AGNC Investment Corp.AGNC will be added to the S&P MidCap 400 Index in the September quarterly rebalance, a valuation/index-inclusion event for the stock.

AGNC Investment Corp. will be added to the S&P MidCap 400 Index, effective prior to the open of trading on Monday, September 21, 2026, as part of S&P Dow Jones Indices' September quarterly rebalance. The S&P MidCap 400 Index measures the performance of the mid-cap segment of the U.S. market and is composed of 400 constituent companies. As a result of its addition to that index, AGNC will also become a constituent of the S&P Composite 1500, the S&P 900, and the S&P 1000 indices. Chief Executive Officer Peter Federico called the addition an important milestone and a testament to the scale AGNC has attained over its 18-year history. Founded in 2008, AGNC invests in Agency residential mortgage-backed securities and has paid over $16 billion of common stock dividends since inception.
AGNC Investment Corp.AGNC will be added to the S&P MidCap 400 Index in the September quarterly rebalance, a valuation/index-inclusion event for the stock.