Latest Period
Q2 2026
Security Snapshot
Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP) Institutional Ownership
CUSIP: Y3894J187
13F Institutional Holders and Ownership History from Q2 2023 to Q2 2026
Institutions Reporting
59
Shares (Excl. Options)
12,780,217
Price
$4.61
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- Security type / class
- Equity / Common Stock, $0.01 par value per share
- Symbol
- IMPP on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 12,780,217
- Total 13F value
- $58,962,358
- Portfolio coverage rank
- 0%
- Share change
- -732,847
- Value change
- -$2,930,256
- Number of holders
- 59
- Shares outstanding
- 43,902,500
- SEC-reported price per share
- $4.68
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IMPP - Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share is tracked under CUSIP Y3894J187.
- 59 institutions reported positions in Q2 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 57 to 59 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $56,157,437 to $58,962,358.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 59 institutions filings for Q2 2026.
Security key
Y3894J187
Latest holder period
Q2 2026
13F holders
59
13D/G owners
4
CIK / CUSIP context first
Open Q2 2026 holders
IMPP full holder history
Imperial Petroleum Inc./Marshall Islands SEC filings
Imperial Petroleum Inc./Marshall Islands company facts
Imperial Petroleum Inc./Marshall Islands insider transactions
Imperial Petroleum Inc./Marshall Islands 13D/G history
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP Y3894J187:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
IMPP
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Flawless Management Inc. | 32% | +7.7% | $76,185,262 | +$5,666,968 | 14,266,903 | +8% | Harry N. Vafias | 22 Jun 2026 |
| Empery Asset Management, LP | 5% | -31% | $10,091,906 | -$3,880,931 | 2,298,892 | -28% | Empery Asset Management, LP | 31 Mar 2026 |
| WEXFORD CAPITAL LP | 4.8% | -18% | $5,600,614 | -$392,227 | 1,681,866 | -6.5% | WEXFORD CAPITAL LP | 24 Sep 2025 |
| Anson Funds Management LP | 3.6% | -52% | $7,728,596 | -$9,223,469 | 1,580,490 | -54% | Anson Funds Management LP | 30 Jun 2026 |
As of 30 Jun 2026, 59 institutional investors reported holding 12,780,217 shares of Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP). This represents 29% of the company’s total 43,902,500 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
27%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC | 4.2% | 1,836,743 | 0% | 0.01% | $8,460,000 |
| Anson Funds Management LP | 3.6% | 1,580,490 | -54% | 0.68% | $7,286,059 |
| Deuterium Capital Management, LLC | 1.8% | 790,000 | -4.4% | 3.9% | $3,641,900 |
| RENAISSANCE TECHNOLOGIES LLC | 1.5% | 646,545 | +18% | 0% | $2,980,572 |
| MARSHALL WACE, LLP | 1.4% | 630,497 | -22% | 0% | $2,906,591 |
| PEAK6 LLC | 1.4% | 603,098 | -20% | 0.07% | $2,780,282 |
| TWO SIGMA INVESTMENTS, LP | 1.2% | 518,832 | +387% | 0% | $2,391,816 |
| BNP PARIBAS FINANCIAL MARKETS | 1.2% | 516,471 | 0% | 0% | $2,380,931 |
| JANE STREET GROUP, LLC | 1.1% | 491,969 | +184% | 0% | $2,267,977 |
| Empowered Funds, LLC | 0.91% | 398,562 | +21% | 0.01% | $1,837,371 |
| Farther Finance Advisors, LLC | 0.91% | 397,700 | 0.01% | $1,833,397 | |
| MILLENNIUM MANAGEMENT LLC | 0.87% | 380,198 | +222% | 0% | $1,752,713 |
| JPMORGAN CHASE & CO | 0.78% | 340,332 | +547% | 0% | $1,623,384 |
| Squarepoint Ops LLC | 0.77% | 335,942 | -5.7% | 0% | $1,548,693 |
| Point72 Asset Management, L.P. | 0.71% | 310,744 | +21% | 0% | $1,432,530 |
| MORGAN STANLEY | 0.7% | 308,105 | +116% | 0% | $1,420,365 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.7% | 306,654 | -20% | 0% | $1,413,675 |
| WINTON GROUP Ltd | 0.65% | 286,133 | 0.04% | $1,319,073 | |
| Centiva Capital, LP | 0.51% | 223,973 | +49% | 0.03% | $1,032,516 |
| COMMONS CAPITAL, LLC | 0.51% | 222,624 | +214% | 0.72% | $1,026,297 |
| UBS Group AG | 0.39% | 172,661 | -17% | 0% | $795,967 |
| GSA CAPITAL PARTNERS LLP | 0.35% | 154,308 | 0.04% | $711,000 | |
| CITADEL ADVISORS LLC | 0.34% | 150,495 | -6.5% | 0% | $693,782 |
| TOWERVIEW LLC | 0.3% | 130,000 | -32% | 0.39% | $599,300 |
| SIMPLEX TRADING, LLC | 0.28% | 123,348 | +209% | 0.01% | $568,634 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
13
Latest
Q2 2026
Rows shown
1-13 of 13
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 12,780,217 | $58,962,358 | -$2,930,256 | $4.61 | 59 |
| 2026 Q1 | 13,121,118 | $56,157,437 | -$9,901,617 | $4.28 | 57 |
| 2025 Q4 | 15,577,988 | $56,386,048 | +$20,233,501 | $3.62 | 51 |
| 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 |