Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2023 to Q4 2025

Type / Class
Equity / Common Stock, $0.01 par value per share
Symbol
IMPP on Nasdaq
Shares outstanding
64,114,103
Price per share
$3.46
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
15,576,034
Total reported value
$56,378,974
% of total 13F portfolios
0%
Share change
+5,632,892
Value change
+$20,233,501
Number of holders
50
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Flawless Management Inc. 30% -20% $78,309,641 +$2,049,509 13,205,673 +2.7% Harry N. Vafias 01 Dec 2025
Anson Funds Management LP 6.8% $16,349,096 4,359,759 Anson Funds Management LP 31 Dec 2025
Empery Asset Management, LP 7.1% $11,522,283 3,182,951 Empery Asset Management, LP 31 Dec 2025
WEXFORD CAPITAL LP 4.8% -18% $5,600,614 -$392,227 1,681,866 -6.5% WEXFORD CAPITAL LP 24 Sep 2025

As of 31 Dec 2025, 50 institutional investors reported holding 15,576,034 shares of Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP). This represents 24% of the company’s total 64,114,103 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP) together control 24% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Anson Funds Management LP 6.8% 4,359,759 2.2% $15,782,328
Empery Asset Management, LP 5% 3,182,951 0% 10% $11,522,283
Deuterium Capital Management, LLC 2.5% 1,599,086 -0.17% 8.4% $5,788,691
ACADIAN ASSET MANAGEMENT LLC 1.8% 1,173,858 +90% 0.01% $4,244,000
WEXFORD CAPITAL LP 1.8% 1,129,717 -29% 1.1% $4,089,580
PEAK6 LLC 0.89% 573,278 +1555% 0.06% $2,075,266
UBS Group AG 0.63% 403,747 +1945% 0% $1,461,564
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.61% 392,282 -17% 0% $1,420,061
GROUP ONE TRADING LLC 0.4% 256,561 -11% 0.03% $928,751
JANE STREET GROUP, LLC 0.4% 253,978 +3.7% 0% $919,400
Susquehanna Portfolio Strategies, LLC 0.39% 253,170 0.01% $916,475
RENAISSANCE TECHNOLOGIES LLC 0.37% 234,344 +4.8% 0% $848,325
TOWERVIEW LLC 0.31% 200,000 -29% 0.53% $724,000
Squarepoint Ops LLC 0.31% 198,144 0% $717,281
MILLENNIUM MANAGEMENT LLC 0.31% 195,609 0% $708,105
SIMPLEX TRADING, LLC 0.27% 173,506 -32% 0.02% $628,091
Empowered Funds, LLC 0.21% 137,670 0.01% $498,365
Jump Financial, LLC 0.15% 97,537 +164% 0% $353,083
MORGAN STANLEY 0.12% 74,371 +30% 0% $269,223
Point72 Asset Management, L.P. 0.12% 74,172 0% $268,503
BNP PARIBAS FINANCIAL MARKETS 0.1% 66,593 0% 0% $241,067
CITADEL ADVISORS LLC 0.1% 62,721 -65% 0% $227,050
Allegheny Financial Group 0.09% 58,052 -31% 0.03% $210,148
GOLDMAN SACHS GROUP INC 0.06% 38,126 -75% 0% $138,016
PharVision Advisers, LLC 0.05% 30,876 0.06% $111,771

Institutional Holders of Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 15,576,034 $56,378,974 +$20,233,501 $3.62 50
2025 Q3 6,727,563 $32,051,254 +$6,958,374 $4.78 31
2025 Q2 5,274,750 $16,245,456 -$2,176,881 $3.08 25
2025 Q1 5,996,216 $14,689,023 +$1,759,395 $2.45 25
2024 Q4 5,266,931 $15,851,921 +$380,314 $3.01 28
2024 Q3 5,063,570 $21,005,892 +$11,172,761 $4.15 25
2024 Q2 2,383,767 $9,236,600 +$4,748,607 $3.88 26
2024 Q1 1,161,911 $3,639,927 +$49,127 $3.13 19
2023 Q4 1,179,778 $3,112,656 -$1,835,223 $2.64 21
2023 Q3 2,493,552 $3,938,376 +$3,620,885 $1.58 19
2023 Q2 150,088 $460,640 +$460,640 $3.08 14