Ledger.
Investor · Boston, MA

MFS Institutional Advisors Inc

Open MFS in the network graph →
Filings
129
SEC Form D
Connections
79
co-filers
Capital
$13.6B
across filings
Active
Mar 2009
to Jan 2026

Most-connected co-filers (79)

Carol W. Geremia · Boston, MA109 sharedMichael J. Meacock · Bishops Stortford, United Kingdom98 sharedRobertson G. Mansi · Boston, MA81 sharedSandra Jacobs · Santa Clara, CA79 sharedKenneth Kousky · Midland, MI70 sharedCharuda G. Upatham-Costello · Boston, MA67 sharedFrank Rotman · San Francisco, CA66 sharedJosh O'Donnell · Chicago, IL65 sharedEdward Larmann · New York, NY65 sharedAnne Marie W. Bernard · Boston, MA62 sharedMichael W. Roberge · Boston, MA57 sharedMichael S. Keenan · Boston, MA52 sharedJohn M. Corcoran · Boston, MA51 sharedWilliam Brown · LOS ANGELES, CA44 sharedJason W. Fitzgerald · Grand Cayman, Cayman Islands44 sharedIgor J. Efimov · St. Louis, MO44 sharedJason Meretsky · Vancouver, British Columbia, Canada39 sharedAlif Saleh · Waltham, MA31 sharedHeidi W. Hardin · Boston, MA31 sharedPacific Advantage Group Ltd · Stamford, CT30 sharedLinda W. Harring · Boston, MA30 sharedRobert J. Manning · Boston, MA27 sharedSusan A. Harvey · Anchorage, AK21 sharedJames W. Peterson · San Francisco, CA21 shared

Recent filings (129)

MFS International Growth LLCJan 2026 · 7 co-filersMFS Global Aggregate Opportunistic LLCJan 2026 · 7 co-filersMFS Core Plus Fixed Income LLCJan 2026 · 7 co-filersMFS Emerging Markets Debt LLC IJan 2026 · 7 co-filersMFS International Growth LLC IIJan 2026 · 7 co-filersMFS International Concentrated Equity LLCJan 2026 · 7 co-filersMFS Global Aggregate Opportunistic LLCJan 2025 · 18 co-filersMFS Emerging Markets Debt LLC IJan 2025 · 18 co-filersMFS International Research Equity LLCJan 2025 · 18 co-filersMFS International Growth LLC IIJan 2025 · 18 co-filersMFS International Growth LLCJan 2025 · 18 co-filersMFS Emerging Markets Debt LLC IJan 2025 · 18 co-filersMFS International Growth LLC IIJan 2025 · 18 co-filersMFS Core Plus Fixed Income LLCJan 2025 · 18 co-filersMFS International Concentrated Equity LLCJan 2025 · 18 co-filersMFS International Research Equity LLCJan 2025 · 18 co-filersMFS Core Plus Fixed Income LLCJan 2025 · 18 co-filersMFS Global Aggregate Opportunistic LLCJan 2025 · 18 co-filersMFS International Growth LLCJan 2025 · 18 co-filersMFS International Concentrated Equity LLCJan 2025 · 18 co-filersMFS Global Aggregate Opportunistic LLCJan 2024 · 18 co-filersMFS International Concentrated Equity LLCJan 2024 · 18 co-filersMFS Emerging Markets Debt LLC IJan 2024 · 18 co-filersMFS International Research Equity LLCJan 2024 · 18 co-filersMFS International Growth LLC IIJan 2024 · 18 co-filers

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See MFS in the interactive graph →