National Anti-Vivisection Society
Navs is dedicated to ending the exploitation of animals used in science. Navs works to identify and promote solutions that advance humane science in laboratories and classrooms.
Key facts about National Anti-Vivisection Society
In short: National Anti-Vivisection Society gave $364K across 11 grants in 2025 (avg $33K), mostly in Illinois. 18% of 2025 grantees were new. Source: 2025 IRS Form 990 filing.
- EIN
- 36-2229588
- Latest 990 filing
- Form 990 filing, 2025
- Annual giving (2025)
- $364,097
- Grants made (2025)
- 11
- Average grant
- $33,100
- Median grant
- $15,450
- New grantees (estimate)
- 18% first-time grantees (2 of 11, 2025)
- Total assets
- $27,954,292
- Primary geography
- Illinois (67% of itemized 2025 grant dollars)
Data from IRS Form 990 filing, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
Financial Overview
From 2025 IRS Form 990 filing · View filing
Total Assets
$28.0M
+11.6% YoY
Annual Giving
$364K
-15.8% YoY
Grant Count
11
+37.5% YoY
Avg Grant Size
$33K
-38.7% YoY
Is National Anti-Vivisection Society open to new grantees?
18%
first-time grantees, 2025
In 2025, 2 of 11 grantees (18%) were first-time recipients. First grants averaged $10K; repeat grants $38K. How we count
Medians: $10K first-time, $16K repeat.
Estimate from itemized grant lists in IRS Form 990 filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
About National Anti-Vivisection Society
Based on IRS filings
National Anti-Vivisection Society is a nonprofit organization focused on Environment & Animals, based in Chicago, IL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $28.0M in total assets. In 2025, it awarded 11 grants totaling $364K. Net investment income was $1.3M.
Focus Areas
Open Grants
4 open opportunities from National Anti-Vivisection Society
Animal Sanctuary Assistance Program (ASAP)
National Anti-Vivisection Society
Amount
Varies
Deadline
Rolling / Open
BioLEAP Classroom Grant
National Anti-Vivisection Society
Amount
Up to US $1,000
Deadline
Rolling / Open
BioLEAP Classroom Grants
National Anti-Vivisection Society
Amount
Up to $1,000
Deadline
Rolling / Open
Ready to take the next step with National Anti-Vivisection Society?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 11 itemized 2025 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
49 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| INTERNATIONAL FOUNDATION FOR ETHICAL RESEARCH Chicago, IL | TO SUPPORT THE DEVELOPMENT, VALIDATION AND IMPLEMENTATION OF ALTERNATIVES THAT REPLACE THE USE OF ANIMALS IN RESEARCH, TESTING AND EDUCATION. | $150,000 |
| INTERNATIONAL INSTITUTE FOR ANIMAL LAW Chicago, IL | TO SUPPORT THE INSTITUTE'S PROGRAMS FOR THE DEVELOPMENT OF LEGAL SCHOLARSHIP AND ADVOCACY. | $95,000 |
| PRIMATES INCORPORATED Madison, WI | TO ASSIST IN CONSTRUCTING 3 OUTDOOR ENCLOSURES FOR 5 RHESUS MONKEYS RETIRED FROM LABORATORIES | $21,000 |
| KINDNESS RANCH ANIMAL SANCTUARY Hartville, WY | TO ASSIST IN RENOVATING AND ENHANCING THEIR DOG YURTS TO MINIMIZE STRESS AND MAXIMIZE SAFTY FOR ALL RESIDENTS. | $19,932 |
| CHIMP HAVEN Keithville, LA | TO ASSIST WITH PURCHASING AND INSTALLING AN ICE MACHINE TO KEEP THEIR RESIDENTS HYDRATED AND COOL IN THE HEAT. | $16,432 |
| SAVE THE CHIMPS Fort Pierce, FL | EMERGENCY ELECTRICAL SYSTEM UPGRADE IN ONE CHIMP HOUSE | $15,450 |
| BROTHER WOLF ANIMAL RESCUE Asheville, NC | ANIMAL ADOPTION AND RESCUE. | $10,000 |
| ESTHER NEONATAL KITTEN ALLIANCE Arden, NC | RESCUE OF NEWBORN, ORPHANED AND SICK KITTENS. | $10,000 |
| CENTER FOR GREAT APES Wauchula, FL | ORANGUTAN SANCTUARY AND CHIMPANZEE SANCTUARY. | $10,000 |
| PEACEABLE PRIMATE SANCTUARY Winamac, IN | PROVIDE RETIREMENT HOME FOR BABOONS AND MACAQUES THAT HAVE BEEN RETIRED FROM UNIVERSITIES OR RESCUED. | $10,000 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $27,954,292 | $25,040,992 | $13,457,393 |
| Revenue | $4,619,734 | $13,451,023 | $4,594,356 |
| Expenses | $3,557,123 | $3,118,834 | $3,406,919 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $1,263,471 | $689,418 | $547,912 |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
Leadership & Key People
Officers and directors from IRS filings
National Anti-Vivisection Society is led by Kenneth Kandaras, Executive Director on every filing since 2020; 5 of 11 officers listed in 2025 are compensated.
