ECB Bancorp, Inc.
ECBK- Exchange
- Nasdaq
- Industry
- Savings Institutions, Not Federally Chartered
- SEC CIK
- 0001914605
No open-market purchases or sales by ECB Bancorp, Inc. insiders were filed in the last 90 days; 60 institutions reported holding it in 13F filings for Q2 2026, worth $49.5M in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in ECB Bancorp, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 27
- +1 vs. Q4 2024
- Shares held
- 2.20M
- −29.9K (−1.3%) vs. Q4 2024
- Total value
- $33.3M
- +$238.5K (+0.7%) vs. Q4 2024
- New holders
- 6
- 8 more added
- Sold out
- 5
- 6 more reduced
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ECBK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 60 | $49.5M |
| Q1 2026 | 59 | $44.9M |
| Q4 2025 | 51 | $46.5M |
| Q3 2025 | 49 | $41.7M |
| Q2 2025 | 40 | $41.2M |
| Q1 2025 | 27 | $33.3M |
| Q4 2024 | 26 | $33.0M |
| Q3 2024 | 24 | $30.6M |
| Q2 2024 | 22 | $26.3M |
| Q1 2024 | 26 | $27.8M |
| Q4 2023 | 26 | $26.5M |
| Q3 2023 | 24 | $21.3M |
| Q2 2023 | 18 | $23.0M |
| Q1 2023 | 21 | $25.1M |
| Q4 2022 | 21 | $28.9M |
| Q3 2022 | 20 | $26.1M |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding ECB Bancorp, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 875,455 | $13.3M | 0.00% | −3,643−0.4% | Reduced |
| Vanguard Group Inc | 456,222 | $6.91M | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 140,771 | $2.13M | 0.00% | +2,857+2.1% | Added |
| Sachetta, LLC | 115,270 | $1.75M | 0.72% | +5,832+5.3% | Added |
| Geode Capital Management, LLC | 80,525 | $1.22M | 0.00% | +2,507+3.2% | Added |
| Oppenheimer & Close, LLC | 61,007 | $924.3K | 0.76% | +6,007+10.9% | Added |
| Renaissance Technologies LLC | 53,100 | $804.5K | 0.00% | +1,900+3.7% | Added |
| Minerva Advisors LLC | 49,940 | $756.6K | 0.54% | +13,500+37.0% | Added |
| Millennium Management LLC | 46,800 | $709.0K | 0.00% | +46,800 | New |
| Maltese Capital Management LLC | 45,500 | $689.3K | 0.11% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 35,000 | $530.3K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 33,818 | $512.3K | 0.00% | −23,742−41.2% | Reduced |
| Raffles Associates LP | 32,684 | $495.2K | 0.60% | −9,777−23.0% | Reduced |
| Northern Trust Corp | 29,501 | $446.9K | 0.00% | −963−3.2% | Reduced |
| Fourthstone LLC | 23,043 | $349.1K | 0.09% | +23,043 | New |
| Grimes & Company, Inc. | 20,000 | $303.0K | 0.01% | 00.0% | Unchanged |
| Stilwell Value LLC | 20,000 | $303.0K | 0.16% | 00.0% | Unchanged |
| State Street Corp | 18,914 | $286.5K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 14,847 | $224.9K | 0.00% | +14,847 | New |
| Jane Street Group, LLC | 13,224 | $200.3K | 0.00% | +13,224 | New |
| Schonfeld Strategic Advisors LLC | 12,984 | $196.7K | 0.00% | +12,984 | New |
| Mariner, LLC | 10,161 | $153.9K | 0.00% | +161+1.6% | Added |
| UBS Group AG | 4,000 | $60.6K | 0.00% | −14,000−77.8% | Reduced |
| Morgan Stanley | 3,262 | $49.4K | 0.00% | +3,262 | New |
| American Capital Advisory, LLC | 100 | $1.51K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 66 | $1.00K | 0.00% | +3+4.8% | Added |
| Barclays PLC | 56 | $848 | 0.00% | −1,083−95.1% | Reduced |
| Castalian Partners, LLC | 0 | $0 | 0.00% | −86,181−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Eastern Bank | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −1,397−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −24−100.0% | Sold out |