The Massachusetts State Capitol
Foundation Lookup

Form 990-PFTax year 2025EIN 42-6660492

The Louis Foundation

A private foundation in Cambridge, MA. Its return for tax year 2025 lists 13 grants and $439,493 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Accepts applications

The return gives an application contact and rules, as below.

Contact
Langdon B Wheeler
48 Lake View Avenue
Cambridge, MA 02138
(617) 354-4047
Form and materials
Write to address above
Deadlines
Write to address above
Restrictions
501(c)(3) public charities registered in massachusetts

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $439,493

    Grants listed
    13
    Assets, end of year
    $1,292,207

  • Tax year 2024

    $163,555

    Grants listed
    31
    Assets, end of year
    $1,558,005

  • Tax year 2023

    $812,445

    Grants listed
    54
    Assets, end of year
    $1,602,765

  • Tax year 2022

    $289,450

    Grants listed
    41
    Assets, end of year
    $2,327,154

  • Tax year 2021

    $372,190

    Grants listed
    47
    Assets, end of year
    $2,567,931

  • Tax year 2020

    $434,845

    Grants listed
    37
    Assets, end of year
    $2,755,124

  • Tax year 2019

    $248,405

    Grants listed
    36
    Assets, end of year
    $2,796,177

  • Tax year 2018

    $481,063

    Grants listed
    45
    Assets, end of year
    $2,728,182

Grants paid in 2025

13 grants, largest first

As listed on the return.

  1. Seattle Children's HospitalSeattle, WA

    Charitable

    $333,333
  2. Johns HopkinsBaltimore, MD

    Charitable

    $29,000
  3. Boston Childrens HospitalBoston, MA

    Charitable

    $25,000
  4. Epiphany SchoolBoston, MA

    Charitable

    $20,000
  5. VT PublicColchester, VT

    Charitable

    $10,000
  6. WGBH Educational FoundationBrighton, MA

    Charitable

    $10,000
  7. Mfa PatronBoston, MA

    Charitable

    $4,000
  8. Sponsor IncFramingham, MA

    Charitable

    $3,000
  9. Skidmore CollegeSaratoga SPGS, NY

    Charitable

    $2,500
  10. Pine Cay ProjectLima, OH

    Charitable

    $1,000
  11. Planned ParenthoodNew York, NY

    Charitable

    $1,000
  12. Yale Class of 69 DuesNew Haven, CT

    Charitable

    $500
  13. Shaftsbury Historical SocietyShaftsbury, VT

    Charitable

    $160

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Health1 grant $25,00060% of the total
  2. Arts and culture2 grants $10,16024% of the total
  3. Community development1 grant $3,0007% of the total
  4. Education1 grant $2,5006% of the total
  5. International aid1 grant $1,0002% of the total

By State

Grants to organizations with a US address, latest year.

  1. Washington1 grant $333,333
  2. Massachusetts5 grants $62,000
  3. Maryland1 grant $29,000
  4. Vermont2 grants $10,160
  5. New York2 grants $3,500
  6. Ohio1 grant $1,000
  7. Connecticut1 grant $500

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Langdon B WheelerTRUSTEE Hours 1Pay $0
  • M Katherine MetcalfeTRUSTEE Hours 1Pay $0

The return

More foundations

Similar foundations

Same main cause (health), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Beone Care Foundation IncCambridge, MA 5 grants Preselected only $620,000 giving
  2. The Altamira FoundationWestwood, MA 26 grants Preselected only $443,800 giving
  3. Josephine and Bernard Wilkinson US FDN Linda S Kennedy DalbyWoburn, MA 19 grants Preselected only $451,000 giving
  4. The Chartis FoundationCohasset, MA 10 grants Preselected only $425,000 giving
  5. Aubert J Fay Charitable FundLowell, MA 65 grants Accepts applications $458,000 giving