The phrase "am bottom of" is a way of expressing that you are at the very bottom or lowest position among a group of people or things. Some antonyms for this phrase that would indicate a higher position or level include "am top of," "am above," "am superior to," and "am ahead of." These words suggest a sense of accomplishment, success, and leadership. By using these antonyms, you can shift the tone of your statement from one of defeat to one of triumph and confidence. By striving to reach the top or be superior, you can aspire to achieve great things and rise above your current circumstances.