ECB Bancorp ECBK Institutional Ownership

Updated Oct 10, 2026

ECB Bancorp, Inc. (NASDAQ:ECBK) was reported as a holding by 62 institutional investors in 13F filings for the quarter ended June 30, 2026.

• These investors held 29.63% of outstanding shares in Q2 2026, down from 30.27% the quarter before.
• Total holdings of ECB Bancorp shares fell 2.41% from Q1 2026, and the number of holders rose 58.97% from Q2 2025.
• Of the 62 holders, 31 added to their positions, 14 reduced their stakes and 17 left their positions unchanged in Q2 2026.
• Institutional investors held 2.59Mn shares of ECB Bancorp in total at the end of Q2 2026, down 63.97K from the prior quarter and down 27.6K from a year earlier.
• AllianceBernstein L.P. was the top holder of ECB Bancorp as of June 30, 2026, with 754.43K shares, or 8.62% of shares outstanding.
• The biggest increases in ECBK positions during Q2 2026 came from BlackRock, Inc. (+23.74K shares), Geode Capital Management, LLC (+21.41K shares), Vanguard Portfolio Management LLC (+6.45K shares), Morgan Stanley (+4.59K shares) and Deutsche Bank AG (+4.16K shares).
• The largest position reductions in ECBK for Q2 2026 were by Vanguard Capital Management LLC (-45.98K shares), AllianceBernstein L.P. (-32.85K shares), UBS Group AG (-7.59K shares), Northern Trust Corp (-6.19K shares) and Renaissance Technologies LLC (-4.07K shares).
• Per Business Quant, the top 10 investors in ECBK for the quarter ended June 30, 2026 were AllianceBernstein L.P. (754.43K shares), BlackRock, Inc. (418.39K shares), Vanguard Capital Management LLC (337.94K shares), Geode Capital Management, LLC (175.66K shares), Sachetta, LLC (118.85K shares), Renaissance Technologies LLC (83.8K shares), State Street Corp (77.79K shares), Oppenheimer & Close, LLC (61.01K shares), Northern Trust Corp (57.21K shares) and Maltese Capital Management LLC (55.2K shares).