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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

Q3 2025 vs. Q2 2025

How the institutions holding Imperial Petroleum Inc./Marshall Islands changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of IMPP: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders2835+7
Shares5.55M7.08M+1.54M (+27.7%)
Value$17.1M$33.8M+$16.7M (+97.5%)

New holders (11)

Institutions that held Imperial Petroleum Inc./Marshall Islands at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to IMPP in Q3 2025
InstitutionSharesValue% of portfolio
Simplex Trading, LLC255,273$1.22M0.03%
Jane Street Group, LLC245,024$1.17M0.00%
Gsa Capital Partners LLP157,943$755.0K0.06%
Mercer Global Advisors Inc160,000$689.8K0.00%
Cubist Systematic Strategies, LLC40,948$195.7K0.00%
Jump Financial, LLC36,942$176.6K0.00%
Petrus Trust Company, LTA22,871$109.3K0.01%
SRS Capital Advisors, Inc.22,468$107.4K0.00%
Two Sigma Investments, LP18,803$89.9K0.00%
Tower Research Capital LLC (TRC)2,291$11.0K0.00%
Advisory Services Network, LLC39$1860.00%

Sold out (4)

Institutions that held Imperial Petroleum Inc./Marshall Islands at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of IMPP in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Squarepoint Ops LLC27,699$85.3K
Wolverine Trading, LLC26,066$80.8K
Captrust Financial Advisors17,974$55.4K
Virtu Financial LLC15,060$46.0K