The short version
Grantmakers fall into a few legal and practical categories: private foundations (including independent, family, and most corporate foundations), private operating foundations, community foundations and other public charities that grant, donor-advised fund sponsors, and giving circles. Each makes decisions differently. Private non-operating foundations must generally distribute about 5% of their investment assets each year, while community foundations raise money from the public and often run competitive grant cycles alongside donor-advised funds.
"Foundation" is a word that covers a lot of very different institutions. A family foundation run from a kitchen table, a community foundation with dozens of staff, and a corporate foundation housed in a company's marketing department all make grants, but they decide in completely different ways. If you approach them all the same way, you'll misfire with most of them.
This guide sorts grantmakers into the main types, explains the rules that shape their behavior, and tells you what that means for how you approach each one.
The big picture
| Type | Legal status | Main money source | Annual IRS form | Typical decision-makers | How you usually get in |
|---|---|---|---|---|---|
| Independent foundation | Private foundation | Endowment from an individual or family, often no longer involved | 990-PF | Professional staff and board | Published guidelines, LOI, or proposal |
| Family foundation | Private foundation | Family endowment, family still governs | 990-PF | Family trustees, sometimes small staff | Often relationships; some open processes |
| Corporate foundation | Usually a private foundation | Company contributions | 990-PF | Company-appointed board, community relations staff | Guidelines tied to business footprint |
| Private operating foundation | Private foundation | Endowment | 990-PF | Staff running the foundation's own programs | Rarely an open grants program |
| Community foundation | Public charity | Many donors in a region | 990 (grants on Schedule I) | Staff, committees, donor advisors | Competitive cycles, plus donor relationships |
| Other grantmaking public charities | Public charity | Public donations, government, foundations | 990 | Staff and board | RFPs and competitive programs |
| Donor-advised fund sponsor | Public charity | Donors' DAF contributions | 990 | Sponsor has legal control; donors recommend | Through the donor, not an application |
| Giving circle | Varies | Pooled member contributions | Varies | Members vote | Nomination or open call |
Private foundations
A private foundation is usually funded by a single source (an individual, a family, or a company) rather than by the general public. Private foundations file Form 990-PF every year, and that return is public, which is why 990-PF research is so powerful.
The 5% minimum distribution requirement
Private non-operating foundations are subject to a minimum distribution requirement under section 4942 of the Internal Revenue Code. In simplified terms, the "distributable amount" is based on a "minimum investment return" of 5% of the value of the foundation's assets that aren't used directly for charitable purposes, with adjustments. If the foundation doesn't make enough qualifying distributions by the end of the following tax year, it owes an initial excise tax of 30% on the undistributed amount, with an additional 100% tax if it still doesn't correct the shortfall.
What this means for you:
- It's a floor, not a ceiling. Some foundations give well above it; many give close to it.
- It's not a grants budget. Qualifying distributions can include reasonable administrative expenses for charitable activities, not just grants.
- It tells you scale. Asset size times roughly 5% gives you a ballpark of annual giving capacity.
Independent foundations
Independent foundations are private foundations whose founding donor or family is no longer the main force in governance. Larger ones typically have professional program staff, published strategies, and formal processes. Many larger independent foundations focus on specific strategies or initiatives and may fund mostly by invitation, so read their guidelines closely.
How they behave: Strategy-driven, process-heavy, often focused on systems change, policy, or specific geographies. Expect detailed proposals, logic models, and evaluation expectations.
How to approach: Follow the published process exactly. Attend webinars and office hours. If the foundation is invitation-only, invest in visibility in its field rather than cold proposals.
Family foundations
"Family foundation" isn't a separate legal category; it describes a private foundation where the donor's family is still involved in governance. Family foundations range from tiny, unstaffed funds to large organizations with professional staff.
How they behave: Priorities often reflect the family's personal interests and hometown. Smaller ones often have no website, no staff, and modest grants. Decisions can be relationship-driven, and some state on their 990-PF that they only fund preselected organizations.
How to approach: Read the 990-PF for geography, typical grants, and whether the foundation accepts unsolicited requests (Part XIV, line 2). Look for board connections to the trustees. Keep correspondence short, personal, and respectful.
Corporate foundations
Most corporate foundations are private foundations funded by a company and file Form 990-PF. They're separate legal entities from the company, but their priorities usually track the company's business interests: communities where it has employees or customers, causes that connect to its industry, and employee engagement. Many companies also give directly from corporate budgets, which works differently. See corporate giving.
How they behave: Geography follows the business footprint. Priorities can shift with business strategy or leadership changes. Grants may come with expectations of recognition or employee involvement.
How to approach: Start with the company's community relations or giving pages, then check the foundation's 990-PF. Local employees, especially those who volunteer with you, can be powerful advocates.
Private operating foundations
A private operating foundation is a private foundation that spends most of its resources running its own charitable programs. The IRS definition requires it to spend at least 85% of its adjusted net income or its minimum investment return (whichever is less) directly on the active conduct of its exempt activities, and to meet one of three additional tests (assets, endowment, or support). Think of museums, research institutes, or libraries set up as private foundations.
