Foundation directory

Foundations starting with L

556 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 Application details come from the latest filing and can be out of date, so confirm them with the foundation.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 556 foundations in this list.

The Luckyday Foundation

Latest IRS filing: 2024

Most reported giving: MS

Typical grant
$9.8K
Total giving
$6.4M
Grants reported
12
Laurie Kayden Foundation

Latest IRS filing: 2025

Most reported giving: NY, DC, PA

Typical grant
$50K
Total giving
$6.4M
Grants reported
133
Laughing Gull Foundation

Latest IRS filing: 2024

Most reported giving: NC, GA, VA

Typical grant
$50K
Total giving
$6.2M
Grants reported
127
Lewis Humphreys Charitable Trust

Latest IRS filing: 2024

Most reported giving: KS, TX, CO

Typical grant
$62.2K
Total giving
$6.2M
Grants reported
39
Louis DeJoy & Aldona Z Wos Family Foundation Inc

Latest IRS filing: 2024

Most reported giving: NC, DC, NY

Typical grant
$10K
Total giving
$6.2M
Grants reported
83
The Larry and Helen Hoag Foundation

Latest IRS filing: 2024

Most reported giving: CA, VA, IL

Typical grant
$50K
Total giving
$6.2M
Grants reported
48
Lillian S Wells Foundation Inc

Latest IRS filing: 2024

Most reported giving: FL, DC, IL

Typical grant
$150K
Total giving
$6M
Grants reported
20
Lauridsen Family Foundation

Latest IRS filing: 2025

Most reported giving: IA, NY, DC

Typical grant
$50K
Total giving
$6M
Grants reported
48
Ladish Co Foundation

Latest IRS filing: 2025

Most reported giving: WI, FL, IL

Typical grant
$25K
Total giving
$6M
Grants reported
87
The Luther & Susie Harrison Foundation Inc

Latest IRS filing: 2024

Most reported giving: GA, MN, DC

Typical grant
$200K
Total giving
$5.9M
Grants reported
13
Lb Charitable Foundation

Latest IRS filing: 2024

Most reported giving: CA, VA, TX

Typical grant
$20K
Total giving
$5.8M
Grants reported
237
Leonard Hill Charitable Trust

Latest IRS filing: 2024

Most reported giving: CA, NY, MA

Typical grant
$100K
Total giving
$5.6M
Grants reported
24
Laura M and Peter T Grauer Foundation

Latest IRS filing: 2025

Most reported giving: MA, NY, NJ

Typical grant
$25K
Total giving
$5.6M
Grants reported
71
The Lyda Hill Foundation

Latest IRS filing: 2024

Most reported giving: TX, CA

Typical grant
$500K
Total giving
$5.5M
Grants reported
7
Lockhart Vaughan Foundation

Latest IRS filing: 2025

Most reported giving: MD, DC, MA

Typical grant
$25K
Total giving
$5.5M
Grants reported
164
Leo Potishman Foundation Xxxxx3002

Latest IRS filing: 2024

Most reported giving: TX

Typical grant
$75K
Total giving
$5.5M
Grants reported
29
The Louise H & David S Ingalls Fdn

Latest IRS filing: 2025

Most reported giving: OH, GA, ME

Typical grant
$25K
Total giving
$5.4M
Grants reported
100
The Lawrence A Bossidy Foundation

Latest IRS filing: 2025

Most reported giving: CT, MA, NY

Typical grant
$10K
Total giving
$5.4M
Grants reported
46
Lundbeck US Charitable Fund

Latest IRS filing: 2025

Most reported giving: IL, NC, NY

Typical grant
$50K
Total giving
$5.4M
Grants reported
30
The Lakeview Foundation

Latest IRS filing: 2024

Most reported giving: CA, VA, NY

Typical grant
$50K
Total giving
$5.3M
Grants reported
25
The Lori and David Nicholas Family Foundation Inc

Latest IRS filing: 2025

Most reported giving: WI, FL, CO

Typical grant
$50K
Total giving
$5.3M
Grants reported
51
The Labcorp Charitable Foundation

Latest IRS filing: 2025

Most reported giving: SC, DC, NC

Typical grant
$704
Total giving
$5.3M
Grants reported
560
Lewis Foundation

Latest IRS filing: 2025

Most reported giving: TX, TN, CO

Typical grant
$15K
Total giving
$5.3M
Grants reported
19
The LilyHawk Foundation

Latest IRS filing: 2025

Most reported giving: VA

Typical grant
$225K
Total giving
$5.2M
Grants reported
6
Lakshan Foundation Inc

Latest IRS filing: 2025

Most reported giving: GA, CA, NEW BRUNSWICK

Typical grant
$600K
Total giving
$5.1M
Grants reported
11
Lenzmeier Family Foundation

