First Manhattan | 3,471 followers on LinkedIn. Take tomorrow further. | First Manhattan is a $36B+ AuM investment advisory firm that seeks to deliver strong financial returns, customized wealth planning advice, and personalized client service. For six decades, we have been a trusted partner to individuals, families, and fiduciaries, as well as partnerships and charitable trusts and foundations. When you partner with us, you can count on our experience building wealth over the long term.