Foundation directory

Foundations starting with M

843 private foundations with profiled giving history. Figures from IRS 990-PF filings. Search every letter at once.

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Typical grant is the median of grants reported in the filing data. Application details come from the latest filing and can be out of date, so confirm them with the foundation.

101–200 of 843 foundations in this list.

The Marilyn and Sonny Oates Foundation

Latest IRS filing: 2024

Most reported giving: TX, NC, PA

Typical grant
$37.5K
Total giving
$11.3M
Grants reported
14
Marriott Daughters Foundation

Latest IRS filing: 2024

Most reported giving: MD, UT, CA

Typical grant
$15K
Total giving
$11M
Grants reported
126
Marshall Legacy Foundation

Latest IRS filing: 2024

Most reported giving: LA, TX, CO

Typical grant
$100K
Total giving
$11M
Grants reported
25
Mark & Anla Cheng Kingdon Foundation

Latest IRS filing: 2024

Most reported giving: NY

Typical grant
$25K
Total giving
$10.8M
Grants reported
87
Marjorie Lindsey Charitable Trust Uad

Latest IRS filing: 2025

Most reported giving: CA, GA, FL

Typical grant
$317.5K
Total giving
$10.7M
Grants reported
34
Mustang Foundation Inc

Latest IRS filing: 2025

Most reported giving: NJ, NY, CA

Typical grant
$37.5K
Total giving
$10.1M
Grants reported
76
The Maguire Foundation

Latest IRS filing: 2024

Most reported giving: PA, DC, MD

Typical grant
$50K
Total giving
$10M
Grants reported
69
Myer Family Charitable Foundation

Latest IRS filing: 2025

Most reported giving: TX, FL, NY

Typical grant
$30K
Total giving
$10M
Grants reported
119
Moses Taylor Foundation Inc

Latest IRS filing: 2024

Most reported giving: PA, NJ, NY

Typical grant
$35.7K
Total giving
$9.9M
Grants reported
144
Mansueto Foundation

Latest IRS filing: 2024

Most reported giving: IL, FL, NY

Typical grant
$50K
Total giving
$9.8M
Grants reported
51
Marguerite Delany Hark Foundation

Latest IRS filing: 2025

Most reported giving: FL, IL, CO

Typical grant
$50K
Total giving
$9.7M
Grants reported
41
Margaret A Roberts Charitable Foundation

Latest IRS filing: 2025

Most reported giving: NY, OH, MN

Typical grant
$20K
Total giving
$9.6M
Grants reported
32
The Molina Healthcare Charitable Foundation

Latest IRS filing: 2024

Most reported giving: NV, OH, MS

Typical grant
$20K
Total giving
$9.6M
Grants reported
233
The Mary Morton Parsons Foundation

Latest IRS filing: 2024

Most reported giving: VA, MN, CT

Typical grant
$50K
Total giving
$9.5M
Grants reported
71
Mars Snacking Foundation

Latest IRS filing: 2025

Most reported giving: CT, NY, IL

Typical grant
$108.9K
Total giving
$9.5M
Grants reported
42
Metropoulos Family Foundation

Latest IRS filing: 2025

Most reported giving: MA, NY, CA

Typical grant
$20K
Total giving
$9.3M
Grants reported
60
Moreno Family Foundation

Latest IRS filing: 2024

Most reported giving: AZ, CA, KS

Typical grant
$25K
Total giving
$9.2M
Grants reported
81
Michael and Noemi Neidorff Family Founda

Latest IRS filing: 2024

Most reported giving: MO, NV, PA

Typical grant
$850K
Total giving
$9.2M
Grants reported
10
Merkin Family Foundation

Latest IRS filing: 2023

Most reported giving: CA, MD

Typical grant
$55K
Total giving
$9.2M
Grants reported
14
Massey Family Foundation

Latest IRS filing: 2024

Most reported giving: VA, WV, KY

Typical grant
$30K
Total giving
$8.6M
Grants reported
156
Mbk Educational Foundation Inc

Latest IRS filing: 2024

Most reported giving: PA, NY, IL

Typical grant
$358.3K
Total giving
$8.6M
Grants reported
7
Mayberg Foundation Inc

Latest IRS filing: 2024

Most reported giving: MD, NY, NJ

Typical grant
$10K
Total giving
$8.5M
Grants reported
124
Marek Family Foundation

Latest IRS filing: 2025

Most reported giving: TX, VA, IL

Typical grant
$7.5K
Total giving
$8.3M
Grants reported
310
Mead Family Foundation

