liability partnership industry investment management founded philadelphia pennsylvania united states 1928 headquarters atlantic wharf boston massachusetts united states products investment management mutual funds aum 969 billion 2016 website www.wellington.com wellington management company wmc is a private independent investment management company . the firm has client assets under management totalling over us 969 billion and serves as investment advisor for over 2 150 institutional clients in over 50 countries . 1 contents 1 history 2 insider trading probe 3 offices 4 references 5 external links history edit in 1928 walter l. morgan a philadelphia based accountant established the first balanced mutual fund in the united states the wellington fund . 2 morgan established wmc despite the market crash of 1929 . in the 1960s four investment professionals w. nicholas thorndike robert doran stephen paine and george lewis took the leadership of the firm and refocused the business . clarification needed in 1979 29 original partners bought back the firm believing the private form of ownership to be in the best interests of clients . 3 the company s london office was opened in 1983 singapore in 1996 tokyo and sydney in 1997 hong kong in 2003 and beijing in 2007 . wellington management has a presence in nearly all sectors of the liquid global securities markets . 4 the wellington fund is one of the oldest surviving american mutual funds . john c. bogle who succeeded morgan as chairman in 1970 later founded vanguard funds . wellington management also manages the wellesley income fund which is more conservatively allocated than the wellington fund . insider trading probe edit on november 23 2010 wellington management company turned over documents solicited by u.s. federal investigators regarding an alleged case of insider trading . wellington directors delivered the unspecified documents to investigators ; no comment was made by the company on the information delivered . 5 offices edit united states boston marlborough san francisco chicago radnor . internationally beijing frankfurt hong kong london singapore sydney tokyo luxembourg zurich references edit wellington management overview retrieved 2011 04 07 wellington fund founder dies . journal of accountancy . retrieved 9 september 2014 . the whiz kids takeover . institutional investor . retrieved 9 september 2014 . kerber ross december 4 2008 more job losses for hub s financial sector the boston globe wee gillian november 23 2010 wellington said to get document request from u.s. in insider trading probe bloomberg external links edit official website investment firm s secrets slip out this article about a financial services corporation of the united states is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title wellington management company & oldid 743301990 categories companies based in bostoninvestment management companies of the united statesmutual fund familiesunited states financial services company stubshidden categories wikipedia articles needing clarification from april 2016all stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages deutschespa olfran ais edit links this page was last modified on 9 october 2016 at 01 23 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view