Mfs Institutional Advisors Inc.
- Regulatory AUM
- $114B
- Discretionary
- $114B
- Clients
- 13,555
- Avg AUM / client
- $8.4M
- Accounts
- 13,555
- Employees
- 1,311
AUM over time
Annual snapshots from Form ADV filings · as of Mar 31, 2026
Asset allocation (SMA assets by investment type)
as of Mar 31, 2026Share of SMA assets by investment vehicle type, as filed in Form ADV Item 5.K. Dollar figures are percentages applied to total regulatory AUM.
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Individuals (non-high net worth) | 9,145 | $2.2B | 1.92% |
| High net worth individuals | 407 | $1.0B | 0.9% |
| Investment companies | 2 | $749M | 0.66% |
| Pooled investment vehicles (non-investment companies) | 124 | $46.0B | 40.5% |
| Pension and profit sharing plans | 253 | $17.0B | 15.0% |
| Charitable organizations | 116 | $1.9B | 1.63% |
| State or municipal government entities | 51 | $19.7B | 17.3% |
| Insurance companies | 37 | $7.8B | 6.86% |
| Sovereign wealth funds and foreign official institutions | 12 | $14.6B | 12.8% |
| Corporations and other businesses | 114 | $606M | 0.53% |
| Other | 3,294 | $2.2B | 1.92% |
Private funds (8)
Reported in Form ADV Section 7.B.(1), filing of Oct 2024 · $1.3B combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Mfs International Growth Llc Ii | Other Private Fund | Delaware | $368M | 5 |
| Mfs Core Plus Fixed Income Llc | Hedge Fund | Delaware | $333M | 6 |
| Mfs International Growth Llc | Other Private Fund | Delaware | $292M | 15 |
| Mfs Emerging Markets Debt Llc I | Hedge Fund | Delaware | $103M | 4 |
| Mfs Global Equity Llc | Other Private Fund | Delaware | $97.7M | 2 |
| Mfs Global Aggregate Opportunistic Llc | Hedge Fund | Delaware | $51.3M | 2 |
| Mfs International Research Equity Llc | Other Private Fund | Delaware | $35.7M | 4 |
| Mfs International Concentrated Equity Llc | Other Private Fund | Delaware | $20.3M | 3 |
Nonprofit clients
Charities that reported this firm as a top-paid contractor (investment services) on Form 990.
| Charity | Location | Period |
|---|---|---|
| Carleton University Retirement Plan S1 S 5 B6 EIN 980038349 | Canada | 12/31/2024 |
Retirement plan clients
Plans that reported this firm as an investment service provider on Form 5500 Schedule C.
| Plan | Location | Plan year |
|---|---|---|
| Nokia Savings/401(k) Plan Nokia Of America Corporation | 2024 | |
| Retirement Plan For Employees Of Aetna Inc. Aetna Inc. | 2024 | |
| Citi Retirement Savings Plan Citigroup Inc. | 2024 | |
| The Citigroup Pension Plan Citigroup Inc. | 2024 | |
| The Bank Of America Pension Plan Bank Of America Corporation | 2024 | |
| Toyota Motor Sales, U.S.A., Inc. Pension Plan Toyota Motor North America, Inc. | 2024 | |
| Ufcw Union & Partcipating Food Industry Employers Tri State Pension Fund Ufcw Union & Participating Food Industry Employers Tri State Pension F | 2024 | |
| Oapi Retirement Plan Otsuka America Pharmaceutical, Inc. | 2024 | |
| Shaws Supermarkets, Inc. Pension Plan For Union Employees Shaws Supermarkets Inc | 2024 | |
| Southern Electrical Retirement Fund Board Of Trustees Southern Electrical Retirement Fund | 2024 | |
| Cvs Health Future Fund 401(k) Plan Cvs Health Corporation | 2024 | |
| Steelworkers Pension Trust Steelworkers Pension Trust | Pittsburgh, PA | 2024 |
| Pinnacle West Capital Corporation Retirement Plan Pinnacle West Capital Corporation | Phoenix, AZ | 2024 |
| Northwell Health Pension Plan Northwell Health, Inc. | 2024 | |
| Tiffany And Company Pension Plan Tiffany And Company | 2024 |
