funder-graph › Recipients
Who funds Heart Rhythm Society Inc
EIN 04-2694458 · Washington, DC
Heart Rhythm Society Inc of Washington, DC (EIN 04-2694458) was named as a grant recipient by 7 funders in 16 grants paid totaling $297,300 in tax years 2019–2025, 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
$297,300
16 grants paid
Funders
7
distinct grantmakers
Tax years
2019–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Fidelity Investments Charitable Gift Fund 11-0303001 | MA | A | 2 | $188,750 | 2025 |
| The Pfizer Foundation Inc 13-6083839 | NY | C | 1 | $50,000 | 2020 |
| Cardiovascular Research Foundation of Southern California 20-4100028 | CA | A | 7 | $37,500 | 2024 |
| The Philios Foundation Inc C/O Spencer Holdings 20-3642437 | FL | C | 3 | $13,500 | 2025 |
| Cedars-Sinai Medical Center 95-1644600 | CA | A | 1 | $7,000 | 2025 |
| Carrie and David Schulman Family Foundation Inc 26-1964753 | FL | D | 1 | $500 | 2022 |
| The Lazard Foundation C/O Lazard Freres & Co LLC 82-4711344 | NY | C | 1 | $50 | 2022 |
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 16 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Fidelity Investments Charitable Gift Fund | Heart Rhythm Society Inc Washington, DC | A | $82,000 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Cedars-Sinai Medical Center | Heart Rhythm Society Washington, DC | A | $7,000 | paid | GENERAL SUPPORT | 202631349349313568 |
| 2025 | The Philios Foundation Inc C/O Spencer Holdings | Heart Rhythm Society Washington, DC | C | $5,000 | paid | TO SUPPORT HEART RHYTHM DISORDERS RESEARCH | 202641199349100534 |
| 2024 | Fidelity Investments Charitable Gift Fund | Heart Rhythm Society Inc Washington, DC | A | $106,750 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Cardiovascular Research Foundation of Southern California | Heart Rhythm Society Washington, DC | A | $10,000 | paid | BEST RESEARCH ABSTRACT AWARD SUPPORT | 202533219349320158 |
| 2024 | The Philios Foundation Inc C/O Spencer Holdings | Heart Rhythm Society Washington, DC | C | $5,000 | paid | TO SUPPORT HEART RHYTHM DISORDERS RESEARCH | 202521259349101392 |
| 2023 | Cardiovascular Research Foundation of Southern California | Heart Rhythm Society Washington, DC | A | $5,500 | paid | GENERAL SUPPORT | 202403209349318040 |
| 2023 | The Philios Foundation Inc C/O Spencer Holdings | Heart Rhythm Society Washington, DC | C | $3,500 | paid | TO SUPPORT HEART RHYTHM DISORDERS RESEARCH | 202441349349103294 |
| 2022 | Carrie and David Schulman Family Foundation Inc | Heart Rythym Society Washington, DC | D | $500 | paid | CHARITABLE | 202333199349107358 |
| 2022 | The Lazard Foundation C/O Lazard Freres & Co LLC | Heart Rhythm Society Inc Washington, DC | C | $50 | paid | UNRESTRICTED | 202342299349100309 |
| 2022 | Cardiovascular Research Foundation of Southern California | Heart Rhythm Society Washington, DC | A | $0 + $5,500 non-cash | paid | GENERAL SUPPORT | 202322219349302057 |
| 2021 | Cardiovascular Research Foundation of Southern California | Heart Rhythm Society Washington, DC | A | $5,500 | paid | GENERAL SUPPORT | 202212699349301086 |
| 2020 | The Pfizer Foundation Inc | Heart Rhythm Society Washington, DC | C | $50,000 | paid | US - COMMUNITY GRANT SUPPORT | 202143199349108189 |
| 2020 | Cardiovascular Research Foundation of Southern California | Heart Rhythm Society Washington, DC | A | $5,500 | paid | GENERAL SUPPORT | 202142039349301574 |
| 2019 | Cardiovascular Research Foundation of Southern California | Heart Rhythm Society Washington, DC | A | $5,500 | paid | GENERAL SUPPORT | 202023189349313182 |
| 2019 | Cardiovascular Research Foundation of Southern California | Heart Rhythm Society Washington, DC | A | $5,500 | paid | GENERAL SUPPORT | 202023189349313182 |
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.