Institutional Shareholder Services
ORG · 2 article mentions
Institutional Shareholder Services Inc. (ISS) is an American proxy advisory firm. Hedge funds, mutual funds and similar organizations that own shares of multiple companies pay ISS to advise regarding share holder votes. As the leading firm in the industry, ISS commands a 48 percent market share as of 2021, with its nearest rival, Glass Lewis, holding a 42 percent market share.
Wikipedia: https://en.wikipedia.org/wiki/Institutional_Shareholder_Services
Wikidata: Q6041167