Exhibit 3.21

NINETEENTH AMENDMENT OF TWENTY-FIRST RESTATED
CERTIFICATE OF LIMITED PARTNERSHIP

OF

THE JONES FINANCIAL COMPANIES, L.L.L.P.

Theundersigned,forthepurposeofamendingtheTwenty-First Restated CertificateofLimitedPartnershipundertheMissouriRevised UniformLimited Partnership Act, states thefollowing:

(1) ThenameofthelimitedpartnershipisTheJonesFinancialCompanies,L.L.L.P., and the limited partnership's charter number isLP0000443.

(2) The partnership filed the Twenty-First Restated Certificate of Limited Partnership with the Missouri Secretary of State on January 25,2019.

(3) The Twenty-First Restated Certificate of Limited Partnership is hereby amended to reflect the general partner admission and withdrawal attached hereto on Exhibit A effective as of the date listed on ExhibitA.

Upontheadmission and withdrawalofsaidpartner,thenumberofgeneral partners is468.

In affirmation thereof, the facts stated above are true.

Dated: December 11, 2020

General Partner:

By _/s/ Penny Pennington_______________________________

Penny Pennington

Managing Partner/Authorized Person/Attorney-in-Fact

EXHIBIT A

Withdrawn General Partners:
Partner Name	Date Withdrawn as General Partner	Address 1 & 2	City, State & Zip
The Trevino Family Trust	12/1/2020	12555 Manchester Road	St. Louis, MO 63131
Admitted General Partners:
Partner Name	Date Admittedas General Partner	Address 1 & 2	City, State & Zip
The Trevino Family Trust Dated April 25, 2018	12/1/2020	12555 Manchester Road	St. Louis, MO 63131

Exhibit A to Nineteenth Amendment of Twenty-First Restated

Certificate of Limited Partnership of The Jones Financial Companies, L.L.L.P.
Page 1 of 1