The Wistar Institute of Anatomy and Biology
Biomedical research with special expertise in cancer research and vaccine development (immunology).
The Wistar Institute Of Anatomy And
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The Wistar Institute is a global leader in biomedical research with special expertise in cancer, immunology, infectious disease, and vaccine development. Wistar is the nation’s first independent institution devoted to biomedical research, training the next generation of leaders in science and supporting the innovation ecosystem.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
Biomedical research with special expertise in cancer research and vaccine development (immunology).
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar health in United StatesConcerns
· None foundWhere every $1 goes
· FY2024 · IRS 990 (FY2024)GiveRadar Analysis
Original analysis from GiveRadar's dataset of comparable organizations
Based on the records currently verified by GiveRadar, The Wistar Institute of Anatomy and Biology has a complete profile, sourced from the IRS.
- Established in 1892, it is among the oldest health charities in the United States GiveRadar tracks. View this cohort
- By reported annual revenue, it is larger than 85% of the 50,227 health charities in the United States with financial records on GiveRadar. See the filings
- Its integrity score of 80 places it in the top 5% of the 98,862 health charities in the United States GiveRadar tracks, because GiveRadar has verified its financial disclosures and its governance. View this cohort
- government registration
- financial records (5 filed years)
- disclosed leadership
- a website
- a contact email
- a donation page
- an owner-submitted profile claim
Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.
Common questions
· Auto-generated from filings + methodologyThe Wistar Institute of Anatomy and Biology is a registered health nonprofit based in Philadelphia, PA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1892 and has been operating for 134 years. Its EIN is 236434390. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 80/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $93M in annual revenue. 191 officers and directors are publicly disclosed. No red flags have been detected.
The Wistar Institute of Anatomy and Biology's EIN (Employer Identification Number) is 236434390. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.
The Wistar Institute of Anatomy and Biology has a GiveRadar Integrity Assessment of 80/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 80 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 79% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for health charities in United States is 90/100.
The Wistar Institute of Anatomy and Biology is located in Philadelphia, PA, United States. The organization was established in 1892 and has been active for 134 years.
Based on official tax filings, The Wistar Institute of Anatomy and Biology has $93M in annual revenue. It allocates 79% of expenses to programs and services. This is below the average of 85% for health charities in United States. Its revenue is significantly above the peer average of $41M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
The Wistar Institute of Anatomy and Biology is classified as a Health organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a very-large organization. It has $93M in annual revenue. The organization has 191 disclosed officers and directors.
No red flags have been detected for The Wistar Institute of Anatomy and Biology. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
According to GiveRadar's records, The Wistar Institute of Anatomy and Biology holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 79% of expenses go to programs (the peer average is 85%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.
The Wistar Institute is a global leader in biomedical research with special expertise in cancer, immunology, infectious disease, and vaccine development. Wistar is the nation’s first independent institution devoted to biomedical research, training the next generation of leaders in science and supporting the innovation ecosystem. The Wistar Institute of Anatomy and Biology is classified as a health organization registered in United States. The organization was founded in 1892.
Among health charities registered in United States: It allocates 79% of expenses to programs, below the peer average of 85%. Its annual revenue of $93M is well above the peer average of $41M.
Yes, donations to The Wistar Institute of Anatomy and Biology are generally tax-deductible in the United States. Its EIN is 236434390, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.
Filing history
5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
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Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Staff & volunteers
From filings and published profiles
Leadership
From FY2024 filing
Officers & trustees (25)
Source: Public filings
25 officers and trustees on file - free with a GiveRadar account.
Latest news
From global news sources
No recent news coverage found
News coverage will appear here when articles mention this organization.
Activity timeline
Filings and press mentions, merged
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How many charities work in each area, with this charity's area highlighted.
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Causes charities work on most.
Sources and verification
- Registration and legal identity
- Internal Revenue Service (IRS) - Tax Exempt Organization Search
- Financial filings
- IRS Form 990 filings - Fiscal year 2024 most recent on file.
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search - 191 disclosed in the public registry.
Data freshness
What we know and don't know
Exactly which public data we hold on this charity. Our score reflects transparency, not impact.
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Financial data · FY2024 on record
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Named leadership · 191 officers on file
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Executive pay · Disclosed
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Government registration · Registered with an official registry
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Mission statement · Published
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Official website · On record
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Headquarters address · On file
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Direct contact · Email or phone published
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Tax-deductibility · Verified
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Founding date · 1892
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Programs & activitiesNo named programs listed by the charity
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
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Quick facts about The Wistar Institute of Anatomy and Biology
- What is The Wistar Institute of Anatomy and Biology?
- The Wistar Institute of Anatomy and Biology is a health publicly-supported charity (509(a)(2)) based in Philadelphia, United States. The Wistar Institute is a global leader in biomedical research with special expertise in cancer, immunology, infectious disease, and vaccine development. Wistar is the nation’s first independent institution devoted to biomedical research, training the next generation of leaders in science and supporting the innovation ecosystem.
- When was The Wistar Institute of Anatomy and Biology founded?
- The Wistar Institute of Anatomy and Biology was founded in 1892.
- Who leads The Wistar Institute of Anatomy and Biology?
- Constantine Stoios serves as Chief Financial Officer.
- Where is The Wistar Institute of Anatomy and Biology located?
- Headquartered in Philadelphia, PA, United States.
- What is The Wistar Institute of Anatomy and Biology's annual budget?
- Annual revenue for fiscal year 2024 is approximately $10M-$100M. 79% of expenses go to program services.
- Is The Wistar Institute of Anatomy and Biology trustworthy?
- The Wistar Institute of Anatomy and Biology has a GiveRadar Integrity Assessment of 80 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is The Wistar Institute of Anatomy and Biology's registration number?
- IRS EIN: 236434390.
- What is The Wistar Institute of Anatomy and Biology's website?
- http://www.wistar.org