Skip to content

Illinois · Nonprofit

FRIENDS OF ILLINOIS NATURE PRESERVES

FRIENDS OF ILLINOIS NATURE PRESERVES (Illinois) receives grants from 18 organizations whose IRS filings report $667,755 to it, the largest being WOODS AND PRAIRIE FOUNDATION ($105,750). 12 of them have funded it in more than one year.

Revenue FY2025
$831k
Funders on record
18
Grants received
$668k
Net assets
$345k
12/18 repeat funderspeak grant-dependency 82%
01What it does

What Friends of Illinois Nature Preserves does

Mission

To support the illinois nature preserves system in its mission of preserving and protecting lands for conservation, science, and compatible recreation.

As stated on its FY2025 Form 990.

Programs

  1. The organization accomplishes its mission through education and outreach, advocacy, and through public celebrations of conservations successes such as nature preserve anniversary celebrations and celebrations of new nature preserves. The organization also recruits, trains, supports, and equips volunteer groups caring for nature preserves.

    $581,778 spentof which $756 as grants
    90% of program spending
  2. The organization is a leader in advocacy efforts to preserve the remaining natural areas in illinois.

    $62,467 spent
    10% of program spending

The 2 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $644,245.

02The organization over time

The organization over time

Each line starts at 100 in 2022, so what you read is the shape rather than the size: 150 means half as much again as 2022, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.

100 = 20222022 Revenue 100 ($189k) Expenses 100 ($143k) Net assets 100 ($84k)2023 Revenue 114 ($216k) Expenses 145 ($208k) Net assets 110 ($92k)2024 Revenue 214 ($406k) Expenses 206 ($294k) Net assets 243 ($204k)2025 Revenue 439 ($831k) Expenses 483 ($690k) Net assets 412 ($345k)
2022202320242025
Revenue (439)Expenses (483)Net assets (412)Peer revenue range

Balance sheet

Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2024 to 2025, from $219k to $346k (+58%).

$84k
$93k
$219k
$346k
2022202320242025
Total assetsTotal liabilities

How it's funded, over time

Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.

2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

Government-grant reliance: 2024 5% · 2025 9%. Grants only. Government contracts and fees sit inside program revenue.

58% of FRIENDS OF ILLINOIS NATURE PRESERVES’s revenue is contributions — about as donation-reliant as the typical peer (88% for the typical peer).

This organization
Typical peer · 4,629 orgs

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 0 of the last 4 reported years ran a deficit.

$46k
’22
$9k
’23
$111k
’24
$141k
’25
5.9
months of
reserve

Leadership and staff

The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.

Chief executive

Amy Doll

Executive director

As listed on its FY2025 Form 990.

202320242025
Listed888
Joined·+1+0
No longer listed·10
03Who funds it

Who funds it, year by year

2020 → 2023: the base broadened from 3 funders to 11 funders, grant income rose $29k → $111k.

6 of 18 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 27% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.

From the IRS filings of FRIENDS OF ILLINOIS NATURE PRESERVES’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

How concentrated its funding is

FRIENDS OF ILLINOIS NATURE PRESERVES has a broad base — no single funder exceeds 16% of grant income, and it takes 4 funders to reach half.

the vertical line marks half of all grant income — 4 funders to its left

27% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund FRIENDS OF ILLINOIS NATURE PRESERVES.

16%
largest funder
46%
top three
~9
effective funders

Largest funder’s share by year: 2020 69% · 2021 33% · 2022 22% · 2023 28% — diversifying over time.

“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

How long its funders stay

60% of FRIENDS OF ILLINOIS NATURE PRESERVES's funders are still giving 2 years after their first grant; 67% give in more than one year at all.

first grant+1y+2y

Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.

Where its funders are

FRIENDS OF ILLINOIS NATURE PRESERVES draws 59% of its grant income from funders outside Illinois, across 6 states in all.

IL
IN
NJ
CO
NE
DE

In-state vs out-of-state, by year

’20
’21
’22
’23
Illinois out of state home

Funder states come from each funder’s own filing. $182k arriving through sponsors registered in 5 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

04Its place in the field

Against its field

FRIENDS OF ILLINOIS NATURE PRESERVES has grown faster than three-quarters of the 2,433 environment nonprofits its size.

Operating margin17% · above the median
Months of reserve5.9mo · below the median
Revenue growth (annualized)64% · top quartile

this organization peer median middle 50% of peers· 2,433 environment nonprofits $100k–$1M, FY2025

Organizations like FRIENDS OF ILLINOIS NATURE PRESERVES

Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.

In Illinois

Nationally

05Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Where the money goes

93% of spending goes to programs.

Program 93%Management 4%Fundraising 3%

Governance

7
board members
100%
independent
✓Conflict-of-interest policy✓Whistleblower policy✓Document retention✓Board reviewed the 990✓Audited financials

Public support

73%

Share of support from the public (Schedule A) — the basis for its public-charity status.

Footprint & structure

Files a return copy in 1 state

IL

Screen this organization

A dated, signed PDF of the compliance screen for FRIENDS OF ILLINOIS NATURE PRESERVES: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.

A paid feature, included from the $75 plan up. Sign in to download.

Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf

Questions and answers

Who funds FRIENDS OF ILLINOIS NATURE PRESERVES?
FRIENDS OF ILLINOIS NATURE PRESERVES (Illinois) receives grants from 18 organizations whose IRS filings report $667,755 to it, the largest being WOODS AND PRAIRIE FOUNDATION ($105,750). 12 of them have funded it in more than one year.
How many funders does FRIENDS OF ILLINOIS NATURE PRESERVES have?
IRS filings report 18 organizations giving $667,755 in grants to FRIENDS OF ILLINOIS NATURE PRESERVES, 12 of which have funded it in more than one year.
Who is the largest funder of FRIENDS OF ILLINOIS NATURE PRESERVES?
WOODS AND PRAIRIE FOUNDATION is the largest funder on record, with $105,750 in grants. The full list of funders is on this page.
How can an organization like FRIENDS OF ILLINOIS NATURE PRESERVES find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Illinois. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

Play a game about who funds Friends of Illinois Nature Preserves →

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2022–2025), and the filings of 18 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing