Grants paid by Margaret Q Landenberger Research Foundation
EIN 65-0350358 · Wilmington, DE · Form 990-PF, Part XV
Margaret Q Landenberger Research Foundation of Wilmington, DE (EIN 65-0350358) reported 54 grants paid totaling $7,331,607 to 18 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$7,331,607
54 grants
Recipients
18
distinct organizations
Tax years
2018–2025
8 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 8 | $1,000,000 | — |
| 2019 | 6 | $641,000 | — |
| 2020 | 6 | $900,000 | — |
| 2021 | 5 | $866,048 | — |
| 2022 | 7 | $1,021,233 | — |
| 2023 | 7 | $903,326 | — |
| 2024 | 6 | $1,000,000 | — |
| 2025 | 9 | $1,000,000 | — |
Top recipients
The 18 recipients receiving the most from Margaret Q Landenberger Research Foundation, by grants paid, out of 18 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Children's Hospital of Philadelphia 23-1352166 | C | Philadelphia, PA | 8 | $1,200,000 | 2025 |
| Thomas Jefferson University 23-1352651 | B | Philadelphia, PA | 8 | $900,000 | 2025 |
| Massachusetts General Hospital 04-1564655 | C | Boston, MA | 4 | $700,000 | 2025 |
| John Hopkins Univ | U | Baltimore, MD | 4 | $600,000 | 2023 |
| The Philadelphia Foundation 23-1581832 | C | Philadelphia, PA | 4 | $531,607 | 2023 |
| The Wistar Institute | U | Philadelphia, PA | 4 | $500,000 | 2025 |
| Drexel University | U | Philadelphia, PA | 5 | $500,000 | 2025 |
| University of Pennsylvania C/O Brown Bros Harriman TR Co Na | U | New York, NY | 2 | $500,000 | 2023 |
| University of Pennsylvania | U | Philadelphia, GA | 2 | $400,000 | 2025 |
| University of Wisconsin | U | Madison, WI | 2 | $300,000 | 2025 |
| Trustees of the University of Pennsylvania 23-1352685 | B | Philadelphia, PA | 2 | $300,000 | 2019 |
| University of Miami 59-0624458 | C | Coral Gables, FL | 2 | $200,000 | 2021 |
| The George Washington University 52-1276046 | B | Washington, DC | 2 | $200,000 | 2020 |
| John's Hopkins University School of Medicine | U | Baltimore, MD | 1 | $100,000 | 2025 |
| Morehouse School of Medicine 58-1438873 | B | Atlanta, GA | 1 | $100,000 | 2024 |
| Children Research Institute | U | Washington, DC | 1 | $100,000 | 2018 |
| University of Florida Sch of Med | U | Gainesville, FL | 1 | $100,000 | 2018 |
| University of Rochester | U | Rochester, NY | 1 | $100,000 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 54 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Massachusetts General Hospital Boston, MA | C | $200,000 | paid | RESEARCH SUPPORT | 202631269349104513 |
| 2025 | University of Wisconsin Madison, WI | U | $100,000 | paid | RESEARCH SUPPORT | 202631269349104513 |
| 2025 | University of Rochester Rochester, NY | U | $100,000 | paid | GENERAL PURPOSE | 202631269349104513 |
| 2025 | Drexel University Philadelphia, PA | U | $100,000 | paid | GENERAL SUPPORT | 202631269349104513 |
| 2025 | Children's Hospital of Philadelphia Philadelphia, PA | C | $100,000 | paid | RESEARCH SUPPORT | 202631269349104513 |
| 2025 | The Wistar Institute Philadelphia, PA | U | $100,000 | paid | GENERAL PURPOSE | 202631269349104513 |
| 2025 | University of Pennsylvania Philadelphia, GA | U | $100,000 | paid | RESEARCH SUPPORT | 202631269349104513 |
| 2025 | Thomas Jefferson University Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 202631269349104513 |
| 2025 | John's Hopkins University School of Medicine Baltimore, MD | U | $100,000 | paid | GENERAL PURPOSE | 202631269349104513 |
| 2024 | University of Pennsylvania Philadelphia, GA | U | $300,000 | paid | RESEARCH SUPPORT | 202531259349101553 |
| 2024 | Massachusetts General Hospital Boston, MA | C | $200,000 | paid | RESEARCH SUPPORT | 202531259349101553 |
| 2024 | University of Wisconsin Madison, WI | U | $200,000 | paid | RESEARCH SUPPORT | 202531259349101553 |
| 2024 | Morehouse School of Medicine Atlanta, GA | B | $100,000 | paid | RESEARCH SUPPORT | 202531259349101553 |
| 2024 | Thomas Jefferson University Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 202531259349101553 |
| 2024 | Children's Hospital of Philadelphia Philadelphia, PA | C | $100,000 | paid | RESEARCH SUPPORT | 202531259349101553 |
| 2023 | University of Pennsylvania C/O Brown Bros Harriman TR Co Na New York, NY | U | $300,000 | paid | RESEARCH SUPPORT | 202401299349102410 |
| 2023 | Children's Hospital of Philadelphia Philadelphia, PA | C | $200,000 | paid | RESEARCH SUPPORT | 202401299349102410 |
| 2023 | Drexel University Philadelphia, PA | U | $100,000 | paid | GENERAL SUPPORT | 202401299349102410 |
| 2023 | John Hopkins Univ Baltimore, MD | U | $100,000 | paid | GENERAL PURPOSE | 202401299349102410 |
| 2023 | Thomas Jefferson University Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 202401299349102410 |
