SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5

1. Name and Address of Reporting Person* ATLAS Infrastructure Partners (UK) Ltd. (Last) (First) (Middle) 1ST FLOOR WEST 1-3 COLLEGE HILL (Street) LONDON EC4R 2RA (City) (State) (Zip) UNITED KINGDOM (Country)	2. Date of Event Requiring Statement (Month/Day/Year) 03/04/2026	3. Issuer Name and Ticker or Trading Symbol H2O AMERICA [ HTO ] Foreign Trading Symbol
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) Other (specify below) N/A	5. If Amendment, Date of Original Filed (Month/Day/Year) 04/08/2026
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* ATLAS Infrastructure Partners (UK) Ltd. (Last) (First) (Middle) 1ST FLOOR WEST 1-3 COLLEGE HILL (Street) LONDON EC4R 2RA (City) (State) (Zip) UNITED KINGDOM (Country)

1. Name and Address of Reporting Person* GIP ATLAS Holdings Ltd (Last) (First) (Middle) 1ST FLOOR WEST, 1-3 COLLEGE HILL (Street) LONDON EC4R 2RA (City) (State) (Zip) UNITED KINGDOM (Country)

Explanation of Responses:

Remarks:

The purpose of this amendment is to withdraw the Form 3 filed on April 8, 2026 because the Reporting Person is not, and at no time was, a 10% owner of the Issuer due to the application of an exemption under Rule 16a-1(a)(1) under the Securities Exchange Act of 1934. the Reporting Person, which is registered as an investment adviser under Section 203 of the Investment Advisers Act of 1940, does not have beneficial ownership of the Issuer's common stock (the "Shares") pursuant to Rule 16a-1(a)(1)(v). the Reporting Person did not acquire any Shares with the purpose or effect of changing or influencing control of the Issuer or engaging in any arrangement subject to Rule 13d-3(b). Any Shares held by the Reporting Person are held for the benefit of third-party investors.

No securities are beneficially owned.

	/s/ Toni Rizk	08/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.