By headquarters

Institutional Investors in Massachusetts

PipelineRoad tracks 31 institutional investors headquartered in Massachusetts: 15 endowments, 7 pension funds, 5 foundations, 4 insurance investors. The largest is MassMutual at $280B. Each profile links to reported AUM, asset classes, and headquarters.

31Investors

$927BCombined reported AUM

$4BMedian reported AUM

$280BLargest (MassMutual)

23 of 31 report assets under management. Figures below reflect each investor's latest disclosure.

AUM figures reflect each investor's latest reported disclosure (2023 to 2025), shown per row. Updated as the directory is corrected and expanded.

M MassMutual Insurance Investor Springfield, Massachusetts $280Bas of 2024-12-31 J John Hancock Insurance Investor Boston, Massachusetts $250Bas of 2024-12-31 L Liberty Mutual Insurance Investor Boston, Massachusetts $100Bas of 2024-12-31 M Massachusetts Pension Reserves Investment Management Board Pension Fund Boston, Massachusetts $100Bas of 2024-06-30 H Harvard Management Company Endowment Boston, Massachusetts $57Bas of 2025-06-30 M Massachusetts Teachers' Retirement System Pension Fund Boston, Massachusetts $30Bas of 2024-06-30 M Massachusetts Institute of Technology Endowment Endowment Cambridge, Massachusetts $27Bas of 2023-06-30 M MIT Investment Management Company (MITIMCo) Endowment Cambridge, Massachusetts $27Bas of 2024-06-30 H Hanover Insurance Group Insurance Investor Worcester, Massachusetts $10Bas of 2024-12-31 M Mass General Brigham Foundation Somerville, Massachusetts $8Bas of 2024-12-31 B Boston Retirement System Pension Fund Boston, Massachusetts $7Bas of 2024-06-30 B Boston College Endowment Endowment Chestnut Hill, Massachusetts $4Bas of 2024-06-30 W Williams College Endowment Endowment Williamstown, Massachusetts $4Bas of 2024-06-30 A Amherst College Endowment Endowment Amherst, Massachusetts $4Bas of 2024-06-30 B Barr Foundation Foundation Boston, Massachusetts $3Bas of 2024-06-30 T Tufts University Endowment Endowment Medford, Massachusetts $3Bas of 2024-06-30 W Wellesley College Endowment Endowment Wellesley, Massachusetts $3Bas of 2024-06-30 S Smith College Endowment Endowment Northampton, Massachusetts $2Bas of 2024-06-30 B Boston University Endowment Endowment Boston, Massachusetts $2Bas of 2023-12-31 B The Boston Foundation Foundation Boston, Massachusetts $2Bas of 2023-06-30 N Northeastern University Endowment Endowment Boston, Massachusetts $1Bas of 2024-06-30 B Brandeis University Endowment Endowment Waltham, Massachusetts $1Bas of 2024-06-30 U University of Massachusetts Foundation Endowment Endowment Boston, Massachusetts $1Bas of 2024-06-30 A Alexion Pharmaceuticals, Inc. Pension Plan Pension Fund Boston, Massachusetts Undisclosed A Alnylam Pharmaceuticals, Inc. Pension Plan Pension Fund Cambridge, Massachusetts Undisclosed B Brigham and Women's Hospital Foundation Foundation Boston, Massachusetts Undisclosed G Gordon College Endowment Endowment Wenham, Massachusetts Undisclosed M Museum of Fine Arts, Boston Endowment Boston, Massachusetts Undisclosed R Raytheon Technologies Corporation Pension Plan Pension Fund Waltham, Massachusetts Undisclosed J The John Merck Fund Foundation Boston, Massachusetts Undisclosed V Vertex Pharmaceuticals Incorporated Pension Plan Pension Fund Boston, Massachusetts Undisclosed

Beyond the public profile

This list shows reported AUM, strategy, and headquarters. PipelineRoad members get the part that wins mandates: verified decision-maker contacts, current allocation mandates, and live activity signals for these allocators, matched to a fund's thesis.

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Frequently asked questions

How many institutional investors are based in Massachusetts?

PipelineRoad tracks 31 institutional investors headquartered in Massachusetts, including 15 endowments, 7 pension funds, 5 foundations, 4 insurance investors.

Which Massachusetts institutional investor manages the most assets?

MassMutual in Springfield, a insurance investor, is the largest, with $280B in reported assets under management (as of 2024-12-31).

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