Latest IRS filing: 2025

Most reported giving: NC, MD, FL

Typical grant
$40K
Total giving
$8.2M
Grants reported
90
Maclean Foundation

Latest IRS filing: 2025

Most reported giving: IL, NH, PA

Typical grant
$1.1M
Total giving
$8.1M
Grants reported
8
Morgan Stanley Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, IL, MA

Typical grant
$1.5K
Total giving
$8M
Grants reported
525
Morris and Alma Schapiro Fund

Latest IRS filing: 2024

Most reported giving: NY, RI, CA

Typical grant
$50K
Total giving
$7.9M
Grants reported
80
Metrowest Health Foundation Inc

Latest IRS filing: 2024

Most reported giving: MA, NH, VA

Typical grant
$10K
Total giving
$7.8M
Grants reported
396
McElhattan Foundation

Latest IRS filing: 2024

Most reported giving: PA, IL, MA

Typical grant
$50K
Total giving
$7.7M
Grants reported
105
The Medallion Foundation Inc

Latest IRS filing: 2024

Most reported giving: TX, VA, CA

Typical grant
$12.5K
Total giving
$7.6M
Grants reported
185
The Marc Haas Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY

Typical grant
$20K
Total giving
$7.6M
Grants reported
244
McKnight Brain Research Foundation

Latest IRS filing: 2024

Most reported giving: NY, MD, MN

Typical grant
$184.8K
Total giving
$7.6M
Grants reported
14
The MacKenzie Family Foundation

Latest IRS filing: 2025

Most reported giving: NY, IL, WI

Typical grant
$5.5K
Total giving
$7.5M
Grants reported
63
Mary Catherine Bunting Foundation Inc

Latest IRS filing: 2024

Most reported giving: MD, CA, DC

Typical grant
$34K
Total giving
$7.5M
Grants reported
91
The Meijer Foundation

Latest IRS filing: 2024

Most reported giving: MI, OH, IL

Typical grant
$50K
Total giving
$7.4M
Grants reported
67
The McCamish Foundation Inc

Latest IRS filing: 2024

Most reported giving: KY

Typical grant
$656.2K
Total giving
$7.4M
Grants reported
13
Michael and Alice Kuhn Foundation

Latest IRS filing: 2025

Most reported giving: TX, CA, MN

Typical grant
$47.5K
Total giving
$7.4M
Grants reported
132
The Melkus Family Foundation

Latest IRS filing: 2024

Most reported giving: TN, NY, FL

Typical grant
$25K
Total giving
$7.3M
Grants reported
75
Maybelle Clark Macdonald Fund

Latest IRS filing: 2024

Most reported giving: OR, WA, IL

Typical grant
$25K
Total giving
$7.2M
Grants reported
165
Merriman Foundation

Latest IRS filing: 2025

Most reported giving: TX, MO, FL

Typical grant
$10K
Total giving
$7.2M
Grants reported
68
The McCance Foundation

Latest IRS filing: 2024

Most reported giving: NY, MA, CA

Typical grant
$5K
Total giving
$7.1M
Grants reported
156
The Mc Cutchen Foundation

Latest IRS filing: 2025

Most reported giving: NY, NJ, MD

Typical grant
$30K
Total giving
$7.1M
Grants reported
155
Malott Family Foundation

Latest IRS filing: 2024

Most reported giving: IL, DC, CA

Typical grant
$27.5K
Total giving
$7.1M
Grants reported
42
Mwc Foundation Inc #0726315

Latest IRS filing: 2024

Most reported giving: MA, OH, DC

Typical grant
$50K
Total giving
$7.1M
Grants reported
93
The Monarch Charitable Foundation aka THE MONARCH FOUNDATION

Latest IRS filing: 2024

Most reported giving: NY, PA, MA

Typical grant
$12.3K
Total giving
$7M
Grants reported
14
The MSLPJ Foundation

Latest IRS filing: 2025

Most reported giving: NY, MA, FL

Typical grant
$150K
Total giving
$7M
Grants reported
11
Melva Bucksbaum Family Foundation

Latest IRS filing: 2025

Most reported giving: MA, IA, CO

Typical grant
$275K
Total giving
$7M
Grants reported
18
McDonald Agape Foundation

Latest IRS filing: 2024

Most reported giving: NC, GA, DC

Typical grant
$91.6K
Total giving
$7M
Grants reported
55
Max and Minnie Tomerlin Voelcker Fund

