Lieng I. Ouk
Professional summary
Lieng I Ouk, who also goes by Lieng I Nothnagle, Lieng Nothnagle, Leangim Ouk, Leang Im Ouk, is a registered financial advisor currently at CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. located in Fairfield, Iowa and CAMBRIDGE INVESTMENT RESEARCH, INC. located in Fairfield, Iowa.
Lieng is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2017. Lieng has worked at 4 firms and has passed the Series 66, Series 63, SIE, Series 7, Series 24, Series 10 and Series 9 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Lieng I Ouk's CRS (Customer Relationship Summary).
Certified licenses
Experience
June 12, 2025 - Present
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
Office #1: 1776 Pleasant Plain Road, Fairfield, IA 52556Office #3: 2700 North Central Avenue 12th Floor, Phoenix, AZ, 85004October 25, 2022 - Present
CAMBRIDGE INVESTMENT RESEARCH, INC.
Office #1: 1776 Pleasant Plain Rd., Fairfield, IA 52556-8757Office #2: 2700 North Central Avenue 12th Floor, Phoenix, AZ, 85004November 15, 2021 - March 9, 2022
MORGAN STANLEY
August 16, 2017 - October 21, 2021
CHARLES SCHWAB & CO., INC.
Primary Firm SEC Registration
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CRD#: 134139 / SEC#: 801-63930
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(10/26/2022)
(6/18/2025)
(10/25/2022)
(6/12/2025)
Exams
FINRA
Current Firm
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CRD#: 134139 / SEC#: 801-63930
Contact information
SEC notice filing (53 States and Territories)
Regulatory assets under management
| Total Number of Accounts | 438,414 |
| AUM (Assets Under Management) | $ 102,413,096,032 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 12/09/2024 | ||
| 04/29/2024 |
Red Flags
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