Latest IRS filing: 2025

Most reported giving: MN, CA

Typical grant
$52.5K
Total giving
$5.1M
Grants reported
42
La84 Foundation

Latest IRS filing: 2024

Most reported giving: CA, NY, RI

Typical grant
$50K
Total giving
$5M
Grants reported
60
Loyce & Annette Turner Foundation Inc

Latest IRS filing: 2024

Most reported giving: MO, NE, GA

Typical grant
$100K
Total giving
$5M
Grants reported
7
Lillian Lincoln Foundation

Latest IRS filing: 2024

Most reported giving: CA, DC, NY

Typical grant
$30K
Total giving
$5M
Grants reported
99
Lyons Share Foundation

Latest IRS filing: 2025

Most reported giving: CA, DC

Typical grant
$25K
Total giving
$4.8M
Grants reported
19
Luther & Teresa King Family Foundation

Latest IRS filing: 2024

Most reported giving: TX, PA, GA

Typical grant
$25K
Total giving
$4.8M
Grants reported
22
Lyon Foundation

Latest IRS filing: 2025

Most reported giving: OK, KS

Typical grant
$12.5K
Total giving
$4.8M
Grants reported
91
The Lastinger Family Foundation Inc

Latest IRS filing: 2024

Most reported giving: FL, NC, VA

Typical grant
$37.5K
Total giving
$4.8M
Grants reported
24
Life's Requite Inc

Latest IRS filing: 2025

Most reported giving: FL, NY, MI

Typical grant
$30K
Total giving
$4.7M
Grants reported
70
The Lord Sees Foundation

Latest IRS filing: 2025

Most reported giving: OK, TX, CO

Typical grant
$24.8K
Total giving
$4.7M
Grants reported
153
Landry Family Foundation

Latest IRS filing: 2024

Most reported giving: MA, NY, DE

Typical grant
$30K
Total giving
$4.7M
Grants reported
47
Libra Foundation Inc

Latest IRS filing: 2025

Most reported giving: FL, MA, MN

Typical grant
$50K
Total giving
$4.7M
Grants reported
81
Lewis-Sebring Family Foundation

Latest IRS filing: 2025

Most reported giving: IL, DC, MA

Typical grant
$5K
Total giving
$4.6M
Grants reported
116
Lorber Family Foundation

Latest IRS filing: 2024

Most reported giving: CA, MA, GA

Typical grant
$25K
Total giving
$4.6M
Grants reported
93
The Lowell Institute

Latest IRS filing: 2024

Most reported giving: MA

Typical grant
$75K
Total giving
$4.6M
Grants reported
29
The Lutheran Foundation for Long-Term Living

Latest IRS filing: 2024

Most reported giving: PA, CA, FL

Typical grant
$62.5K
Total giving
$4.5M
Grants reported
18
The Lozen Foundation Inc

Latest IRS filing: 2025

Most reported giving: NY, MA, DC

Typical grant
$53.1K
Total giving
$4.5M
Grants reported
17
The Lucas Brothers Foundation

Latest IRS filing: 2024

Most reported giving: MN, CA, UT

Typical grant
$225K
Total giving
$4.5M
Grants reported
10
The Leonard G Herring Family Foundation

Latest IRS filing: 2024

Most reported giving: NC, CA, VA

Typical grant
$15K
Total giving
$4.5M
Grants reported
101
Louis and Bessie Stein Foundation Fund #2

Latest IRS filing: 2025

Most reported giving: RI, MD, MA

Typical grant
$10K
Total giving
$4.4M
Grants reported
18
Liberty Bank Foundation Inc

Latest IRS filing: 2025

Most reported giving: CT, MA, NY

Typical grant
$10K
Total giving
$4.4M
Grants reported
297
Lakeridge Foundation

Latest IRS filing: 2025

Most reported giving: NY, IL, VA

Typical grant
$15K
Total giving
$4.4M
Grants reported
90
Ladybug Foundation Inc

Latest IRS filing: 2024

Most reported giving: CA, DC, CO

Typical grant
$50K
Total giving
$4.4M
Grants reported
65
Louise P Toole Charitable Trust

Latest IRS filing: 2025

Most reported giving: IN, MD, IL

Typical grant
$176.5K
Total giving
$4.4M
Grants reported
14
Lay Family Foundation A Corporation

