The Hollenstein Ross Family Foundation concentrates its giving on large, local investments in Greater Philadelphia-area education and animal welfare. Their grants favor a small number of sizable awards—frequently repeat or multi-installment support—targeting student opportunity programs and institutional animal-care organizations. The foundation appears particularly interested in strengthening educational access (including competitive placement programs) and preventing cruelty to animals through both nonprofit shelters and zoological institutions.
Hollenstein Ross Family Foundation C/o Susan K Hollenstein gives at a scale that mixes one large anchor gift with repeated support for a small set of local institutions. The largest recent award in the file is $300,000 to A Better Chance in Lower Merion for educational work, and the same pattern of recurring support shows up with Philadelphia Zoo, which received grants in 2023, 2024, and 2025. That combination points to a family foundation that uses both substantial multi-year commitments and smaller follow-on grants. The portfolio is centered on education and animal welfare, with a strong Philadelphia-area footprint. Education grants reach schools, student-access organizations, and legal advocacy groups, while animal-related support includes both cruelty-prevention organizations and a zoo. The foundation also makes grants outside the region, including support for Cambodia Rural Students Fdn and South Bronx United, but most of the recent activity stays close to Pennsylvania. Its giving range extends from $1,438 at the low end of the typical distribution to six-figure grants at the top, showing a wide spread between routine awards and major commitments.
Education appears in several forms. The foundation gave $55,000 to Educational Law Center in 2023, $50,000 in 2025, and $40,000 in 2024, showing repeated support for education-related legal advocacy. It also awarded $25,000 to Share in Chicago for educational work and $16,000 to South Bronx United in 2025 for education. Animal welfare is another clear line of giving. Recent grants include $105,000 in 2023 and $35,000 in 2024 to 1 Love for Animals, both tagged prevention of cruelty to animals, along with $10,000 in 2025 to The Spayed Club in Sharon Hill for the same purpose. The foundation also supported Paws in Philadelphia with $25,000 in 2023, 2024, and 2025. The funder also backs student opportunity programs and support for people with disabilities, including $50,000 in 2023 and 2024 to Numotion Foundation.
Typical grant size is centered at $10,000 median, with the 25th percentile at $1,438 and the 75th percentile at $25,000. Recent giving includes both larger commitments and smaller follow-on awards, with several organizations appearing in multiple years. That repetition suggests ongoing support rather than one-time gifts for some recipients. The foundation is a family foundation and does not fund individuals or make program-related investments. Grants in the file are mostly program or project support, and the recent record shows a mix of local and selected out-of-region awards.
$577K
$2.7M
$935K
$586K
Most grants fall between $1K and $25K, with a median of $10K.
25th Percentile
$1K
Median
$10K
75th Percentile
$25K
Top 2 recipient countries by grant volume for Hollenstein Ross Family Foundation C/O Susan K Hollenstein.
| Rank | Country | Grants | Total | Share |
|---|---|---|---|---|
| 1 | United StatesDomestic | 101 | $2.1M | 96.2% |
| 2 |
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Concentrated, high-dollar giving to a small set of repeat grantees in the Philadelphia area rather than many small or national grants; awards tend to be large, multi-grant or multi-year style commitments focused on education and animal welfare.
Notable grantees: Philadelphia Zoo, A Better Chance in Lower Merion, 1 Love for Animals, 1 Love 4 Animals
Grantmaking is heavily concentrated in Pennsylvania, which accounts for 73% of grants and is the top state by recipient count. Philadelphia appears frequently, including grants to Philadelphia Zoo, Educational Law Center, Paws, Trustees of the University of Pennsylvania, and Asap. Other Pennsylvania recipients include Ardmore, Sharon Hill, Woodlyn, and Southeastern. Outside the U.S., the recipient country distribution includes two grants in Asia, both to Cambodia Rural Students Fdn / Cambodia Rural Students in North Melbourne.
The recent grants show a strong concentration in education and animal welfare. Educational recipients include A Better Chance in Lower Merion, Educational Law Center, and Philadelphia Zoo, while animal-focused grants went to 1 Love for Animals, Paws, and The Spayed Club.
The foundation’s typical grant size sits at a $10,000 median, with the 25th percentile at $1,438 and the 75th percentile at $25,000. The recent file also includes much larger awards, including a $300,000 grant in 2025.
Yes. Several recipients appear across multiple years, including Philadelphia Zoo, Educational Law Center, Paws, 1 Love for Animals, Numotion Foundation, South Bronx United, and Cambodia Rural Students Fdn / Cambodia Rural Students.
Pennsylvania is the top state by grant count, and 73% of grants go to recipients in the HQ state. Philadelphia is especially common among recipients, alongside Ardmore, Sharon Hill, Woodlyn, and Southeastern.
