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← MASTER TRUST AGREEMENT FOR WELFARE BENEFITS

Form 990 for tax year 2023

Filed by MASTER TRUST AGREEMENT FOR WELFARE BENEFITS.

Totals

Total revenue
$13,339,849
Total expenses
$8,611,415
Contributions and grants received
$0
Grants paid
$0
Program service revenue
$11,846,167
Investment income
$1,493,682
Other revenue
$0
Total assets, end of year
$225,079,842
Total liabilities, end of year
$0
Net assets or fund balances, end of year
$225,079,842
Program services expenses (Part IX)
$8,611,415
Management and general expenses
$0
Fundraising expenses
$0
Program service expenses (Part III)
$8,611,415

Program services were 100.0% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.

Line items

Every line the filer filed in Parts VIII, IX and X, as filed and in filed order. Blank columns are left out, and the lines are not forced to add up to the totals above.

Revenue

Part VIII, the statement of revenue.

  • 2a · Program service revenue: EMPLOYEE CONTRIBUTIONS

    total $11,846,167 · related or exempt $11,846,167

  • 3 · Investment income

    total $1,493,682 · excluded $1,493,682

Functional expenses

Part IX, the statement of functional expenses.

  • 4 · Benefits paid to or for members

    total $7,077,597 · program services $7,077,597

  • 24a · Other expenses: TRUSTEE FEE

    total $1,533,818 · program services $1,533,818

Balance sheet

Part X, book values.

  • 11 · Investments: publicly traded securities

    beginning of year $177,251,853 · end of year $225,079,842

  • 27 · Net assets without donor restrictions

    beginning of year $177,251,853 · end of year $225,079,842

Mission and programs · 2023

Mission

TO PROVIDE LIFE, SICKNESS, ACCIDENT AND OTHER BENEFITS.

Activities or mission (Part I)

TO PROVIDE LIFE, SICKNESS, ACCIDENT AND OTHER BENEFITS

  • FUNDING OF TRUST

    Expenses $8,611,415 · Revenue $11,846,167

As filed on the 2023 return.

Listed in Part VII

  • State Street Bank And Trust

    TRUSTEE

    Total calculated
    $1,533,818
    From this org
    $1,533,818
    From related orgs
    $0
    Other
    $0
    Hours/week
    1 + 1 related

Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those.

Grants on this return

No itemized grants to organizations on this return.

Related organizations on this return

Schedule R Part II: tax-exempt organizations related to the filer by control. It does not record shared board members or money.

Taxable family on this return

Schedule R Parts I, III and IV, as filed. These record ownership and control, not shared board members or money moved.

Disregarded entities

Part I: entities that legally are the filer and file no return of their own.