Latest IRS filing: 2024

Most reported giving: MO, MA

Typical grant
$175K
Total giving
$4.4M
Grants reported
19
Lily Auchincloss Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, NJ, IL

Typical grant
$20K
Total giving
$4.3M
Grants reported
168
Lockwood Partners Foundation Inc

Latest IRS filing: 2025

Most reported giving: GA, AL, FL

Typical grant
$5K
Total giving
$4.3M
Grants reported
287
The Leslie & Roslyn Goldstein Foundation

Latest IRS filing: 2024

Most reported giving: NY, CT, DC

Typical grant
$100K
Total giving
$4.3M
Grants reported
37
Leslie J Raffel Foundation

Latest IRS filing: 2025

Most reported giving: IN, NY, IL

Typical grant
$150.9K
Total giving
$4.3M
Grants reported
16
Luis Von Ahn Foundation

Latest IRS filing: 2024

Most reported giving: CO, GUATEMALA, NJ

Typical grant
$60K
Total giving
$4.2M
Grants reported
43
Lennox Foundation

Latest IRS filing: 2024

Most reported giving: ME, CO, MA

Typical grant
$7.5K
Total giving
$4.2M
Grants reported
203
Leinweber Foundation

Latest IRS filing: 2024

Most reported giving: MI, NY, FL

Typical grant
$75K
Total giving
$4.1M
Grants reported
15
Love Meyer Family Foundation

Latest IRS filing: 2024

Most reported giving: OK, NY, CA

Typical grant
$25K
Total giving
$4.1M
Grants reported
102
Lumena Foundation a New Jersey Nonprofit Corporation

Latest IRS filing: 2025

Most reported giving: NJ, IL, VA

Typical grant
$45K
Total giving
$4.1M
Grants reported
38
Lukis Foundation

Latest IRS filing: 2025

Most reported giving: MN, ME, CA

Typical grant
$40K
Total giving
$4.1M
Grants reported
51
Laidir Foundation

Latest IRS filing: 2024

Most reported giving: DC, NY, CA

Typical grant
$100K
Total giving
$4M
Grants reported
22
Lloyd K Johnson Foundation

Latest IRS filing: 2025

Most reported giving: MN, WI

Typical grant
$15K
Total giving
$4M
Grants reported
141
L & N Andreas Foundation

Latest IRS filing: 2024

Most reported giving: MN, GRAND CAYMAN, CO

Typical grant
$10K
Total giving
$4M
Grants reported
236
The Lumpkin Family Foundation

Latest IRS filing: 2024

Most reported giving: IL, CA, DC

Typical grant
$6K
Total giving
$4M
Grants reported
209
Lisa and Steven Tananbaum Family Foundation

Latest IRS filing: 2024

Most reported giving: NY, FL, TX

Typical grant
$25K
Total giving
$4M
Grants reported
24
Lynn S Nicholas Family Foundation Inc

Latest IRS filing: 2025

Most reported giving: WI, CA, DC

Typical grant
$300K
Total giving
$4M
Grants reported
15
The Linda Hammett Ory & Andrew Ory Charitable Trust

Latest IRS filing: 2024

Most reported giving: MA, NY, CA

Typical grant
$1K
Total giving
$3.9M
Grants reported
65
Lkq Community Foundation

Latest IRS filing: 2024

Most reported giving: MN, DC, VA

Typical grant
$25K
Total giving
$3.9M
Grants reported
46
The Li Lu Foundation

Latest IRS filing: 2024

Most reported giving: NY, DC, WA

Typical grant
$75K
Total giving
$3.9M
Grants reported
12
The Leo Koguan Foundation

Latest IRS filing: 2025

Most reported giving: FL, CA

Typical grant
$399.7K
Total giving
$3.9M
Grants reported
8
Louis S & Molly B Wolk Foundation

Latest IRS filing: 2025

Most reported giving: NY

Typical grant
$25K
Total giving
$3.8M
Grants reported
49
Lolita Sheldon Armour Art Vii Char Trust

Latest IRS filing: 2025

Most reported giving: IL

Typical grant
$536.4K
Total giving
$3.8M
Grants reported
6
Leptas Foundation Trust

Latest IRS filing: 2024

Most reported giving: AZ, CO, TN

Typical grant
$50K
Total giving
$3.8M
Grants reported
23
Lga Family Foundation

Latest IRS filing: 2025

Most reported giving: CO, HI, CA

Typical grant
$50K
Total giving
$3.8M
Grants reported
34
Lauren B Leichtman & Arthur E Levine Family Foundation

