceeds from Waystar common stock held by FMR-related entities. However, no single such person has an interest exceeding 5% of Waystar’s total outstanding common stock.