Nonprofit · EIN 26-3960330
AQUINAS INSTITUTE INC
Also known as AQUINAS INSTITUTE, The Aquinas Institute
Tax-exempt · GREEN BAY, WI 54303
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $176,281 | $205,454 | -$29,173 | $759,077 | $1,016,338 | -$257,261 |
| December 31, 2024 | 990-PF | $151,949 | $157,797 | -$5,848 | $811,576 | $1,039,664 | -$228,088 |
| December 31, 2023 | 990-PF | $162,445 | $400,411 | -$237,966 | $782,395 | $1,004,635 | -$222,240 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $7,057
- Net rental income
- -$21,686
- Other income
- $169,224
Expenses
- Grants and similar amounts paid
- $75,892
- Disbursements for charitable purposes
- $75,892
- Excise tax on investment income
- $603
Balance sheet and other
- Total assets, start of year
- $811,576
- Total assets, end of year
- $759,077
- Total liabilities, end of year
- $1,016,338
- Net assets, end of year
- -$257,261
- Fair market value of assets
- $666,667
- Qualifying distributions
- $75,892
- Net investment income
- $169,224
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-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JOHN MORTENSEN 4393 ANNAPOLIS AVE, AVE MARIA, FL 34142 | PRESIDENT | 20 | $0 |
| BETH MORTENSEN 4393 ANNAPOLIS AVE, AVE MARIA, FL 34142 | BOARD MEMBER | 20 | $0 |
| MARIETTA MORTENSEN 4190 N COLUMBINE ST, BOISE, ID 83713 | BOARD MEMBER | 0 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JOHN MORTENSEN 4393 ANNAPOLIS AVE, AVE MARIA, FL 34142 | PRESIDENT | 20 | $0 |
| BETH MORTENSEN 4393 ANNAPOLIS AVE, AVE MARIA, FL 34142 | BOARD MEMBER | 20 | $0 |
| MARIETTA MORTENSEN 4190 N COLUMBINE ST, BOISE, ID 83713 | BOARD MEMBER | 0 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JOHN MORTENSEN 4190 N COLUMBINE ST, BOISE, ID 83713 | PRESIDENT | 40 | $60,000 |
| BETH MORTENSEN 4190 N COLUMBINE ST, BOISE, ID 83713 | BOARD MEMBER | 40 | $60,000 |
| MARIETTA MORTENSEN 4190 N COLUMBINE ST, BOISE, ID 83713 | BOARD MEMBER | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 200 PACKERLAND DR STE A, GREEN BAY, WI 54303-4864
- In care of
- % JOHN MORTENSEN
- Mailing address (990-N for 2011)
- 165 Dupont Dr, Lander WY 82520
- Principal officer (990-N for 2011)
- John Mortensen, 165 Dupont Dr, Lander WY 82520
- Signed the 990-PF
- JOHN MORTENSEN, PRESIDENT
- Phone
- (307) 349-7241
- Website
- www.theaquinasinstitute.org
- Return prepared by
- FOCUS CPA INC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 26-3960330
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2009
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Religion-related (X99)
- Assets (IRS master file)
- $759,077
- Income (IRS master file)
- $176,281
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $176,281 | $205,454 | $759,077 | XML |
| 990-T | December 2025 | – | – | – | IRS |
| 990-PF | December 2024 | $151,949 | $157,797 | $811,576 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $162,445 | $400,411 | $782,395 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990-N for 2011 Officer: John Mortensen | December 31, 2011 | ≤ $50,000 receipts | – | – | e-Postcard |
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 26-3960330).
Questions about AQUINAS INSTITUTE INC
- What is the EIN of AQUINAS INSTITUTE INC?
- The employer identification number (EIN) of AQUINAS INSTITUTE INC is 26-3960330.
- Is AQUINAS INSTITUTE INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
- Are donations to AQUINAS INSTITUTE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does AQUINAS INSTITUTE INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of AQUINAS INSTITUTE INC due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AQUINAS INSTITUTE INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who is the principal officer of AQUINAS INSTITUTE INC?
- The 990-N for 2011 names John Mortensen.
- Who are the officers and directors of AQUINAS INSTITUTE INC?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does AQUINAS INSTITUTE INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $176,281, expenses of $205,454 and total assets of $759,077 at year end.
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