People (60)
roster as of Jul 20, 2026| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Geremia, Carol, William | President And Secretary | Oct 2012 (14y) | Less than 5% | |
| Mansi, Robertson, George | Director | Mar 2013 (13y) | Less than 5% | |
| Keenan, Michael, Sean | Director | Nov 2018 (8y) | Less than 5% | |
| Hardin, Heidi, Walter | Director And Chair Of The Board | Jan 2022 (5y) | Less than 5% | |
| Upatham Costello, Charuda | Director And Treasurer | Jan 2022 (5y) | Less than 5% | |
| Licea Mailloux, Rosa, Esmeralda | Chief Compliance Officer | Mar 2022 (4y) | Less than 5% | |
| Thompson Dolberry, Michelle | Director | Jan 2024 (3y) | Less than 5% | |
| Philip William Martin | Registered representative | Oct 2005 (21y) | ||
| James Michael Ignazio | Registered representative | Mar 2006 (20y) | ||
| Kevin Michael Higney | Registered representative | Mar 2006 (20y) | ||
| Matthew Wade Crowther | Registered representative | Mar 2006 (20y) | ||
| Michael William Schwanekamp | Registered representative | Mar 2006 (20y) | ||
| David Gilbert Martinez | Registered representative | Mar 2006 (20y) | ||
| Justin Arthur Hansen | Registered representative | Mar 2007 (19y) | ||
| Ryan Edward Mullen | Registered representative | Jun 2008 (18y) | ||
| Ryan Michael Kirkwood | Registered representative | Jul 2008 (18y) | ||
| Victor S Curtis | Registered representative | Jul 2009 (17y) | ||
| Robert Ferguson | Registered representative | Feb 2010 (16y) | ||
| Russell Robert Kilpatrick | Registered representative | Jan 2011 (16y) | ||
| John Patrick Garrett | Registered representative | Jul 2011 (15y) | ||
| Kurt Allen Beal | Registered representative | Aug 2012 (14y) | ||
| Serge Pierre Louis | Registered representative | Oct 2012 (14y) | ||
| Andy Odinga Tyndall | Registered representative | Mar 2013 (13y) | ||
| Steven David Burkhardt | Registered representative | Mar 2013 (13y) | ||
| Graham Thomas Kimmerer | Registered representative | Mar 2014 (12y) | ||
| Suzanne Crouch | Registered representative | Mar 2014 (12y) | ||
| Thomas Patrick Shanley | Registered representative | Mar 2014 (12y) | ||
| Lori Panuccio Hubbard | Registered representative | Jul 2014 (12y) | ||
| Kevin Dale Britt | Registered representative | Oct 2014 (12y) | ||
| Karen Lorraine Ireland | Registered representative | Dec 2015 (11y) | ||
| Janet Ann Oliver | Registered representative | Sep 2016 (10y) | ||
| James William Hakewill | Registered representative | Jun 2017 (9y) | ||
| Patrick John Carroll | Registered representative | Apr 2020 (6y) | ||
| Jason James Morski | Registered representative | Jul 2020 (6y) | ||
| Gary Curtis Hampton | Registered representative | CFA | May 2022 (4y) | |
| Jeffrey Edward Maccune | Registered representative | CFA | May 2022 (4y) | |
| Scott Tomlinson Edgcomb | Registered representative | CFA | May 2022 (4y) | |
| Mitchell Alan Tofte | Registered representative | Aug 2022 (4y) | ||
| Bridget Bingham | Registered representative | CFA | Oct 2022 (4y) | |
| Sean Patrick Murphy | Registered representative | CFA | Oct 2022 (4y) | |
| Patrick Murphy Beksha | Registered representative | CFA | Oct 2022 (4y) | |
| Caroline Daigle Carey | Registered representative | Feb 2023 (3y) | ||
| Paul Andrew Centauro | Registered representative | CFA | Mar 2023 (3y) | |
| Robert David Thomson | Registered representative | May 2023 (3y) | ||
| Joe Marcos Valencia | Registered representative | Jul 2023 (3y) | ||
| Julia Lynmore Perry | Registered representative | Mar 2024 (2y) | ||
