Adviser and broker representative · William Blair
Jonathan T. Sackett
CRD 6544493 · New York, NY
At a glance
Jonathan T. Sackett is an investment adviser representative with William Blair in New York, NY, according to the SEC’s Investment Adviser Public Disclosure records. The earliest registration on Jonathan’s SEC record dates to 2017, about 9 years ago. Jonathan is also registered as a broker representative.
Current advisory firm
- William BlairSince July 2017New York, NY · $64B in regulatory assets
SEC adviser record
- Registered since
- 2017 (9 years)
- Designations
- None on file
- Exams
- Series 66
- Registered in
- 2 states
- Also a broker representative
- Yes
- Disclosures on record
- None
AtlasMembers
Jonathan’s office, career and moves
Their branch office with the firm’s business phone and website, every registration on their SEC record with dates, their employment history and outside business. Atlas members see all of it.
- Branch office address, business phone and website
- Locked
- Previous firms, with start and end dates
- Locked
- Employment history
- Locked
- States they’re registered in
- Locked
- Outside business activities
- Locked
- When they joined their current firm, and their firm’s growth
- Locked
Free while Atlas launches: create a free account and confirm your email. Every figure comes from SEC filings.
Something wrong? Ask for a correction. Source: the SEC’s Investment Adviser Public Disclosure records, as of October 2026. The full record, including any disclosure details, is on the SEC’s adviser search and FINRA BrokerCheck.
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