Amerant Bancorp Inc. (AMTB) Institutional Ownership

Ownership Summary

A total of 132 institutions have reported a stake in Amerant Bancorp Inc. (NYSE:AMTB) as of September 2025, according to recent 13F filings with the SEC.

• The collective stake of institutional investors in Amerant Bancorp moved to 67.7% in September 2025, a shift up from the 64.4% reported for June 2025.
• Institutional share ownership changed by 10.87% QoQ, while the number of institutional owners saw an increase of 15.79% YoY.
• A review of institutional activity for Amerant Bancorp shows 72 of 132 filers increasing their positions, while 40 reduced their stake, and 20 remained unchanged.
• Collectively, institutional investors increased their stake in Amerant Bancorp to 26.38Mn shares as of September 2025, a change that is up by 2.58Mn shares quarter on quarter and up 1.38Mn shares year over year.
• The top institutional stake in Amerant Bancorp as of September 30, 2025 belongs to WELLINGTON MANAGEMENT GROUP LLP, which owns 5.73Mn shares, or 14.72% of the company.
• Among the most significant buyers of Amerant Bancorp during September 2025 were Patriot Financial Partners GP II, L.P. (2.32Mn), MILLENNIUM MANAGEMENT LLC (386.71K), Empowered Funds, LLC (150.34K), JPMORGAN CHASE & CO (140.83K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (135.19K).
• Leading sellers of Amerant Bancorp stock in September 2025 included KENNEDY CAPITAL MANAGEMENT LLC (325.55K), GOLDMAN SACHS GROUP INC (303.30K), Allspring Global Investments Holdings, LLC (186.78K), AMERICAN CENTURY COMPANIES INC (83.73K), MALTESE CAPITAL MANAGEMENT LLC (75.29K).
• The top 10 institutional holders of Amerant Bancorp for the quarter ending September 2025 included WELLINGTON MANAGEMENT GROUP LLP (5.73Mn), BlackRock, Inc. (2.88Mn), Patriot Financial Partners GP II, L.P. (2.32Mn), VANGUARD GROUP INC (2.22Mn), DIMENSIONAL FUND ADVISORS LP (1.34Mn), STATE STREET CORP (1.07Mn), MALTESE CAPITAL MANAGEMENT LLC (967.32K), GEODE CAPITAL MANAGEMENT, LLC (882.60K), GOLDMAN SACHS GROUP INC (606.60K), Verition Fund Management LLC (484.06K).