Nonprofit · EIN 53-0196523
CARNEGIE INSTITUTION OF WASHINGTON
Tax-exempt · WASHINGTON, DC 20015
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $106,544,070 | $112,285,627 | -$5,741,557 | $1,340,795,229 | $265,864,892 | $1,074,930,337 |
| June 30, 2024 | 990 | $85,558,236 | $113,980,117 | -$28,421,881 | $1,316,876,813 | $233,220,994 | $1,083,655,819 |
| June 30, 2023 | 990 | $129,092,421 | $110,650,959 | $18,441,462 | $1,306,902,993 | $232,278,319 | $1,074,624,674 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $15,855,216
- of which government grants
- $11,147,240
- Program service revenue
- $12,305,423
- Investment income
- $77,999,962
- Royalties
- $45
- Net rental income
- -$16,506
- Net gain from sales of assets
- $74,239,026
- Other revenue
- $383,469
Expenses
- Grants and similar amounts paid
- $1,371,719
- Compensation of officers, directors and key employees
- $2,488,292
- Other salaries and wages
- $47,737,097
- Salaries, compensation and benefits (total)
- $65,587,711
- Professional fundraising fees
- $346,971
- Legal fees
- $641,553
- Accounting fees
- $264,100
- Occupancy
- $5,611,089
- Travel
- $2,050,863
- Depreciation
- $6,854,290
- Program services (functional)
- $85,354,985
- Management and general (functional)
- $24,144,746
- Fundraising (functional)
- $2,785,896
Balance sheet and other
- Total assets, start of year
- $1,316,876,813
- Total assets, end of year
- $1,340,795,229
- Total liabilities, end of year
- $265,864,892
- Net assets, end of year
- $1,074,930,337
- Land, buildings and equipment
- $92,436,379
- Publicly traded securities
- $679,103,790
- Net assets without donor restrictions
- $308,991,789
- Net assets with donor restrictions
- $765,938,548
- Gross unrelated business income
- $29,367
- Gross receipts
- $439,184,960
- Employees
- 488
- Volunteers
- 16
- Year formed
- 1904
- State of legal domicile
- DC
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MICHAEL STAMBAUGH | CHIEF INVESTMENT OFFICER Highest-paid employee | 40 | $953,591 | $63,665 |
| DR ERIC D ISAACS | PRESIDENT (THRU 12/24) Officer | 40 | $879,169 | $98,832 |
| EDWARD LAMADE | INVESTMENT DIRECTOR Highest-paid employee | 40 | $536,812 | $88,855 |
| JOHN S MULCHAEY - PRESIDENT | (BEG 10/24); DIV DIR (THRU 10/24) Officer | 41 | $461,399 | $75,379 |
| MAISHA WILLIAMS | CHIEF FINANCIAL OFFICER (THRU 4/25) Officer | 40 | $462,441 | $64,576 |
| MICHAEL WALTER | DIVISION DIRECTOR Key employee | 40 | $341,872 | $98,800 |
| BENJAMIN J ADERSON | GENERAL COUNSEL & SECRETARY Officer | 40 | $369,357 | $66,966 |
| ANNA M MICHALAK | DEPARTMENT DIRECTOR Former | 40 | $326,209 | $90,409 |
| WILLIAM FAHEY | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $313,838 | $83,741 |
| MARGARET MCFALL-NGAI | DIVISION DIRECTOR Former | 40 | $320,243 | $75,548 |
| YIXIAN ZHENG | DIVISION DIRECTOR Former | 40 | $322,988 | $65,061 |
| REBECCA BERNSTEIN | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $311,880 | $66,285 |
| JEFFREY DUKES | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $246,115 | $75,578 |
| ZHIYONG WANG | ACTING DIRECTOR & SNR STF SCI Former | 40 | $247,919 | $58,601 |
| MARY E MAXON | TRUSTEE & SENIOR VICE PRESIDENT Trustee or director | 41 | $110,275 | $13,408 |
21 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CRAIG R BARRETT | CHAIRMAN Trustee or director, Officer | 6 | $0 |
| DAVID THOMPSON | VICE CHAIRMAN Trustee or director, Officer | 6 | $0 |
| ANNE BONAPARTE | TRUSTEE Trustee or director | 1 | $0 |
| SUZANNE BRENNER | TRUSTEE (BEG (4/25) Trustee or director | 1 | $0 |