| Marena Hnat Dembitz | Registered representative | Jul 2024 (2y) | ||
| Lauren Mary Byrne | Registered representative | Sep 2024 (2y) | ||
| Peter Denis Loncto | Registered representative | CFA | Jan 2025 (2y) | |
| Ryan Joseph Thelen | Registered representative | Apr 2025 (1y) | ||
| Christopher Robert Callahan | Registered representative | Jul 2025 (1y) | ||
| Michael Francis Dembro | Registered representative | Jul 2025 (1y) | ||
| Paul Francis Cooney | Registered representative | Jul 2025 (1y) | ||
| Natalie B Ochoa | Registered representative | Aug 2025 (1y) | ||
| Jack Bernard Mccaffrey | Registered representative | Aug 2025 (1y) | ||
| Catherine Irene Christopher | Registered representative | Sep 2025 (1y) | ||
| James Arthur Wilson | Registered representative | CFA | Nov 2025 (1y) | |
| Patrick Mueller | Registered representative | Jan 2026 (1y) | ||
| William Arthur O Neil | Registered representative | Apr 2026 (0y) | ||
| Scott Dutcher | Registered representative | Apr 2026 (0y) |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Massachusetts Financial Services Company | Parent Company | Nov 1992 | A | 75% or more |
| Sun Life Financial (U.S.) Investments Llc | Shareholder | Oct 2001 | B | ≈ 42.19% – 100% via Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. |
| Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. | Shareholder | Dec 1997 | B | ≈ 56.25% – 100% via Massachusetts Financial Services Company |
| Sun Life Financial (U.S.) Holdings, Inc. | Shareholder | Oct 2001 | B | ≈ 31.64% – 100% via Sun Life Financial (U.S.) Investments Llc |
| Sun Life Assurance Company Of Canada U.S. Operations Holdings, Inc. | Shareholder | Oct 2001 | B | ≈ 23.73% – 100% via Sun Life Financial (U.S.) Holdings, Inc. |
| Sun Life Global Investments Inc. | Shareholder | Nov 2016 | B | ≈ 13.35% – 100% via Sun Life 2007 1 Financing Corp. |
| Sun Life Financial Inc. | Shareholder | Nov 2004 | B | ≈ 10.01% – 100% via Sun Life Global Investments Inc. |
| Sun Life 2007 1 Financing Corp. | Shareholder | Nov 2016 | B | ≈ 17.8% – 100% via Sun Life Assurance Company Of Canada U.S. Operations Holdings, Inc. |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Sun Life Financial (U.S.) Investments Llc: 75% – 100% of Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. × 75% – 100% of Massachusetts Financial Services Company × 75% – 100% direct ≈ 42.19% – 100% of the firm
- Sun Life Of Canada (U.S.) Financial Services Holdings, Inc.: 75% – 100% of Massachusetts Financial Services Company × 75% – 100% direct ≈ 56.25% – 100% of the firm
- Sun Life Financial (U.S.) Holdings, Inc.: 75% – 100% of Sun Life Financial (U.S.) Investments Llc × 75% – 100% of Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. × 75% – 100% of Massachusetts Financial Services Company × 75% – 100% direct ≈ 31.64% – 100% of the firm
- Sun Life Assurance Company Of Canada U.S. Operations Holdings, Inc.: 75% – 100% of Sun Life Financial (U.S.) Holdings, Inc. × 75% – 100% of Sun Life Financial (U.S.) Investments Llc × 75% – 100% of Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. × 75% – 100% of Massachusetts Financial Services Company × 75% – 100% direct ≈ 23.73% – 100% of the firm
- Sun Life Global Investments Inc.: 75% – 100% of Sun Life 2007 1 Financing Corp. × 75% – 100% of Sun Life Assurance Company Of Canada U.S. Operations Holdings, Inc. × 75% – 100% of Sun Life Financial (U.S.) Holdings, Inc. × 75% – 100% of Sun Life Financial (U.S.) Investments Llc × 75% – 100% of Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. × 75% – 100% of Massachusetts Financial Services Company × 75% – 100% direct ≈ 13.35% – 100% of the firm
