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Imperial Petroleum Inc./Marshall Islands

IMPP
Exchange
Nasdaq
Industry
Deep Sea Foreign Transportation of Freight
SEC CIK
0001876581

No open-market purchases or sales by Imperial Petroleum Inc./Marshall Islands insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $59.0M in total; no superinvestor holds it.

Other share classesIMPPP

13F holders, Q4 2025

Institutional positions in Imperial Petroleum Inc./Marshall Islands as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
54
+20 vs. Q3 2025
Shares held
15.9M
+8.86M (+125.9%) vs. Q3 2025
Total value
$57.6M
+$24.0M (+71.6%) vs. Q3 2025
New holders
25
11 more added
Sold out
5
15 more reduced

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IMPP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 54 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 13 institutionsQ1 2022: 27 institutionsQ2 2022: 23 institutionsQ3 2022: 22 institutionsQ4 2022: 22 institutionsQ1 2023: 23 institutionsQ2 2023: 15 institutionsQ3 2023: 21 institutionsQ4 2023: 22 institutionsQ1 2024: 21 institutionsQ2 2024: 28 institutionsQ3 2024: 28 institutionsQ4 2024: 30 institutionsQ1 2025: 29 institutionsQ2 2025: 28 institutionsQ3 2025: 35 institutionsQ4 2025: 54 institutionsQ1 2026: 60 institutionsQ2 2026: 59 institutions
Value heldQ4 2025: $57.6M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $6.45MQ1 2022: $2.64MQ2 2022: $1.65MQ3 2022: $1.40MQ4 2022: $977.2KQ1 2023: $551.4KQ2 2023: $461.0KQ3 2023: $3.94MQ4 2023: $3.11MQ1 2024: $3.70MQ2 2024: $9.41MQ3 2024: $21.3MQ4 2024: $16.1MQ1 2025: $15.3MQ2 2025: $17.1MQ3 2025: $33.8MQ4 2025: $57.6MQ1 2026: $57.9MQ2 2026: $59.0M
Institutions holding IMPP and their total value by quarter
QuarterHoldersValue
Q2 202659$59.0M
Q1 202660$57.9M
Q4 202554$57.6M
Q3 202535$33.8M
Q2 202528$17.1M
Q1 202529$15.3M
Q4 202430$16.1M
Q3 202428$21.3M
Q2 202428$9.41M
Q1 202421$3.70M
Q4 202322$3.11M
Q3 202321$3.94M
Q2 202315$461.0K
Q1 202323$551.4K
Q4 202222$977.2K
Q3 202222$1.40M
Q2 202223$1.65M
Q1 202227$2.64M
Q4 202113$6.45M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Imperial Petroleum Inc./Marshall Islands; share changes are against Q3 2025.

Institutions holding IMPP in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Anson Funds Management LP4,359,759$15.8M2.19%+4,359,759New
Empery Asset Management, LP3,182,951$11.5M10.16%+3,182,951New
Deuterium Capital Management, LLC1,599,086$5.79M8.40%−2,726−0.2%Reduced
Acadian Asset Management LLC1,173,858$4.24M0.01%+555,882+90.0%Added
Wexford Capital LP1,129,717$4.09M1.05%−457,375−28.8%Reduced
PEAK6 LLC573,278$2.08M0.06%+538,631+1,554.6%Added
UBS Group AG403,747$1.46M0.00%+384,005+1,945.1%Added
Susquehanna International Group, LLP392,282$1.42M0.00%−81,767−17.2%Reduced
Group One Trading, L.P.256,561$928.8K0.03%−32,325−11.2%Reduced
Jane Street Group, LLC253,978$919.4K0.00%+8,954+3.7%Added
Susquehanna Portfolio Strategies, LLC253,170$916.5K0.01%+253,170New
Farther Finance Advisors, LLC250,071$905.3K0.01%−17,187−6.4%Reduced
Renaissance Technologies LLC234,344$848.3K0.00%+10,648+4.8%Added
Towerview LLC200,000$724.0K0.53%−80,000−28.6%Reduced
Squarepoint Ops LLC198,144$717.3K0.00%+198,144New
Millennium Management LLC195,609$708.1K0.00%+195,609New
Simplex Trading, LLC173,506$628.1K0.02%−81,767−32.0%Reduced
Empowered Funds, LLC137,670$498.4K0.01%+137,670New
Jump Financial, LLC97,537$353.1K0.00%+60,595+164.0%Added
Morgan Stanley74,371$269.2K0.00%+17,202+30.1%Added
Point72 Asset Management, L.P.74,172$268.5K0.00%+74,172New
BNP Paribas Arbitrage, SA66,593$241.1K0.00%+66,593New
Citadel Advisors LLC62,721$227.1K0.00%−117,428−65.2%Reduced
Allegheny Financial Group LTD58,052$210.1K0.03%−25,601−30.6%Reduced
DGS Capital Management, LLC54,981$199.0K0.03%−11,070−16.8%Reduced
Goldman Sachs Group Inc38,126$138.0K0.00%−115,265−75.1%Reduced
PharVision Advisers, LLC30,876$111.8K0.06%+30,876New
Nipun Capital, L.P.30,300$109.7K0.05%+30,300New
Marshall Wace, LLP29,387$106.4K0.00%−103,853−77.9%Reduced
Two Sigma Investments, LP28,613$103.6K0.00%+9,810+52.2%Added
Virtu Financial LLC28,288$102.0K0.00%+28,288New
Toroso Investments, LLC27,054$97.9K0.00%+27,054New
Independent Advisor Alliance26,292$95.2K0.00%+26,292New
Engineers Gate Manager LP25,036$90.6K0.00%+25,036New
Revisor Wealth Management LLC23,370$84.5K0.02%+23,370New
Kestra Private Wealth Services, LLC22,850$82.7K0.00%+22,850New
SRS Capital Advisors, Inc.22,469$81.3K0.00%+10.0%Added
Centiva Capital, LP18,988$68.7K0.00%+18,988New
Gsa Capital Partners LLP17,233$62.0K0.01%−140,710−89.1%Reduced
Quantbot Technologies LP14,299$51.8K0.00%+14,299New
Geode Capital Management, LLC13,415$48.6K0.00%00.0%Unchanged
GK Wealth Management LLC12,606$45.6K0.03%+12,606New
Walleye Trading LLC12,567$45.5K0.00%+8,466+206.4%Added
Two Sigma Securities, LLC11,822$42.8K0.01%+11,822New
McGuire Capital Advisors Inc6,983$25.3K0.02%+6,983New
Wells Fargo & Company2,769$10.0K0.00%+2,769New
Quarry LP2,341$8.47K0.00%+2,341New
Merited Wealth, LLC1,954$7.07K0.01%+1,954New
Advisor Group Holdings, Inc.1,200$4.34K0.00%−17,787−93.7%Reduced
Jones Financial Companies LLLP277$1.00K0.00%+237+592.5%Added
Maryland Capital Advisors Inc.200$7240.00%+200New
SBI Securities Co., Ltd.21$760.00%−4−16.0%Reduced
Clearstead Advisors, LLC13$480.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC2$80.00%00.0%Unchanged
Mercer Global Advisors Inc0$00.00%−160,000−100.0%Sold out
Petrus Trust Company, LTA0$00.00%−22,871−100.0%Sold out
Empirical Finance, LLC0$00.00%−15,383−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−2,291−100.0%Sold out
Advisory Services Network, LLC0$00.00%−39−100.0%Sold out
Cubist Systematic Strategies, LLC––––Not filed