IMPP · Imperial Petroleum Inc./Marshall Islands

$5.20 +0.11 (+2.16%) At close · Aug 21

Market Cap

$235.11M

45.21M

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: 62

Total Value: $72,100,903

Total Shares: 15,640,117

Institutional Ownership Trend

19 quarters

Holder Concentration

Across 62 13F filers · Δ vs Mar 31, 2026

Top Holder

11.7%

−9.3 pts

Top 5

44.8%

−10.1 pts

Top 10

63.8%

−11.8 pts

HHI

577

Broadly held−300

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -1

Institutional value: +2.2%

Shares held: -5.1%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega TWO SIGMA INVESTMENTS, LP	+412,217	518,832
Mega BNP PARIBAS ARBITRAGE, SA	+391,746	516,471
Mega JANE STREET GROUP, LLC	+333,125	567,169
Mega JPMORGAN CHASE & CO	+287,692	340,332
Mega MILLENNIUM MANAGEMENT LLC	+262,045	380,198

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid Anson Funds Management LP	−1,886,190	1,580,490
Mid GROUP ONE TRADING LLC	−180,489	10,509
Large MARSHALL WACE, LLP	−176,124	630,497
Large PEAK6 LLC	−155,000	603,098
Mega CITADEL ADVISORS LLC	−124,945	347,195

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid WINTON GROUP Ltd	286,133	$1,319,073
Mid GSA CAPITAL PARTNERS LLP	154,308	$711,359
Large NewEdge Advisors, LLC	70,998	$327,300
Large Cambridge Investment Research Advisors, Inc.	56,193	$259,049
Large Focus Partners Wealth	55,704	$256,795

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Micro Empery Asset Management, LP	877,645	$3,756,320
Mid Jump Financial, LLC	153,166	$655,550
Small Headlands Technologies LLC	58,411	$249,999
Small DGS Capital Management, LLC	56,235	$240,685
Large Quadrature Capital Ltd	39,203	$167,788

Filter: New 12 Increased 26 Reduced 17 Sold out 13 Unchanged 7

Showing 70 of 70

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

ACADIAN ASSET MANAGEMENT LLC

$8,467,385

11.74%

1,836,743

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	1,836,743	$8,467,385	100.0%	Defined

Anson Funds Management LP

$7,286,058

10.11%

1,580,490

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$3,773,285

5.23%

818,500

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	818,500	$3,773,285	100.0%	Other

Deuterium Capital Management, LLC

$3,641,900

5.05%

790,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$3,121,431

4.33%

677,100

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	677,100	$3,121,431	100.0%	Other

RENAISSANCE TECHNOLOGIES LLC

$2,980,572

4.13%

646,545

MARSHALL WACE, LLP

$2,906,590

4.03%

630,497

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	630,497	$2,906,590	100.0%	Other

PEAK6 LLC

$2,780,281

3.86%

603,098

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

Manager	Shares	Value (USD)	% of position	Discretion
PEAK6 Investments LLC joint	603,098	$2,780,281	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$2,391,815

3.32%

518,832

BNP PARIBAS ARBITRAGE, SA

$2,380,931

3.30%

516,471

Caption Management, LLC

$2,305,000

3.20%

500,000

Caption Management, LLC

$2,305,000

3.20%

500,000

JANE STREET GROUP, LLC

$2,267,976

3.15%

491,969

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	299,203	$1,379,325	60.8%	Defined
Jane Street Global Trading, LLC	192,766	$888,651	39.2%	Defined

Empowered Funds, LLC

$1,837,370

2.55%

398,562

Farther Finance Advisors, LLC

$1,833,397

2.54%

397,700

MILLENNIUM MANAGEMENT LLC

$1,752,712

2.43%

380,198

JPMORGAN CHASE & CO

$1,568,930

2.18%

340,332

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	340,332	$1,568,930	100.0%	Defined

Squarepoint Ops LLC

$1,548,692

2.15%

335,942

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	335,942	$1,548,692	100.0%	Defined

Point72 Asset Management, L.P.

