Signators of
The Giving Pledge, Gabelli and his wife Regina joined the cause in 2017, which is a commitment by the world's wealthiest individuals and families to dedicate the majority of their wealth to giving back. According to
Forbes magazine, Gabelli's net worth was $1.4 billion as of April 2020.
The Buoniconti Fund to Cure Paralysis In September 2025, Gabelli was given the Outstanding Philanthropist Award at the 40th Annual Great Sports Legends Dinner. The dinner benefits the Buoniconti Fund to Cure Paralysis, and raises awareness and millions of dollars for research and treatment of paralysis and other neurological diseases and disorders.
Broadcasting & Cable Hall of Fame On September 26, 2024, Gabelli was given the Chairmans Award and was inducted into the B&C Hall of Fame Class of 2024. The B&C Hall of Fame honors pioneers, creators, investors and financial supporters of the media. Gabelli's engagement and financial support has contributed to significant growth of the industry.
American-Italian Cancer Foundation On November 8, 2023, Gabelli was given the Alessandro di Montezemolo Lifetime Achievement Award. Established in honor of Alessandro di Montezemolo, co-founder of the American-Italian Cancer Foundation, the award recognizes outstanding individuals who exemplify the highest standards of commitment to philanthropy. Di Montezemolo's motto was "you make a living by what you do - you make a life by what you give" Gabelli has been on the AICF Board of Directors since 2000.
The National Judicial College On September 28, 2023, Gabelli was honored by the National Judicial College with the "Making the World a More Just Place" award. Created more than a half-century ago at the recommendation of a U.S. Supreme Court justice, the National Judicial College, based in Reno, Nevada since 1964, remains the only educational institution in the United States that teaches courtroom skills to judges of all types.
Iona University In February 2023, Gabelli established an endowed professorship in finance at the LePenta School of Business. He also made a pledge to advance strategic initiatives on Iona's new campus in Bronxville, home to the
NewYork-Presbyterian Iona School of Health Sciences.
Horatio Alger Award In April 2022, during the Association's 73rd Horatio Alger Award Induction Ceremonies in Washington, D.C., Gabelli was inducted into
Horatio Alger Association of Distinguished Americans and received the Horatio Alger Award. The association is a nonprofit educational organization honoring the achievements of outstanding individuals and encouraging youth to pursue their dreams through higher education. For more than 70 years, the annual award has been bestowed upon esteemed individuals who have succeeded despite facing adversities, and who have remained committed to higher education and charitable efforts in their communities.
St. John's University In July 2025, Gabelli made a $1.5 million contribution to St. John's University to establish the Mario Gabelli Endowed Chair at St. John's University to support the continued growth and academic standing of the Peter J. Tobin College of Business.
Case Western Reserve University In October 2022, Gabelli made a $2 million contribution to Case Western Reserve University to establish the Mario J. Gabelli Distinguished Professorship in Finance. Case Western celebrated the inaugural chairholder at a campus ceremony on October 12, 2022.
Pace University On July 1, 2021, Gabelli, through his Gabelli Foundation, Inc., contributed $1.5 million to establish the Gabelli Endowed Anthony R. Pustorino Distinguished Professorship in Accounting, a restricted endowment at Pace University. The fund supports, in perpetuity, a named professor in the
Lubin School of Business Accounting Department.
University of Nevada, Reno In December 2013, the University of Nevada, Reno announced that it had received a $1.5 million donation from the Gabelli Foundation to help pay for the construction of the E. L. Wiegand Fitness Center. Gabelli is a member of the Wiegand Foundation's board of trustees.
Columbia Graduate Business School In July 2013, the Gabelli Foundation pledged $15 million, earmarked for the construction of Columbia Business School's new Manhattanville campus. The building was scheduled to open in 2018.
Columbus Day Parade On October 8, 2012, Gabelli was grand marshall of the New York City's 68th Annual Columbus Day Parade, the world's largest celebration of Italian-American culture and heritage.
Fordham University Among those recognized at the 2010 Fordham University Founder's Award Dinner were Mario J. Gabelli, CBA '65, and Regina M. Pitaro, FCRH '76, a Fordham trustee and managing director of Gamco Asset Management. In September 2010, Fordham formally announced Gabelli's $25 million gift, the largest ever in the university's history. The gift allowed Fordham, which renamed the undergraduate business college the Gabelli School of Business, to expand student scholarships and faculty chairs, and was crucial to the creation of the Center of Global Investment Analysis, which brings together students, faculty and professionals in the financial community to enhance scholarship in the study and understanding of capital markets. In 2014, Gabelli funded the university's Gabelli Ph.D. Program, which will establish a doctoral-level business program at Fordham's Gabelli School of Business. In December 2020, Fordham announced that Gabelli, through the Gabelli Foundation, had made the largest gift in the university's history, a $35 million gift to support the business school that bears his name.
Boston College In September 2010, Boston College announced Gabelli's $3 million gift that was used to endow a professorship in finance in the college's
Carroll School of Management. An undergraduate dormitory is also named after Gabelli because of a past donation to the school. Gabelli, who serves on the college's board of trustees, previously gave $10 million to create the Gabelli Distinguished Presidential Scholars Fund, which provides fifteen students with full tuition every year. In 2012,
Alan Marcus was named as the first recipient of the Endowed Professorship. In 2014, Boston College's Presidential Scholars Program was renamed the Gabelli Presidential Scholars Program, as a result of a major gift from the Gabelli Family Foundation. In December 2015, the foundation made a contribution to Boston College to further the Foundation's commitment to the Jesuit philosophy of enhancing the intellectual, spiritual and physical aspects of the whole person.
Roger Williams University - Mario J. Gabelli School of Business The
Roger Williams University Mario J. Gabelli School of Business was established in 1995, three years after the university conferred an honorary doctor of business degree on Gabelli. Gabelli has continued to support the school through additional financial pledges.
University of Miami In 2011, a gift from Gabelli enabled the Miami Herbert Business School to establish a new endowed professorship.
NYC Local 6 and the Hotel Trades Council At the December 2019 meeting of the Local 6 Delegate Assembly, the union bestowed an honorary membership to Gabelli, whose support for the Hotel Trades Council's scholarship fund has allowed for more awards and larger grants. His father, Joseph Gabelli, was a charter member of both Local 6 and the Hotel Trades Council.
Ellis Island Foundation Gabelli received the 1996
Ellis Island Medal of Honor for Business Leaders. The Ellis Island Honors Society awards the medal to celebrate "inspiring Americans who are selflessly working for the betterment of our country and its citizens." The society describes medal recipients as the "best of America in their celebration of patriotism, diversity and the contributions immigrants continue to make to our nation's economic and social success." ==Legal issues==