Jonathan I. Yokoyama
Professional summary
Jonathan Isamu Yokoyama, who also goes by Jon Isamu Yokoyama, Jonathan Yokoyama, is a registered financial advisor currently at PRINCIPAL SECURITIES, INC. located in San Diego, California.
Jonathan is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2015. Jonathan has worked at 5 firms and has passed the Series 66, Series 63, Series 7TO, SIE and Series 6 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Jonathan Isamu Yokoyama's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view Jonathan Isamu Yokoyama's CRS (Customer Relationship Summary).
Certified licenses
Experience
July 1, 2025 - Present
PRINCIPAL SECURITIES, INC.
Office #1: 4370 La Jolla Village Dr Ste 1025, San Diego, CA 92122June 30, 2025 - Present
PRINCIPAL SECURITIES, INC.
Office #1: 4370 La Jolla Village Dr Ste 1025, San Diego, CA 92122September 30, 2020 - July 1, 2025
MML INVESTORS SERVICES, LLC
March 2, 2020 - July 1, 2025
MML INVESTORS SERVICES, LLC
November 26, 2019 - March 3, 2020
BANKERS LIFE SECURITIES, INC.
December 9, 2015 - October 10, 2019
EQUITABLE ADVISORS, LLC
March 2, 2015 - December 4, 2015
WELLS FARGO CLEARING SERVICES, LLC
Primary Firm SEC Registration

PRINCIPAL SECURITIES, INC.
CRD#: 1137 / SEC#: 801-54949, 8-13975
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(6/30/2025)
(7/1/2025)
(6/30/2025)
(6/30/2025)
(6/30/2025)
(6/30/2025)
(6/30/2025)
(6/30/2025)
(8/11/2025)
(8/11/2025)
(6/30/2025)
Exams
Series 7TO
Date: 7/9/2019
General Securities Representative ExaminationFINRA
Current Firm

PRINCIPAL SECURITIES, INC.
CRD#: 1137 / SEC#: 801-54949, 8-13975
Contact information
SEC notice filing (51 States and Territories)
FINRA licenses (52 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| PRINCIPAL FINANCIAL SERVICES, INC. | OWNER | |
| AGRAWAL, VIVEK | DIRECTOR | 8050381 |
| CLAIRE, CHAD THOMAS | CHIEF INFORMATION OFFICER | 7219218 |
| DROGAN, THOMAS JOHN | CHIEF COMPLIANCE OFFICER | 2760482 |
| FRIEDRICH, AMY CHRISTINE | DIRECTOR | 7097797 |
| LAWLER, CODY ANTHONY | HEAD OF SUPERVISION, HEAD OF OPERATIONS | 5162072 |
| MCCULLUM, KENNETH ALLEN | DIRECTOR | 4695257 |
| MURRAY, MICHAEL FRANCIS | PRESIDENT/CHIEF EXECUTIVE OFFICER/CHAIR | 2074275 |
| RANTS, DOUGLAS JOHN | CHIEF INFORMATION SECURITY OFFICER | 7148529 |
| ROBERTS, DAWN MARIE | CHIEF FINANCIAL OFFICER | 7929617 |
| SCHELHAAS, NATHAN PAUL | DIRECTOR | 7275495 |
| SPADAFORA, CRAIG ALAN | SENIOR VICE PRESIDENT / HEAD OF ADVISORY AND PLATFORM | 3184320 |
| VANWINKLE, DANIEL SIMON | PSI AML OFFICER | 4715191 |
Regulatory assets under management
| Total Number of Accounts | 63,730 |
| AUM (Assets Under Management) | $ 14,827,718,110 |
Disclosures
| Regulatory Event | 9 |
| Arbitration | 3 |
| Bond | 3 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 09/26/2025 | ||
| 10/28/2024 | ||
| 11/28/2023 | ||
| 09/22/2023 | ||
| 12/20/2022 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
