Tensor Foundation

Foundation · Grantmaker Evanston, IL EIN: 13-7017367

Tensor Foundation is a private foundation, based in Evanston, IL. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $3.1M in total assets. In 2025, it awarded 7 grants totaling $172K. Net investment income was $129K.

Key facts about Tensor Foundation

In short: Tensor Foundation gave $172K across 7 grants in 2025 (avg $25K), mostly in New York. Source: 2025 IRS Form 990-PF.

EIN
13-7017367
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$172,450
Grants made (2025)
7
Average grant
$24,636
Median grant
$10,450
Total assets
$3,071,594
Primary geography
New York (56% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$3.1M

-1.8% YoY

Annual Giving

$172K

+25.9% YoY

Grant Count

7

+75.0% YoY

Avg Grant Size

$25K

-28.1% YoY

Under IRS private-foundation payout rules, Tensor Foundation reported a distributable amount of $190K for 2025 — the minimum it must pay out in qualifying distributions.

How Tensor Foundation gives

  • Giving fell 40% from 2022 to 2025. Method
  • In 2025 it paid out 93% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

5states

Share of all 7 itemized 2025 grant dollars.

Cities

Dobbs FerryNew YorkBronxWashingtonChicagoElmsfordMinneapolisRiver ForestLittletonPalatineSkokie

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K$800K7 grants20195 grants20206 grants20215 grants20223 grants20234 grants20247 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 7 recipients in 2025

Metropolitan Opera: $65KMetropolitan Opera$65KNorthlight Theatre: $50KNorthlight Theatre$50KPlanned Parenthood Hudson Peconic: $25KPlanned Parenthood HudsonPeconic$25KLyric Opera of Chicago: $10KLyric Opera of Chicago$10KCompassion Choices: $10KCompassion Choices$10KMercy Center Bronx: $6KMercy Center Bronx$6KWings Program Inc: $6KWings Program Inc$6K

Grant Size Distribution

25 grants across all recorded years

15<$50K6$50–100K2$100–250K2$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
METROPOLITAN OPERA New York, NYGENERAL GRANT$65,000
NORTHLIGHT THEATRE Skokie, ILGENERAL PURPOSE$50,000
PLANNED PARENTHOOD HUDSON PECONIC Elmsford, NYTHE EMPOWER GALA$25,000
LYRIC OPERA OF CHICAGO Chicago, ILGENERAL PURPOSE$10,450
COMPASSION CHOICES Littleton, COGENERAL PURPOSE$10,000
MERCY CENTER BRONX Bronx, NYGENERAL PURPOSE$6,000
WINGS PROGRAM INC Palatine, ILGENERAL PURPOSE$6,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$200K$400K$600K$800K2019202020212022202320242025
Metric202520242023
Total Assets$3,071,594$3,129,401$2,729,051
Revenue$158,107$572,381$226,432
Expenses$215,914$172,031$379,082
Qualifying Distributions$176,047$141,204$354,401
Net Investment Income$129,046$520,056$159,299
Distributable Amount$189,510$176,564$157,705

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS March 26, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 13, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS April 5, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 15, 2025)
  7. Updated Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
  8. Added Form 990-PF for fiscal year 2019 (received by the IRS March 26, 2020)
  9. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 13, 2021)
  10. Updated Form 990-PF for fiscal year 2021 (received by the IRS April 5, 2022)
  11. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
  12. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)

Leadership & Key People

Officers and directors from IRS filings

Tensor Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Archie C. McKellar

    Trustee

    On filings since 2019

    No compensation reported

  • Marie T. McKellar

    Trustee

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Tensor Foundation

How much does Tensor Foundation give each year?

Tensor Foundation gave $172K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $137K across 4 grants.

What is Tensor Foundation's typical grant size?

Tensor Foundation's median grant in 2025 was $10,450, and its average grant was $24,636, across 7 grants on its 2025 IRS Form 990-PF.

Where does Tensor Foundation give grants?

Tensor Foundation gives mostly in New York: 56% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Illinois (39%) and Colorado (6%).

Does Tensor Foundation give general operating support?

Yes: 86% of Tensor Foundation's 2025 grants with a stated purpose (6 of 7) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Tensor Foundation's largest grantees?

Tensor Foundation's largest 2025 grantees include Metropolitan Opera ($65,000), Northlight Theatre ($50,000) and Planned Parenthood Hudson Peconic ($25,000), according to its 2025 IRS Form 990-PF. Together they received 81% of its itemized 2025 grant dollars.

How large is Tensor Foundation?

Tensor Foundation reported $3.1M in total assets on its 2025 IRS Form 990-PF. It paid out $176K in qualifying distributions that year, against a required minimum of $190K (roughly 5% of its investment assets).

What is Tensor Foundation's EIN?

Tensor Foundation's EIN (Employer Identification Number) is 13-7017367. IRS Form 990 filing data is available on this page for 2019–2025.

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

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