{"url":"https://nivawealth.com/firms/mfs-institutional-advisors-107144","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/107144","regulatoryAum":113585882234,"crd":"107144","secFileNumber":"801-46433","legalName":"MFS Institutional Advisors Inc.","displayName":"MFS Institutional Advisors","website":null,"founded":null,"organization":"Delaware corporation","fiscalYearEnd":"December","headquarters":{"street":"111 Huntington Avenue","city":"Boston","state":"MA","stateName":"Massachusetts","country":"United States","postalCode":"02199-7618"},"tradeNames":[],"registration":{"secApproved":"6 May 1994","noticeFilings":null,"latestNoticeFiling":null},"staff":{"employees":1311,"advisory":327,"brokerDealerReps":130,"insuranceAgents":0,"promoters":1},"aum":{"discretionary":113585882234,"discretionaryAccounts":13555,"nonDiscretionary":0,"nonDiscretionaryAccounts":0,"wrapProgram":5826346313,"nonUsClientsPct":1,"nonAumClients":16},"clientTypes":[{"label":"Individuals (other than HNW)","clients":9145,"regulatoryAum":2177402717},{"label":"High-net-worth individuals","clients":407,"regulatoryAum":1022020126},{"label":"Investment companies","clients":2,"regulatoryAum":748566567},{"label":"Pooled investment vehicles","clients":124,"regulatoryAum":45968149355},{"label":"Pension and profit-sharing plans","clients":253,"regulatoryAum":17007253022},{"label":"Charitable organizations","clients":116,"regulatoryAum":1850144858},{"label":"State or municipal government entities","clients":51,"regulatoryAum":19672263617},{"label":"Insurance companies","clients":37,"regulatoryAum":7789035011},{"label":"Sovereign wealth funds and foreign official institutions","clients":12,"regulatoryAum":14558671292},{"label":"Corporations and other businesses","clients":114,"regulatoryAum":606347072},{"label":"Other","clients":3294,"regulatoryAum":2186028597}],"fees":[],"feeNotes":[],"custodians":[{"name":"The Bank of New York Mellon","shortName":"The Bank of New York Mellon","location":"New York, NY","smaAssets":7784490827},{"name":"The Northern Trust Company","shortName":"The Northern Trust","location":"Chicago, IL","smaAssets":17813755657},{"name":"State Street Bank and Trust Co.","shortName":"State Street Bank and Trust","location":"Boston, MA","smaAssets":12482289508},{"name":"JP Morgan Chase Bank, N.A. London","shortName":"J.P. Morgan","location":"London","smaAssets":9410365440}],"custodyNote":"MFS Institutional Advisors has custody of $3.84B for 23 clients.","otherCustodians":[],"leadership":[{"name":"Sean Kenney","title":"President","crd":"4851636"},{"name":"Rosa Licea-Mailloux","title":"Chief Compliance Officer","crd":"4817251"},{"name":"Deborah Dodds","title":"Director","crd":"5985944"},{"name":"Richard Drage","title":"Director","crd":"8167911"},{"name":"Heidi Hardin","title":"Director, Chair of the Board and Secretary","crd":"2619251"},{"name":"Christine Modoono","title":"Director","crd":"8197252"},{"name":"Joseph Smelstor","title":"Treasurer","crd":"6247186"},{"name":"Aditi Taylor","title":"Director","crd":"3275545"}],"ownership":[{"label":"Massachusetts Financial Services Company","detail":"Parent company in the 75% or more ownership band and a control person, since November 1992."},{"label":"Sun Life of Canada (u.s.) Financial Services Holdings, Inc.","detail":"Indirect owner: a shareholder of Massachusetts Financial Services Company in the 75% or more band and a control person, since December 1997.","parent":"Massachusetts Financial Services Company"},{"label":"Sun Life Global Investments Inc.","detail":"Indirect owner: a shareholder of Sun Life 2007-1 Financing Corp. in the 75% or more band and a control person, since November 2016.","parent":"Sun Life 2007-1 Financing Corp."},{"label":"Sun Life Financial (u.s.) Investments LLC","detail":"Indirect owner: a shareholder of Sun Life of Canada (u.s.) Financial Services Holdings, Inc. in the 75% or more band and a control person, since October 2001.","parent":"Sun Life of Canada (u.s.) Financial Services Holdings, Inc."},{"label":"Sun Life Financial (u.s.) Holdings, LLC","detail":"Indirect owner: a shareholder of Sun Life Financial (u.s.) Investments LLC in the 75% or more band and a control person, since October 2001.","parent":"Sun Life Financial (u.s.) Investments LLC"},{"label":"Sun Life Assurance Company of Canada - U.S. Operations Holdings, Inc.","detail":"Indirect owner: a shareholder of Sun Life Financial (u.s.) Holdings, LLC in the 75% or more band and a control person, since October 2001.","parent":"Sun Life Financial (u.s.) Holdings, LLC"},{"label":"Sun Life Financial Inc.","detail":"Indirect owner: a shareholder of Sun Life Global Investments Inc. in the 75% or more band and a control person, since November 2004.","parent":"Sun Life Global Investments Inc."},{"label":"Sun Life 2007-1 Financing Corp.","detail":"Indirect owner: a shareholder of Sun Life Assurance Company of Canada - U.S. Operations Holdings, Inc. in the 75% or more band and a control person, since November 2016.","parent":"Sun Life Assurance Company of Canada - U.S. Operations Holdings, Inc."