ECBK
ECB Bancorp, Inc. /MD/
$20.20
-0.08 (-0.39%)
At close · Jul 2
Market Cap
$176.83M
Shares
8,753,970
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 58
Total Value: $43,704,698
Total Shares: 2,612,357
Institutional Ownership Trend
15 quarters
Holder Concentration
Across 58 13F filers · Δ vs Dec 31, 2025Top Holder
30.1%
+0.3 pts
Top 5
70.4%
−3.0 pts
Top 10
83.7%
−2.5 pts
HHI
1,465
Broadly held−75
Quarterly Activity
vs Dec 31, 2025
New
10
Increased
14
Decreased
21
Sold Out
3
Unchanged
13
Holder count:
+7
Institutional value:
-6.1%
Shares held:
-2.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Micro Covalent Partners LLC | +17,000 | 50,000 | |
| Mega GOLDMAN SACHS GROUP INC | +10,356 | 31,079 | |
| Small MALTESE CAPITAL MANAGEMENT LLC | +9,698 | 55,198 | |
| Mega STATE STREET CORP | +4,300 | 79,592 | |
| Mega UBS Group AG | +1,402 | 9,452 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | −16,488 | 154,247 | |
| Mega ALLIANCEBERNSTEIN L.P. | −10,986 | 787,279 | |
| Mega BARCLAYS PLC | −9,634 | 2,287 | |
| Mega WELLS FARGO & COMPANY/MN | −5,575 | 3,374 | |
| Mega BlackRock, Inc. | −5,223 | 394,646 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 383,922 | $6,423,015 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 48,448 | $810,535 | |
| Mega DEUTSCHE BANK AG\ | 3,098 | $51,829 | |
| Mega Vanguard Global Advisers, LLC | 2,279 | $38,127 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 369 | $6,173 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 477,311 | $8,300,437 | |
| Mega BANK OF AMERICA CORP /DE/ | 6,764 | $117,625 | |
| Large AMALGAMATED BANK | 236 | $4,104 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega ALLIANCEBERNSTEIN L.P. | $13,171,177 | 30.14% | 787,279 | Shares | Defined | 2026-05-15 | ||||
| Mega BlackRock, Inc. | $6,602,426 | 15.11% | 394,646 | Shares | Sole | 2026-05-13 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $6,423,015 | 14.70% | 383,922 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $2,580,552 | 5.90% | 154,247 | Shares | Defined | 2026-05-15 | ||||
| Micro Sachetta, LLC | $1,988,410 | 4.55% | 118,853 | Shares | Sole | 2026-05-01 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $1,469,998 | 3.36% | 87,866 | Shares | Sole | 2026-05-14 | ||||
| Mega STATE STREET CORP | $1,331,574 | 3.05% | 79,592 | Shares | Defined | 2026-05-15 | ||||
| Mega NORTHERN TRUST CORP Bank | $1,060,729 | 2.43% | 63,403 | Shares | Defined | 2026-05-14 | ||||
| Small Oppenheimer & Close, LLC | $1,020,647 | 2.34% | 61,007 | Shares | Sole | 2026-05-12 | ||||
| Small MALTESE CAPITAL MANAGEMENT LLC | $923,461 | 2.11% | 55,198 | Shares | Sole | 2026-05-15 | ||||
| Micro Covalent Partners LLC | $836,500 | 1.91% | 50,000 | Shares | Sole | 2026-05-15 | ||||
| Small Minerva Advisors LLC | $835,496 | 1.91% | 49,940 | Shares | Other | 2026-05-12 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $810,535 | 1.85% | 48,448 | Shares | Defined | 2026-05-08 | ||||
| Mega MORGAN STANLEY | $733,775 | 1.68% | 43,860 | Shares | Defined | 2026-05-15 | ||||
| Large HighTower Advisors, LLC | $719,473 | 1.65% | 43,005 | Shares | Sole | 2026-05-05 | ||||
| Mega GOLDMAN SACHS GROUP INC | $519,951 | 1.19% | 31,079 | Shares | Defined | 2026-05-15 | ||||
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $339,200 | 0.78% | 20,275 | Shares | Sole | 2026-05-15 | ||||
| Mid GRIMES & Co WEALTH MANAGEMENT, LLC | $334,600 | 0.77% | 20,000 | Shares | Sole | 2026-04-21 | ||||
| Micro STILWELL VALUE LLC | $334,600 | 0.77% | 20,000 | Shares | Defined | 2026-05-06 | ||||
| Mega Bank of New York Mellon Corp Bank | $283,923 | 0.65% | 16,971 | Shares | Defined | 2026-05-05 | ||||
