1 more person, 10 more advisers, 73 more managers, 116 more commitments and 34 more dated events

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Massachusetts Pension Reserves Investment Management Board

Public investment pool· Boston, Massachusettsmapension.com

Public investment pool, based in Boston, Massachusetts, reporting $37B in assets.

Composed from this allocator's classification, location and filed figures.

Assets
$37B
Fund commitments
119
Managers
69
Open searches (5)Plans backing its top managerSimilar plans, same strategy
More
Commitments (119)Allocation policyConsultants
As of · the latest dated event for this allocator; each figure carries its own filing or report date

Nothing material in the last 90 days. Last change: 21 May 2026, $250M approved across 2 funds on 21 May 2026: Affinius Credit Fund-of-One $250M, Altor Equity Partners VII.

Capital path

who backs this record, through what, into what; each name opens its own path
Who decides
All 4
Massachusetts Pension Reserves Investment Management Board
Funds committed to
All 11
Managers
All 76
Size, funding, policy and commitments, with their basesPublic investment poolShow
Public investment pool
Assets
$37B
Total assets, Jun 30, 2023 derived
Funded
no pension liability
not filed
Private markets target
no policy read
policy Jun 30, 2025
Commitments
119
13 dated closings
Invests for: Massachusetts Teachers' Retirement System (MTRS), Massachusetts State Employees Retirement System
Allocation policy
ACFR, as of Jun 30, 2025
Actual allocation lines without a target (as filed)
  • Core Fixed Income 14.8%
  • Value-Added Fixed Income 7.9%
  • Overlay 0.5%
  • Timberland 2.8%
  • Portfolio Completion Strategies 8.6%
  • Private Equity 16.6%
  • Global Equity 39.6%
  • Real Estate 9.2%
Consultants and advisers
13 firms

+10 more consultants and advisers advise this allocator

Every name, record and relationship behind this count, with the source on each.

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People
4 roles
Chief investment officer
Michael G. Trotsky
Executive Director and Chief Investment Officer (Jun 30, 2025) mapension.com
Michael G. Trotsky, CFA, Executive Director and Chief Investment Officer

+1 more person on the investment staff and board

Every name, title and published role at this allocator, with the page it was read from.

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Manager roster
76 managers on the commitment tape
From the plan’s own commitment disclosures

+73 more managers received commitments

Every name, record and relationship behind this count, with the source on each.

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What changed
39 events
  • May 21, 2026Commitment approved
    Massachusetts Pension Reserves Investment Management Board (PRIM) approves 150 million euro to Altor Equity Partners VII
    mapension.com
  • May 21, 2026Commitment approved
    Massachusetts Pension Reserves Investment Management Board (PRIM) approves $250M to Affinius Credit Fund-of-One
    with Affinius Capitalmapension.com
  • May 21, 2026Policy updated
    Massachusetts Pension Reserves Investment Management Board (PRIM) adopts a policy change: hedge funds
    mapension.com
  • May 21, 2026Consultant changed
    Massachusetts Pension Reserves Investment Management Board (PRIM) selects Innocap as general consultant
    mapension.com
  • May 21, 2026Search opened
    Massachusetts Pension Reserves Investment Management Board (PRIM) opens a managed account platform services search
    mapension.com

+34 more dated events

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Board record: approvals, recommendations, searches, terminations and re-up prospects for this system.
Commitments
119 rows, 0 dated closings
DateFundManagerBucketAmountVintageStatusSource
as of May 21, 2026Affinius Credit Fund-of-Oneseparate accountAffinius CapitalPrivate credit$250MApprovedmapension.com
as of May 21, 2026Altor Equity Partners VIIAltor Equity PartnersPrivate equityn/aApprovedre-upmapension.com
as of Feb 26, 2026KKR Opportunistic Real Estate Credit Fund III, LPKKRPrivate credit$200MApprovedre-upmapension.com

+116 more commitments

Every fund and manager this allocator committed to, with the amount, date and source on each.

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Size and funding
1 reading
Total assets
$37B Jun 30, 2023 derived DFX analyst
Commitment history
15 decisions the board record started
VehicleManagerAmountStateProposedApprovedClosedFirst reportedOther LPs
Altor Equity Partners VIIn/aNot disclosedapproved-May 21, 2026---
Affinius Credit Fund-of-OneAffinius Capital$250Mapproved-May 21, 2026---
KKR Opportunistic Real Estate Credit Fund III, LPKKR$200Mapproved-Feb 26, 2026---

+12 more board decisions

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Provenance
Identifiers: none on file
Cross-graph: private equity LP tape (cited), venture LP tape (cited)
First observed Sep 15, 2026, last observed Sep 29, 2026. Classification confirmed. Every row above carries its source; a reported figure is the subject’s own, a derived one is arithmetic on reported figures, an estimated one is a model or a survey imputation and is never summed into a headline.

Not yet on record: private markets allocation target.

Across the graphs

Massachusetts Pension Reserves Investment Management Board is the same institution as 1 record in Venture Capital.

Venture Capital1

The joined record opens with the product, beside every other relationship on this page.

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Capital chain

Massachusetts Pension Reserves Investment Management Board sits on 176 traced paths of capital across the graphs.

Allocator commitments to a managerConsultant to allocator to managerAllocator to credit manager to facility to borrower

DFX traced 176 paths of capital through this record

Every record on each path, what it committed or lent, and as of when.

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Derived from allocator disclosures, BDC schedules and SEC filings; confidence is the weakest hop.

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Record history

147 dated events on the change ledger, latest first
  • Policy updated
    2025-02-11source
  • Commitment approved
    2025-02-11source
  • Commitment approved
    2025-02-11source

+144 more changes on this record's ledger

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The ledger records every merge, rename and reclassification this record went through and the dated filings observed on it, so the identity on this page can be traced to the records it was built from. The ledger's own sentences name other records, so they show with the names.

›Connections

every published relationship on the graph

+96 connections on the graph

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