No. While most grants go to Pennsylvania recipients, the file also includes grants to organizations in Chicago, Bronx, Brentwood, Oakland, and two grants to Cambodia Rural Students Fdn / Cambodia Rural Students in North Melbourne.
2026
Source: IRS Form 990-PF, fiscal year 2026.
| Australia |
| 4 |
| $220K |
3.8% |
Recipient country reflects the grantee's headquarters per IRS 990-PF and Schedule F filings, not the program's implementation country.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| PHILADELPHIA ZOO | PHILADELPHIA, PA | $100,000 | 2026 | EDUCATIONAL |
| PAWS | PHILADELPHIA, PA | $50,000 | 2026 | ANIMAL WELFARE |
| NUMOTION FOUNDATION | MONTGOMERYVILLE, PA | $50,000 | 2026 | HEALTH CARE |
| CAMBODIA RURAL STUDENTS | NORTH MELBORNE, VI | $50,000 | 2026 | EDUCATIONAL |
| EDUCATIONAL LAW CENTER | PHILADELPHIA, PA | $30,000 | 2026 | EDUCATIONAL |
| PAWS | PHILADELPHIA, PA | $25,000 | 2026 | ANIMAL WELFARE |
| WELCOMING CENTER | PHILADELPHIA, PA | $25,000 | 2026 | EDUCATIONAL |
| PHILADELPHIA ZOO | PHILADELPHIA, PA | $25,000 | 2026 | EDUCATIONAL |
| 1 LOVE 4 ANIMALS | SOUTHEASTERN, PA | $25,000 | 2026 | PREVENTION OF CRUELTY TO ANIMALS |
| SHARE FOOD PROGRAM | PHILADELPHIA, PA | $25,000 | 2026 | FOOD FOR THE NEEDY |
| EDUCATIONAL LAW CENTER | PHILADELPHIA, PA | $20,000 | 2026 | EDUCATIONAL |
| NUMOTION FOUNDATION | SHARON HILL, PA | $20,000 | 2026 | PREVENTION OF CRUELTY TO ANIMALS |
| SOUTH BRONX UNITED | BRONX, NY | $17,500 | 2026 | EDUCATIONAL |
| THE SPAYED CLUB | SHARON HILL, PA | $15,000 | 2026 | PREVENTION OF CRUELTY TO ANIMALS |
| SRC FOUNDATION | NORRISTOWN, PA | $15,000 | 2026 | COMMUNITY SUPPORT |
| ASAP | PHILADELPHIA, PA | $10,000 | 2026 | AFTER SCHOOL ACTIVITIES FOR STUDENTS |
| JCHAI | BRYN MAWR, PA | $10,000 | 2026 | INDEPENDENT LIVING |
| A BETTER CHANCE IN LOWER MERION | ARDMORE, PA | $10,000 | 2026 | EDUCATIONAL |
| PHILADELPHIA ZOO | PHILADELPHIA, PA | $10,000 | 2026 | EDUCATIONAL |
| 1 LOVE 4 ANIMALS | SOUTHEASTERN, PA | $10,000 | 2026 | PREVENTION OF CRUELTY TO ANIMALS |
| TRUSTEES OF THE UNIV OF PENN | PHILADELPHIA, PA | $6,000 | 2026 | EDUCATIONAL |
| UPSTATE FOUNDATION FOR THE BARBARA | SYRACUSE, NY | $5,000 | 2026 | PATIENT CARE AND EDUCATION |
| WHYY | PHILADELPHIA, PA | $5,000 | 2026 | PUBLIC TELEVISION |
| TRUSTEES OF THE UNIV OF PENN | PHILADELPHIA, PA | $5,000 | 2026 | EDUCATIONAL |
| ISSUE ONE | WASHINGTON, DC | $5,000 | 2026 | PROTECT DEMOCRACY |
| BIG DOG RANCH RESCUE | LOXAHATCHEE GROVES, FL | $2,500 | 2026 | ANIMAL WELFARE |
| TRUSTEES OF THE UNIV OF PENN | PHILADELPHIA, PA | $2,000 | 2026 | EDUCATIONAL |
| LUDINGTON LIBRARY | BRYN MAWR, PA | $1,200 | 2026 | EDUCATIONAL |
| NATURAL LANDS TRUST | MEDIA, PA | $1,000 | 2026 | LAND CONSERVATION |
| PAWS | PHILADELPHIA, PA | $1,000 | 2026 | ANIMAL WELFARE |
| LIVE LIKE BLAINE | BALACYNWYD, PA | $1,000 | 2026 | FEMALE LEADERSHIP |
