19 AI answers to 5 prompts name 7 brands. Vanguard leads with 26.4% of mentions; the top 3 hold 77.8%.
Brands and sources in the sampled answers
Share of brand mentions in Index fund providers answers
Moderately concentrated: the top 3 hold 77.8% of mentions; the leader 26.4%.
Every engine sampled
2 indexes · by answers
