Under Armour, Inc. (UAA) Institutional Ownership

Ownership Summary

Under Armour, Inc. (NYSE:UAA) is held by 344 institutional investors per 13F filings through December 2025.

• These investors collectively held 47.1% of Under Armour's outstanding shares in December 2025, up from 39.1% in September 2025.
• They increased total shares held in UAA by 37.16% quarter over quarter, and investors in Under Armour decreased 10.42% from a year ago.
• Of these 344 holders, 177 added to their stakes in Under Armour, 95 trimmed positions, and 72 made no changes.
• Altogether, these fund groups held 199.92Mn shares in UAA by December 2025, up by 54.16Mn shares quarter on quarter, and up 3.13Mn shares year over year.
• Fairfax Financial Holdings Ltd/ Can holds the largest position in UAA at 43.0Mn shares as of December 31, 2025, or 10.12% of shares outstanding.
• The most significant purchases of UAA for the quarter ending December 2025 came from VANGUARD PORTFOLIO MANAGEMENT LLC (10.84Mn), VANGUARD CAPITAL MANAGEMENT LLC (6.03Mn), HRT FINANCIAL LP (4.03Mn), STATE OF WISCONSIN INVESTMENT BOARD (2.75Mn), Woodline Partners LP (2.05Mn).
• The largest sellers of Under Armour for the quarter ending December 2025 were SUSQUEHANNA INTERNATIONAL GROUP, LLP (4.22Mn), Squarepoint Ops LLC (1.42Mn), Ovata Capital Management Ltd (1.4Mn), MARSHALL WACE, LLP (1.33Mn), FIRST TRUST ADVISORS LP (1.12Mn).
• According to Business Quant data, leading holders of UAA for December 2025 are Fairfax Financial Holdings Ltd/ Can (43.0Mn), BlackRock, Inc. (20.86Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (10.84Mn), DIMENSIONAL FUND ADVISORS LP (8.53Mn), UBS Group AG (8.07Mn), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (6.17Mn), VANGUARD CAPITAL MANAGEMENT LLC (6.03Mn), State Street Corp (6.01Mn), D. E. Shaw & Co., Inc. (5.75Mn), JANE STREET GROUP, LLC (5.01Mn).