Who are SEI competitors?

Who exactly are the competitors of SEI? Could you please elaborate on the companies or organizations that pose the most significant challenge to SEI in terms of market share, technological advancements, or business strategies? It would be interesting to know how SEI distinguishes itself from its competitors, and what unique advantages it has that enable it to stay ahead in the competition. Additionally, are there any emerging competitors that SEI should be aware of and prepare for in the future? Understanding the competitive landscape is crucial for SEI to maintain its position and continue to grow in the industry.