MFS Institutional Advisors Inc. is an SEC-registered investment adviser based in Boston, MA that reports managing 3 hedge funds on Form ADV. It reports $113.6 billion in regulatory assets under management. Its private funds, of all types, hold $1.7 billion in gross assets.
- Regulatory assets under management
- $113.6 billionForm ADV Item 5.F
- Gross assets of private funds
- $1.7 billionAll private fund types, Form ADV
- Hedge funds managed
- 36 private funds in total
- Employees
- 1,311Form ADV Item 5.A
- Registration
- SEC-registered adviserCRD 107144
- Latest Form ADV
- 03/31/2026Disciplinary disclosures: none reported
Private funds reported on Form ADV (8)
Fund
Gross assets
Minimum
Owners
Adviser
MFS International Growth LLC II
Delaware, United StatesPrivate fund
Gross assets$368M
MinimumNone set
Owners5
AdviserMFS Institutional Advisors Inc.
MFS Core Plus Fixed Income LLC
Delaware, United StatesHedge fund
Gross assets$333M
MinimumNone set
Owners6
AdviserMFS Institutional Advisors Inc.
MFS International Growth LLC
Delaware, United StatesPrivate fund
Gross assets$292M
MinimumNone set
Owners15
AdviserMFS Institutional Advisors Inc.
MFS Emerging Markets Debt LLC I
Delaware, United StatesHedge fund
Gross assets$103M
MinimumNone set
Owners4
AdviserMFS Institutional Advisors Inc.
MFS Global Equity LLC
Delaware, United StatesPrivate fund
Gross assets$97.7M
MinimumNone set
Owners2
AdviserMFS Institutional Advisors Inc.
MFS Global Aggregate Opportunistic LLC
Delaware, United StatesHedge fund
Gross assets$51.3M
MinimumNone set
Owners2
AdviserMFS Institutional Advisors Inc.
MFS International Research Equity LLC
Delaware, United StatesPrivate fund
Gross assets$35.7M
MinimumNone set
Owners4
AdviserMFS Institutional Advisors Inc.
MFS International Concentrated Equity LLC
Delaware, United StatesPrivate fund
Gross assets$20.3M
MinimumNone set
Owners3
AdviserMFS Institutional Advisors Inc.
As reported in the adviser's Form ADV filed Oct 30, 2024. Funds also listed from Form D are shown above.
From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures