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Weizmann Institute of Science

institutions in the world, noted for its wide-ranging exploration of the sciences and technology.

Science & Technology Israel EIN: 980413360 (IRS) Sign up to see website
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77
Integrity Assessment
Strong transparency
77/100 · methodology

About Weizmann Institute of Science

The Weizmann Institute of Science is one of the world’s leading multidisciplinary basic research institutions in the natural and exact sciences. It is located in Rehovot, Israel, just south of Tel Aviv. It was initially established as the Daniel Sieff Institute in 1934, by Israel and Rebecca Sieff of London in memory of their son Daniel. In 1949, it was renamed for Dr. Chaim Weizmann, the first President of the State of Israel and Founder of the Institute.

Founded
Headquarters
Israel
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
U500
IRS subsection
501(c)(c3)
Ruling date
Size
major

Mission

institutions in the world, noted for its wide-ranging exploration of the sciences and technology.

Focus areas & reach

· What they work on and where
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

How it stacks up against peers

· vs. 8 similar science & technology in United States
Program spending This charity: 93%
Peer average: 86%
CEO comp as % of revenue This charity: 0.04%
Peer average: 0.48%
Integrity Assessment This charity: 77
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2024 · IRS 990 (FY2024)
$0.93
Program$0.93
93% to programs beats the peer average (86%) and beats the Charity Navigator "highly efficient" threshold (75%).

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

GiveRadar's verified records show Weizmann Institute of Science with a complete profile, cross-referenced across 6 independent sources including the IRS.

  • GiveRadar holds 14 years of financial filings for this organization, the most recent for fiscal year 2024 - a deeper filing history than 97% of the 3,236 science & technology charities in the United States with filings on record. See the filings
  • By reported annual revenue, it is larger than 98% of the 3,150 science & technology charities in the United States with financial records on GiveRadar. See the filings
  • GiveRadar has verified more about this organization than about 87% of the 7,611 science & technology charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
GiveRadar has verified
  • government registration
  • financial records (14 filed years)
  • disclosed leadership
  • a website
Not yet verified by GiveRadar
  • a contact email
  • a donation page
  • third-party accreditation (present for 90% of comparable organizations)
  • 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 + methodology

Weizmann Institute of Science is a registered science & technology nonprofit based in Israel, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1947 and has been operating for 79 years. Its EIN is 980413360. GiveRadar's Integrity Assessment for the organization is 77/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $933M in annual revenue. 338 officers and directors are publicly disclosed. No red flags have been detected.

Weizmann Institute of Science's EIN (Employer Identification Number) is 980413360. 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.

Weizmann Institute of Science has a GiveRadar Integrity Assessment of 77/100. 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 77 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 93% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for science & technology charities in United States is 90/100.

Weizmann Institute of Science is located in Israel, United States. The organization was established in 1947 and has been active for 79 years. Its registered address is Rehovot 7610001, United States.

Based on official tax filings, Weizmann Institute of Science has $933M in annual revenue. It allocates 93% of expenses to programs and services. This is above the average of 86% for science & technology charities in United States. Its revenue is significantly above the peer average of $15M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Weizmann Institute of Science is classified as a Science & Technology organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a major organization. It has $933M in annual revenue. The organization has 338 disclosed officers and directors.

No red flags have been detected for Weizmann Institute of Science. 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, Weizmann Institute of Science is registered with the Internal Revenue Service (IRS) and overseen by the IRS. It reports that 93% of expenses go to programs (the peer average is 86%). 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 Weizmann Institute of Science is one of the world’s leading multidisciplinary basic research institutions in the natural and exact sciences. It is located in Rehovot, Israel, just south of Tel Aviv. It was initially established as the Daniel Sieff Institute in 1934, by Israel and Rebecca Sieff of London in memory of their son Daniel. In 1949, it was renamed for Dr. Chaim Weizmann, the first President of the State of Israel and Founder of the Institute. Weizmann Institute of Science is classified as a science & technology organization registered in United States. The organization was founded in 1947.

Among science & technology charities registered in United States: It allocates 93% of expenses to programs, above the peer average of 86%. Its annual revenue of $933M is well above the peer average of $15M.

Yes, donations to Weizmann Institute of Science are generally tax-deductible in the United States. Its EIN is 980413360, 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.

Annual revenue
$100M-$1B
93% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

10 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020, FY2019, FY2018, FY2017, FY2016, FY2015.
Financial details are free - with a GiveRadar account

See 5 years of revenue, expense breakdowns, and balance sheet.

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

From FY2024 filing

TA
Tamir K••••••
Head of Finance Div

Officers & trustees (25)

Source: Public filings

See full names, roles, and stories

25 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

10 articles found

From news sources and the organization. Shown for transparency; news never affects the integrity score.

