| 2024 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2024 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2024 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2024 | University of Miami | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2023 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2023 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | University of Miami | 990 | Trustee | 4 | $0 | $0 | View return |
| 2023 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2022 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2022 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | University of Miami | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2021 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2021 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | University of Miami | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2020 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2020 | University of Miami | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2019 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2019 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2019 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | University of Miami | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2018 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2018 | University of Miami | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Leonard L and Bertha U Abess Foundation | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2017 | The Jayne and Leonard Abess | 990PF | President/Director | 2 | $0 | $0 | View return |
| 2017 | University of Miami | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | University of Miami | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | The Jayne and Leonard Abess | 990PF | Director - President | 2 | $0 | - | View return |
| 2016 | University of Miami | 990 | Trustee | 20 | $0 | $0 | View return |
| 2016 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | New York Botanical Garden | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | University of Miami | 990 | Trustee | 20 | $0 | $0 | View return |
| 2015 | The Jayne and Leonard Abess | 990PF | Director - President | 2 | $0 | - | View return |
| 2015 | Mount Sinai Medical Center Foundation | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | Greater Miami Jewish Federation Inc | 990 | Board Member | 2 | $0 | $0 | View return |
| 2015 | University of Miami | 990 | Trustee | 20 | $0 | $0 | View return |
| 2014 | Anti-Defamation League | 990 | Member, Nat'L Commission | 1 | $0 | $0 | View return |
| 2014 | Mount Sinai Medical Center Foundation | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | University of Miami | 990 | Trustee | 20 | $0 | $0 | View return |
| 2013 | Anti-Defamation League | 990 | Member, Nat'L Commission | 1 | $0 | $0 | View return |
| 2013 | University of Miami | 990 | Trustee | 20 | $0 | $0 | View return |