Latest IRS filing: 2024

Most reported giving: TX, MD, MA

Typical grant
$116.7K
Total giving
$6.9M
Grants reported
49
The Moh Foundation

Latest IRS filing: 2025

Most reported giving: PA, CA, CT

Typical grant
$245.8K
Total giving
$6.9M
Grants reported
14
The Marshall Heritage Foundation

Latest IRS filing: 2024

Most reported giving: TX, LA, IL

Typical grant
$1M
Total giving
$6.9M
Grants reported
9
Mae Philanthropies

Latest IRS filing: 2024

Most reported giving: CA, DC, WI

Typical grant
$250K
Total giving
$6.8M
Grants reported
17
Metta Fund

Latest IRS filing: 2025

Most reported giving: CA, NY, DC

Typical grant
$75K
Total giving
$6.8M
Grants reported
103
Mildred Miller Fort Foundation Inc

Latest IRS filing: 2025

Most reported giving: GA

Typical grant
$150K
Total giving
$6.8M
Grants reported
22
Martin and Sondra Rappaport Charitable Private Foundation Inc

Latest IRS filing: 2025

Most reported giving: NJ, NY, CA

Typical grant
$150K
Total giving
$6.7M
Grants reported
43
Macdonald Family Foundation

Latest IRS filing: 2024

Most reported giving: CA, GA, VA

Typical grant
$25K
Total giving
$6.7M
Grants reported
52
McChord Foundation

Latest IRS filing: 2024

Most reported giving: MA, CT, NY

Typical grant
$130K
Total giving
$6.6M
Grants reported
20
Mary and James G Wallach Foundation

Latest IRS filing: 2025

Most reported giving: NY, MN, MA

Typical grant
$10K
Total giving
$6.6M
Grants reported
28
The Marsal Family Foundation

Latest IRS filing: 2024

Most reported giving: MI, TX, FL

Typical grant
$2.5K
Total giving
$6.6M
Grants reported
59
Mz Foundation

Latest IRS filing: 2025

Most reported giving: NY, CA, PA

Typical grant
$25K
Total giving
$6.6M
Grants reported
66
The Marie M and James H Galloway Foundation

Latest IRS filing: 2025

Most reported giving: TX, MO, FL

Typical grant
$35K
Total giving
$6.5M
Grants reported
111
The Marvin H Davidson Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, MA, FL

Typical grant
$30K
Total giving
$6.5M
Grants reported
37
McKinnon Family Foundation

Latest IRS filing: 2025

Most reported giving: CA, NM, NY

Typical grant
$10K
Total giving
$6.5M
Grants reported
94
Marvin and Betty Danto Family Foundation

Latest IRS filing: 2025

Most reported giving: MI, NY, FL

Typical grant
$20K
Total giving
$6.5M
Grants reported
128
Mitchell Kapor Foundation

Latest IRS filing: 2024

Most reported giving: CA, DC, NY

Typical grant
$25K
Total giving
$6.4M
Grants reported
69
The McMichael Family Foundation

Latest IRS filing: 2024

Most reported giving: NC, GA, OH

Typical grant
$200K
Total giving
$6.4M
Grants reported
19
McCutchin-Collins Charitable Trust Mass 031292

Latest IRS filing: 2024

Most reported giving: MD, MA, IL

Typical grant
$300
Total giving
$6.4M
Grants reported
15
Mark A Chapman Foundation

Latest IRS filing: 2024

Most reported giving: TX, KS, WI

Typical grant
$3K
Total giving
$6.2M
Grants reported
212
The Madeline Foundation

Latest IRS filing: 2025

Most reported giving: MD, VA, DC

Typical grant
$65.4K
Total giving
$6.2M
Grants reported
51
Mortenson Family Foundation

Latest IRS filing: 2024

Most reported giving: MN, HI, CA

Typical grant
$15K
Total giving
$6.2M
Grants reported
262
The Mooney-Reed Charitable Foundation

Latest IRS filing: 2024

Most reported giving: MA, OR, CT

Typical grant
$50K
Total giving
$6.1M
Grants reported
37
Micah 68 Foundation

Latest IRS filing: 2025

Most reported giving: MI, TX, MD

Typical grant
$50K
Total giving
$6M
Grants reported
92
Miriam & Arthur Diamond Charitable Trust

Latest IRS filing: 2025

Most reported giving: NY, FL

Typical grant
$50K
Total giving
$5.8M
Grants reported
20
The Mcj Amelior Foundation

Latest IRS filing: 2024

Most reported giving: NJ, NY, WA

Typical grant
$10K
Total giving
$5.8M
Grants reported
149
M Piuze Foundation

Latest IRS filing: 2024

Most reported giving: NY, IN, DC

Typical grant
$12.5K
Total giving
$5.7M
Grants reported
77
M D Katz Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, NJ, CA

