New York Public Library Astor, Lenox, and Tilden Foundations (NYPL) is an independent non-profit foundation based in New York, New York. Established in 1895, the foundation operates research and branch libraries in New York City under a restated charter from the regents of the state university of New York. The mission of the foundation is to inspire lifelong learning, advance knowledge, and strengthen the community. The assets of the foundation are managed by the executive management team.New York Public Library Astor, Lenox, and Tilden Foundations' investment portfolio is valued at $1.41 billion, with investments in domestic and international equity, hedge funds, real estate, private equity, and cash.