Root Arthur TW

Private foundation · Grantmaker Chicago, IL EIN: 36-6479381
N/A

Root Arthur TW is a private foundation focused on N/A, based in Chicago, IL. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $8.9M in total assets. In 2025, it awarded 2 grants totaling $563K. Net investment income was $973K.

Root Arthur TW at a glance

In short: Root Arthur TW gave $563K across 2 grants in 2025 (avg $281K), mostly in Illinois. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$562,554
+14.2% vs 2024
Grants made (2025)
2
+0.0% vs 2024
Average grant
$281,277
+14.2% vs 2024
Median grant
$281,277
Total assets
$8,913,188
+4.1% vs 2024
Primary geography
Illinois (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who Root Arthur TW funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Northwestern University: $281KNorthwestern University$281KAdvocate IL Masonic Medical Center: $281KAdvocate IL Masonic MedicalCenter$281K

The largest 2025 recipient was Northwestern University ($281K). Together the top 2 received $563K.

Grant Size Distribution

10 grants across all recorded years

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

The most common grant size was in the $100–250K range: 6 grants of 10 (60%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 2 itemized grants.

States

Cities

Downers GroveEvanston

How Root Arthur TW gives

  • Giving grew 37% from 2022 to 2025. Method
  • In 2025 it paid out 94% 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.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K2 grants2021 2 grants2022 2 grants2023 2 grants2024 2 grants2025

From 2021 to 2025, annual grant giving ranged from $150K (2021) to $563K (2025). In 2025 it made 2 grants totaling $563K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Northwestern University Evanston, ILProgram Support$281,277
Advocate IL Masonic Medical Center Downers Grove, ILProgram Support$281,277
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$8,913,188$1,033,419$687,278$562,5542$620,899$973,022$659,828
2024$8,562,282$503,214$614,565$492,6302$547,794$446,581$617,718
2023$8,672,874$530,157$605,669$498,8662$548,610$462,636$542,373
2022$8,750,663$22,441$540,843$411,3362$462,743$195,709$550,274
2021$9,271,478$747,443$259,543$149,9282$204,482$692,382$615,817

Under IRS private-foundation payout rules, Root Arthur TW reported a distributable amount of $660K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Root Arthur TW's only listed officer is BMO Bank N A, Trustee on every filing since 2023 (compensated).

Officers on the 2025 filing

  • BMO Bank N A

    Trustee

    On filings since 2023

    1 hr/week

    $99K (2023) → $116K (2025)

Former officers (1)
  • Former: BMO Harris Bank N A (2021–2022) — Trustee

Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

BMO Bank N a — Trustee: $116KBMO Bank N aTrustee$116K

The highest reported compensation on the 2025 filing was $116K, to BMO Bank N a (Trustee).

Frequently asked questions about Root Arthur TW

How much does Root Arthur TW give each year?

Root Arthur TW gave $563K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $493K across 2 grants.

How large is Root Arthur TW?

Root Arthur TW reported $8.9M in total assets on its 2025 IRS Form 990-PF. It paid out $621K in qualifying distributions that year, against a required minimum of $660K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What is Root Arthur TW?

Root Arthur TW is a private foundation focused on N/A, based in Chicago, IL. It holds $8.9M in total assets as of 2025.

Where does Root Arthur TW operate?

Root Arthur TW has awarded grants in Illinois.

What is Root Arthur TW's EIN?

Root Arthur TW's EIN (Employer Identification Number) is 36-6479381. IRS Form 990 filing data is available on this page for 2021–2025.

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

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2021 (received by the IRS January 24, 2023)
  2. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 1, 2023)
  3. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 23, 2024)
  4. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 1, 2025)
  5. Added Form 990-PF for fiscal year 2025 (received by the IRS April 27, 2026)
  6. IRS filings on file for fiscal years 2021–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Root Arthur TW's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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