Wissner-slivka Foundation

CLYDE HILL, WA EIN: 91-6458451

Wissner-slivka Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in CLYDE HILL, WA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.5M in total assets. In 2024, it awarded 3 grants totaling $146K. Net investment income was $76K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.5M

-4.7% YoY

Annual Giving

$146K

-41.8% YoY

Grant Count

3

+50.0% YoY

Avg Grant Size

$49K

-61.2% YoY

Under IRS private-foundation payout rules, Wissner-slivka Foundation reported a distributable amount of $74K for 2024 — the minimum it must pay out in qualifying distributions.

About Wissner-slivka Foundation

Based on IRS filings

Wissner-slivka Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in CLYDE HILL, WA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.5M in total assets. In 2024, it awarded 3 grants totaling $146K. Net investment income was $76K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Cities

BarringtonBellevueBostonSeattle

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$72K$144K$216K$287K20202021202220232024
Metric202420232022
Total Assets$1,522,301$1,597,139$1,931,966
Revenue$78,078$81,606$32,015
Expenses$152,916$257,699$206,988
Qualifying Distributions$148,514$253,015$204,450
Net Investment Income$75,972$79,616$30,273
Distributable Amount$74,123$81,473$94,495

Giving Over Time

Total grant dollars and number of grants per year

$0$64K$129K$193K$258K4 grants20206 grants20216 grants20222 grants20233 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2024

SEATTLE CHILDRENS FOUNDA…$100KKINDERING CENTER$31KOVERLAKE HOSPITAL FOUNDA…$15K

Grant Size Distribution

21 grants across all recorded years

15<$50K$50–100K5$100–250K1$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Seattle Childrens Foundation ($100,000), Kindering Center ($31,000), Overlake Hospital Foundation ($15,000).

RecipientPurposeAmount
KINDERING CENTER BELLEVUE, WAGENERAL SUPPORT$31,000
OVERLAKE HOSPITAL FOUNDATION BELLEVUE, WAGENERAL SUPPORT$15,000
SEATTLE CHILDRENS FOUNDATION SEATTLE, WAGRANT TOWARDS OPTIDES POST-DOC FELLOWSHIP$100,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
BENJAMIN W SLIVKATRUSTEE0.75
LISA WISSNER-SLIVKATRUSTEE0.75
MAX SLIVKATRUSTEE0.25
NATHANIEL SLIVKATRUSTEE0.25
LAUREN SLIVKATRUSTEE0.25

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Wissner-slivka Foundation?

Wissner-slivka Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in CLYDE HILL, WA. It holds $1.5M in total assets as of 2024.

How large is Wissner-slivka Foundation?

As of 2024, Wissner-slivka Foundation holds $1.5M in total assets with $78K in annual revenue. It awarded 3 grants totaling $146K in 2024.

Where does Wissner-slivka Foundation operate?

Wissner-slivka Foundation has awarded grants in Massachusetts, Rhode Island, Washington.

What size grants does Wissner-slivka Foundation award?

In 2024, Wissner-slivka Foundation awarded 3 grants totaling $146K — an average of about $49K per grant, based on its IRS Form 990 filings.

How much is Wissner-slivka Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Wissner-slivka Foundation reported a distributable amount of $74K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Wissner-slivka Foundation's EIN?

Wissner-slivka Foundation's EIN (Employer Identification Number) is 91-6458451. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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