ESEA · Euroseas Ltd.

$76.63 +0.19 (+0.25%) At close · Aug 28

Market Cap

$540.65M

7.06M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 59

Total Value: $41,703,786

Total Shares: 628,353

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 59 13F filers · Δ vs Mar 31, 2026

Top Holder

12.6%

−1.3 pts

Top 5

44.5%

−2.1 pts

Top 10

63.1%

−0.8 pts

HHI

566

Broadly held−42

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -3

Institutional value: -13.9%

Shares held: -13.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid Inspire Investing, LLC	+8,811	32,616
Mid NAVELLIER & ASSOCIATES INC	+7,575	15,562
Mega Qube Research & Technologies Ltd	+6,866	20,128
Mega JANE STREET GROUP, LLC	+4,785	19,171
Mega Boston Partners	+4,664	24,648

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large RENAISSANCE TECHNOLOGIES LLC	−35,300	65,465
Mega TWO SIGMA INVESTMENTS, LP	−16,375	67,592
Mega MILLENNIUM MANAGEMENT LLC	−14,018	8,818
Mega D. E. Shaw & Co., Inc.	−10,775	23,655
Mega GOLDMAN SACHS GROUP INC	−8,575	29,136

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega CITADEL ADVISORS LLC	13,172	$874,225
Large Balyasny Asset Management L.P.	5,179	$343,730
Mid U S GLOBAL INVESTORS INC	5,000	$331,850
Small JAMISON PRIVATE WEALTH MANAGEMENT, INC.	3,738	$248,091
Large Quadrature Capital Ltd	3,578	$237,471

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large MARSHALL WACE, LLP	24,056	$1,608,143
Large Squarepoint Ops LLC	13,429	$897,728
Large Walleye Capital LLC	10,327	$690,359
Mid Engineers Gate Manager LP	8,974	$599,911
Mid MANGROVE PARTNERS IM, LLC	5,782	$386,526

Filter: New 7 Increased 19 Reduced 19 Sold out 10 Unchanged 14

Showing 59 of 59

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

ACADIAN ASSET MANAGEMENT LLC

$5,264,003

12.62%

79,313

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	79,313	$5,264,003	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$4,486,081

10.76%

67,592

RENAISSANCE TECHNOLOGIES LLC

$4,344,912

10.42%

65,465

MORGAN STANLEY

$2,299,851

5.51%

34,652

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	29,035	$1,927,052	83.8%	Defined
MORGAN STANLEY SMITH BARNEY LLC	2,064	$136,987	6.0%	Defined
Morgan Stanley Bank, N.A.	2,525	$167,584	7.3%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	1,028	$68,228	3.0%	Defined

Inspire Investing, LLC

$2,164,723

5.19%

32,616

GOLDMAN SACHS GROUP INC

$1,933,755

4.64%

29,136

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	12,527	$831,416	43.0%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	16,609	$1,102,339	57.0%	Defined

Boston Partners

$1,635,887

3.92%

24,648

D. E. Shaw & Co., Inc.

$1,569,982

3.76%

23,655

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	23,655	$1,569,982	100.0%	Defined

Qube Research & Technologies Ltd

$1,335,895

3.20%

20,128

JANE STREET GROUP, LLC

$1,272,379

3.05%

19,171

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	2,868	$190,349	15.0%	Defined
Jane Street Global Trading, LLC	16,303	$1,082,030	85.0%	Defined

NAVELLIER & ASSOCIATES INC

$1,032,849

2.48%

15,562

North Star Investment Management Corp.

$995,550

2.39%

15,000

CREDIT AGRICOLE S A

$944,710

2.27%

14,234

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Credit Agricole Corporate & Investment Bank joint	14,234	$944,710	100.0%	Defined

RAYMOND JAMES FINANCIAL INC

$914,047

2.19%

13,772

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	344	$22,831	2.5%	Defined
Raymond James Financial Services Advisors, Inc.	13,428	$891,216	97.5%	Defined

CITADEL ADVISORS LLC

$874,225

2.10%

13,172

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	13,172	$874,225	100.0%	Defined

GSA CAPITAL PARTNERS LLP

$820,067

1.97%

12,356

Tidal Investments LLC

$757,148

1.82%

11,408

STATE STREET CORP

$743,211

1.78%

11,198

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS SINGAPORE LIMITED joint	11,198	$743,211	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$585,250

1.40%

8,818

LPL Financial LLC

$577,485

1.38%

8,701

Mariner, LLC

$533,614

1.28%

8,040

WINTON GROUP Ltd

$533,349

1.28%

8,036

CITIGROUP INC

$481,182

1.15%

7,250

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	7,250	$481,182	100.0%	Defined

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO

$422,843

1.01%

6,371

BlackRock, Inc.

