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Foundation

Wyss Foundation

“To protect the most vulnerable natural habitats on Earth.”

Home groundWashington, DC
Founded1998
Tax status501(c)(3)

Every way to help ↓

The work

What they do

Swiss philanthropic foundation that has invested billions in land conservation.

The filings

10 years of filings

Total revenue by fiscal year, as filed. Point at or tap the line for any year.

$25M$50M$75M$100M$125M$150M$175M$200M$225M$250M$275M$300M$325M$350M$375M$400M$425M$450M$475M$500M$525M$550M$575M$600M$625M$650M$675M$700M$725M$750M$775M$800M$825M$850M$875M$900M$925M$950M$975M$1000M$1025M$1050M$1075M$1100M$1125M$1150M$1175M$1200M$1225M$1250M$1275M$1300M$43.4M FY2320112023
Total revenue by fiscal year
YearRevenue
2011$191,837,933
2012$1,257,670,048
2013$213,267,457
2014$152,221,366
2015$57,150,635
2019$85,071,380
2020$34,466,169
2021$87,934,076
2022$55,225,697
2023$43,385,767

From $191.8M in 2011 to $43.4M in FY23, across 10 public filings (none on record for 2016, 2017 and 2018). 2012, at $1.3B, stands well above the other years on file.

Under threat right now

The most urgent fights on the record

Open comment windows first, then live federal cases. Each opens the groups defending it.

  1. Comments close Oct 16 · 1 day leftCumberland Island National SeashoreGeorgia
  2. Comments close Oct 23 · 8 days leftWhite Mountain National ForestNew Hampshire
  3. Comments close Oct 26 · 11 days leftGifford Pinchot National ForestWashington
  4. Comments close Nov 2Gates of the Arctic (Ambler Road)Alaska

Every place under threat, the fifty states and the wildlife, each with who’s on the record for it.

Where and what

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More groups in Washington DC

Ways in

How to help

Stand with the Wyss Foundation

The mission is theirs. The backing is yours.

Sources and methodFinancials, headcounts, and program text: IRS Form 990, FY2023 and 9 prior filings via ProPublica Nonprofit Explorer, EIN 25-1823874. Org-reported figures are always labeled. Data verified as of 2026-09-23. Nothing on this page is pay-to-play.