Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Jul 1965.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
70 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
42 people listed on the 990; $81K paid to officers and key staff.
Pierce Rafferty’s $123K as Executive Dir. is at the 100th percentile of top reported officer pay among 249 <$100K arts & culture nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 1 named individual · Part VII
| Name | FY2025 | FY2024 | FY2022 | FY2021 | FY2020 | FY2019 |
|---|---|---|---|---|---|---|
| Pierce Rafferty | $123,167 | $119,000 | $97,500 | $84,000 | $81,000 | $77,500 |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2Yes
- Top official's pay set by an independent reviewPt VI · Ln 15aNo
Programs and updates
Operates a museum and nature sanctuary on Fishers Island, New York.
Questions for Henry L Ferguson Museum
Your first name shows with your question. Henry L Ferguson Museum answers here, for everyone.
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Maintain and operate a museum on fishers island displaying collections pertaining to local flora and fauna, history and archaeology for the education and benefit of the general public without charge.
Maintain and operate a museum on fishers island displaying collections pertaining to local flora and fauna, history and archaeology for the education and benefit of the general public without charge.
Maintain nature trails in the museum's several sanctuary properties for the protection and conservation of nature and wildlife.
Maintain nature trails in the museum's several sanctuary properties for the protection and conservation of nature and wildlife.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2020 990, line by line.
Download 990
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest | $2.5M | $1.1M | $1.4M | $20.5M | 990 PDF |
| FY2024 | $2.4M | $751K | $1.6M | $18.7M | 990 PDF |
| FY2023 | $0 | $4.2M | −$4.2M | $9.8M | 990 PDF |
| FY2022 | $702K | $671K | $30K | $14.0M | 990 PDF |
| FY2021 | $966K | $658K | $308K | $14.6M | 990 PDF |
| FY2020 Viewing | $769K | $446K | $323K | $13.8M | 990 PDF |
| FY2019 | $771K | $429K | $342K | $13.6M | 990 PDF |
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Schedules filed Part IV
See the full FY2020 990 (1 part)
Part VI · Governance 20 of 20 board members independent, 5 to look at
Form 990 e-file (XML) FY2020 from the IRS · Classification, formation year and address from the IRS Business Master File
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