How they behave: Their money mostly goes to their own work, so many make few or no outside grants. Some partner with nonprofits on programs that advance their mission.
How to approach: Don't count on an open grants program. If there's a natural program partnership, approach it as collaboration, not a grant request.
Public charities that make grants
Community foundations
Community foundations are public charities that pool gifts from many donors in a defined geographic area and make grants within it. They typically manage several kinds of funds: unrestricted and field-of-interest funds that support competitive grant programs, designated funds for specific organizations, and donor-advised funds where donors recommend grants. In the United States, the Council on Foundations reports that more than 500 community foundations are accredited under the National Standards for U.S. Community Foundations.
How they behave: Local, accessible, and often willing to meet. Many run competitive cycles with published deadlines and also connect donors to nonprofits.
How to approach: Apply to competitive programs, and build relationships with staff who advise donors. Our full guide to community foundations covers this in detail.
Other grantmaking public charities
Plenty of public charities make grants: United Ways, regional and national intermediaries, women's funds, and nonprofits that regrant government or foundation money. They file Form 990 and report grants over $5,000 per domestic recipient on Schedule I.
How they behave: Often run structured RFPs with defined priorities, sometimes tied to the funding they regrant. If the money originally came from a government source, expect compliance requirements that come with it. See government grants for how pass-through funding works.
How to approach: Watch for RFPs, attend bidders' or applicants' conferences, and read scoring criteria carefully.
Donor-advised funds and their sponsors
A donor-advised fund (DAF) is, in the IRS's words, a separately identified fund or account maintained and operated by a 501(c)(3) organization called a sponsoring organization. Once the donor contributes, the sponsoring organization has legal control, but the donor keeps advisory privileges over how the money is granted and invested.
Sponsors include community foundations, national DAF sponsors (often affiliated with financial firms), and some religious and cause-specific charities.
How they behave: There's usually no application. Grants happen when a donor recommends them and the sponsor approves after confirming the recipient is eligible.
How to approach: Treat DAF holders as individual donors. Make it easy for them to recommend a gift: include your legal name, EIN, and mailing address on your website's donation page, and keep your IRS status and Candid profile current so sponsors can verify you quickly.
Giving circles
Giving circles are groups of people who pool their money and decide together where to give it. Some are informal; others are hosted by a community foundation or another nonprofit that holds the funds. Many focus on a particular community, identity, or issue, and members often volunteer or advise alongside their grants.
How they behave: Grants tend to be modest but meaningful, and decisions are made by member vote, sometimes after site visits or pitches. Circles often fund newer, smaller organizations.
How to approach: Watch for open calls or nominations, and look for members within your network. Be ready to present your work in person, plainly and briefly.
How to tell which type you're dealing with
When a name turns up on a peer's donor list, a few quick checks tell you what kind of funder it is:
- Look up its filings. If it files Form 990-PF, it's a private foundation (independent, family, corporate, or operating). If it files Form 990 and lists grants on Schedule I, it's a grantmaking public charity.
- Read the officers list. Family surnames suggest a family foundation; company executives suggest a corporate foundation.
- Check the website. Community foundations describe a service area and list many funds; DAF sponsors describe accounts for donors.
- Look at the grant list. An operating foundation with few outside grants, or a foundation that funds the same few organizations every year, will need a very different approach than one with an open cycle.
Putting it together
When you're scoring prospects, the funder type should shape your effort estimate and approach. The Funder Fit Scorecard helps you weigh access and relationship factors alongside mission and geography, and our grant prospecting guide shows you how to build the full list.
Common questions
What is the difference between a private foundation and a public charity?
A private foundation is typically funded by one source, such as an individual, family, or company, and files Form 990-PF. It faces specific rules, including a minimum distribution requirement for non-operating foundations. A public charity draws support from the broader public or provides services directly. Community foundations are public charities that make grants and file Form 990.
Do all foundations have to give away 5% a year?
No. The minimum distribution requirement in IRC section 4942 applies to private non-operating foundations, and it's calculated as roughly 5% of the value of assets not used directly for charitable purposes, with adjustments. Private operating foundations, which mainly run their own programs, are treated differently. Community foundations and other public charities aren't subject to this rule.
Can I apply for a grant from a donor-advised fund?
Usually not directly. A donor-advised fund is held by a sponsoring organization that has legal control, while the donor recommends grants. There's typically no application. Your path is building relationships with donors who might recommend a grant, and making sure your organization is easy for sponsors to verify and pay.
Is a family foundation different from a private foundation?
Legally, most family foundations are private foundations. 'Family foundation' describes governance: family members serve as trustees and shape priorities. In practice, that often means more personal, relationship-driven decisions, fewer staff, and a narrower geographic focus, so warm introductions and a careful read of the 990-PF matter more.
Sources
We check facts against primary sources wherever possible. Rules and programs change, so confirm details with the funder or agency before you apply.
- 26 U.S. Code § 4942 — Taxes on failure to distribute income (Cornell LII)
- Definition of private operating foundation — IRS
- Donor-advised funds — IRS
- Instructions for Form 990-PF (2025) — IRS
- Instructions for Schedule I (Form 990) — IRS
- Community Foundation National Standards — Council on Foundations
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