| 2023 | The Wistar Institute Philadelphia, PA | U | $100,000 | paid | GENERAL PURPOSE | 202401299349102410 |
| 2023 | The Philadelphia Foundation Philadelphia, PA | C | $3,326 | paid | GENERAL PURPOSE | 202401299349102410 |
| 2022 | John Hopkins Univ Baltimore, MD | U | $200,000 | paid | GENERAL PURPOSE | 202331309349102093 |
| 2022 | Children's Hospital of Philadelphia Philadelphia, PA | C | $200,000 | paid | RESEARCH SUPPORT | 202331309349102093 |
| 2022 | University of Pennsylvania C/O Brown Bros Harriman TR Co Na New York, NY | U | $200,000 | paid | RESEARCH SUPPORT | 202331309349102093 |
| 2022 | The Philadelphia Foundation Philadelphia, PA | C | $121,233 | paid | GENERAL PURPOSE | 202331309349102093 |
| 2022 | Drexel University Philadelphia, PA | U | $100,000 | paid | GENERAL SUPPORT | 202331309349102093 |
| 2022 | Thomas Jefferson University Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 202331309349102093 |
| 2022 | The Wistar Institute Philadelphia, PA | U | $100,000 | paid | GENERAL PURPOSE | 202331309349102093 |
| 2021 | The Philadelphia Foundation Philadelphia, PA | C | $366,048 | paid | GENERAL PURPOSE | 202211309349104021 |
| 2021 | Thomas Jefferson University Philadelphia, PA | B | $200,000 | paid | RESEARCH SUPPORT | 202211309349104021 |
| 2021 | John Hopkins Univ Baltimore, MD | U | $100,000 | paid | GENERAL PURPOSE | 202211309349104021 |
| 2021 | University of Miami Coral Gables, FL | C | $100,000 | paid | GENERAL PURPOSE | 202211309349104021 |
| 2021 | Children's Hospital of Philadelphia Philadelphia, PA | C | $100,000 | paid | RESEARCH SUPPORT | 202211309349104021 |
| 2020 | The Wistar Institute Philadelphia, PA | U | $200,000 | paid | GENERAL PURPOSE | 202111329349101866 |
| 2020 | Children's Hospital of Philadelphia Philadelphia, PA | C | $200,000 | paid | RESEARCH SUPPORT | 202111329349101866 |
| 2020 | John Hopkins Univ Baltimore, MD | U | $200,000 | paid | GENERAL PURPOSE | 202111329349101866 |
| 2020 | University of Miami Coral Gables, FL | C | $100,000 | paid | GENERAL PURPOSE | 202111329349101866 |
| 2020 | The George Washington University Washington, DC | B | $100,000 | paid | GENERAL SUPPORT | 202111329349101866 |
| 2020 | Thomas Jefferson University Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 202111329349101866 |
| 2019 | Trustees of the University of Pennsylvania Philadelphia, PA | B | $200,000 | paid | RESEARCH SUPPORT | 202001299349102225 |
| 2019 | Thomas Jefferson University Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 202001299349102225 |
| 2019 | Children's Hospital of Philadelphia Philadelphia, PA | C | $100,000 | paid | RESEARCH SUPPORT | 202001299349102225 |
| 2019 | Drexel University Philadelphia, PA | U | $100,000 | paid | GENERAL SUPPORT | 202001299349102225 |
| 2019 | Massachusetts General Hospital Boston, MA | C | $100,000 | paid | GENERAL SUPPORT | 202001299349102225 |
| 2019 | The Philadelphia Foundation Philadelphia, PA | C | $41,000 | paid | GENERAL PURPOSE | 202001299349102225 |
| 2018 | Massachusetts General Hospital Boston, MA | C | $200,000 | paid | GENERAL SUPPORT | 201921349349101412 |
| 2018 | Children's Hospital of Philadelphia Philadelphia, PA | C | $200,000 | paid | RESEARCH SUPPORT | 201921349349101412 |
| 2018 | University of Florida Sch of Med Gainesville, FL | U | $100,000 | paid | RESEARCH SUPPORT | 201921349349101412 |
| 2018 | Trustees of the University of Pennsylvania Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 201921349349101412 |
| 2018 | Thomas Jefferson University Philadelphia, PA | B | $100,000 | paid | RESEARCH SUPPORT | 201921349349101412 |
| 2018 | Children Research Institute Washington, DC | U | $100,000 | paid | GENERAL SUPPORT | 201921349349101412 |
| 2018 | Drexel University Philadelphia, PA | U | $100,000 | paid | GENERAL SUPPORT | 201921349349101412 |
| 2018 | The George Washington University Washington, DC | B | $100,000 | paid | GENERAL SUPPORT | 201921349349101412 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.1 | 202631269349104513 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.1 | 202531259349101553 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.0 | 202401299349102410 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202331309349102093 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.1 | 202211309349104021 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202111329349101866 |
| 990PF | 2019 | 2019-12-31 | not stated | 2019v5.0 | 202001299349102225 |
| 990PF | 2018 | 2018-12-31 | not stated | 2018v3.0 | 201921349349101412 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/650350358.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.