  • MERRIMACK VALLEY ENDOSCOPY LLC

    MEDICAL SERVICES · MA · income $5,482,871 · assets $359,053

    Directly controlled by MGBCP

  • PARTNERS INNOVATION II LLC

    INVESTMENTS · MA · income $0 · assets $0

    Directly controlled by MGB

  • MASS GENERAL BRIGHAM VENTURES LLC

    INVESTMENTS · MA · income $0 · assets $0

    Directly controlled by MGB

  • MASSACHUSETTS EYE & EAR ASSOCIATES LLC

    BILLING SERVICES · MA · income $1,010 · assets $0

    Directly controlled by MEEA

  • PORTLAND INVESTMENTS-PIA LLC

    INVESTMENTS · ME · income $0 · assets $17,265,326

    Directly controlled by MGBPI

  • PORTLAND INVESTMENTS-EP LLC

    INVESTMENTS · ME · income $0 · assets $15,183,291

    Directly controlled by MGBPI

  • BRIGHAM HEALTH INTERNATIONAL LLC

    GLOBAL HEALTH CARE · MA · income $2,613,446 · assets $5,948,071

    Directly controlled by BH

  • MEEA - CAPE COD PHO LLC

    BILLING SERVICES · MA · income $45 · assets $0

    Directly controlled by MEEA

  • MEEA - WINCHESTER PHO LLC

    BILLING SERVICES · MA · income $0 · assets $0

    Directly controlled by MEEA

  • MASS GENERAL BRIGHAM HEALTH PLAN SELECT LLC

    INSURANCE COMPANY - HMO · MA · income $43,559 · assets $1,122,591

    Directly controlled by MGBHP

  • MASS GENERAL BRIGHAM GP III LLC

    INVESTMENTS · MA · income $0 · assets $47,443,338

    Directly controlled by MGB

  • MASSACHUSETTS EYE & EAR ASSOCIATES NORTH SUBURBAN

    BILLING SERVICES · MA · income $1,048,881 · assets $0

    Directly controlled by MEEA

  • NSPG BILLING

    BILLING SERVICES · MA · income $0 · assets $0

    Directly controlled by NSPG

Related partnerships

Part III: related organizations taxable as a partnership, with the filer's share.

  • MGB POOLED INVESTMENTS LLC

    EXCLUDED · INVESTMENTS · MA · 100% owned · share of income $902,317,613 · share of assets $16,284,523,878 · general or managing partner

    Directly controlled by MGB

  • PARTNERS INNOVATION FUND LLC

    EXCLUDED · INVESTMENTS · MA · 100% owned · share of income $22,005,641 · share of assets $90,384,781 · general or managing partner

    Directly controlled by MGB

  • RADIATION THERAPY OF SOUTHEASTERN MA LLC

    EXCLUDED · RADIATION THERAPY SERVICES · MA · 51% owned · share of income $3,904,064 · share of assets $3,269,259 · general or managing partner

    Directly controlled by BH

  • MASS GENERAL BRIGHAM ACO LLC

    EXCLUDED · ACCOUNTABLE CARE ORGANIZATION · MA · 100% owned · share of income $1,998,173 · share of assets $1,135,176 · general or managing partner

    Directly controlled by MGB

  • WENTWORTH SURGERY CENTER LLC

    EXCLUDED · SURGICAL CENTER · NH · 98% owned · share of income $8,803,349 · share of assets $3,799,779 · general or managing partner

    Directly controlled by WDH

  • MASS GENERAL BRIGHAM GLOBAL ADVISORY LLC

    EXCLUDED · HEALTH CARE EDUCATION AND CONSULTING · MA · 100% owned · share of income $8,701,224 · share of assets $9,544,394 · general or managing partner

    Directly controlled by MGB

  • NEW ENGLAND SURGERY CENTER HOLDINGS LLC

    EXCLUDED · SURGERY CENTER · DE · 70% owned · general or managing partner

    Directly controlled by MGB

Related corporations and trusts

Part IV: related organizations taxable as a corporation or trust.

  • NEWTON-WELLESLEY PHYSICIAN HOSPITAL ORG

    C · HEALTHCARE · MA · 100% owned · share of income $5,080,112 · share of assets $6,410,311

    Directly controlled by NWH

  • MASS GENERAL BRIGHAM HEALTH INSURANCE COMPANY

    C · INSURANCE COMPANY · MA · 100% owned · share of income $77,402,418 · share of assets $55,726,360

    Directly controlled by MGB

  • HEALTH PARTNERS OF NEW HAMPSHIRE INC

    C · MANAGEMENT SERVICES · NH · 50% owned · share of income $769,057 · share of assets $2,057,286

    Directly controlled by WDH

  • WENTWORTH HOMECARE AND HOSPICE LLC

    C · HOMECARE & HOSPICE SERVICES · NH · 50% owned · share of income $6,197,983 · share of assets $1,576,301

    Directly controlled by WDH

  • MGBV TH HOLDCO INC

    C · INVESTMENTS · DE · 100% owned · share of assets $625,000

    Directly controlled by MGBF III

Provenance

Return type
form_990
Tax year
2023
Filed
14 August 2025
IRS schema version
2023v6.0
Source object
202542269349302629

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