}],"branchOffices":null,"filedOffices":{"otherThanPrincipal":0,"privateResidences":0},"listedOfficeAddresses":1,"officesByState":[{"state":"Massachusetts","offices":1,"addresses":[{"street":"111 Huntington Avenue","city":"Boston","headquarters":true}]}],"advFacts":{"source":{"file":"ia100226.zip","asOf":"2 October 2026"},"telephone":"617-954-5000","stateRegisteredReps":13,"otherAdviserReps":0,"compensation":["A percentage of assets under management","Performance-based fees","Other"],"activities":["Portfolio management for individuals and/or small businesses","Portfolio management for investment companies","Portfolio management for pooled investment vehicles (other than investment companies)","Portfolio management for businesses (other than small businesses) or institutional clients","Pension consulting services","Selection of other advisers (including private fund managers)"],"financialPlanningClients":null,"assetMix":[{"label":"Exchange-traded equity securities","percent":87},{"label":"Non-exchange-traded equity securities","percent":1},{"label":"U.S. state and local bonds","percent":1},{"label":"Sovereign bonds","percent":4},{"label":"Investment grade corporate bonds","percent":2},{"label":"Non-investment grade corporate bonds","percent":1},{"label":"Securities issued by registered investment companies or business development companies","percent":1},{"label":"Securities issued by pooled investment vehicles (other than registered investment companies)","percent":1},{"label":"Cash and cash equivalents","percent":2}],"privateFunds":6},"sources":{"adv1FilingDate":"31 March 2026","adv1Url":"https://reports.adviserinfo.sec.gov/reports/ADV/107144/PDF/107144.pdf","brochureDate":null,"brochureUrl":null,"iapdCompiledDate":null,"retrievedDate":"15 October 2026","retrievedOn":"2026-10-15","adv1Pages":{},"brochurePages":{}},"otherBusiness":[],"faq":[{"question":"How many clients does MFS Institutional Advisors have?","answer":"MFS Institutional Advisors has 13,555 clients and manages $113.6 billion for them, as of March 2026. They include 9,145 other individuals, 3,294 other clients and 407 high-net-worth individuals.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 31 March 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does MFS Institutional Advisors offer?","answer":"MFS Institutional Advisors provides portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled vehicles, portfolio management for institutions, pension consulting and selecting other managers.","source":"Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Which custodians does MFS Institutional Advisors use?","answer":"MFS Institutional Advisors’ separately managed account assets are held at The Northern Trust Company (Chicago, IL), with $17,813,755,657, State Street Bank and Trust Co. (Boston, MA), with $12,482,289,508, JP Morgan Chase Bank, N.A. London (London), with $9,410,365,440 and The Bank of New York Mellon (New York, NY), with $7,784,490,827. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 31 March 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does MFS Institutional Advisors have?","answer":"MFS Institutional Advisors has 13 investment adviser representatives registered with state securities authorities, out of 1,311 employees, and 327 perform investment advisory functions. 130 are registered representatives of a broker-dealer and 0 are licensed insurance agents.","source":"Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What does MFS Institutional Advisors invest in?","answer":"At the end of its last fiscal year, MFS Institutional Advisors’ separately managed accounts held 87% exchange-traded equities, 4% sovereign bonds, 2% investment grade corporate bonds, 2% cash and equivalents, 1% non-exchange-traded equities, 1% state and local bonds, 1% high-yield corporate bonds, 1% registered funds (mutual funds, ETFs, BDCs) and 1% pooled vehicles (private funds and similar). It advises 6 private funds.","source":"Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Who owns MFS Institutional Advisors?","answer":"MFS Institutional Advisors is owned through a chain of holding companies by Sun Life Financial Inc. Its direct owner is Massachusetts Financial Services Company (75% or more).","source":"Form ADV Part 1A, Schedules A and B, filed 31 March 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does MFS Institutional Advisors get paid?","answer":"MFS Institutional Advisors is paid through a percentage of assets under management, performance-based fees and other arrangements. Its Form ADV lists no commissions among how it is paid.","source":"Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}}],"holdings":null,"notice":"Compiled from public SEC Form ADV filings on the dates in `sources`. Facts as filed; not a rating, ranking, or recommendation. Niva Wealth is not affiliated with this firm. Disciplinary history is deliberately not included here or on the page; the SEC publishes the complete record at the `iapdUrl` above."}