Sivan L. Sack
Professional summary
Sivan Loren Sack, who also goes by Sivan Loren Krems, Sivan Krems, is a registered financial advisor currently at ALLIANCEBERNSTEIN L.P. located in San Francisco, California and SANFORD C. BERNSTEIN & CO., LLC located in San Francisco, California.
Sivan is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2017. Sivan has worked at 4 firms and has passed the Series 66, SIE and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Sivan Loren Sack's CRS (Customer Relationship Summary).
Certified licenses
Experience
August 22, 2023 - Present
ALLIANCEBERNSTEIN L.P.
Office #1: 555 California Street 44th Floor, San Francisco, CA, 94104August 22, 2023 - Present
SANFORD C. BERNSTEIN & CO., LLC
Office #1: 555 California Street 44th Floor, San Francisco, CA, 94104January 3, 2018 - October 29, 2021
BLACKROCK INVESTMENT MANAGEMENT, LLC
October 10, 2017 - October 29, 2021
BLACKROCK INVESTMENTS, LLC
Primary Firm SEC Registration
ALLIANCEBERNSTEIN L.P.
CRD#: 108477 / SEC#: 801-56720
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(8/22/2023)
(8/23/2023)
(5/22/2025)
(5/21/2025)
(5/23/2024)
Exams
FINRA
Current Firm
ALLIANCEBERNSTEIN L.P.
CRD#: 108477 / SEC#: 801-56720
Contact information
SEC notice filing (51 States and Territories)
Regulatory assets under management
| Total Number of Accounts | 68,593 |
| AUM (Assets Under Management) | $ 709,162,000,000 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 11/25/2024 | ||
| 10/27/2023 |
Red Flags
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