| Micro RAFFLES ASSOCIATES LP | $224,165 | 0.51% | 13,399 | Shares | Sole | 2026-05-15 | ||||
| Large Mariner, LLC | $215,599 | 0.49% | 12,887 | Shares | Sole | 2026-05-13 | ||||
| Mega RHUMBLINE ADVISERS | $163,686 | 0.37% | 9,784 | Shares | Sole | 2026-05-12 | ||||
| Mega UBS Group AG | $158,131 | 0.36% | 9,452 | Shares | Defined | 2026-05-05 | ||||
| Mid Farther Finance Advisors, LLC | $83,650 | 0.19% | 5,000 | Shares | Sole | 2026-04-07 | ||||
| Large NEW YORK STATE COMMON RETIREMENT FUND Pension | $70,567 | 0.16% | 4,218 | Shares | Sole | 2026-05-06 | ||||
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $60,662 | 0.14% | 3,626 | Shares | Defined | 2026-05-15 | ||||
| Mega WELLS FARGO & COMPANY/MN | $56,446 | 0.13% | 3,374 | Shares | Defined | 2026-05-11 | ||||
| Mega DEUTSCHE BANK AG\ Bank | $51,829 | 0.12% | 3,098 | Shares | Defined | 2026-05-06 | ||||
| Mega JPMORGAN CHASE & CO | $51,577 | 0.12% | 3,083 | Shares | Defined | 2026-05-13 | ||||
| Mega BARCLAYS PLC | $38,261 | 0.09% | 2,287 | Shares | Defined | 2026-05-15 | ||||
| Mega Vanguard Global Advisers, LLC | $38,127 | 0.09% | 2,279 | Shares | Defined | 2026-05-08 | ||||
| Large Police & Firemen's Retirement System of New Jersey Pension | $30,833 | 0.07% | 1,843 | Shares | Defined | 2026-04-29 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $29,695 | 0.07% | 1,775 | Shares | Defined | 2026-05-12 | ||||
| Large Russell Investments Group, Ltd. | $26,383 | 0.06% | 1,577 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $17,951 | 0.04% | 1,073 | Shares | Defined | 2026-05-15 | ||||
| Mid Ameritas Investment Partners, Inc. | $13,149 | 0.03% | 786 | Shares | Other | 2026-05-13 | ||||
| Mega Legal & General Group Plc | $11,627 | 0.03% | 695 | Shares | Defined | 2026-05-08 | ||||
| Mega CITIGROUP INC | $8,465 | 0.02% | 506 | Shares | Defined | 2026-05-11 | ||||
| Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $6,792 | 0.02% | 406 | Shares | Sole | 2026-05-18 | ||||
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $6,173 | 0.01% | 369 | Shares | Defined | 2026-05-13 | ||||
| Large CWM, LLC | $4,433 | 0.01% | 265 | Shares | Sole | 2026-05-14 | ||||
| Mid Sterling Capital Management LLC | $4,149 | 0.01% | 248 | Shares | Sole | 2026-04-22 | ||||
| Mega FMR LLC | $2,593 | 0.01% | 155 | Shares | Defined | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $2,107 | 0.00% | 126 | Shares | Defined | 2026-05-15 | ||||
| Micro American Capital Advisory, LLC | $1,673 | 0.00% | 100 | Shares | Sole | 2026-04-29 | ||||
| Small Essential Partners LLC | $1,371 | 0.00% | 82 | Shares | Sole | 2026-05-21 | ||||
| Mid Advisory Services Network, LLC | $1,355 | 0.00% | 81 | Shares | Sole | 2026-05-15 | ||||
| Small Covestor Ltd | $936 | 0.00% | 56 | Shares | Sole | 2026-05-05 | ||||
| Mid TD PRIVATE CLIENT WEALTH LLC | $619 | 0.00% | 37 | Shares | Defined | 2026-04-27 | ||||
| Micro Cornerstone Planning Group LLC | $485 | 0.00% | 29 | Shares | Sole | 2026-05-06 | ||||
| Mid EverSource Wealth Advisors, LLC | $316 | 0.00% | 19 | Shares | Sole | 2026-05-18 | ||||
| Large NISA INVESTMENT ADVISORS, LLC | $284 | 0.00% | 17 | Shares | Sole | 2026-04-30 | ||||
| Mega PNC FINANCIAL SERVICES GROUP, INC. | $267 | 0.00% | 16 | Shares | Defined | 2026-05-08 | ||||
| Mid IFP Advisors, Inc | $184 | 0.00% | 11 | Shares | Sole | 2026-04-13 | ||||
| Mid Allworth Financial LP | $50 | 0.00% | 3 | Shares | Sole | 2026-05-15 | ||||
| Mid MAI Capital Management | $33 | 0.00% | 2 | Shares | Sole | 2026-05-15 | ||||
| Small Root Financial Partners, LLC | $33 | 0.00% | 2 | Shares | Sole | 2026-04-24 | ||||
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