Who owns ECB Bancorp, Inc. /MD/?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ECBK from SEC Form 13F filings across 60 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 60 institutions disclosed 2.6M shares of ECB Bancorp, Inc. /MD/ worth $49.5M — about 32.4% of shares outstanding; the largest disclosed holder is ALLIANCEBERNSTEIN L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.
60
13F holders
$49.5M
value, 2026 filers
32.4%
of shares outstanding (2.6M sh)
7
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ECBK's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | 754,430 | $12.6M | 0.0% | 9.4% | -4.2% |
| 2 | BlackRock, Inc. | 418,386 | $8.4M | 0.0% | 5.2% | +6.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 337,942 | $6.8M | 0.0% | 4.2% | -12.0% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 175,662 | $3.5M | 0.0% | 2.2% | +13.9% |
| 5 | Sachetta, LLC | 118,853 | $2.4M | 1.2% | 1.5% | 0.0% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 83,800 | $1.7M | 0.0% | 1% | -4.6% |
| 7 | STATE STREET CORP | 77,792 | $1.6M | 0.0% | 1% | -2.3% |
| 8 | Oppenheimer & Close, LLC | 61,007 | $1.2M | 0.8% | 0.8% | 0.0% |
| 9 | NORTHERN TRUST CORP | 57,212 | $1.1M | 0.0% | 0.7% | -9.8% |
| 10 | MALTESE CAPITAL MANAGEMENT LLC | 55,198 | $1.1M | 0.2% | 0.7% | 0.0% |
| 11 | Minerva Advisors LLC | 49,940 | $1.0M | 0.6% | 0.6% | 0.0% |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | 49,702 | $998,016 | 0.0% | 0.6% | +14.9% |
| 13 | VANGUARD FIDUCIARY TRUST CO | 48,957 | $983,057 | 0.0% | 0.6% | +1.1% |
| 14 | MORGAN STANLEY | 48,447 | $972,817 | 0.0% | 0.6% | +10.5% |
| 15 | HighTower Advisors, LLC | 43,005 | $863,540 | 0.0% | 0.5% | 0.0% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 22,256 | $446,900 | 0.0% | 0.3% | +9.8% |
| 17 | STILWELL VALUE LLC | 20,000 | $401,600 | 0.2% | 0.2% | 0.0% |
| 18 | GRIMES & Co WEALTH MANAGEMENT, LLC | 20,000 | $401,600 | 0.0% | 0.2% | 0.0% |
| 19 | Bank of New York Mellon Corp | 17,909 | $359,613 | 0.0% | 0.2% | +5.5% |
| 20 | Nuveen, LLCNEW | 16,898 | $339,312 | 0.0% | 0.2% | new |
| 21 | AQR CAPITAL MANAGEMENT LLCNEW | 13,756 | $276,220 | 0.0% | 0.2% | new |
| 22 | RAFFLES ASSOCIATES LP | 13,255 | $266,160 | 0.2% | 0.2% | -1.1% |
| 23 | Mariner, LLC | 12,980 | $260,638 | 0.0% | 0.2% | +0.7% |
| 24 | RHUMBLINE ADVISERS | 10,154 | $203,887 | 0.0% | 0.1% | +3.8% |
| 25 | CITADEL ADVISORS LLCNEW | 10,083 | $202,467 | 0.0% | 0.1% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.