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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  ONEX CORP
2. Date of Event Requiring Statement (Month/Day/Year)
07/21/2021
3. Issuer Name and Ticker or Trading Symbol
RYAN SPECIALTY GROUP HOLDINGS, INC. [RYAN]
(Last)
(First)
(Middle)
161 BAY STREET, SUITE 4900
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

TORONTO, A6 M5J 2S1
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
ONEX CORP
161 BAY STREET, SUITE 4900
TORONTO, A6 M5J 2S1
  X      
SCHWARTZ GERALD W
161 BAY STREET
TORONTO, A6 M5J 2S1
  X      
Onex RSG LP
712 FIFTH AVENUE, 40TH FLOOR
NEW YORK, NY 10019
  X      
Onex RSG Holdings LP
712 FIFTH AVENUE, 40TH FLOOR
NEW YORK, NY 10019
  X      
Onex RSG GP Inc.
712 FIFTH AVENUE, 40TH FLOOR
NEW YORK, NY 10019
  X      
Onex Private Equity Holdings LLC
165 W CENTER STREET, SUITE 401
MARION, OH 43302
  X      

Signatures

Onex Corporation, /s/ Andrea E. Daly, Managing Director - General Counsel of Onex Corporation 07/21/2021
**Signature of Reporting Person Date

Onex RSG LP, /s/ Todd Clegg, Vice President of Onex RSG GP Inc., the general partner of Onex RSG LP 07/21/2021
**Signature of Reporting Person Date

Onex RSG Holdings LP, /s/ Todd Clegg, Vice President of Onex RSG GP Inc., the general partner of Onex RSG Holdings LP 07/21/2021
**Signature of Reporting Person Date

Onex RSG GP Inc., /s/ Todd Clegg, Vice President of Onex RSG GP Inc. 07/21/2021
**Signature of Reporting Person Date

Onex Private Equity Holdings LLC, /s/ Joshua Hausman, Director of Onex Private Equity Holdings LLC 07/21/2021
**Signature of Reporting Person Date

Gerald W. Schwartz, /s/ Andrea E. Daly, attorney-in-fact for Gerald W. Schwartz 07/21/2021
**Signature of Reporting Person Date

Explanation of Responses:

No securities are beneficially owned

* 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).
 
Remarks:
As of the date hereof, no securities of the Issuer are beneficially owned by the Reporting Persons.  Robert LeBlanc currently serves on the board of directors of the Issuer as the Reporting Persons' representative, and therefore each of the Reporting Persons may be deemed a "director by deputization" of the Issuer.

Power of Attorney incorporated by reference to Exhibit 99.3 to Amendment No. 1 to Schedule 13G filed with the Securities and Exchange Commission with respect to Fly Leasing Limited on April 3, 2017.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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