Siena S Pike
Investment Adviser Representative at Morgan Stanley
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Siena S. Pike is an investment adviser representative with Morgan Stanley in New York, NY, where they have been registered since 2025. They have worked in the securities industry since 2022. They have passed 4 industry qualification exams, including the Series 66 (combined investment adviser and state securities agent), Series 7 (general securities representative), and Series 63 (state securities agent). They are registered to provide investment advice in New York and Texas.
Office
Advisors at this office: 80
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- New York, Texas
- Broker:
53 states and territories
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virgin Islands, Virginia, Washington, West Virginia, Wisconsin, Wyoming
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Morgan StanleyAug 2022 – no end date reportedNew York, NY
- Italy-America Chamber of CommerceSep 2019 – Jul 2022New York, NY
- UnfpaJun 2019 – Aug 2019New York, NY
- Crime Victim CenterMay 2018 – Aug 2018St. Louis, MO
- Westminster Parliament House of LordsJun 2017 – Jul 2017London
- Washington University in St. LouisAug 2018 – May 2019St. Louis, MO
- Washington University in St. LouisAug 2017 – May 2018St. Louis, MO
- Washington University in St. LouisAug 2016 – May 2017St. Louis, MO
Official records & sources
Data as of June 28, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Morgan Stanley
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
- Commissions
- Fixed fee
- Performance-based fees
- Other
- Firm account minimum
- $10,000 (waivable)
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Client types the firm serves
Firm assets under management
$25B+
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 23,008
- Offices listed on AdvisorFinder:
- 26
- Main office:
- Purchase, NY
- SEC file number:
- 801-70103
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of September 28, 2026
View full firm profileOther advisors at Morgan Stanley
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Siena S Pike has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
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