13F reference 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 Q3 2026
Institutions Reporting
59
Shares (Excl. Options)
12.78M
Full value: 12,780,217 · shares · 30 Jun 2026Price
$4.61
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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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
- $5.11
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
Filing notes and source
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 to
$56.16M
Full value: $56,157,437 · USD · 31 Mar 2026.$58.96M
Full value: $58,962,358 · USD · 30 Jun 2026
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
13F reference 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
shares of
Imperial Petroleum Inc./Marshall Islands - Common Stock, $0.01 par value per share (IMPP).
This represents
29%
of the company’s total
outstanding shares.
12.78M
Full value: 12,780,217 · shares · 30 Jun 202643.9M
Full value: 43,902,500 · shares · Stored outstanding share count13F 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
14
Headline period
Q2 2026
Rows shown
1-14 of 14
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 437,975 | $2,238,053 | +$153,949 | $5.11 | 5 |
| 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 |