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|Wholly owned subsidiary|
|Genre||Insurance and financial services|
|Headquarters||601 Congress Street|
Boston, Massachusetts, US
|Marianne Harrison, President and Chief Executive Officer|
|Products||Life insurance, mutual funds, Long term care insurance, Retirement plan services, College savings plans|
In 2004, John Hancock was acquired by the Canadian life insurance company Manulife Financial. The company and the majority of Manulife's U.S. assets continue to operate under the John Hancock name.
This section is in a list format that may be better presented using prose. (October 2018)
- April 21, 1862, the charter of the John Hancock Mutual Life Insurance Company was approved by John A. Andrew, governor of Massachusetts.
- John Hancock advertisements and newspaper articles from the 1930s refer to it as the "John Hancock Life Insurance Company".
- 1940s source refer to it as the "John Hancock Mutual Life Insurance Company".
- A July 2, 1998, Boston Herald story, John Hancock Mutual Life Insurance Co. chairman, is quoted: "We have always said quite clearly that we are not for sale," [Stephen L.] Brown said, moving to kill speculation about possible deals with BankBoston or Fleet Financial Group. "There are simply no merger talks going on."
- In 2000, led by David F. D'Alessandro, the company "demutualized", meaning that "John Hancock Mutual Life Insurance Company" formally ceased to exist, and a new company named "John Hancock Financial Services, Inc." came into existence. Policyholders received shares in the new company in exchange for giving up ownership in the old. Life insurance continued to be sold by an entity known as the "John Hancock Variable Life Insurance Company", a subsidiary of John Hancock Financial Services Inc. On January 27, 2000, shares of Hancock stock started to trade on the New York Stock Exchange under the symbol JHF.
- On September 29, 2003, Manulife Financial announced its intent to acquire John Hancock for $10.4 billion. The merged entity would be led by D'Alessandro, but he would step down in June 2004. The sale also included a Canadian subsidiary of John Hancock, Maritime Life; it was integrated 
In July 2017, it was reported that Manulife had considered spinning out John Hancock as a separate public company.
In a memo to all employees, CEO Marianne Harrison announced the company would be returning to the Back Bay section of Boston by the end of 2018. The 1,100 employees will be moving into 200 Berkeley Street, sometimes known as the "Old John Hancock Building" and 197 Clarendon Street. John Hancock no longer has a presence in the Back Bay tower at 200 Clarendon Street, still known by many Bostonians as the Hancock Tower.
Investor Sentiment Index
John Hancock created an index called the "John Hancock Investor Sentiment Index" in 2011. The company describes the index as a "quarterly measure of investors' views on a range of investment choices, life goals and economic outlook."[better source needed]
In October 2017, Marianne Harrison became the first female president and chief executive officer of John Hancock. She earned a reported $4.4 million in compensation in 2017.
- "Manulife to buy John Hancock in massive deal". The Globe and Mail. Retrieved 2018-10-31.
- Caffrey, Andrew, "Hancock chief D'Alessandro stepping down", Boston Globe, June 11, 2004
- "Manulife buying John Hancock for $15 billion". CBC News. Retrieved 2018-10-31.
- "John Hancock parent said to consider IPO for Boston company". The Boston Globe. Retrieved 2018-10-31.
- Chesto, Jon (2018-03-27). "Hancock to return to the Back Bay from the Seaport". The Boston Globe. Retrieved 2018-03-27.
- "John Hancock Inaugurates Investor Sentiment Index". John Hancock company website. 30 March 2011. Retrieved 8 October 2013.
- Ryan, Greg (2018-03-20). "New Hancock CEO sees 30% pay bump in first year on job". Boston Business Journal. Retrieved 2018-03-21.