- Sun Life Financial Inc.: 75% – 100% of Sun Life Global Investments Inc. × 75% – 100% of Sun Life 2007 1 Financing Corp. × 75% – 100% of Sun Life Assurance Company Of Canada U.S. Operations Holdings, Inc. × 75% – 100% of Sun Life Financial (U.S.) Holdings, Inc. × 75% – 100% of Sun Life Financial (U.S.) Investments Llc × 75% – 100% of Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. × 75% – 100% of Massachusetts Financial Services Company × 75% – 100% direct ≈ 10.01% – 100% of the firm
- Sun Life 2007 1 Financing Corp.: 75% – 100% of Sun Life Assurance Company Of Canada U.S. Operations Holdings, Inc. × 75% – 100% of Sun Life Financial (U.S.) Holdings, Inc. × 75% – 100% of Sun Life Financial (U.S.) Investments Llc × 75% – 100% of Sun Life Of Canada (U.S.) Financial Services Holdings, Inc. × 75% – 100% of Massachusetts Financial Services Company × 75% – 100% direct ≈ 17.8% – 100% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Private funds (8, $1.3B gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Mfs International Growth Llc Ii | Other Private Fund | $368M | $0 | 5 |
| Mfs Core Plus Fixed Income Llc | Hedge Fund | $333M | $0 | 6 |
| Mfs International Growth Llc | Other Private Fund | $292M | $0 | 15 |
| Mfs Emerging Markets Debt Llc I | Hedge Fund | $103M | $0 | 4 |
| Mfs Global Equity Llc | Other Private Fund | $97.7M | $0 | 2 |
| Mfs Global Aggregate Opportunistic Llc | Hedge Fund | $51.3M | $0 | 2 |
| Mfs International Research Equity Llc | Other Private Fund | $35.7M | $0 | 4 |
| Mfs International Concentrated Equity Llc | Other Private Fund | $20.3M | $0 | 3 |
From Form ADV Section 7.B private fund reporting.
Retirement plans served (15)
| Plan | Sponsor | Participants | Plan assets | As of |
|---|---|---|---|---|
| Nokia Savings/401(k) Plan | Nokia Of America Corporation | 6,331 | $9.8B | 01/01/2024 |
| Retirement Plan For Employees Of Aetna Inc. | Aetna Inc. | 9,117 | $5.2B | 01/01/2024 |
| Citi Retirement Savings Plan | Citigroup Inc. | 74,487 | $23.2B | 01/01/2024 |
| The Citigroup Pension Plan | Citigroup Inc. | 14,217 | $10.0B | 01/01/2024 |
| The Bank Of America Pension Plan | Bank Of America Corporation | 51,062 | $19.0B | 01/01/2024 |
| Toyota Motor Sales, U.S.A., Inc. Pension Plan | Toyota Motor North America, Inc. | 4,646 | $4.6B | 01/01/2024 |
| Ufcw Union & Partcipating Food Industry Employers Tri State Pension Fund | Ufcw Union & Participating Food Industry Employers Tri State Pension F | 6,739 | $872M | 01/01/2024 |
| Oapi Retirement Plan | Otsuka America Pharmaceutical, Inc. | 77 | $133M | 01/01/2024 |
| Shaws Supermarkets, Inc. Pension Plan For Union Employees | Shaws Supermarkets Inc | 5,418 | $230M | 01/01/2024 |
| Southern Electrical Retirement Fund | Board Of Trustees Southern Electrical Retirement Fund | 13,044 | $2.2B | 01/01/2024 |
| Cvs Health Future Fund 401(k) Plan | Cvs Health Corporation | 313,966 | $30.1B | 01/01/2024 |
| Steelworkers Pension Trust | Steelworkers Pension Trust | 43,601 | $7.2B | 01/01/2024 |
| Pinnacle West Capital Corporation Retirement Plan | Pinnacle West Capital Corporation | 6,307 | $3.1B | 01/01/2024 |
| Northwell Health Pension Plan | Northwell Health, Inc. | 26,078 | $2.8B | 01/01/2024 |
| Tiffany And Company Pension Plan | Tiffany And Company | 745 | $606M | 01/01/2024 |
From Form 5500 service-provider disclosures.
