John J Grein

CRD 1256642 · Merrill Lynch, Pierce, Fenner & Smith Incorporated · Garden City, NY

IA RegisteredBroker

Also appears in the source record as: John Joseph Grein III; John Joseph Grein III III

Registration & licensing

As recorded in SEC IAPD / FINRA BrokerCheck

Broker-dealer registration: Active
Investment adviser registration: Active
Exams passed (12): Series 52TOSIESeries 3Series 7Series 9Series 10Series 8Series 53Series 24Series 66Series 65Series 63
Registered states (37): Alabama · Arizona · California · Colorado · Connecticut · Delaware · District Of Columbia · Florida · Georgia · Hawaii · Illinois · Indiana · Kansas · Maine · Maryland · Massachusetts · Michigan · Minnesota · Missouri · Nevada · New Hampshire · New Jersey · New York · North Carolina · Ohio · Oregon · Pennsylvania · Rhode Island · South Carolina · South Dakota · Tennessee · Texas · Vermont · Virginia · Washington · Wisconsin · Wyoming
Years in the industry (source record): 40
Professional designations: Not yet retrieved from the source record

Disclosures

Copied from the official record

No disclosure events are flagged in the source record as of Aug 20, 2026.

This reflects our copy of the record on that date only. Confirm the current position on FINRA BrokerCheck ↗ or SEC IAPD ↗.

Current firm

From the firm record

Firm: Merrill Lynch, Pierce, Fenner & Smith Incorporated
Firm CRD: 7691
SEC number: 801-14235
Assets under management: $1.8T as of Jun 29, 2026
Website: www.merrilledge.com/GUIDED-INVESTING ↗
Phone: 800-637-7455
Firm location: New York, NY, 10036

Employment history (14)

From the source registration record · current first

Merrill Lynch, Pierce, Fenner & Smith IncorporatedCurrent
Garden City, NY · IA capacity

start not retrieved → present
Merrill Lynch, Pierce, Fenner & Smith IncorporatedCurrent
Garden City, NY · BC capacity

start not retrieved → present
Advest, Inc.
Hartford, CT · BC capacity

Aug 9, 2004 → Mar 8, 2006
Citigroup Global Markets Inc.
New York, NY · BC capacity

Aug 7, 1997 → Aug 17, 2004
Prudential Securities Incorporated
New York, NY · BC capacity

Oct 11, 1996 → Aug 1, 1997
Furman Selz LLC
New York, NY · BC capacity

Jan 22, 1996 → Jul 25, 1996
Sanwa Universal Securities Co.
New York, NY · BC capacity

Oct 15, 1992 → Oct 20, 1995
Sanwa Securities (USA) Co., L.P.
New York, NY · BC capacity

Oct 15, 1992 → Oct 20, 1995
Discount Corporation Of New York Futures
BC capacity

Nov 10, 1988 → Dec 2, 1992
Painewebber Incorporated
Weehawken, NJ · BC capacity

Aug 3, 1992 → Oct 22, 1992
Discount Corporation Of New York
BC capacity

Jul 25, 1987 → Jun 4, 1992
Discount Corporation Of New York Municipals
BC capacity

Apr 1, 1987 → Jan 9, 1990
Wm. E. Pollock & Co., Inc.
BC capacity

Jul 12, 1985 → Nov 1, 1985
Kenney & Branisel Municipals, Inc.
BC capacity

May 22, 1984 → Jun 24, 1985

Source & corrections

Where this page comes from

Advisor registration data on this site is reproduced from the SEC's Investment Adviser Public Disclosure (IAPD) system and FINRA's BrokerCheck. Those systems are the official records; this site is not. We do not alter the factual content of the records we reproduce.

SEC IAPD record for CRD 1256642 ↗ FINRA BrokerCheck record for CRD 1256642 ↗ BrokerCheck Terms of Use ↗ Report a data error on this page →

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