GASS StealthGas Inc
StealthGas Inc (GASS) Institutional Ownership
What the institutions did with GASS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| Glendon Capital Management LP | 4.6M | 32.8% |
| TOWERVIEW LLC | 2.7M | 19.2% |
| RENAISSANCE TECHNOLOGIES LLC | 2.0M | 13.9% |
| ACADIAN ASSET MANAGEMENT LLC | 1.2M | 8.5% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 541.8K | 3.9% |
| TWO SIGMA INVESTMENTS, LP | 396.6K | 2.8% |
| MORGAN STANLEY | 323.9K | 2.3% |
| Qube Research & Technologies Ltd | 239.5K | 1.7% |
| MARSHALL WACE, LLP | 200.3K | 1.4% |
| MILLENNIUM MANAGEMENT LLC | 159.0K | 1.1% |
| Janney Montgomery Scott LLC | 154.5K | 1.1% |
| CITADEL ADVISORS LLC | 83.8K | 0.6% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 83.3K | 0.6% |
| Point72 Asset Management, L.P. | 79.5K | 0.6% |
| Kestra Advisory Services, LLC | 78.7K | 0.6% |
| GSA CAPITAL PARTNERS LLP | 76.9K | 0.5% |
| JANE STREET GROUP, LLC | 72.9K | 0.5% |
| Centiva Capital, LP | 70.6K | 0.5% |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 64.6K | 0.5% |
| NewEdge Advisors, LLC | 62.2K | 0.4% |
| BlackRock, Inc. | 50.2K | 0.4% |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 50.1K | 0.4% |
| UBS Group AG | 49.3K | 0.4% |
| Militia Capital Management LLC | 46.0K | 0.3% |
| GOLDMAN SACHS GROUP INC | 42.9K | 0.3% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| UBS Group AG | Reduced | 185.7K | 49.3K | -136.4K |
| Glendon Capital Management LP | Reduced | 4.7M | 4.6M | -126.5K |
| Militia Capital Management LLC | Reduced | 138.0K | 46.0K | -92.0K |
| Qube Research & Technologies Ltd | Increased | 157.7K | 239.5K | +81.8K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 1.1M | 1.2M | +77.4K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 2.0M | 2.0M | -77.4K |
| Quadrature Capital Ltd | Sold Out | 65.3K | 0 | -65.3K |
| MARSHALL WACE, LLP | Increased | 147.9K | 200.3K | +52.4K |
| JANE STREET GROUP, LLC | Reduced | 117.9K | 72.9K | -45.0K |
| BOOTHBAY FUND MANAGEMENT, LLC | Increased | 11.3K | 40.7K | +29.4K |
| Jump Financial, LLC | Sold Out | 28.7K | 0 | -28.7K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 424.4K | 396.6K | -27.9K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 514.9K | 541.8K | +27.0K |
| SIMPLEX TRADING, LLC | Reduced | 30.9K | 4.2K | -26.8K |
| Oceanic Investment Management LTD | Sold Out | 26.2K | 0 | -26.2K |
| MORGAN STANLEY | Increased | 299.5K | 323.9K | +24.4K |
| Squarepoint Ops LLC | Sold Out | 23.7K | 0 | -23.7K |
| IMC-Chicago, LLC | Reduced | 38.9K | 15.7K | -23.2K |
| CITADEL ADVISORS LLC | Increased | 61.0K | 83.8K | +22.8K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 178.7K | 159.0K | -19.7K |
| LPL Financial LLC | New | 0 | 17.6K | +17.6K |
| Tidal Investments LLC | New | 0 | 16.4K | +16.4K |
| XTX Topco Ltd | Sold Out | 16.0K | 0 | -16.0K |
| Point72 Asset Management, L.P. | Reduced | 95.2K | 79.5K | -15.7K |
| Graham Capital Management, L.P. | Sold Out | 15.7K | 0 | -15.7K |
| GROUP ONE TRADING LLC | Reduced | 26.8K | 11.2K | -15.7K |
| Cambridge Investment Research Advisors, Inc. | Sold Out | 14.3K | 0 | -14.3K |
| NewEdge Advisors, LLC | Increased | 50.1K | 62.2K | +12.1K |
| Nipun Capital, L.P. | Sold Out | 11.5K | 0 | -11.5K |
| Naviter Wealth, LLC | New | 0 | 11.0K | +11.0K |
| AXQ CAPITAL, LP | Reduced | 26.0K | 15.1K | -10.8K |
| MANGROVE PARTNERS IM, LLC | New | 0 | 10.8K | +10.8K |
| TOWERVIEW LLC | Increased | 2.7M | 2.7M | +9.0K |
| Focus Partners Wealth | Increased | 12.8K | 21.8K | +9.0K |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | Increased | 41.8K | 50.1K | +8.3K |
| EXCHANGE TRADED CONCEPTS, LLC | Increased | 25.1K | 33.0K | +7.9K |
| Pinnacle Holdings, LLC | Sold Out | 5.8K | 0 | -5.8K |
| Virtu Financial LLC | Increased | 12.5K | 16.7K | +4.2K |
| WELLS FARGO & COMPANY/MN | Reduced | 4.4K | 276 | -4.2K |
| Centiva Capital, LP | Reduced | 74.5K | 70.6K | -3.9K |
| OPPENHEIMER & CO INC | Increased | 21.0K | 24.0K | +3.0K |
| GOLDMAN SACHS GROUP INC | Reduced | 45.3K | 42.9K | -2.4K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 81.1K | 83.3K | +2.2K |
| Sowell Financial Services LLC | Reduced | 30.9K | 28.9K | -2.0K |
| STATE STREET CORP | Reduced | 27.8K | 25.9K | -1.9K |
| WINTON GROUP Ltd | Increased | 40.2K | 41.7K | +1.5K |
| JPMORGAN CHASE & CO | Reduced | 13.4K | 12.0K | -1.4K |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | 41.5K | 40.2K | -1.3K |
| Vestmark Advisory Solutions, Inc. | Increased | 14.6K | 15.6K | +952 |
| GSA CAPITAL PARTNERS LLP | Increased | 76.1K | 76.9K | +808 |
| Janney Montgomery Scott LLC | Reduced | 155.1K | 154.5K | -649 |
| Quarry LP | New | 0 | 630 | +630 |
| SG Americas Securities, LLC | Increased | 14.4K | 14.8K | +444 |
| R Squared Ltd | Reduced | 38.2K | 37.8K | -328 |
| ROYAL BANK OF CANADA | Increased | 5.2K | 5.5K | +259 |
| BlackRock, Inc. | Increased | 50.0K | 50.2K | +254 |
| JONES FINANCIAL COMPANIES LLLP | New | 0 | 200 | +200 |
| Tower Research Capital LLC (TRC) | New | 0 | 49 | +49 |
| SBI Securities Co., Ltd. | Reduced | 47 | 2 | -45 |
| Archer Investment Corp | Increased | 10 | 20 | +10 |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.