Latest IRS filing: 2024

Most reported giving: FL, NY, CA

Typical grant
$15K
Total giving
$3.7M
Grants reported
30
Leon J Simkins Charitable Foundation

Latest IRS filing: 2024

Most reported giving: MN, FL, NY

Typical grant
$5K
Total giving
$3.7M
Grants reported
39
Laffey-Mchugh Foundation

Latest IRS filing: 2024

Most reported giving: DE, PA, CO

Typical grant
$20K
Total giving
$3.7M
Grants reported
153
Lost Pond Foundation

Latest IRS filing: 2025

Most reported giving: IL, OH, NY

Typical grant
$30K
Total giving
$3.7M
Grants reported
51
Lavin Family Foundation

Latest IRS filing: 2024

Most reported giving: IL, LA, NY

Typical grant
$10K
Total giving
$3.7M
Grants reported
41
Lewis Hall and Mildred Sasser Singletary Foundation Inc

Latest IRS filing: 2025

Most reported giving: GA, IL, AZ

Typical grant
$30K
Total giving
$3.7M
Grants reported
75
The Laurance S Rockefeller Fund (5018)

Latest IRS filing: 2024

Most reported giving: NY, DC, CA

Typical grant
$1.5K
Total giving
$3.6M
Grants reported
31
The Lee Family Foundation

Latest IRS filing: 2023

Most reported giving: CT, TX

Typical grant
$692.2K
Total giving
$3.5M
Grants reported
9
The Longhill Charitable Foundation

Latest IRS filing: 2025

Most reported giving: NY, FL, DC

Typical grant
$25K
Total giving
$3.5M
Grants reported
118
Lake Road Foundation

Latest IRS filing: 2024

Most reported giving: NY, DC, UT

Typical grant
$3.3K
Total giving
$3.5M
Grants reported
105
The Lenfest Scholars Foundation Inc

Latest IRS filing: 2024

Most reported giving: PA, OH, RI

Typical grant
$79.7K
Total giving
$3.5M
Grants reported
11
Lowell Berry Foundation

Latest IRS filing: 2025

Most reported giving: CA, HI, IL

Typical grant
$5K
Total giving
$3.5M
Grants reported
274
The Lawrence Foundation

Latest IRS filing: 2024

Most reported giving: NY, CA, MN

Typical grant
$50K
Total giving
$3.5M
Grants reported
69
Libra Global Philanthropies Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, DC, IL

Typical grant
$25K
Total giving
$3.4M
Grants reported
69
Laura E Price Briggs Te Mut Fds

Latest IRS filing: 2024

Most reported giving: OH

Typical grant
$341.3K
Total giving
$3.4M
Grants reported
10
Leonard and Helen R Stulman Charitable

Latest IRS filing: 2024

Most reported giving: MD, NY, DE

Typical grant
$72.5K
Total giving
$3.4M
Grants reported
36
The Lancaster County Partners for Youth

Latest IRS filing: 2024

Most reported giving: SC

Typical grant
$193.8K
Total giving
$3.3M
Grants reported
11
The Lebherz Family Foundation

Latest IRS filing: 2025

Most reported giving: CA, TX, AZ

Typical grant
$12.3K
Total giving
$3.3M
Grants reported
60
Lafayette River Foundation

Latest IRS filing: 2025

Most reported giving: VA

Typical grant
$150K
Total giving
$3.3M
Grants reported
11
The Lebensfeld Foundation

Latest IRS filing: 2024

Most reported giving: NJ, NY, CT

Typical grant
$25K
Total giving
$3.3M
Grants reported
84
Lubbe Family Foundation

Latest IRS filing: 2025

Most reported giving: NH, VT, TN

Typical grant
$10K
Total giving
$3.3M
Grants reported
22
The Lampert Foundation

Latest IRS filing: 2024

Most reported giving: RI, NY, NC

Typical grant
$100K
Total giving
$3.2M
Grants reported
7
Lemberg Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, CT, IL

Typical grant
$17.5K
Total giving
$3.2M
Grants reported
48
Lou and Michele Gentine Foundation Inc

Latest IRS filing: 2025

Most reported giving: WI, IN, NJ

Typical grant
$25K
Total giving
$3.2M
Grants reported
57
The Leonard & Robert Weintraub Family Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, DC, CT

Typical grant
$50K
Total giving
$3.2M
Grants reported
59
The Lucius N Littauer Foundation Inc

Latest IRS filing: 2024

Most reported giving: NY, DC, MA

Typical grant
$25K
Total giving
$3.2M
Grants reported
95

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