Armour Residential REIT, Inc. (ARR) Institutional Ownership

Ownership Summary

Armour Residential REIT, Inc. (NYSE:ARR) showed up in the 13F filings of 212 institutional investors as of December 2025.

• These investors collectively held 59.1% of Armour Residential REIT's outstanding shares in December 2025, down from 61.2% in September 2025.
• They increased total shares held in Armour Residential REIT by 1.69% from last quarter, and the number of investors in ARR increased 19.1% annually.
• During the quarter, 120 of these 212 funds increased positions in ARR, 58 reduced exposure, and 34 held steady.
• The aggregate institutional position in Armour Residential REIT amounted to 61.82Mn shares as of December 2025, up by 1.03Mn shares quarter on quarter, and up 28.94Mn shares year over year.
• As of December 31, 2025, the biggest holder of Armour Residential REIT is BlackRock, Inc. at 17.46Mn shares, representing 16.7% of shares outstanding.
• The largest buyers of Armour Residential REIT for the quarter ending December 2025 were TWO SIGMA INVESTMENTS, LP (1.72Mn), AQR CAPITAL MANAGEMENT LLC (364.52K), GraniteShares Advisors LLC (308.2K), TWO SIGMA ADVISERS, LP (249.02K), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (178.64K).
• Top sellers of ARR stock for the quarter ending December 2025 included MARSHALL WACE, LLP (1.14Mn), Royal Bank Of Canada (618.74K), WOLVERINE ASSET MANAGEMENT LLC (317.7K), Philadelphia Financial Management of San Francisco, LLC (281.29K), Jpmorgan Chase & Co (247.71K).
• Business Quant data shows the 10 biggest positions in Armour Residential REIT as of December 2025 are held by BlackRock, Inc. (17.46Mn), VANGUARD GROUP INC (11.95Mn), State Street Corp (3.92Mn), GEODE CAPITAL MANAGEMENT, LLC (2.68Mn), Invesco Ltd. (1.81Mn), TWO SIGMA INVESTMENTS, LP (1.76Mn), D. E. Shaw & Co., Inc. (1.38Mn), MARSHALL WACE, LLP (1.36Mn), Morgan Stanley (1.16Mn), UBS Group AG (1.15Mn).