FMR LLC reports 4.0% stake in Hayward Holdings

Rhea-AI Filing Summary

FMR LLC amends its Schedule 13G/A to report beneficial ownership of 8,650,791.17 shares of Hayward Holdings Inc. The filing (Amendment No. 6) shows 8,650,791.17 shares representing 4.0% of the class, with sole voting power of 8,624,653.00 and sole dispositive power of 8,650,791.17 as of 03/31/2026.

The amendment is signed by an authorized representative of FMR LLC and references a power of attorney and an Exhibit 99 13d-1(k)(1) agreement. The filing notes that no other single person is known to hold more than five percent of the commons stock.

Insights

Institutional Ownership Analyst

FMR LLC reports a 4.0% stake in Hayward Holdings as of 03/31/2026.

FMR LLC's filing lists 4.0% beneficial ownership equal to 8,650,791.17 shares, with sole voting power of 8,624,653.00 and sole dispositive power of 8,650,791.17. The amendment updates prior 13G disclosures and attaches a 13d-1(k)(1) agreement.

Holder-level control appears direct from the voting/dispositive figures; cash-flow treatment and trading plans are not included in the excerpt. Subsequent filings or exhibits may disclose any allocation among affiliated funds.

Key Figures

Beneficial ownership: 8,650,791.17 shares Percent of class: 4.0% Sole voting power: 8,624,653.00 shares +2 more

5 metrics

Beneficial ownership 8,650,791.17 shares reported as of 03/31/2026

Percent of class 4.0% percentage of common stock

Sole voting power 8,624,653.00 shares sole power to vote reported on cover

Sole dispositive power 8,650,791.17 shares sole power to dispose reported on cover

Amendment number Amendment No. 6 filing header

Key Terms

Schedule 13G/A, Beneficial ownership, 13d-1(k)(1) agreement, Sole dispositive power

4 terms

Schedule 13G/A regulatory

"Amendment No. 6) HAYWARD HOLDINGS INC COMMON STOCK"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficial ownership financial

"Amount beneficially owned: 8650791.17"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

13d-1(k)(1) agreement regulatory

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

Sole dispositive power financial

"Sole Dispositive Power 8,650,791.17"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does FMR LLC report in HAYW?

FMR LLC reports beneficial ownership of 8,650,791.17 shares, representing 4.0% of Hayward Holdings common stock as of 03/31/2026. The filing shows sole voting power of 8,624,653.00 and sole dispositive power of 8,650,791.17.

Who signed the Schedule 13G/A Amendment for HAYW?

The amendment is signed by Richard Bourgelas, as duly authorized under a power of attorney for FMR LLC and for Abigail P. Johnson. The signature block references a power of attorney effective April 13, 2026 and Exhibit 24 of a prior filing.

What date is the ownership reported as of in the HAYW filing?

The beneficial ownership figures are reported as of 03/31/2026. The Schedule 13G/A is labeled Amendment No. 6 and the signature block shows execution dated May 5, 2026, referencing the stated as-of date in the cover information.

Does the filing show any single other person with >5% of HAYW?

The filing states that one or more other persons may have rights to dividends or proceeds but that no single other person's interest in Hayward Holdings common stock exceeds 5 percent of the total outstanding common stock as reported in the excerpt.

What exhibits or agreements are referenced in the amendment?

The amendment references a power of attorney effective April 13, 2026 (incorporated by reference to Exhibit 24) and refers to Exhibit 99 for a 13d-1(k)(1) agreement, as noted in the signature and exhibit sections.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/06/2026 - 11:18 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 6)

HAYWARD HOLDINGS INC

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

421298100

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

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

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 421298100

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 8,624,653.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 8,650,791.17
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,650,791.17

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)

4.0 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP Number(s): 421298100

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 8,650,791.17
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,650,791.17

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)

4.0 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: HAYWARD HOLDINGS INC
(b)	Address of issuer's principal executive offices: 1415 VANTAGE PARK DRIVE,SUITE 400,CHARLOTTE,NC,USA,28203
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.: 421298100
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: 8650791.17
(b)	Percent of class: 4.0 %
(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: 8650791.17
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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 HAYWARD HOLDINGS INC. No one other person's interest in the COMMON STOCK of HAYWARD HOLDINGS INC 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:	Richard Bourgelas
Name/Title:	Duly authorized under Power of Attorney effective as of April 13, 2026, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Date:	05/05/2026

Abigail P. Johnson

Signature:	Richard Bourgelas
Name/Title:	Duly authorized under Power of Attorney effective as of April 13, 2026, by and on behalf of Abigail P. Johnson*
Date:	05/05/2026

Comments accompanying signature: *This power of attorney is incorporated herein by reference to Exhibit 24 to the Schedule 13G filed by FMR LLC on April 29,2026, accession number: 0000315066-26-000738.

Exhibit Information

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