ECB Bancorp, Inc.

ECBK

Exchange: Nasdaq
Industry: Savings Institutions, Not Federally Chartered
SEC CIK: 0001914605

SEC filings (opens in a new tab)

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.

Q2 2026 vs. Q1 2026

How the institutions holding ECB Bancorp, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of ECBK: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	59	2	60	+3
Shares	2.66M	50.3K	2.59M	−14.0K (−0.5%)
Value	$44.9M	$840.9K	$49.5M	+$5.40M (+12.2%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (7)

Institutions that held ECB Bancorp, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ECBK in Q2 2026
Institution	Shares	Value	% of portfolio
Nuveen, LLC	16,898	$339.3K	0.00%
AQR Capital Management LLC	13,756	$276.2K	0.00%
Citadel Advisors LLC	10,083	$202.5K	0.00%
SRS Capital Advisors, Inc.	272	$5.46K	0.00%
GAMMA Investing LLC	30	$602	0.00%
True Wealth Design, LLC	4	$81	0.00%
Rothschild Investment LLC	3	$60	0.00%

Sold out (4)

Institutions that held ECB Bancorp, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ECBK in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Goldman Sachs Group Inc	31,079	$520.0K
Advisory Services Network, LLC	81	$1.35K
MAI Capital Management	2	$34
Root Financial Partners, LLC	2	$33

Not filed for Q2 2026 yet (2)

Institutions that held ECB Bancorp, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ECBK in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Covalent Partners LLC	50,000	$836.5K
CWM, LLC	265	$4.43K