Only member firms are allowed to buy and sell securities on the trading floor. To become a member firm, a company must meet rigorous professional standards set by the Exchange. The number of seats has remained constant, at 1,366, since 1953.
Institutional investors are corporations that invest on behalf of individuals and companies.
Institutions include pension funds, mutual funds, insurance companies and banks. Institutional Investors For rule changes, circuit breaker updates, and press releases targeted to buy-side professionals, equity traders, and portfolio managers click the Institutions tab. Click on the title of the press release to view the entire text.