| JOHN F CRAWFORD | TRUSTEE Trustee or director | 1 | $0 |
| MICHAEL A DUFFY | TRUSTEE Trustee or director | 2 | $0 |
| SANDRA M FABER | TRUSTEE Trustee or director | 1 | $0 |
| STEPHEN PA FODOR | TRUSTEE (THRU 5/25) Trustee or director | 1 | $0 |
| RUSH D HOLT JR | TRUSTEE (THRU 5/25) Trustee or director | 1 | $0 |
| TOM KORZENECKI | TRUSTEE Trustee or director | 2 | $0 |
| KATHERINE LAPP | TRUSTEE (THRU 5/25) Trustee or director | 1 | $0 |
| MICHAEL LONG | TRUSTEE Trustee or director | 1 | $0 |
| CHRISTINE M MCCARTHY | TRUSTEE Trustee or director | 2 | $0 |
| STEPHEN QUAKE | TRUSTEE Trustee or director | 1 | $0 |
| RAY ROTHROCK | TRUSTEE Trustee or director | 1 | $0 |
| CRISTIAN SAMPER | TRUSTEE Trustee or director | 1 | $0 |
| DAVID SPERGEL | TRUSTEE Trustee or director | 2 | $0 |
| CHRISTOPHER TS STONE | TRUSTEE Trustee or director | 1 | $0 |
| MARSHALL WAIS | TRUSTEE Trustee or director | 1 | $0 |
| MICHAEL WILSON | TRUSTEE Trustee or director | 1 | $0 |
| RANDY STRINGER | INTERIM CFO & TREASURER (BEG 4/25) Officer | 40 | $0 |
990 for the year ended June 30, 2024: 34 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DR ERIC D ISAACS | PRESIDENT Officer | 40 | $1,153,104 | $100,763 |
| MICHAEL STAMBAUGH | CHIEF INVESTMENT OFFICER Highest-paid employee | 40 | $1,019,170 | $59,960 |
| MARGARET MCFALL-NGAI | DIVISION DIRECTOR Key employee | 40 | $563,175 | $78,349 |
| JOHN S MULCHAEY | DIVISION DIRECTOR Key employee | 40 | $563,135 | $71,547 |
| EDWARD LAMADE | INVESTMENT DIRECTOR Highest-paid employee | 40 | $488,060 | $86,603 |
| BENJAMIN J ADERSON | GENERAL COUNSEL & SECRETARY Officer | 40 | $384,561 | $76,968 |
| MICHAEL WALTER | DIVISION DIRECTOR Key employee | 40 | $336,009 | $94,717 |
| ANNA M MICHALAK | DEPARTMENT DIRECTOR Key employee | 40 | $321,886 | $78,384 |
| YIXIAN ZHENG | DIVISION DIRECTOR Key employee | 40 | $326,188 | $60,720 |
| MAISHA WILLIAMS | CHIEF FINANCIAL OFFICER (BEG 04/23) Officer | 40 | $301,288 | $46,284 |
| REBECCA BERNSTEIN | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $304,380 | $42,597 |
| GEORGE D CODY | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $237,388 | $85,641 |
| ELENA LITCHMAN | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $242,306 | $75,879 |
| ZHIYONG WANG | ACTING DIRECTOR & SNR STF SCI Key employee | 40 | $245,868 | $54,517 |
| CRAIG R BARRETT | TRUSTEE/CHAIRMAN Trustee or director, Officer | 6 | $0 | $0 |
| DAVID THOMPSON | TRUSTEE/VICE CHAIRMAN Trustee or director, Officer | 6 | $0 | $0 |
| CHRISTINE M MCCARTHY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CHRISTOPHER TS STONE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CRISTIAN SAMPER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DAVID SPERGEL | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JOHN F CRAWFORD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KATHERINE LAPP | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARSHALL WAIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARY E MAXON | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHAEL A DUFFY | TRUSTEE Trustee or director | 4 | $0 | $0 |
| MICHAEL LONG | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHAEL WILSON | TRUSTEE Trustee or director | 4 | $0 | $0 |
| RAY ROTHROCK | TRUSTEE Trustee or director | 4 | $0 | $0 |
| RUSH D HOLT JR | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SANDRA M FABER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| STEPHEN PA FODOR | TRUSTEE Trustee or director | 2 | $0 | $0 |
