Euroseas ESEA Institutional Ownership

NASDAQ ESEA

$68.87 +1.56 (+2.32%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

58 Institutions

Increased 27 46.6%

Unchanged 13 22.4%

Reduced 18 31.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

9.05%

▼-1.39 pp QoQ

Shares Held by Institutions

628.35K

of 6.94Mn outstanding

▼-13.30% QoQ

Shares Outstanding

6.94Mn

6.32Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-1 vs prior quarter

Net Shares Added (QoQ)

-96.40K

distributed since last quarter

Value of Holdings

$42.29Mn

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

Updated Oct 5, 2026

Euroseas Ltd. (NASDAQ:ESEA) was held by 58 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

These investors held 9.05% of Euroseas' outstanding shares at the end of Q2 2026, down from 10.44% in Q1 2026.
Total shares held in Euroseas fell 13.30% from Q1 2026, while the number of holders rose 45.00% from Q2 2025.
Looking at the 58 holders of ESEA individually, 27 added to their positions, 18 reduced their stakes and 13 left their positions unchanged.
In total, institutional investors held 628.35K shares of Euroseas at the end of Q2 2026, down 96.4K from the prior quarter and up 190.57K from a year earlier.
As of June 30, 2026, Acadian Asset Management LLC held the largest stake in Euroseas with 79.31K shares, or 1.14% of shares outstanding.
The biggest increases in ESEA positions during Q2 2026 came from Inspire Investing, LLC (+8.81K shares), Navellier & Associates Inc (+7.58K shares), Qube Research & Technologies Ltd (+6.87K shares), Jane Street Group, LLC (+4.79K shares) and Boston Partners (+4.66K shares).
Among holders that kept a stake in Euroseas, the biggest sellers in Q2 2026 were Renaissance Technologies LLC (-35.3K shares), Two Sigma Investments, LP (-16.38K shares), Millennium Management LLC (-14.02K shares), D. E. Shaw & Co., Inc. (-10.78K shares) and Goldman Sachs Group Inc (-8.57K shares).
Euroseas' 10 largest institutional shareholders as of Q2 2026 were Acadian Asset Management LLC (79.31K shares), Two Sigma Investments, LP (67.59K shares), Renaissance Technologies LLC (65.47K shares), Morgan Stanley (34.65K shares), Inspire Investing, LLC (32.62K shares), Goldman Sachs Group Inc (29.14K shares), Boston Partners (24.65K shares), D. E. Shaw & Co., Inc. (23.66K shares), Qube Research & Technologies Ltd (20.13K shares) and Jane Street Group, LLC (19.17K shares), per Business Quant data.

Form 13F Holdings

59 Institutional Holders

Report period 30 Jun, 2026

Total shares held 628.35K

Of outstanding 9.05%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	ACADIAN ASSET MANAGEMENT LLC	0000916542	79,313	1.14%	▲218	+0.28%	$5.25K
2	TWO SIGMA INVESTMENTS, LP	0001179392	67,592	0.97%	▼16,375	-19.50%	$4.49Mn
3	RENAISSANCE TECHNOLOGIES LLC	0001037389	65,465	0.94%	▼35,300	-35.03%	$4.34Mn
4	Morgan Stanley	0000895421	34,652	0.50%	▼1,979	-5.40%	$2.30Mn
5	Inspire Investing, LLC	0001670139	32,616	0.47%	▲8,811	+37.01%	$2.16Mn
6	Goldman Sachs Group Inc	0000886982	29,136	0.42%	▼8,575	-22.74%	$1.93Mn
7	Boston Partners	0001386060	24,648	0.35%	▲4,664	+23.34%	$1.64Mn
8	D. E. Shaw & Co., Inc.	0001009207	23,655	0.34%	▼10,775	-31.30%	$1.57Mn
9	Qube Research & Technologies Ltd	0001729829	20,128	0.29%	▲6,866	+51.77%	$1.34Mn
10	JANE STREET GROUP, LLC	0001595888	19,171	0.28%	▲4,785	+33.26%	$1.27Mn
11	NAVELLIER & ASSOCIATES INC	0000872163	15,562	0.22%	▲7,575	+94.84%	$1.03Mn
12	North Star Investment Management Corp.	0001342857	15,000	0.22%	0	0.00%	$995.55K
13	CREDIT AGRICOLE S A	0001191672	14,234	0.20%	0	0.00%	$944.71K
14	Raymond James Financial Inc	0000720005	13,772	0.20%	▲1,415	+11.45%	$914.05K
15	CITADEL ADVISORS LLC	0001423053	13,172	0.19%	▲13,172	0.00%	$874.23K
16	GSA CAPITAL PARTNERS LLP	0001362033	12,356	0.18%	▲2,433	+24.52%	$820
17	Tidal Investments LLC	0001600064	11,408	0.16%	▼1,118	-8.93%	$757.15K
18	State Street Corp	0000093751	11,198	0.16%	▲1,088	+10.76%	$743.21K
19	MILLENNIUM MANAGEMENT LLC	0001273087	8,818	0.13%	▼14,018	-61.39%	$585.25K
20	LPL Financial LLC	0001403438	8,701	0.13%	▼158	-1.78%	$577.45K

Showing 1 to 20 of 59 holders