The Margaret Blanke Grigg Foundation
The Margaret Blanke Grigg Foundation is a private foundation based in Saint Louis, Missouri. Its 2025 filing lists grants to charitable organizations, primarily in Missouri.
The Margaret Blanke Grigg Foundation at a glance
In short: The Margaret Blanke Grigg Foundation gave $1.0M across 22 grants in 2025 (avg $46K), mostly in Missouri. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,001,500
- +19.7% vs 2024
- Grants made (2025)
- 22
- +0.0% vs 2024
- Average grant
- $45,523
- +19.7% vs 2024
- Median grant
- $27,000
- Total assets
- $8,237,941
- +7.3% vs 2024
- Primary geography
- Missouri (98% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to The Margaret Blanke Grigg Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 903 S Lindbergh Blvd, Saint Louis, MO 63131
Phone: (314) 991-4999
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Margaret Blanke Grigg Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was St Louis Symphony Foundation ($269K). Together the top 10 received $832K.
Grant Size Distribution
68 grants across all recorded years
The most common grant size was under $50K: 48 grants of 68 (71%).
Geographic Focus
Where this funder awards grants
In 2025, 98% of grant dollars went to recipients in Missouri and 2% to recipients in Maryland. The listed 2025 grants show support for organizations in the St. Louis area and elsewhere in Missouri.
Grant Distribution by State
Share of 2025 grant dollars across all 22 itemized grants.
Cities
How The Margaret Blanke Grigg Foundation gives
- 95% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+20%). Method
- In 2025 it paid out 192% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $570K (2019) to $1.0M (2025). In 2025 it made 22 grants totaling $1.0M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| St Louis Symphony Foundation St. Louis, MO | General Purposes | $269,000 |
| Missouri Botanical Garden St. Louis, MO | General Purposes | $84,000 |
| Oasis Institute St. Louis, MO | General Purposes | $84,000 |
| St Louis Area Food Bank Bridgeton, MO | General Purposes | $84,000 |
| St Louis Art Museum St. Louis, MO | General Purposes | $84,000 |
| St Louis Science Center St. Louis, MO | General Purposes | $84,000 |
| Bethesdal Health Group Foundation St. Louis, MO | General Purposes | $48,000 |
| Washington University St. Louis, MO | General Purposes | $35,000 |
| Goldfarb School of Nursing St. Louis, MO | General Purposes | $30,000 |
| Opera Theatre of St Louis Webster Groves, MO | General Purposes | $30,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $8,237,941 | $1,643,733 | $1,084,385 | $1,001,500 | 22 | $1,018,403 | $1,567,641 | $530,548 |
| 2024 | $7,678,593 | $570,470 | $921,518 | $837,000 | 22 | $918,754 | $488,716 | $533,389 |
| 2023 | $8,028,474 | $265,279 | $937,674 | $837,000 | 22 | $931,134 | $198,835 | $511,530 |
| 2022 | $8,700,874 | $591,175 | $975,722 | $837,000 | 1 | $957,691 | $470,485 | $539,274 |
| 2021 | $9,085,415 | $1,879,747 | $934,724 | $812,000 | 1 | $933,236 | $1,297,193 | $599,829 |
| 2020 | $8,140,399 | $199,268 | $737,761 | $622,000 | 1 | — | $107,039 | $501,387 |
| 2019 | $8,677,897 | $980,357 | $673,381 | $570,000 | 1 | — | $876,976 | $494,989 |
Under IRS private-foundation payout rules, The Margaret Blanke Grigg Foundation reported a distributable amount of $531K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The available information does not state a mission for the foundation. Its 2025 grants included support for arts and cultural organizations, educational institutions, a food bank, and other organizations. The St. Louis Area Food Bank describes its mission as “building a stronger bi-state region by nourishing people, empowering communities, and transforming systems.” Grand Center Inc. says it creates the conditions for a thriving creative community at the Grand Center Arts District. Forest Park Forever describes its mission as restoring, maintaining, and sustaining Forest Park in partnership with the City of St. Louis. The Missouri Historical Society says it serves as a confluence of historical perspectives and contemporary issues to inspire and engage its audiences.
