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Heffter Research Institute

EIN 85-1073501 · Greenwich, CT

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthGood71 out of 100GovernanceStrong100 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

OUR MISSION IS TO PROMOTE RESEARCH OF THE HIGHEST SCIENTIFIC QUALITY IN ORDER TO CONTRIBUTE TO A GREATER UNDERSTANDING OF THE MIND, LEADING TO THE IMPROVEMENT OF THE HUMAN CONDITION, AND TO ALLEVIATE SUFFERING.

Income
$228,716
Spending
$232,786
Spent on programs
95%
Reserves
9.7 months of spending
Largest source of income
other income, 58%
Employees
0
Volunteers
13

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Good: 71 out of 100. Higher than 49% of charities in its peer group (science, under $250k).

  • Reserves

    28 of 35

    Spendable reserves would cover 9.7 months of spending.

  • Debt

    5 of 20

    It owes 62% of what it owns.

  • Living within its means

    8 of 15

    Spending exceeded income by 2% of income.

  • Income trend

    15 of 15

    Income rose 26% on the year before.

  • Spending floor

    15 of 15

    95% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 100 out of 100. Higher than 91% of charities in its peer group (science, under $250k).

  • Independent board

    25 of 25

    12 of 13 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $221,076 spent. SINCE ITS INCEPTION, HRI HAS BEEN HELPING TO DESIGN, REVIEW, AND FUND THE LEADING STUDIES ON PSILOCYBIN AT PROMINENT RESEARCH INSTITUTIONS IN THE UNITED STATES AND EUROPE. HRIS RESEARCH HAS EXPLORED PSILOCYBIN FOR THE TREATMENT OF CANCER-RELATED DISTRESS AND ADDICTION AND FOR BASIC SCIENCE RESEARCH INTO THE PHYSIOLOGY OF BRAIN ACTIVITY, COGNITION, AND BEHAVIOR. THE RESULTS OF THESE STUDIES AND RESEARCH ARE SUBMITTED FOR PUBLICATION IN RECOGNIZED SCIENTIFIC JOURNALS. IN 2024, HRI PAID AND/OR PLEDGED OVER 205,057 IN GRANTS TO ADVANCE SCIENTIFIC CAUSES.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2024.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since May 2021.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

  7. Could it be confused with another charity? Worth knowing.

    A much larger organization has a similar name: Arc Research Institute (Palo Alto, CA), EIN 87-1920284. If that is the one you meant, check the EIN before giving.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.