| A BETTER CHANCE IN LOWER MERION | ARDMORE, PA | $300,000 | 2025 | EDUCATIONAL |
| 1 LOVE 4 ANIMALS | SOUTHEASTERN, PA | $100,000 | 2025 | PREVENTION OF CRUELTY TO ANIMALS |
| PHILADELPHIA ZOO | PHILADELPHIA, PA | $100,000 | 2025 | EDUCATIONAL |
| EDUCATIONAL LAW CENTER | PHILADELPHIA, PA | $50,000 | 2025 | EDUCATIONAL |
| CAMBODIA RURAL STUDENTS | NORTH MELBORNE, VI | $50,000 | 2025 | EDUCATIONAL |
| PAWS | PHILADELPHIA, PA | $25,000 | 2025 | ANIMAL WELFARE |
| PHILADELPHIA ZOO | PHILADELPHIA, PA | $25,000 | 2025 | EDUCATIONAL |
| SOUTH BRONX UNITED | BRONX, NY | $16,000 | 2025 | EDUCATIONAL |
| THE HEADSTRONG FOUNDATION | WOODLYN, PA | $10,000 | 2025 | CANCER SUPPORT |
| EDUCATIONAL LAW CENTER | PHILADELPHIA, PA | $10,000 | 2025 | EDUCATIONAL |
| A BETTER CHANCE IN LOWER MERION | ARDMORE, PA | $10,000 | 2025 | EDUCATIONAL |
| THE SPAYED CLUB | SHARON HILL, PA | $10,000 | 2025 | PREVENTION OF CRUELTY TO ANIMALS |
| 1 LOVE 4 ANIMALS | SOUTHEASTERN, PA | $10,000 | 2025 | PREVENTION OF CRUELTY TO ANIMALS |
| ASAP | PHILADELPHIA, PA | $10,000 | 2025 | AFTER SCHOOL ACTIVITIES FOR STUDENTS |
| PENN VET | PHILADELPHIA, PA | $5,000 | 2025 | ANIMAL WELFARE |
| TRUSTEES OF THE UNIV OF PENN | PHILADELPHIA, PA | $5,000 | 2025 | EDUCATIONAL |
| TRUSTEES OF THE UNIV OF PENN | PHILADELPHIA, PA | $5,000 | 2025 | EDUCATIONAL |
| CONCUSSION LEGACY FOUNDATION | BOSTON, MA | $5,000 | 2025 | MEDICAL RESEARCH |
| WHYY | PHILADELPHIA, PA | $5,000 | 2025 | PUBLIC TELEVISION |
ANIMAL WELFARE
WELCOMING CENTER
$25,000EDUCATIONAL
PHILADELPHIA ZOO
$25,000EDUCATIONAL
1 LOVE 4 ANIMALS
$25,000PREVENTION OF CRUELTY TO ANIMALS
EDUCATIONAL LAW CENTER
$20,000EDUCATIONAL
NUMOTION FOUNDATION
$20,000PREVENTION OF CRUELTY TO ANIMALS
THE SPAYED CLUB
$15,000PREVENTION OF CRUELTY TO ANIMALS
SRC FOUNDATION
$15,000COMMUNITY SUPPORT
A BETTER CHANCE IN LOWER MERION
$10,000EDUCATIONAL
PHILADELPHIA ZOO
$10,000EDUCATIONAL
1 LOVE 4 ANIMALS
$10,000PREVENTION OF CRUELTY TO ANIMALS
TRUSTEES OF THE UNIV OF PENN
$6,000EDUCATIONAL
UPSTATE FOUNDATION FOR THE BARBARA
$5,000PATIENT CARE AND EDUCATION
TRUSTEES OF THE UNIV OF PENN
$5,000EDUCATIONAL
TRUSTEES OF THE UNIV OF PENN
$2,000EDUCATIONAL
LUDINGTON LIBRARY
$1,200EDUCATIONAL
LIVE LIKE BLAINE
$1,000FEMALE LEADERSHIP
A BETTER CHANCE IN LOWER MERION
$300,000EDUCATIONAL
1 LOVE 4 ANIMALS
$100,000PREVENTION OF CRUELTY TO ANIMALS
PHILADELPHIA ZOO
$100,000EDUCATIONAL
EDUCATIONAL LAW CENTER
$50,000EDUCATIONAL
CAMBODIA RURAL STUDENTS
$50,000EDUCATIONAL
PHILADELPHIA ZOO
$25,000EDUCATIONAL
EDUCATIONAL LAW CENTER
$10,000EDUCATIONAL
A BETTER CHANCE IN LOWER MERION
$10,000EDUCATIONAL
THE SPAYED CLUB
$10,000PREVENTION OF CRUELTY TO ANIMALS
1 LOVE 4 ANIMALS
$10,000PREVENTION OF CRUELTY TO ANIMALS
PENN VET
$5,000ANIMAL WELFARE
TRUSTEES OF THE UNIV OF PENN
$5,000EDUCATIONAL
TRUSTEES OF THE UNIV OF PENN
$5,000EDUCATIONAL