CPP Investment Board Private Form 3 Waystar Holding / PENSION PLAN INVESTMENT BOARD CANADA ownership change

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^*

CANADA PENSION PLAN INVESTMENT BOARD

(Last) (First) (Middle)

ONE QUEEN STREET EAST,

SUITE 2500

(Street)

TORONTO ONTARIO A6 M5C 2W5

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/07/2024

3. Issuer Name and Ticker or Trading Symbol
Waystar Holding Corp. [ WAY ]

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)
Common Stock	37,209,454	I	See footnote(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^*

CANADA PENSION PLAN INVESTMENT BOARD

(Last) (First) (Middle)

ONE QUEEN STREET EAST,

SUITE 2500

(Street)

TORONTO ONTARIO A6 M5C 2W5

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

CPP Investment Board Private Holdings (4) Inc.

(Last) (First) (Middle)

ONE QUEEN STREET EAST

STE 2500

(Street)

TORONTO A6 M5C 2W5

(City) (State) (Zip)

Explanation of Responses:

1. The securities reported herein are held directly by CPP Investment Board Private Holdings (4) Inc. ("Holdings (4)"), a wholly-owned subsidiary of Canada Pension Plan Investment Board ("CPPIB"). CPPIB is an indirect beneficial owner of such securities directly held by Holdings (4).

	CANADA PENSION PLAN INVESTMENT BOARD, By: /s/ Kathryn Daniels, Managing Director, Head of Compliance	06/07/2024
	CPP INVESTMENT BOARD PRIVATE HOLDINGS (4) INC., By: /s/ Ryan Barry, Director	06/07/2024
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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