Mathematician Ofer Zeitouni, Professor at the Weizmann Institute of Scienc… - polytechnique.edu

www.polytechnique.edu ·

The Weizmann Institute of Science Ranked Sixth in the World for Research Quality - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

Weizmann Institute of Science Launches the Michael Sela Prize in Biomedical Sciences - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

Weizmann Institute of Science Moves to 100% Green Electricity - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

The Weizmann Institute of Science Ranked among the World’s Top Ten Academic Institutions - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

THE WEIZMANN INSTITUTE OF SCIENCE RECEIVES $50 MILLION (USD) FROM THE AZRIELI FOUNDATION TO HELP HUMANITY UNLOCK THE MYSTERIES OF THE BRAIN - Yahoo Finance

finance.yahoo.com ·

The Weizmann Institute of Science Receives $50 Million from the Azrieli Foundation to Help Humanity Unlock the Mysteries of the Brain - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

The Weizmann Institute of Science Ranked Eighth in the World for Scientific Performance - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

Weizmann Institute of Science and MBZUAI Establish Joint AI Program - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

Weizmann Institute of Science Ranked Eighth in the World for Research Quality - Weizmann Wonder Wander

wis-wander.weizmann.ac.il ·

Activity timeline

Filings and press mentions, merged

Mathematician Ofer Zeitouni, Professor at the Weizmann Institute of Scienc… - polytechnique.edu
Jun 2026
www.polytechnique.edu
The Weizmann Institute of Science Ranked Sixth in the World for Research Quality - Weizmann Wonder Wander
Oct 2025
wis-wander.weizmann.ac.il
Weizmann Institute of Science Launches the Michael Sela Prize in Biomedical Sciences - Weizmann Wonder Wander
Sep 2025
wis-wander.weizmann.ac.il
Weizmann Institute of Science Moves to 100% Green Electricity - Weizmann Wonder Wander
Jan 2025
wis-wander.weizmann.ac.il
Form filed
$933.1M revenue
FY2024
IRS 990
The Weizmann Institute of Science Ranked among the World’s Top Ten Academic Institutions - Weizmann Wonder Wander
Aug 2024
wis-wander.weizmann.ac.il
Form filed
$938.4M revenue
FY2023
IRS 990
Form filed
$638.5M revenue
FY2022
IRS 990
Form filed
$1045.7M revenue
FY2021
IRS 990
THE WEIZMANN INSTITUTE OF SCIENCE RECEIVES $50 MILLION (USD) FROM THE AZRIELI FOUNDATION TO HELP HUMANITY UNLOCK THE MYS
Nov 2021
finance.yahoo.com
The Weizmann Institute of Science Receives $50 Million from the Azrieli Foundation to Help Humanity Unlock the Mysteries
Nov 2021
wis-wander.weizmann.ac.il
The Weizmann Institute of Science Ranked Eighth in the World for Scientific Performance - Weizmann Wonder Wander
Nov 2021
wis-wander.weizmann.ac.il
Weizmann Institute of Science and MBZUAI Establish Joint AI Program - Weizmann Wonder Wander
Feb 2021
wis-wander.weizmann.ac.il
Form filed
$512.7M revenue
FY2020
IRS 990
Weizmann Institute of Science Ranked Eighth in the World for Research Quality - Weizmann Wonder Wander
Nov 2020
wis-wander.weizmann.ac.il
Form filed
$414.5M revenue
FY2019
IRS/ProPublica
Form filed
$613.5M revenue
FY2018
IRS/ProPublica
Form filed
$782.3M revenue
FY2017
IRS/ProPublica
Form filed
$561.9M revenue
FY2016
IRS/ProPublica
Form filed
$512.0M revenue
FY2015
IRS/ProPublica

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
Science & Technology this charity 7,612
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

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 - 338 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
ProPublica Nonprofit Explorer
Supplementary verification
Wikidata structured data
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
100%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2024 on record
  • Named leadership · 338 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1947
Not available · 1
  • Programs & activities
    No 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.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Weizmann Institute of Science

What is Weizmann Institute of Science?
Weizmann Institute of Science is a science & technology publicly-supported charity (509(a)(2)) based in Israel, United States. The Weizmann Institute of Science is one of the world’s leading multidisciplinary basic research institutions in the natural and exact sciences. It is located in Rehovot, Israel, just south of Tel Aviv. It was initially established as the Daniel Sieff Institute in 1934, by Israel and Rebecca Sieff of London in memory of their son Daniel. In 1949, it was renamed for Dr. Chaim Weizmann, the first President of the State of Israel and Founder of the Institute.
When was Weizmann Institute of Science founded?
Weizmann Institute of Science was founded in 1947.
Who leads Weizmann Institute of Science?
Tamir Kadishi serves as Head of Finance Div.
Where is Weizmann Institute of Science located?
Headquartered in Israel, United States.
What is Weizmann Institute of Science's annual budget?
Annual revenue for fiscal year 2024 is approximately $100M-$1B. 93% of expenses go to program services.
Is Weizmann Institute of Science trustworthy?
Weizmann Institute of Science has a GiveRadar Integrity Assessment of 77 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 Weizmann Institute of Science's registration number?
IRS EIN: 980413360.
What is Weizmann Institute of Science's website?
http://www.weizmann.ac.il