Who owns Imperial Petroleum Inc./Marshall Islands?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IMPP from SEC Form 13F filings across 59 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 59 institutions disclosed 12.8M shares of Imperial Petroleum Inc./Marshall Islands worth $59.0M — about 28.6% of shares outstanding; the largest disclosed holder is ACADIAN ASSET MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
59
13F holders
$59.0M
value, 2026 filers
28.6%
of shares outstanding (12.8M sh)
14
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of IMPP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ACADIAN ASSET MANAGEMENT LLC | 1.8M | $8.5M | 0.0% | 4.1% | 0.0% |
| 2 | Anson Funds Management LP | 1.6M | $7.3M | 0.4% | 3.5% | -54.4% |
| 3 | Deuterium Capital Management, LLC | 790,000 | $3.6M | 3.9% | 1.8% | -4.4% |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 646,545 | $3.0M | 0.0% | 1.4% | +17.7% |
| 5 | MARSHALL WACE, LLP | 630,497 | $2.9M | 0.0% | 1.4% | -21.8% |
| 6 | PEAK6 LLC | 603,098 | $2.8M | 0.0% | 1.4% | -20.4% |
| 7 | TWO SIGMA INVESTMENTS, LP | 518,832 | $2.4M | 0.0% | 1.2% | +386.6% |
| 8 | BNP PARIBAS FINANCIAL MARKETS | 516,471 | $2.4M | 0.0% | 1.2% | +314.1% |
| 9 | JANE STREET GROUP, LLC | 491,969 | $2.3M | 0.0% | 1.1% | +183.6% |
| 10 | Empowered Funds, LLC | 398,562 | $1.8M | 0.0% | 0.9% | +21.1% |
| 11 | Farther Finance Advisors, LLCNEW | 397,700 | $1.8M | 0.0% | 0.9% | new |
| 12 | MILLENNIUM MANAGEMENT LLC | 380,198 | $1.8M | 0.0% | 0.9% | +221.8% |
| 13 | JPMORGAN CHASE & CO | 340,332 | $1.6M | 0.0% | 0.8% | +546.5% |
| 14 | Squarepoint Ops LLC | 335,942 | $1.5M | 0.0% | 0.8% | -5.7% |
| 15 | Point72 Asset Management, L.P. | 310,744 | $1.4M | 0.0% | 0.7% | +21.4% |
| 16 | MORGAN STANLEY | 308,105 | $1.4M | 0.0% | 0.7% | +115.8% |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 306,654 | $1.4M | 0.0% | 0.7% | -19.5% |
| 18 | WINTON GROUP LtdNEW | 286,133 | $1.3M | 0.0% | 0.6% | new |
| 19 | Centiva Capital, LP | 223,973 | $1.0M | 0.0% | 0.5% | +48.7% |
| 20 | COMMONS CAPITAL, LLC | 222,624 | $1.0M | 0.7% | 0.5% | +213.6% |
| 21 | UBS Group AG | 172,661 | $795,967 | 0.0% | 0.4% | -16.8% |
| 22 | GSA CAPITAL PARTNERS LLPNEW | 154,308 | $711,000 | 0.0% | 0.3% | new |
| 23 | CITADEL ADVISORS LLC | 150,495 | $693,782 | 0.0% | 0.3% | -6.5% |
| 24 | TOWERVIEW LLC | 130,000 | $599,300 | 0.4% | 0.3% | -31.6% |
| 25 | SIMPLEX TRADING, LLC | 123,348 | $568,634 | 0.0% | 0.3% | +209.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.