Typical grant
$1.2K
Total giving
$5.7M
Grants reported
61
The Morris Goldseker Foundation of Maryland Inc

Latest IRS filing: 2024

Most reported giving: MD, NY, IL

Typical grant
$40K
Total giving
$5.7M
Grants reported
108
Munger Charitable Trust Number Two

Latest IRS filing: 2024

Most reported giving: CA, VA, MI

Typical grant
$15K
Total giving
$5.6M
Grants reported
17
Mutual of Omaha Foundation

Latest IRS filing: 2024

Most reported giving: NE, DC, IA

Typical grant
$25K
Total giving
$5.6M
Grants reported
137
The Meredith and Whitney George Family Foundation Inc

Latest IRS filing: 2024

Most reported giving: CT, MA, NC

Typical grant
$10K
Total giving
$5.6M
Grants reported
101
Mann-Paller Foundation Inc

Latest IRS filing: 2024

Most reported giving: DC, OK, VA

Typical grant
$50K
Total giving
$5.6M
Grants reported
46
Mississippi Power Foundation Inc

Latest IRS filing: 2025

Most reported giving: MS, ME, NY

Typical grant
$10K
Total giving
$5.6M
Grants reported
147
Michele & David Mittelman Family Foundation

Latest IRS filing: 2024

Most reported giving: NY, VT, MA

Typical grant
$536.8K
Total giving
$5.6M
Grants reported
6
Mariam & Robert Hayes Charitable Trust

Latest IRS filing: 2025

Most reported giving: NC, VA, CA

Typical grant
$40.3K
Total giving
$5.5M
Grants reported
110
The Margery L Block Charitable Foundation

Latest IRS filing: 2025

Most reported giving: TX, MA, NY

Typical grant
$137.5K
Total giving
$5.5M
Grants reported
22
The Martino Family Foundation

Latest IRS filing: 2024

Most reported giving: CT, NY, MA

Typical grant
$150K
Total giving
$5.4M
Grants reported
16
Monroe-Brown Foundation

Latest IRS filing: 2025

Most reported giving: MI, NE, SC

Typical grant
$72.7K
Total giving
$5.4M
Grants reported
29
Milton and Denice Johnson Family Foundation

Latest IRS filing: 2025

Most reported giving: TN, GA, MD

Typical grant
$10K
Total giving
$5.4M
Grants reported
108
Maccabee Task Force Foundation

Latest IRS filing: 2024

Most reported giving: CA, IL, NY

Typical grant
$120.8K
Total giving
$5.3M
Grants reported
47
Margot & Thomas Pritzker Family Foundation

Latest IRS filing: 2024

Most reported giving: DC, IL, CA

Typical grant
$25K
Total giving
$5.3M
Grants reported
30
Mission Increase Foundation

Latest IRS filing: 2024

Most reported giving: OR

Typical grant
$1.3M
Total giving
$5.2M
Grants reported
5
Mariposa Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, DC, CA

Typical grant
$100K
Total giving
$5.2M
Grants reported
41
Marie H Bechtel Charitable Trust

Latest IRS filing: 2025

Most reported giving: IA, IL, MI

Typical grant
$30K
Total giving
$5.2M
Grants reported
79
Montana Healthcare Foundation

Latest IRS filing: 2024

Most reported giving: MT, CA

Typical grant
$25K
Total giving
$5.2M
Grants reported
162
The Marilyn Brachman Hoffman Foundation

Latest IRS filing: 2025

Most reported giving: TX, MA, CA

Typical grant
$60.6K
Total giving
$5.1M
Grants reported
34
The Mental Insight Foundation

Latest IRS filing: 2024

Most reported giving: CA, NY, MA

Typical grant
$50K
Total giving
$5.1M
Grants reported
77
The Merlin Foundation

Latest IRS filing: 2023

Most reported giving: DC, CA, VA

Typical grant
$87.5K
Total giving
$5.1M
Grants reported
28
The Mai Family Foundation

Latest IRS filing: 2024

Most reported giving: NY, DC, MA

Typical grant
$50K
Total giving
$5.1M
Grants reported
69
Maine Health Access Foundation Inc

Latest IRS filing: 2024

Most reported giving: ME, NV, VT

Typical grant
$25.1K
Total giving
$5M
Grants reported
126
Mackenzie Family Foundation

Latest IRS filing: 2024

Most reported giving: CA, WY, FL

Typical grant
$50K
Total giving
$5M
Grants reported
15

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