| STEPHEN QUAKE | TRUSTEE Trustee or director | 2 | $0 | $0 |
| TOM KORZENECKI | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ANNE BONAPARTE | TRUSTEE (BEG 11/2023) Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 37 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MICHAEL STAMBAUGH | CHIEF INVESTMENT OFFICER Highest-paid employee | 40 | $1,066,281 | $54,164 |
| DR ERIC D ISAACS | PRESIDENT Officer | 40 | $762,869 | $166,718 |
| ELENA LITCHMAN | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $604,144 | $71,257 |
| MARGARET MCFALL-NGAI | DIVISION DIRECTOR (BEG 01/22) Key employee | 40 | $575,108 | $83,189 |
| JOHN S MULCHAEY | DIVISION DIRECTOR Key employee | 40 | $550,071 | $64,505 |
| JEFFREY DUKES | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $541,878 | $43,267 |
| BENJAMIN J ADERSON | GENERAL COUNSEL & SECRETARY Officer | 40 | $377,242 | $70,374 |
| MICHAEL WALTER | DIVISION DIRECTOR Key employee | 40 | $322,259 | $85,997 |
| YIXIAN ZHENG | DIVISION DIRECTOR Key employee | 40 | $323,137 | $56,045 |
| ANNA M MICHALAK | DEPARTMENT DIRECTOR Key employee | 40 | $327,988 | $47,558 |
| REBECCA BERNSTEIN | SCIENTIFIC STAFF MEMBER Highest-paid employee | 40 | $337,161 | $31,212 |
| EDWARD LAMADE | INVESTMENT DIRECTOR Highest-paid employee | 40 | $326,812 | $31,607 |
| MICHAEL MCCARTHY | CHIEF OPERATING OFFICER (THRU 07/22) Officer | 40 | $278,097 | $43,607 |
| GEORGE D CODY | SCIENTIFIC STAFF MEMBER Former | 40 | $231,882 | $80,654 |
| SEUNG YON RHEE | SENIOR STAFF SCIENTIST Former | 40 | $252,456 | $55,181 |
| ZHIYONG WANG | ACTING DIRECTOR & SNR STF SCI Key employee | 40 | $243,256 | $55,269 |
| CRAIG R BARRETT | TRUSTEE/CHAIRMAN Trustee or director, Officer | 6 | $0 | $0 |
| DAVID THOMPSON | TRUSTEE/VICE CHAIRMAN Trustee or director, Officer | 6 | $0 | $0 |
| CHRISTINE M MCCARTHY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| CHRISTOPHER TS STONE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| CRISTIAN SAMPER | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DAVID SPERGEL | TRUSTEE Trustee or director | 1 | $0 | $0 |
| JOHN F CRAWFORD | TRUSTEE Trustee or director | 1 | $0 | $0 |
| KATHERINE LAPP | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MARSHALL WAIS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARY E MAXON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAEL A DUFFY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHAEL LONG | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MICHAEL WILSON | TRUSTEE Trustee or director | 1 | $0 | $0 |
| RAY ROTHROCK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| RUSH D HOLT JR | TRUSTEE Trustee or director | 1 | $0 | $0 |
| SANDRA M FABER | TRUSTEE Trustee or director | 1 | $0 | $0 |
| STEPHEN PA FODOR | TRUSTEE Trustee or director | 1 | $0 | $0 |
| STEPHEN QUAKE | TRUSTEE Trustee or director | 1 | $0 | $0 |
| TOM KORZENECKI | TRUSTEE Trustee or director | 1 | $0 | $0 |
| MAISHA WILLIAMS | CHIEF FINANCIAL OFFICER (BEG 04/23) Officer | 40 | $0 | $0 |
| RANDY STRINGER | INTERIM CFO (THRU 04/23) Officer | 40 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 5241 BROAD BRANCH RD NW, WASHINGTON, DC 20015-1305
- In care of
- % TIMOTHY DOYLE
- Principal officer (990 for 2024)
- DR JOHN MULCHAEY, 5241 BROAD BRANCH ROAD NW, WASHINGTON, DC 200151305
- Signed the 990
- RANDY STRINGER, CHIEF FINANCIAL OFFICER
- Phone
- (202) 387-6400
- Website
- WWW.CARNEGIESCIENCE.EDU
- Return prepared by
- GRANT THORNTON ADVISORS LLC
Mission
SEE SCHEDULE O.