Grantmaking
In filing year 2025, the foundation reported 22 grants totaling $1,001,500. Grant amounts ranged from $3,000 to $269,000, with a median of $27,000. The largest grants included $269,000 to St Louis Symphony Foundation; $84,000 each to Missouri Botanical Garden, Oasis Institute, St. Louis Area Food Bank, St. Louis Art Museum, and St. Louis Science Center; and $48,000 to Bethesdal Health Group Foundation. These grants were listed for general purposes.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Harry H Langenberg II as president and director; Charles R Grigg and Eliot Grigg as vice presidents and directors; and Thomas E Venker Jr as secretary and director.
The Margaret Blanke Grigg Foundation is led by Harry H Langenberg II, President & Director since 2025 (on filings since 2020); none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Harry H Langenberg II
President & Director
Vice President, Treasurer & Director → President & Director, 2025
On filings since 2020
0.5 hrs/week
$250 (2020) → $0 (2025)
Thomas E Venker Jr.
Secretary & Director
On filings since 2020
0.2 hrs/week
$250 (2020) → $0 (2025)
Charles R Grigg
Vice President & Director
On filings since 2020
0.1 hrs/week
No compensation reported
Eliot Grigg
Vice President & Director
On filings since 2020
0.1 hrs/week
No compensation reported
Former officers (1)
- Former: William H Hobson (2020–2024) — President & Director
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.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $500, to William H Hobson (President, Director). 3 officers or directors reported compensation on that filing.
Frequently asked questions about The Margaret Blanke Grigg Foundation
How much does The Margaret Blanke Grigg Foundation give each year?
The Margaret Blanke Grigg Foundation gave $1.0M across 22 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $837K across 22 grants.
What is The Margaret Blanke Grigg Foundation's typical grant size?
The Margaret Blanke Grigg Foundation's median grant in 2025 was $27,000, and its average grant was $45,523, across 22 grants on its 2025 IRS Form 990-PF.
Where does The Margaret Blanke Grigg Foundation give grants?
The Margaret Blanke Grigg Foundation gives mostly in Missouri: 98% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were St. Louis, MO (19 grants).
Does The Margaret Blanke Grigg Foundation give general operating support?
Yes: 100% of The Margaret Blanke Grigg Foundation's 2025 grants with a stated purpose (22 of 22) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Margaret Blanke Grigg Foundation's largest grantees?
The Margaret Blanke Grigg Foundation's largest 2025 grantees include St Louis Symphony Foundation ($269,000), Missouri Botanical Garden ($84,000) and Oasis Institute ($84,000), according to its 2025 IRS Form 990-PF. Together they received 44% of its itemized 2025 grant dollars.
How large is The Margaret Blanke Grigg Foundation?
The Margaret Blanke Grigg Foundation reported $8.2M in total assets on its 2025 IRS Form 990-PF. It paid out $1.0M in qualifying distributions that year, against a required minimum of $531K (roughly 5% of its investment assets).
What does The Margaret Blanke Grigg Foundation fund?
The available information does not state a mission for the foundation. Its 2025 grants included support for arts and cultural organizations, educational institutions, a food bank, and other organizations. The St. See mission & focus areas ↑
How do I apply for a grant from The Margaret Blanke Grigg Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Margaret Blanke Grigg Foundation's EIN?
The Margaret Blanke Grigg Foundation's EIN (Employer Identification Number) is 43-1699657. IRS Form 990 filing data is available on this page for 2019–2025.
Does The Margaret Blanke Grigg Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS May 4, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 14, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 12, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 7, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 30, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
- IRS filings on file for fiscal years 2019–2024
Live grants for the work The Margaret Blanke Grigg Foundation funds
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Cite this profile
Grantable. (2026). The Margaret Blanke Grigg Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/the-margaret-blanke-grigg-foundation-morg_55e82f800f664181bd2bdad5eab03eea
BibTeX
@misc{grantable_431699657_2026,
author = {{Grantable}},
title = {{The Margaret Blanke Grigg Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-margaret-blanke-grigg-foundation-morg_55e82f800f664181bd2bdad5eab03eea},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Margaret Blanke Grigg Foundation'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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