ECB Bancorp (ECBK) Institutional Ownership $16.56 0.00 (0.00%) Closing price 04:00 PM EasternExtended Trading$16.56 0.00 (0.00%) As of 04:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for ECB Bancorp (NASDAQ:ECBK)CurrentInstitutional OwnershipPercentage30.27%Number ofInstitutional Buyers(last 12 months)11TotalInstitutional Inflows(last 12 months)$4.06MNumber ofInstitutional Sellers(last 12 months)4TotalInstitutional Outflows(last 12 months)$1.47M Get ECBK Insider Trade Alerts Want to know when executives and insiders are buying or selling ECB Bancorp stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data ECBK Institutional Buying and Selling by Quarter ECB Bancorp Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.4,204$65K0.0%N/A0.047% 8/14/2025Alliancebernstein L.P.828,475$12.79M0.0%-5.4%9.360% 8/13/2025 New York State Common Retirement Fund6,700$103K0.0%N/A0.076% 8/12/2025 JPMorgan Chase & Co.3,650$56K0.0%N/A0.040% 8/8/2025 Geode Capital Management LLC172,835$2.67M0.0%+114.6%1.914% 5/19/2025Jane Street Group LLC13,224$200K0.0%N/A0.146% 5/9/2025 Minerva Advisors LLC49,940$757K0.5%+37.0%0.551% 5/8/2025 Minerva Advisors LLC49,940$757K0.5%+37.0%0.551% 5/2/2025 Sachetta LLC115,270$1.75M0.7%+5.3%1.273% 4/29/2025 Oppenheimer & Close LLC61,007$924K0.8%+10.9%0.674% Get the Latest News and Ratings for ECBK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ECB Bancorp and its competitors with MarketBeat's FREE daily newsletter. 2/14/2025Raffles Associates LP42,461$630K0.7%-13.2%0.466% 2/14/2025 Castalian Partners LLC86,181$1.28M0.6%N/A0.945% 2/14/2025 Northern Trust Corp30,464$452K0.0%+22.0%0.334% 2/14/2025Integrated Wealth Concepts LLC20,000$297K0.0%-20.0%0.219% 2/12/2025 Geode Capital Management LLC78,018$1.16M0.0%-1.4%0.855% 2/12/2025Alliancebernstein L.P.879,098$13.05M0.0%-3.1%9.639% 11/16/2024 Geode Capital Management LLC79,092$1.13M0.0%-10.0%0.867% 11/14/2024Raffles Associates LP48,921$701K0.7%-3.1%0.536% 11/8/2024 Sachetta LLC109,438$1.57M0.6%+2.2%1.191% 10/22/2024 Eastern Bank16,000$229K0.0%N/A0.174% 8/9/2024 Renaissance Technologies LLC36,400$454K0.0%+3.7%0.395% 2/9/2024 Sachetta LLC107,105$1.35M0.6%N/A1.141% 1/24/2024 Grimes & Company Inc.20,000$251K0.0%+28.6%0.213% 11/16/2023 Minerva Advisors LLC20,535$224K0.2%N/A0.219% 11/14/2023 Minerva Advisors LLC427,460$4.69M3.3%N/A4.656% 10/24/2023 Lynch & Associates IN10,000$110K0.0%-23.1%0.109% 8/15/2023Raffles Associates LP15,000$196K0.3%N/A0.163% 7/13/2023 Lynch & Associates IN13,000$170K0.0%-16.8%0.142% 5/15/2023Maltese Capital Management LLC100,000$1.39M0.5%-10.4%1.090% 5/15/2023 rhino investment partners Inc160,636$2.23M0.6%+8.1%1.751% 2/13/2023Integrated Wealth Concepts LLC25,000$401K0.0%N/A0.272% 1/10/2023Cambridge Trust Co.16,000$257K0.0%N/A0.174% 1/5/2023 Lynch & Associates IN15,837$254K0.1%-20.5%0.173% 11/15/2022 Stilwell Value LLC20,000$288K0.2%N/A0.218% 10/17/2022 Oppenheimer & Close LLC55,000$791K0.9%N/A0.599% 10/11/2022TIAA FSB38,500$554K0.0%N/A0.420% (Data available from 1/1/2016 forward) ECBK Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ECBK shares? During the previous two years, 17 institutional investors and hedge funds held shares of ECB Bancorp. The most heavily invested institutionals were Alliancebernstein L.P. ($12.79M), Geode Capital Management LLC ($2.67M), Sachetta LLC ($1.75M), Castalian Partners LLC ($1.28M), Oppenheimer & Close LLC ($924K), Minerva Advisors LLC ($757K), and Raffles Associates LP ($630K).Learn more on ECB Bancorp's institutional investors. What percentage of ECB Bancorp's stock is owned by institutional investors? 30.27% of ECB Bancorp's stock is owned by institutional investors. Learn more on ECBK's institutional investor holdings. Which institutional investors have been buying ECB Bancorp's stock? Of the 14 institutional investors that purchased ECB Bancorp's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Minerva Advisors LLC ($475.00K), Sachetta LLC ($115.27K), Geode Capital Management LLC ($92.31K), Castalian Partners LLC ($86.18K), Eastern Bank ($16K), Raffles Associates LP ($15K), and Jane Street Group LLC ($13.22K). How much institutional buying is happening at ECB Bancorp? Institutional investors have bought a total of 268,936 shares in the last 24 months. This purchase volume represents approximately $4.06M in transactions. Which of ECB Bancorp's major shareholders have been selling company stock? The following institutional investors have sold ECB Bancorp stock in the last 24 months: Alliancebernstein L.P. ($74.85K), Geode Capital Management LLC ($9.86K), Raffles Associates LP ($8.03K), and Integrated Wealth Concepts LLC ($5K). How much institutional selling is happening at ECB Bancorp? Institutional investors have sold a total of 97,730 shares in the last 24 months. This volume of shares sold represents approximately $1.47M in transactions. Related Companies FUFU Institutional Ownership MPB Institutional Ownership ALRS Institutional Ownership NPB Institutional Ownership CBNK Institutional Ownership SHBI Institutional Ownership HONE Institutional Ownership TCBX Institutional Ownership GNTY Institutional Ownership YRD Institutional Ownership This page (NASDAQ:ECBK) was last updated on 8/14/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. 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