$409,235

0.98%

6,166

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	5,816	$386,007	94.3%	Sole
BlackRock Institutional Trust Company, N.A.	224	$14,866	3.6%	Sole
Aperio Group, LLC	126	$8,362	2.0%	Sole

Point72 Asset Management, L.P.

$390,720

0.94%

5,887

Balyasny Asset Management L.P.

$343,730

0.82%

5,179

GEODE CAPITAL MANAGEMENT, LLC

$335,699

0.80%

5,058

U S GLOBAL INVESTORS INC

$331,850

0.80%

5,000

Jump Financial, LLC

$317,911

0.76%

4,790

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	78	$5,176	1.6%	Defined
Leap GP LLC joint	4,712	$312,735	98.4%	Defined

State of Tennessee, Department of Treasury

$276,762

0.66%

4,170

Redhawk Wealth Advisors, Inc.

$275,369

0.66%

4,149

EXCHANGE TRADED CONCEPTS, LLC

$269,395

0.65%

4,059

AlphaCore Capital LLC

$257,316

0.62%

3,877

JAMISON PRIVATE WEALTH MANAGEMENT, INC.

$248,091

0.59%

3,738

Quadrature Capital Ltd

$237,471

0.57%

3,578

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	3,578	$237,471	100.0%	Other

AMERICAN CENTURY COMPANIES INC

$220,746

0.53%

3,326

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	3,326	$220,746	100.0%	Defined

Cambridge Investment Research Advisors, Inc.

$218,689

0.52%

3,295

SEI INVESTMENTS CO

$203,224

0.49%

3,062

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	3,062	$203,224	100.0%	Sole

BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC

$196,123

0.47%

2,955

Police & Firemen's Retirement System of New Jersey

$179,199

0.43%

2,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
State Street Global Advisors	2,700	$179,199	100.0%	Defined

UBS Group AG

$123,049

0.30%

1,854

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	39	$2,588	2.1%	Defined
UBS AG	15	$995	0.8%	Defined
UBS Europe SE	1,800	$119,466	97.1%	Defined

WELLS FARGO & COMPANY/MN

$106,258

0.25%

1,601

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	1,601	$106,258	100.0%	Defined

Aquatic Capital Management LLC

$63,980

0.15%

964

BARCLAYS PLC

$39,822

0.10%

600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	600	$39,822	100.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$26,548

0.06%

400

Allworth Financial LP

$17,256

0.04%

260

Archer Investment Corp

$14,269

0.03%

215

JONES FINANCIAL COMPANIES LLLP

$12,610

0.03%

190

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	190	$12,610	100.0%	Sole

SIGNATUREFD, LLC

$11,614

0.03%

175

ROYAL BANK OF CANADA

$11,547

0.03%

174

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	134	$8,893	77.0%	Defined
RBC Dominion Securities Inc.	40	$2,654	23.0%	Defined

NewEdge Advisors, LLC

$9,623

0.02%

145

SBI Securities Co., Ltd.

$9,291

0.02%

140

Triumph Capital Management

$8,362

0.02%

126

Farther Finance Advisors, LLC

$6,504

0.02%

OSAIC HOLDINGS, INC.

$5,442

0.01%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	82	$5,442	100.0%	Defined

AMERICAN NATIONAL BANK & TRUST

$2,256

0.01%

Ameritas Advisory Services, LLC

$796

0.00%

Kingdom Financial Group LLC.

$31

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	24,056	$1,608,143	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	13,429	$897,728	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	4,472	$298,953	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Asset Management LLC joint	612	$40,912	100.0%	Other

Key facts CIK 1341170 CUSIP Y23592135 13F (30d) 48 filings 48 filers Visit website Investor relations