The State Teachers Retirement Board of Ohio is a privately owned investment manager. The firm also provides retirement, disability, and survivor benefits. It invests in the public equity and fixed income markets across the globe. The firm also invests in the alternative investments markets, typically limiting such investments to real estate, private equity funds, venture capital funds, energy/natural resources, distressed debt, and hedge funds. For its equity investments, it typically invests in the common and preferred stocks of small-cap, mid-cap, and large-cap companies. The firm benchmarks the performance of its equity investments against the S&P 500 index. For its fixed income investments, it typically invests in treasury notes, government related securities, mortgage and asset-backed securities, investment grade corporate bonds, high yield corporate bonds, and emerging market debt. The firm benchmarks the performance of its fixed income investments against the treasury yield curve. The State Teachers Retirement Board of Ohio was founded in 1984 and is based in Columbus, Ohio.