John Marshall Stewart is named as a lobbyist on federal disclosure filings for 1 client through Elanco Animal Health Incorporated. The most recent filing naming them posted in July 2026. Issues reported include Animals, Agriculture and Environment/Superfund.
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| ELANCO ANIMAL HEALTH INCORPORATED | ELANCO ANIMAL HEALTH INCORPORATED | Q2 2026 | Agriculture, Environment/Superfund, Animals |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 1 | 1 |
| 2025 | 1 | 1 |
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name John Marshall Stewart. See the Capitol Clarity rankings and method.