Morgan Stanley

Morgan Stanley
Type	Public
Founded	1924 (Dean Witter & Co.) 1931 (Reynolds & Co.) September 16, 1935 (Morgan Stanley) 1971 (Reynolds Securities) 1978 (Dean Reynolds Organization) 1993 (Dean Witter, Discover & Co.) 1997 (Morgan Stanley Dean Witter & Discover Co.) 1998 (Morgan Stanley Dean Witter) 2001 (Morgan Stanley)
Headquarters	New York City, New York, U.S.
Key people	Dean G. Witter (Dean Witter & Co.) Guy Witter (Dean Witter & Co.) Jean Witter (Dean Witter & Co.) Richard S. Reynolds, Jr. (Reynolds & Co.) Charles H. Babcock (Reynolds & Co.) Thomas F. Staley (Reynolds & Co.) Henry Sturgis Morgan (Morgan Stanley) Harold Stanley (Morgan Stanley)
Industry	Investment, financial services
Products	Investment, financial services
Number of people	80,257
Website	https://www.morganstanley.com/

Morgan Stanley is an American investment and financial services company headquartered in New York City, New York, United States.

Dean Witter & Co.

In 1924, Dean Witter & Co. was founded by Dean Witter, his brother Guy Witter, and cousin Jean Witter in San Francisco, California, United States, as a retail brokerage firm.

Reynolds & Co.

In 1931, Reynolds & Co. was founded by Richard S. Reynolds Jr., Charles H. Babcock, and Thomas F. Staley in New York City, New York, United States, as a financial security business.

Morgan Stanley

Banking Act of 1933 separated commercial and investment banking. Because of this, J.P. Morgan & Co. had to split. J.P. Morgan & Co. retained its commercial banking business.

Some employees of J.P. Morgan & Co. left the company and formed Morgan Stanley, an investment banking company founded by Henry S. Morgan and Harold Stanley on September 16, 1935.

Reynolds Securities

Reynolds & Co. was incorporated as Reynolds Securities in 1971.

Dean Reynolds Organization

In 1978, Dean Witter & Co. merged with Reynolds Securities to become Dean Reynolds Organization Inc. At the time it was the largest securities merger in United States history.

Sears acquisition and Dean Witter, Discover & Co.

Sears acquired the Dean Reynolds Organization in 1981. It was spun-off from Sears as Dean Witter, Discover & Co. in 1993.

Morgan Stanley and Dean Witter & Discover Co. merger

Morgan Stanley merged with Dean Witter & Discover Co. to form Morgan Stanley Dean Witter & Discover Co. in 1997.

Morgan Stanley Dean Witter

Morgan Stanley Dean Witter & Discover Co. was shortened to Morgan Stanley Dean Witter in 1998.

Morgan Stanley

Morgan Stanley Dean Witter was further shortened to Morgan Stanley in 2001.

Morgan Stanley innovations

Title	Developer	Released	Notes
A+	Arthur Whitney	1988	Programming language.