EVERETT, MA
ECB BANCORP, INC. /MD/ECBK— Latest position per institution from SEC 13F filings
15
Institutional holders
3.29M
Total shares held
59.38M
Estimated value
164.40K
Avg. position size
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
754.43K
Value
12.62M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
477.31K
Value
8.30M
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
418.39K
Value
8.40M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
337.94K
Value
6.79M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
175.66K
Value
3.53M
Filed
Jun 30, 2026
RHINO INVESTMENT PARTNERS, INC
CIK 1828776
Shares
160.64K
Value
2.23M
Filed
Mar 31, 2023
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
129.74K
Value
1.62M
Filed
Jun 30, 2024
SACHETTA, LLC
CIK 2010574
Shares
118.85K
Value
2.39M
Filed
Jun 30, 2026
CASTALIAN PARTNERS, LLC
CIK 1976319
Shares
86.18K
Value
1.28M
Filed
Dec 31, 2024
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
83.80K
Value
1.68M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
77.79K
Value
1.56M
Filed
Jun 30, 2026
OPPENHEIMER & CLOSE, LLC
CIK 1591377
Shares
61.01K
Value
1.23M
Filed
Jun 30, 2026
NORTHERN TRUST CORP
CIK 73124
Shares
57.21K
Value
1.15M
Filed
Jun 30, 2026
MALTESE CAPITAL MANAGEMENT LLC
CIK 1040762
Shares
55.20K
Value
1.11M
Filed
Jun 30, 2026
COVALENT PARTNERS LLC
CIK 1531611
Shares
50K
Value
836.50K
Filed
Mar 31, 2026
MINERVA ADVISORS LLC
CIK 1541536
Shares
49.94K
Value
1M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
49.70K
Value
998.02K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
48.96K
Value
983.06K
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
48.45K
Value
972.82K
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
46.80K
Value
709.02K
Filed
Mar 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | 1109448 | 754.43K | 12.62M | Jun 30, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 477.31K | 8.30M | Dec 31, 2025 |
| 3 | BLACKROCK, INC. | 2012383 | 418.39K | 8.40M | Jun 30, 2026 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 337.94K | 6.79M | Jun 30, 2026 |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 175.66K | 3.53M | Jun 30, 2026 |
| 6 | RHINO INVESTMENT PARTNERS, INC | 1828776 | 160.64K | 2.23M | Mar 31, 2023 |
| 7 | BLACKROCK FINANCE, INC. | 1364742 | 129.74K | 1.62M | Jun 30, 2024 |
| 8 | SACHETTA, LLC | 2010574 | 118.85K | 2.39M | Jun 30, 2026 |
| 9 | CASTALIAN PARTNERS, LLC | 1976319 | 86.18K | 1.28M | Dec 31, 2024 |
| 10 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 83.80K | 1.68M | Jun 30, 2026 |
| 11 | STATE STREET CORP | 93751 | 77.79K | 1.56M | Jun 30, 2026 |
| 12 | OPPENHEIMER & CLOSE, LLC | 1591377 | 61.01K | 1.23M | Jun 30, 2026 |
| 13 | NORTHERN TRUST CORP | 73124 | 57.21K | 1.15M | Jun 30, 2026 |
| 14 | MALTESE CAPITAL MANAGEMENT LLC | 1040762 | 55.20K | 1.11M | Jun 30, 2026 |
| 15 | COVALENT PARTNERS LLC | 1531611 | 50K | 836.50K | Mar 31, 2026 |
| 16 | MINERVA ADVISORS LLC | 1541536 | 49.94K | 1M | Jun 30, 2026 |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 49.70K | 998.02K | Jun 30, 2026 |
| 18 | VANGUARD FIDUCIARY TRUST CO | 933478 | 48.96K | 983.06K | Jun 30, 2026 |
| 19 | MORGAN STANLEY | 895421 | 48.45K | 972.82K | Jun 30, 2026 |
| 20 | MILLENNIUM MANAGEMENT LLC | 1273087 | 46.80K | 709.02K | Mar 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.