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

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1. Name and Address of Reporting Person* ADVENT INTERNATIONAL CORP/MA (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 12/23/2019	3. Issuer Name and Ticker or Trading Symbol AquaVenture Holdings Ltd [ WAAS ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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)
No securities are beneficially owned(1)	0	D(1)

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* ADVENT INTERNATIONAL CORP/MA (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent Partners GPE VIII-A Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent Partners GPE VIII-B Cayman Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent Partners GPE VIII Cayman Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent Partners GPE VIII Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent International GPE VIII-A Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent International GPE VIII-E Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent International GPE VIII-G Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent International GPE VIII-K Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Advent International GPE VIII-L Limited Partnership (Last) (First) (Middle) 800 BOYLSTON STREET (Street) BOSTON MA 02199 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Each of the Reporting Persons may be deemed to have become a 10% Owner of the Issuer in connection with the entry into of certain Voting Agreements dated December 23, 2019 (the "Voting Agreements"), by and between Culligan International Company, on the one hand, and each of Douglas Brown and Element Partners (each, a "Stockholder"), representing an aggregate of 11,269,2014 shares of Issuers ordinary shares beneficially owned by the Stockholders. The Voting Agreements were entered into in connection with the Agreement and Plan of Merger dated December 23, 2019, by and among Culligan International Company, Amberjack Merger Sub Limited and the Issuer. The Reporting Persons exercise voting power in limited situations over such shares of the Issuer's ordinary shares through the grant of an irrevocable proxy by each of the Stockholders in the Voting Agreements. The Reporting Persons have no pecuniary interest in any of such shares of Issuer's common stock.

Remarks:

Exhibit 99.1 (Joint Filer Information) is incorporated herein by reference. This Form 3 is the first of two Forms 3 being filed relating to the same event. The Form 3 has been split into two filings because there are more than 10 Reporting Persons in total, and the SEC's EDGAR filing system limits a single Form 3 to a maximum of 10 Reporting Persons.

	ADVENT INTERNATIONAL CORPORATION /s/ James Westra Name: James Westra Title: General Counsel and Managing Partner	01/02/2020
	** 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).
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