ECB Bancorp ECBK Institutional Ownership

NASDAQ ECBK

$20.62 +0.21 (+1.03%)

At close: Sep 9, 2026 · 4:00 PM EDT

Institutions by Trading Activity

63 Institutions

Increased 32 50.8%

Unchanged 17 27.0%

Reduced 14 22.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

32.67%

▼-0.42 pp QoQ

Shares Held by Institutions

2.61Mn

of 8.00Mn outstanding

▲+1.54% QoQ

Shares Outstanding

8.00Mn

5.39Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+4 vs prior quarter

Net Shares Added (QoQ)

+39.71K

accumulated since last quarter

Value of Holdings

$54.24Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

ECB Bancorp, Inc. /MD/ (NASDAQ:ECBK) has 63 institutional investors that have filed 13F reports for the period ending June 2026.

Their combined ownership stood at 32.7% of outstanding shares in June 2026, down from 33.1% in March 2026.
Their total shares held in ECBK increased 1.54% from the prior quarter, while the number of investors in ECB Bancorp increased 57.5% year over year.
Of these 63 holders, 32 added to their stakes in ECB Bancorp, 14 trimmed positions, and 17 made no changes.
The aggregate institutional position in ECB Bancorp amounted to 2.61Mn shares as of June 2026, up by 39.71K shares quarter on quarter, and down 41.82K shares year over year.
As of June 30, 2026, ALLIANCEBERNSTEIN L.P. held the largest stake in ECB Bancorp with 754.43K shares, accounting for 9.43% of total shares outstanding.
The biggest buyers of ECB Bancorp for the quarter ending June 2026 included BlackRock, Inc. (23.74K), Sixth Street Partners Management Company, L.P. (22.26K), GEODE CAPITAL MANAGEMENT, LLC (21.42K), Nuveen, LLC (16.9K), AQR CAPITAL MANAGEMENT LLC (13.76K).
Leading sellers of ECB Bancorp shares for the quarter ending June 2026 were VANGUARD CAPITAL MANAGEMENT LLC (45.98K), ALLIANCEBERNSTEIN L.P. (32.85K), UBS Group AG (7.59K), Northern Trust Corp (6.19K), RENAISSANCE TECHNOLOGIES LLC (4.07K).
ECB Bancorp's 10 largest shareholders as of June 2026 include ALLIANCEBERNSTEIN L.P. (754.43K), BlackRock, Inc. (418.39K), VANGUARD CAPITAL MANAGEMENT LLC (337.94K), GEODE CAPITAL MANAGEMENT, LLC (175.66K), Sachetta, LLC (118.85K), RENAISSANCE TECHNOLOGIES LLC (83.8K), State Street Corp (77.79K), Oppenheimer & Close, LLC (61.01K), Northern Trust Corp (57.21K), MALTESE CAPITAL MANAGEMENT LLC (55.2K) per Business Quant data.

Form 13F Holdings

63 Institutional Holders

Report period 30 Jun, 2026

Total shares held 2.61Mn

Of outstanding 32.67%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	ALLIANCEBERNSTEIN L.P.	0001109448	754,430	9.43%	▼32,849	-4.17%	$12.62Mn
2	BlackRock, Inc.	0002012383	418,386	5.23%	▲23,740	+6.02%	$8.40Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	337,942	4.22%	▼45,980	-11.98%	$6.79Mn
4	GEODE CAPITAL MANAGEMENT, LLC	0001214717	175,662	2.20%	▲21,415	+13.88%	$3.53Mn
5	Sachetta, LLC	0002010574	118,853	1.49%	0	0.00%	$2.39Mn
6	RENAISSANCE TECHNOLOGIES LLC	0001037389	83,800	1.05%	▼4,066	-4.63%	$1.68Mn
7	State Street Corp	0000093751	77,792	0.97%	▼1,800	-2.26%	$1.56Mn
8	Oppenheimer & Close, LLC	0001591377	61,007	0.76%	0	0.00%	$1.23Mn
9	Northern Trust Corp	0000073124	57,212	0.72%	▼6,191	-9.76%	$1.15Mn
10	MALTESE CAPITAL MANAGEMENT LLC	0001040762	55,198	0.69%	0	0.00%	$1.11Mn
11	Minerva Advisors LLC	0001541536	49,940	0.62%	0	0.00%	$1.00Mn
12	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	49,702	0.62%	▲6,449	+14.91%	$998.02K
13	VANGUARD FIDUCIARY TRUST CO	0000933478	48,957	0.61%	▲509	+1.05%	$983.06K
14	Morgan Stanley	0000895421	48,447	0.61%	▲4,587	+10.46%	$972.82K
15	HighTower Advisors, LLC	0001462245	43,005	0.54%	0	0.00%	$863.54K
16	Sixth Street Partners Management Company, L.P.	0001812095	22,256	0.28%	▲22,256	0.00%	$446.90K
16	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	22,256	0.28%	▲1,981	+9.77%	$446.90K
17	Stilwell Value LLC	0001397076	20,000	0.25%	0	0.00%	$401.60K
17	GRIMES & Co WEALTH MANAGEMENT, LLC	0001321993	20,000	0.25%	0	0.00%	$401.60K
18	Bank of New York Mellon Corp	0001390777	17,909	0.22%	▲938	+5.53%	$359.61K

Showing 1 to 20 of 63 holders