The Wistar Institute
Legal name: The Wistar Institute of Anatomy and Biology
Nonprofit profile at a glance
- EIN
- 236434390
- IRS 990 coverage
- 2010–2025
- Official website data refreshed
- Sep 2026
- Forms available
- Form 990 2025, Form 990-T 2025
- Location
- Philadelphia, PA, USA
- Phone
- 215-898-3700
- Rating
- 79
- Verdict
- SUPPORTED
- Rating confidence
- Moderate
- Sector
- Cancer Research
Reported finances
- Revenue
- $77,322,000
- Expenses
- $89,910,000
- Assets
- $419,150,000
- Liabilities
- $69,397,000
Source: IRS Form 990. Selected filing: tax year 2025. Amounts in USD.
Leadership & pay
51 people listed
Executive titles in this filing
- DARIO ALTIERI MD (PRESIDENT & CEO, DIRECTOR OF WISTAR CANCER CENTER)
- DAVID B WEINER (EXECUTIVE VICE PRESIDENT)
- JOANN MENDEL (VICE PRESIDENT, HUMAN RESOURCES)
Highest reported compensation
- DARIO ALTIERI MD (PRESIDENT & CEO, DIRECTOR OF WISTAR CANCER CENTER): $758,347 total reported compensation
- LUIS MONTANER (PROFESSOR VP, SCIENTIFIC OPERATIONS): $595,164 total reported compensation
- DAVID B WEINER (EXECUTIVE VICE PRESIDENT): $570,149 total reported compensation
Source: IRS Form 990. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.
Overview
Mission
To save lives through science.
What it reported doing in 2025
The wistar institute is the nation's first independent nonprofit institution devoted exclusively to foundational biomedical research and training. Through a culture and commitment to biomedical collaboration and innovation, wistar science leads to breakthrough early-stage discoveries. Wistar scientists are dedicated to solving some of the world's most challenging problems in the fields of cancer and immunology, advancing human health through early-stage discovery and training the next generation of biomedical researchers. Core centers within the wistar institute includes its internationally recognized ellen and ronald caplan cancer center, designated a national cancer institute (nci) cancer center in 1972. In 2015, the center renewed its designation and received the first of two consecutive "exceptional" ratings that it retains today, the highest possible ranking a cancer center can receive. Wistar's HIV cure and viral disease center is one of the few centers in the nation dedicated to HIV cure research. Wistar scientists as well as scientists throughout the philadelphia region benefit from the technological support and state-of-the-science instrumentation provided by the institute's shared resources.wistar's hubert j.p. Schoemaker education and training center has launched new collaborations with local and international institutions with the goal of expanding life science education in Pennsylvania and beyond. Wistar has a robust range of stem-based programs focused on life science careers for students and adult learners. Wistar's education & training programs support stem-based, biomedical research career opportunities for high school, undergraduate, graduate students and postdoctoral fellows.
Operating model
- Revenue model
- Grant-funded. 68% of the money available for current operations came from government grants.
- Distribution model
- Direct operator. The filing allocates 100% of reported program-service expenses outside its grant, affiliate-payment, and member-benefit lines. This expense classification does not rule out separately announced grant awards.
- Includes noncash contributions: Reported contributions include donated property or goods.
The verdict
SUPPORTED - A large share of available resources goes toward mission work and most voting board members are independent. The filing reports few safeguards for money sent abroad and the filing does not identify recipients for some grant dollars.
Rating breakdown
- Financial Efficiency: 87
- Transparency & Controls: 57
- Accountability: 100
- Sustainability: 34
- Growth: 100
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: 97.5%; rating input score 97
- Program expense ratio: 79.2%; rating input score 79
- Fundraising efficiency: $37 raised per $1 spent on fundraising; rating input score 61; 61st percentile among comparable filings
Transparency & Controls
- Consistency checks: 100%; rating input score 100; 66th percentile among comparable filings
- Pay-setting controls: 4 of 6 controls in place; rating input score 67
- Compensation committee: Pass
- Independent consultant: Pass
- Other Form 990s reviewed: Missing
- Written employment contract: Missing
- Compensation survey or study: Pass
- Board or committee approval: Pass
- Foreign activity oversight: Scored; rating input score 0
- Grant itemization coverage: Scored; rating input score 0
- Major donor itemization: Yes; rating input score 100
- Related-party transparency: Scored; rating input score 0
Accountability
- Independent voting board: 100%; rating input score 100; 65th percentile among comparable filings
- Governance controls: 9 of 9 controls in place; rating input score 100
- Conflict-of-interest policy: Pass
- Whistleblower policy: Pass
- Document-retention policy: Pass
- CEO compensation review process: Pass
- Other executive compensation review process: Pass
- Form 990 shared with the board: Pass
- Board meeting minutes documented: Pass
- Audit committee oversight: Pass
- Independent financial-statement audit: Pass
Sustainability
- Operating margin: -16.3%; rating input score 2; 2nd percentile among comparable filings
- Total-asset coverage ratio: 4.66; rating input score 79; 79th percentile among comparable filings
- Liabilities to assets ratio: 0.17; rating input score 70; 70th percentile among comparable filings
- Officer compensation ratio: 6.9%; rating input score 10; 10th percentile among comparable filings
Growth
- Program expense growth: 4.5% per year; rating input score 100; 34th percentile among comparable filings
- Revenue growth: 2.8% per year; rating input score 100; 21st percentile among comparable filings
- Asset growth: 6.4% per year; rating input score 100; 45th percentile among comparable filings
Details
- What they do: 7 programs and campaigns described on the official site · 1 operating location identified
- Where the money goes: 97.5% of revenue deployed · 79.2% of spending went to programs
- Governance: 32 of 32 board members independent · 9 of 9 filing controls reported
- Programs: 1 filed program accomplishment · $71.2M in reported program spending
- Leadership: top reported pay $758K · 51 people listed · 4 of 6 pay-setting controls reported
- Highest-paid contractors: 5 contractors listed · $8.8M reported
- Consistency: 37 of 37 current checks pass
- Schedules: 10 filed schedules · includes major donors, foreign activity, executive pay, and related organizations
- Filing history: 14 filing years from 2010 to 2025
- Contacts: How to reach this organization
- Money network: 15 filed money-flow records
- Related organizations: 2 filed related-organization links
- Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
- People: Everyone the filings name, and which of them the filings identify by more than a name.
- Staff and benefit plans: Retirement and health plans the organization files with the Department of Labor, and the people in them.
Key Signals
Signals prioritize questions for review. They are not findings of misconduct.
- High — Transparency & Controls: Foreign activity oversight scored 0/100.
- High — Transparency & Controls: Grant itemization coverage scored 0/100.
- High — Sustainability: Operating margin scored 2/100.
- High — Transparency & Controls: Related-party transparency scored 0/100.
- High — Sustainability: Officer compensation ratio scored 10/100.