The Connecticut State Capitol

Form 990-PFTax year 2025EIN 23-7012134

Holstein Foundation

A private foundation in Mystic, CT. Its return for tax year 2025 lists 10 grants and $27,850 paid in grants.

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
John Holstein
12 Roosevelt Ave
Mystic, CT 06355
(860) 572-8515
Form and materials
Letter request, most recent annual report, and purpose for application
Deadlines
No
Restrictions
No

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $27,850

    Grants listed
    10
    Assets, end of year
    $352,212
  • Tax year 2024

    $24,525

    Grants listed
    11
    Assets, end of year
    $359,187
  • Tax year 2023

    $35,100

    Grants listed
    15
    Assets, end of year
    $372,437
  • Tax year 2022

    $28,500

    Grants listed
    13
    Assets, end of year
    $410,718
  • Tax year 2021

    $26,200

    Grants listed
    14
    Assets, end of year
    $440,134
  • Tax year 2020

    $22,555

    Grants listed
    12
    Assets, end of year
    $457,539
  • Tax year 2019

    $30,800

    Grants listed
    10
    Assets, end of year
    $480,094
  • Tax year 2018

    $28,750

    Grants listed
    16
    Assets, end of year
    $500,958

Grants paid in 2025

10 grants, largest first

As listed on the return.

  1. Mystic AquariumMystic, CT

    Support

    $12,500
  2. Westerly HospitalWesterly, RI

    Support

    $6,250
  3. Lawrence & Memorial HospitalNew London, CT

    Support

    $5,000
  4. Bement SchoolDeerfield, MA

    Support

    $1,000
  5. Sunshine Kids FoundationHouston, TX

    Support

    $1,000
  6. St Jude Children's Research HospitalNew York, NY

    Support

    $1,000
  7. Always HomeMystic, CT

    Support

    $500
  8. Stonington Ambulance CorpStonington, CT

    Support

    $250
  9. John E Fogarty FoundationProvidence, RI

    Support

    $250
  10. American Red CrossBoone, IA

    Support

    $100

Where the money goes

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

  1. Health3 grants $12,25089% of the total
  2. Education1 grant $1,0007% of the total
  3. Housing and shelter1 grant $5004% of the total

By State

Grants to organizations with a US address, latest year.

  1. Connecticut5 grants $19,250
  2. Rhode Island2 grants $6,500
  3. Massachusetts1 grant $1,000
  4. New York1 grant $1,000
  5. Iowa1 grant $100

Officers, directors and trustees

4 people as filed

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

  • John HolsteinTRUSTEE Hours 1Pay $0
  • Jill BachTRUSTEE Hours 1Pay $0
  • Bruce HolsteinTRUSTEE Hours 1Pay $0
  • Patricia ClarkTRUSTEE 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. Chatham-Beech Charitable FoundationSouth Windsor, CT 25 grants Preselected only $28,756 giving
  2. Reeves HJ-MDN HospWaterbury, CT 1 grant Preselected only $25,908 giving
  3. The Nicholas FoundationWaterbury, CT 13 grants Preselected only $30,000 giving
  4. Billard FundWaterbury, CT 1 grant Preselected only $30,800 giving
  5. Richard and Ellen Richman Private Family FoundationGreenwich, CT 2 grants Preselected only $25,000 giving