| 2024 | Winthrop South Nassau University Health | 990EZ | Vice Chairman | 0.05 | $0 | $0 | View return |
| 2024 | Mount Sinai Hospitals Group Inc | 990EZ | Vice Chairman | 2 | $0 | $0 | View return |
| 2024 | The Carl C Icahn Foundation | 990PF | President, Director | 1 | $0 | $0 | View return |
| 2024 | Ipaw Inc | 990PF | President, Director | 1 | $0 | $0 | View return |
| 2024 | Icahn School of Medicine at Mount Sinai | 990 | Vice Chairman/Trustee | 2 | $0 | $0 | View return |
| 2024 | South Nassau Communities Hospital | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2024 | The Mount Sinai Medical Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2024 | The Mount Sinai Hospital | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2024 | South Nassau Communities Hospital | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2023 | The Carl C Icahn Foundation | 990PF | President, Director | 1 | $0 | $0 | View return |
| 2023 | South Nassau Communities Hospital | 990 | Vice Chairman/Trustee (Start 10/23) | 1 | $0 | $0 | View return |
| 2023 | Ipaw Inc | 990PF | President, Director | 1 | $0 | $0 | View return |
| 2023 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2023 | South Nassau Communities Hospital Inc | 990 | Vice Chairman/Trustee (Start 10/23) | 1 | $0 | $0 | View return |
| 2023 | Mount Sinai Hospitals Group Inc | 990EZ | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | St Luke'S-Roosevelt Hospital Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | New York Eye & Ear Infirmary | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | The Mount Sinai Medical Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | Mount Sinai Hospitals Group Inc | 990EZ | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | Mount Sinai Health System Inc | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | Icahn School of Medicine at Mount Sinai | 990 | Vice Chairman/Trustee | 2 | $0 | $0 | View return |
| 2022 | The Mount Sinai Hospital | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | Beth Israel Medical Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2022 | The Carl C Icahn Foundation | 990PF | President, Director | 1 | $0 | $0 | View return |
| 2022 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2021 | The Mount Sinai Hospital | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | Mount Sinai Hospitals Group Inc | 990EZ | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | St Luke'S-Roosevelt Hospital Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | The Mount Sinai Medical Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | Beth Israel Medical Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | New York Eye & Ear Infirmary | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | Icahn School of Medicine at Mount Sinai | 990 | Vice Chairman/Trustee | 2 | $0 | $0 | View return |
| 2021 | Mount Sinai Health System Inc | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2021 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2021 | The Carl C Icahn Foundation | 990PF | President, Director | 1 | $0 | $0 | View return |
| 2020 | Mount Sinai Hospitals Group Inc | 990EZ | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | The Mount Sinai Medical Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | The Mount Sinai Hospital | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | Mount Sinai Health System Inc | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | Beth Israel Medical Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | New York Eye & Ear Infirmary | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | Icahn School of Medicine at Mount Sinai | 990 | Vice Chairman/Trustee | 2 | $0 | $0 | View return |
| 2020 | St Luke'S-Roosevelt Hospital Center | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2020 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2020 | The Carl C Icahn Foundation | 990PF | President, Director | 1 | $0 | $0 | View return |
| 2019 | New York Eye & Ear Infirmary | 990 | Vice Chairman | 2 | $0 | $0 | View return |
| 2019 | The Mount Sinai Medical Center | 990 | Vice Chairman (As Of 4/2019) | 2 | $0 | $0 | View return |
| 2019 | The Mount Sinai Hospital | 990 | Vice Chairman (Eff 4/2019) | 2 | $0 | $0 | View return |
| 2019 | Icahn School of Medicine at Mount Sinai | 990 | Vice Chairman/Trustee | 2 | $0 | $0 | View return |
| 2019 | Beth Israel Medical Center | 990 | Vice Chairman (Eff 4/2019) | 2 | $0 | $0 | View return |
| 2019 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2019 | St Luke'S-Roosevelt Hospital Center | 990 | Vice Chairman (Eff 4/2019) | 2 | $0 | $0 | View return |
| 2018 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2018 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | $0 | View return |
| 2017 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | $0 | View return |
| 2016 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Carl C Icahn Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2015 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | $0 | $0 | View return |
| 2015 | The Carl C Icahn Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | $0 | View return |
| 2015 | Studentsfirst New York Inc | 990 | Director (Thru 11/5/15) | 1 | $0 | $0 | View return |
| 2015 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Carl C Icahn Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Studentsfirst New York Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | $0 | View return |
| 2013 | Icahn School of Medicine at Mount Sinai | 990 | Trustee | 1 | - | - | View return |
| 2013 | The Carl C Icahn Foundation | 990 | Director | 1 | - | - | View return |
| 2013 | The Icahn Medical Research Foundation | 990 | President, Director | 1 | - | - | View return |
| 2013 | Icahn Charter School 6 | 990 | Chairman/Trustee (Thru 09/13) | 1 | - | - | View return |
| 2013 | Icahn Charter School 1 | 990 | Chairman/Trustee- Thru 09/2013 | 1 | - | - | View return |
| 2013 | Icahn Charter School 3 | 990 | Chairman/Trustee (Thru 09/13) | 1 | - | - | View return |
| 2013 | Icahn Charter School 5 | 990 | Chairman/Trustee (Thru 09/13) | 1 | - | - | View return |
| 2013 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | $0 | View return |
| 2013 | Icahn Charter School 4 | 990 | Chairman/Trustee (Thru 09/13) | 1 | - | - | View return |
| 2013 | Studentsfirst New York Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Icahn Charter School 2 | 990 | Chairman/Trustee (Thru 09/13) | 1 | - | - | View return |
| 2013 | Icahn Charter School 7 | 990 | Chairman/Trustee (Thru 09/13) | 1 | - | - | View return |
| 2012 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | - | View return |
| 2012 | The Icahn Charitable Foundation | 990PF | Pres, Direc, Treas | 1 | $0 | - | View return |
| 2011 | The Icahn Charitable Foundation | 990PF | Pres, Direc, Treas | 1 | $0 | - | View return |
| 2011 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | - | View return |
| 2011 | The Icahn Family Foundation | 990PF | Pres & Treas | 1 | $0 | - | View return |
| 2010 | The Icahn Family Foundation | 990PF | Pres & Treas | 1 | $0 | $0 | View return |
| 2010 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 10 | $0 | $0 | View return |
| 2010 | The Icahn Charitable Foundation | 990PF | Pres, Direc, Treas | 1 | $0 | $0 | View return |
| 2009 | The Icahn Family Foundation | 990PF | Pres & Treas | 1 | $0 | $0 | View return |
| 2009 | The Icahn Charitable Foundation | 990PF | Dir,Pres,Treas | 1 | $0 | $0 | View return |
| 2009 | The Carl C Icahn Foundation | 990PF | Pres, Treas, Director | 1 | $0 | $0 | View return |