funder-graph › Recipients
Who funds Mathematical Staircase
EIN 46-1813949 · Ardmore, PA · NTEE B90
Mathematical Staircase of Ardmore, PA (EIN 46-1813949) was named as a grant recipient by 2 funders in 7 grants paid totaling $80,781 in tax years 2020–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$80,781
7 grants paid
Funders
2
distinct grantmakers
Tax years
2020–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| American Mathematical Society 05-0264797 | RI | A | 4 | $45,600 | 2024 |
| Fidelity Investments Charitable Gift Fund 11-0303001 | MA | A | 3 | $35,181 | 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.
Grants
The 7 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Fidelity Investments Charitable Gift Fund | Mathematical Staircase Ardmore, PA | A | $12,279 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2024 | American Mathematical Society | Mathematical Staircase Inc Chicopee, MA | A | $22,000 | paid | EPSILON FUND - ANNUAL SUPPORT | 202502889349303155 |
| 2023 | American Mathematical Society | Mathematical Staircase Inc Holyoke, MA | A | $8,600 | paid | EPSILON FUND - ANNUAL SUPPORT | 202402829349302310 |
| 2022 | Fidelity Investments Charitable Gift Fund | Mathematical Staircase Holyoke, MA | A | $11,451 | paid | For grant recipient's exempt purposes | 202430459349302913 |
| 2022 | Fidelity Investments Charitable Gift Fund | Mathematical Staircase Holyoke, MA | A | $11,451 | paid | For grant recipient's exempt purposes | 202321309349304807 |
| 2022 | American Mathematical Society | Mathematical Staircase Inc Holyoke, MA | A | $9,000 | paid | EPSILON FUND - ANNUAL SUPPORT | 202312859349300531 |
| 2020 | American Mathematical Society | Mathematical Staircase Holyoke, MA | A | $6,000 | paid | EPSILON-ANNUAL SUPPORT | 202142859349301034 |
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 inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
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.