Program accomplishments
- SEE SCHEDULE O.Expenses $74,965,605 · revenue $12,305,423
- SEE SCHEDULE O.Expenses $10,389,380 · grants $1,371,719
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 53-0196523
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- School
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1914
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U310)
- Assets (IRS master file)
- $1,340,795,229
- Income (IRS master file)
- $439,184,960
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $106,544,070 | $112,285,627 | $1,340,795,229 | IRS |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $85,558,236 | $113,980,117 | $1,316,876,813 | IRS |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $129,092,421 | $110,650,959 | $1,306,902,993 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $164,744,772 | $98,417,818 | $1,305,606,009 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 53-0196523).
Questions about CARNEGIE INSTITUTION OF WASHINGTON
- What is the EIN of CARNEGIE INSTITUTION OF WASHINGTON?
- The employer identification number (EIN) of CARNEGIE INSTITUTION OF WASHINGTON is 53-0196523.
- Is CARNEGIE INSTITUTION OF WASHINGTON tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1914.
- Are donations to CARNEGIE INSTITUTION OF WASHINGTON tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CARNEGIE INSTITUTION OF WASHINGTON file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of CARNEGIE INSTITUTION OF WASHINGTON due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CARNEGIE INSTITUTION OF WASHINGTON last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of CARNEGIE INSTITUTION OF WASHINGTON?
- The 990 for the year ended June 30, 2025 names DR JOHN MULCHAEY.
- Who are the officers and directors of CARNEGIE INSTITUTION OF WASHINGTON?
- The 990 for the year ended June 30, 2025 lists 36 people; 15 received compensation from the organization, the highest $953,591 (MICHAEL STAMBAUGH, CHIEF INVESTMENT OFFICER).
- How much revenue does CARNEGIE INSTITUTION OF WASHINGTON have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $106,544,070, expenses of $112,285,627 and total assets of $1,340,795,229 at year end.
Other nonprofits in WASHINGTON
- AMERICAN CHEMICAL SOCIETY EIN 53-0196572 · last filed 990 for 2024
- ASSOCIATION OF UNIVERSITIES FOR EIN 86-0138043 · last filed 990 for 2025
- NATIONAL ACADEMY OF SCIENCES EIN 53-0196932 · last filed 990 for 2024
- SOUTHEASTERN UNIVERSITIES RESEARCH ASSOCIATION INC EIN 54-1156453 · last filed 990 for 2025
- NATIONAL SPECTRUM CONSORTIUM INC EIN 88-1444289 · last filed 990 for 2025
- AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE EIN 53-0196568 · last filed 990 for 2024
- SOCIETY FOR SCIENCE AND THE PUBLIC EIN 53-0196483 · last filed 990 for 2024
- AMERICAN GEOPHYSICAL UNION EIN 52-0955532 · last filed 990 for 2024
All nonprofits in WASHINGTON · District of Columbia · Science and technology