$1,432,529

1.99%

310,744

MORGAN STANLEY

$1,420,360

1.97%

308,105

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	14,029	$64,673	4.6%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	111,177	$512,525	36.1%	Defined
MORGAN STANLEY SMITH BARNEY LLC	150,009	$691,540	48.7%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	32,890	$151,622	10.7%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,413,674

1.96%

306,654

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	306,654	$1,413,674	100.0%	Other

WINTON GROUP Ltd

$1,319,073

1.83%

286,133

Centiva Capital, LP

$1,032,515

1.43%

223,973

COMMONS CAPITAL, LLC

$1,026,296

1.42%

222,624

UBS Group AG

$795,966

1.10%

172,661

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	39,684	$182,943	23.0%	Defined
UBS Switzerland AG	20,577	$94,859	11.9%	Defined
UBS Europe SE	112,400	$518,164	65.1%	Defined

GSA CAPITAL PARTNERS LLP

$711,359

0.99%

154,308

CITADEL ADVISORS LLC

$693,781

0.96%

150,495

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	150,495	$693,781	100.0%	Defined

TOWERVIEW LLC

$599,300

0.83%

130,000

SIMPLEX TRADING, LLC

$568,634

0.79%

123,348

Allegheny Financial Group

$517,513

0.72%

112,259

Susquehanna Portfolio Strategies, LLC

$479,029

0.66%

103,911

CITADEL ADVISORS LLC

$467,454

0.65%

101,400

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	101,400	$467,454	100.0%	Defined

CITADEL ADVISORS LLC

$439,333

0.61%

95,300

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	95,300	$439,333	100.0%	Defined

Schonfeld Strategic Advisors LLC

$380,394

0.53%

82,515

Walleye Trading LLC

$370,644

0.51%

80,400

NewEdge Advisors, LLC

$327,300

0.45%

70,998

Qube Research & Technologies Ltd

$282,261

0.39%

61,228

State of Wyoming

$263,857

0.37%

57,236

Cambridge Investment Research Advisors, Inc.

$259,049

0.36%

56,193

Focus Partners Wealth

$256,795

0.36%

55,704

Arax Advisory Partners

$207,164

0.29%

44,938

JANE STREET GROUP, LLC

$199,613

0.28%

43,300

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	43,300	$199,613	100.0%	Defined

R Squared Ltd

$175,428

0.24%

38,054

JANE STREET GROUP, LLC

$147,059

0.20%

31,900

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	31,900	$147,059	100.0%	Defined

HRT FINANCIAL LP

$129,619

0.18%

28,117

IMC-Chicago, LLC

$127,116

0.18%

27,574

Independent Advisor Alliance

$111,935

0.16%

24,281

GEODE CAPITAL MANAGEMENT, LLC

$104,771

0.15%

22,727

GOLDMAN SACHS GROUP INC

$97,690

0.14%

21,191

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	21,191	$97,690	100.0%	Defined

KESTRA PRIVATE WEALTH SERVICES, LLC

$92,891

0.13%

20,150

Cetera Investment Advisers

$76,470

0.11%

16,588

SEI INVESTMENTS CO

$67,614

0.09%

14,667

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

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	14,667	$67,614	100.0%	Sole

XTX Topco Ltd

$63,276

0.09%

13,726

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

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	13,726	$63,276	100.0%	Defined

MANGROVE PARTNERS IM, LLC

$60,049

0.08%

13,026

AXQ CAPITAL, LP

$55,006

0.08%

11,932

REGATTA CAPITAL GROUP, LLC

$51,175

0.07%

11,101

GROUP ONE TRADING LLC

$48,446

0.07%

10,509

Walleye Capital LLC

$46,100

0.06%

10,000

BlackRock, Inc.

$9,621

0.01%

2,087

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

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	2,087	$9,621	100.0%	Sole

Walleye Trading LLC

$9,220

0.01%

2,000

WELLS FARGO & COMPANY/MN

$5,057

0.01%

1,097

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	1,097	$5,057	100.0%	Defined

Quarry LP

$3,646

0.01%

791

ROYAL BANK OF CANADA

$3,480

0.00%

755

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	755	$3,480	100.0%	Defined

OSAIC HOLDINGS, INC.

$922

0.00%

200

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	200	$922	100.0%	Defined

SBI Securities Co., Ltd.

$603

0.00%

131

MCGUIRE CAPITAL ADVISORS INC

$396

0.00%

Global Retirement Partners, LLC

$59

0.00%

Caitong International Asset Management Co., Ltd

$23

0.00%

Moisand Fitzgerald Tamayo, LLC

0.00%

JONES FINANCIAL COMPANIES LLLP

0.00%

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.	1	$4	100.0%	Sole

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	1,841	$7,879	1.2%	Defined
Leap GP LLC joint	151,325	$647,671	98.8%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	39,203	$167,788	100.0%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1 joint	10,334	$44,229	100.0%	Sole

Key facts CIK 1876581 CUSIP Y3894J187 13F (30d) 59 filings 58 filers Visit website Investor relations