Officers on the 2025 filing
Kenneth Kandaras
Executive Director
On filings since 2020
40 hrs/week
$148K (2020) → $174K (2025)
Michael B. Mann
President & Director
On filings since 2020
1 hr/week
No compensation reported
Andre Davis
Director of Digital Strate
Director of Digital Strategy & Delivery → Director of Digital Strate, 2025
On filings since 2024
40 hrs/week
$112K (2024) → $120K (2025)
Maria Enright
Director
On filings since 2020
1 hr/week
No compensation reported
Mary Ann Ligon
Vice President & Director
On filings since 2020
1 hr/week
No compensation reported
Peter O'Donovan
Director
On filings since 2020
1 hr/week
No compensation reported
Tom Mahoney
Director
On filings since 2020
1 hr/week
No compensation reported
Kenneth Cunniff
Program Consultant & Attorne
On filings since 2020
40 hrs/week
$174K (2020) → $230K (2025)
Juliane Trapp Pearson
Deputy Director
On filings since 2021
40 hrs/week
$106K (2021) → $166K (2025)
Mary Cunniff
Executive Director Emerita
On filings since 2024
15 hrs/week
$33K (2024) → $57K (2025)
Joseph McHugh
Secretary & Treasurer
Secretary & Director → Secretary & Treasurer, 2022
On filings since 2020
1 hr/week
No compensation reported
Former officers (1)
- Former: Vincent Garett Auriemma (2021–2023) — Director of Communications
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
Frequently asked questions about National Anti-Vivisection Society
How much does National Anti-Vivisection Society give each year?
National Anti-Vivisection Society gave $364K across 11 grants in 2025, according to its 2025 IRS Form 990 filing. In 2024 it gave $432K across 8 grants.
What is National Anti-Vivisection Society's typical grant size?
National Anti-Vivisection Society's median grant in 2025 was $15,450, and its average grant was $33,100, across 11 grants on its 2025 IRS Form 990 filing. Organizations receiving their first grant from National Anti-Vivisection Society that year got $10K on average.
Where does National Anti-Vivisection Society give grants?
National Anti-Vivisection Society gives mostly in Illinois: 67% of the grant dollars itemized on its 2025 IRS Form 990 filing went to recipients there. The next largest states were Florida (7%) and Wisconsin (6%). The most frequent recipient cities were Chicago, IL (2 grants).
Does National Anti-Vivisection Society give general operating support?
Not in 2025: none of the 11 grants with a stated purpose on National Anti-Vivisection Society's 2025 IRS Form 990 filing were described as general or operating support.
Who are National Anti-Vivisection Society's largest grantees?
National Anti-Vivisection Society's largest 2025 grantees include International Foundation for Ethical Research ($150,000), International Institute for Animal Law ($95,000) and Primates Incorporated ($21,000), according to its 2025 IRS Form 990 filing. Together they received 73% of its itemized 2025 grant dollars.
How large is National Anti-Vivisection Society?
National Anti-Vivisection Society reported $28.0M in total assets on its 2025 IRS Form 990 filing. Its revenue that year was $4.6M.
What is National Anti-Vivisection Society?
National Anti-Vivisection Society is a nonprofit organization focused on Environment & Animals, based in Chicago, IL. It holds $28.0M in total assets as of 2025.
What is National Anti-Vivisection Society's EIN?
National Anti-Vivisection Society's EIN (Employer Identification Number) is 36-2229588. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching National Anti-Vivisection Society by hand.
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