Siron Foundation
Invitation OnlyWhitewater, Wisconsin · EIN 39-6508464 · Private foundation
Half of its grants to organizations were between $2,000 and $4,000.
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
40% of grants went outside Wisconsin.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Rock County Humane Society | Janesville, WI | Assist pet adoptions | $5,000 |
| Make-A-Wish Foundation | Chicago, IL | Create life-changing wishes for children with critical illnesses. | $5,000 |
| Rock Prairie Presbyterian Church | Janesville, WI | Charitable | $4,000 |
| St Labre Indian School | Ashland, MT | Provide quality education and embraces Native American Cultures | $3,000 |
| Spirit Horse Equine Rescue | Janesville, WI | Rescue, rehabilitation and rehoming of unwanted equines | $3,000 |
| Americaon Heart Association | Dallas, TX | For heart health research and fighting heart disease and strokes to improve lives. | $3,000 |
| Salvation Army | Janesville, WI | Assist indigent | $2,000 |
| Hoo's Woods Raptor Center | Milton, WI | For education and rehabilitation of raptor species, and to inform the general public on the importance of wildlife and habitat. | $2,000 |
| Janesville Performing Arts Center | Janesville, WI | Promote the arts | $1,000 |
| Eisenhower Foundation | Abilene, KS | To honor and champion the life and leadership of Dwight D. Eisenhower | $1,000 |
The return also lists 2 grants to individuals ($6,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $35,000 | 12 |
| 2023 | $32,000 | 12 |
| 2022 | $35,000 | 14 |
Sources
- IRS Form 990-PF, tax year 2024, filed May 14, 2026 - IRS e-file batch, object ID 202621349349103912
- IRS Tax Exempt Organization Search for EIN 39-6508464
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.