StealthGas Inc
Ownership
Ownership Structure
Who owns StealthGas Inc (GASS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 38.9% of the shares are freely tradable; institutional investors hold 39.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Glendon Capital Management LP | 12.26 | 4,613,384 | -2.7 | 06/30/2026 |
| Towerview LLC | 7.18 | 2,700,000 | +0.3 | 06/30/2026 |
| Renaissance Technologies Corp | 5.40 | 2,032,631 | +0.8 | 03/31/2026 |
| Acadian Asset Management LLC | 2.98 | 1,121,978 | +3,666.2 | 03/31/2026 |
| Arrowstreet Capital Limited Partnership | 1.37 | 514,871 | +2.4 | 03/31/2026 |
| Two Sigma Investments LLC | 1.05 | 396,581 | -6.6 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 0.80 | 299,483 | +88.9 | 03/31/2026 |
| UBS Group AG | 0.49 | 185,689 | -5.1 | 03/31/2026 |
| Millennium Management LLC | 0.42 | 158,984 | -11.0 | 06/30/2026 |
| Qube Research & Technologies | 0.42 | 157,715 | +28.4 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Vafias Harry | CEO, President & CFO | 4,818,363 | 42,883,431 $ | Sep 18, 2026 | direct |
| Jolliffe Michael | Director | 54,500 | 485,050 $ | Sep 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 18, 2026 | Vafias Harry | CEO, President & CFO | Other | 47,500 | 0.00 | – |
| Sep 16, 2026 | Vafias Harry | CEO, President & CFO | Other | 290,000 | 6.43 | 1,864,700 |
| Sep 15, 2026 | Jolliffe Michael | Director | Sell | 36,200 | 9.25 | 334,995 |
| Sep 14, 2026 | Jolliffe Michael | Director | Sell | 1,300 | 9.21 | 11,972 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 29, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.