Foundations & charities (1)
| Organization | Type | Assets | As of |
|---|---|---|---|
| Carleton University Retirement Plan S1 S 5 B6 | Public charity | $1.3B | 12/31/2024 |
From IRS Form 990 investment-management-fee disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 03/31/2026 | 3.17 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
Allegations: THE CHICAGO BOARD OF TRADE ("CBOT") ALLEGED VIOLATIONS BY SUN LIFE FINANCIAL INC. OF CBOT (LEGACY) RULE 432 AND RULE 534, RELATED TO TWO TRADES ON GLOBEX TOTALING 989 SEPTEMBER 2012 ULTRA TREASURY BOND FUTURES CONTRACTS. Status: Final Sanction Detail: A MONETARY FINE OF $50,000 USD WAS PAID TO THE CHICAGO BOARD OF TRADE ON 10/28/2014 BY SUN LIFE FINANCIAL INC. Summary: EFFECTIVE OCTOBER 27, 2014, SUN LIFE FINANCIAL INC. ("SLF"), WITHOUT ADMITTING OR DENYING RULE VIOLATIONS, AGREED TO PAY A PENALTY OF $50,000 TO SETTLE A MATTER WITH THE CHICAGO BOARD OF TRADE ("CBOT") RELATED TO ALLEGED VIOLATIONS OF CBOT (LEGACY) RULE 432 (FAILURE TO DILIGENTLY SUPERVISE ITS EMPLOYEES AND AGENTS IN THE CONDUCT OF THEIR BUSINESS RELATED TO THE EXCHANGE) AND RULE 534 (PROHIBITION ON WASH TRADES). THIS MATTER INVOLVED TWO MATCHING TRADES ON GLOBEX TOTALING 989 SEPTEMBER 2012 ULTRA TREASURY BOND FUTURES CONTRACTS FOR INDEPENDENT BUSINESS REASONS ON BEHALF OF TWO DIFFERENT INSURANCE COMPANY SUBSIDIARIES OF SLF, FOR WHICH SLF, AS THE THEN ULTIMATE PARENT COMPANY OF BOTH, WAS DEEMED TO MAINTAIN BENEFICIAL OWNERSHIP OF THE CONTRACTS ON BOTH SIDES OF THE TRADE. IN MITIGATION, FOLLOWING THIS OCCURRENCE, THE SLF SUBSIDIARIES IMPLEMENTED TRAINING PROGRAMS REGARDING THE RULES OF SUCH EXCHANGE.
Allegations: FAILURE TO TIMELY FILE A REQUIRED NOTIFICATION CONCERNING HOLDINGS OF A PARTICULAR SECURITY. Status: Final Sanction Detail: ON AUGUST 26, 2014, A MONETARY FINE OF EUR 94,500(APPROXIMATELY US $125,875 AS OF PAYMENT DATE) WAS PAID TO THE GERMAN REGULATOR BUNDESANSTALT FÜR FINANZDIENSTLEISTUNGSAUFSICHT. Summary: ON JANUARY 29, 2014, THE BUNDENSANSTALT FÜR FINANZDIENSTLEISTUNGSAUFSICHT ("BAFIN") NOTIFIED MASSACHUSETTS FINANCIAL SERVICES COMPANY ("MFS") THAT IT HAD INSTITUTED AN ADMINISTRATIVE PROCEEDING AGAINST MFS AND CERTAIN OTHER ENTITIES RELATING TO AN ALLEGED FAILURE TO TIMELY FILE A REQUIRED NOTIFICATION CONCERNING HOLDINGS IN A PARTICULAR GERMAN EQUITY SECURITY. ON AUGUST 11, 2014, BAFIN ASSESSED FINES AND ADMINISTRATIVE COSTS AGAINST MFS IN THE AMOUNT OF EUR 94,500 (APPROXIMATELY $125,875), WHICH MFS SUBSEQUENTLY PAID.
Disclosure text reproduced verbatim from the firm's own Form ADV filings.
How they charge
- • Percentage of assets under management
- • Performance-based fees
- • Other fees
- • TRANSFER PRICING ARRANGEMENTS WITH AFFILIATES
Services
- • Portfolio management for individuals/small businesses
- • Portfolio management for investment companies
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
- • Pension consulting services
- • Selection of other advisers
Custody
Reported custodians
- Northern Trust $17.8B (16% of AUM) Mar 2026
- State Street $12.5B (11% of AUM) Mar 2026
- J.P. Morgan $9.4B (8% of AUM) Mar 2026
- BNY Mellon $7.8B (7% of AUM) Mar 2026
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 31, 2026.
View current Form ADV (SEC/IAPD) ↗