GASS Institutional Ownership & Shareholders
STEALTHGAS INC (GASS) is currently held by 69 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $111.37M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Glendon Capital Management Lp is currently the largest disclosed institutional shareholder of GASS tracked by InsiderSet, reporting ownership valued at approximately $36.45M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $38.11M, representing an estimated gain of +4.56% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 87% of the total disclosed GASS value among the investors covered in this analysis. Major shareholders include Glendon Capital Management Lp, Towerview Llc, Renaissance Technologies LLC, and several other long-term asset managers with concentrated positions in STEALTHGAS INC (GASS).
This page ranks the largest institutional GASS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
69
Total Reported Value
$111.37M
Largest Holder
Glendon Capital Management Lp
Largest Position
$36.45M
Insider Transactions (90d)
4
Latest Filing Quarter
Q2 2026
New Institutional Positions
86
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Glendon Capital Management Lp | 4.72% | 4,613,384 | $36,445,734 | $38,106,552 | +$1,660,818 | +4.56% | |
| Towerview Llc | 13.99% | 2,700,000 | $21,330,000 | $22,302,000 | +$972,000 | +4.56% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 1,955,231 | $15,446,325 | $16,150,208 | +$703,883 | +4.56% |
| Acadian Asset Management Llc | 0.01% | 1,199,426 | $9,451,000 | $9,907,259 | +$456,259 | +4.83% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 541,841 | $4,280,544 | $4,475,607 | +$195,063 | +4.56% | |
| Two Sigma Investments, Lp | 0.00% | 396,581 | $3,132,990 | $3,275,759 | +$142,769 | +4.56% | |
| Morgan Stanley | 0.00% | 323,865 | $2,558,536 | $2,675,125 | +$116,589 | +4.56% | |
| Qube Research & Technologies Ltd | 0.00% | 239,469 | $1,891,805 | $1,978,014 | +$86,209 | +4.56% | |
| Marshall Wace, Llp | 0.00% | 200,307 | $1,582,427 | $1,654,536 | +$72,109 | +4.56% | |
| Millennium Management Llc | 0.00% | 158,984 | $1,255,974 | $1,313,208 | +$57,234 | +4.56% | |
| Janney Montgomery Scott Llc | 0.00% | 154,491 | $1,220,000 | $1,276,096 | +$56,096 | +4.60% | |
| Citadel Advisors Llc | 0.00% | 83,792 | $661,957 | $692,122 | +$30,165 | +4.56% | |
| Susquehanna International Group, Llp | 0.00% | 83,304 | $658,102 | $688,091 | +$29,989 | +4.56% | |
| Point72 Asset Management, L.P. | 0.00% | 79,485 | $627,932 | $656,546 | +$28,614 | +4.56% | |
| Kestra Advisory Services, Llc | 0.00% | 78,700 | $621,730 | $650,062 | +$28,332 | +4.56% | |
| Gsa Capital Partners Llp | 0.04% | 76,904 | $608,000 | $635,227 | +$27,227 | +4.48% | |
| Jane Street Group, Llc | 0.00% | 72,884 | $575,783 | $602,022 | +$26,239 | +4.56% | |
| Centiva Capital, Lp | 0.02% | 70,569 | $557,495 | $582,900 | +$25,405 | +4.56% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.00% | 64,557 | $510,000 | $533,241 | +$23,241 | +4.56% | |
| Newedge Advisors, Llc | 0.00% | 62,191 | $491,311 | $513,698 | +$22,387 | +4.56% | |
| Blackrock, Inc. | 0.00% | 50,204 | $396,611 | $414,685 | +$18,074 | +4.56% | |
| Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 0.00% | 50,138 | $396,090 | $414,140 | +$18,050 | +4.56% | |
| Ubs Group Ag | 0.00% | 49,260 | $389,154 | $406,888 | +$17,734 | +4.56% | |
| Militia Capital Management Llc | 0.07% | 46,005 | $363,440 | $380,001 | +$16,561 | +4.56% | |
| Goldman Sachs Group Inc | 0.00% | 42,861 | $338,602 | $354,032 | +$15,430 | +4.56% | |
| Winton Group Ltd | 0.01% | 41,680 | $329,272 | $344,277 | +$15,005 | +4.56% | |
| Boothbay Fund Management, Llc | 0.01% | 40,650 | $321,135 | $335,769 | +$14,634 | +4.56% | |
| Bnp Paribas Financial Markets | 0.00% | 40,180 | $317,422 | $331,887 | +$14,465 | +4.56% | |
| R Squared Ltd | 0.16% | 37,847 | $298,991 | $312,616 | +$13,625 | +4.56% | |
| Sowell Financial Services Llc | 0.01% | 28,875 | $259,298 | $238,508 | -$20,791 | -8.02% | |
| Exchange Traded Concepts, Llc | 0.00% | 28,710 | $257,816 | $237,145 | -$20,671 | -8.02% | |
| Sei Investments Co | 0.00% | 30,311 | $239,457 | $250,369 | +$10,912 | +4.56% | |
| Russell Investments Group, Ltd. | 0.00% | 29,791 | $238,587 | $246,074 | +$7,487 | +3.14% | |
| Mraz, Amerine & Associates, Inc. | 0.04% | 26,500 | $237,970 | $218,890 | -$19,080 | -8.02% | |
| Dgs Capital Management, Llc | 0.04% | 25,767 | $236,541 | $212,835 | -$23,706 | -10.02% | |
| State Street Corp | 0.00% | 25,936 | $204,894 | $214,231 | +$9,337 | +4.56% | |
| Oppenheimer & Co Inc | 0.00% | 22,500 | $202,050 | $185,850 | -$16,200 | -8.02% | |
| Geode Capital Management, Llc | 0.00% | 24,192 | $191,116 | $199,826 | +$8,710 | +4.56% | |
| Focus Partners Wealth | 0.00% | 21,800 | $172,220 | $180,068 | +$7,848 | +4.56% | |
| Lpl Financial Llc | 0.00% | 17,599 | $139,032 | $145,368 | +$6,336 | +4.56% | |
| Virtu Financial Llc | 0.00% | 16,661 | $132,000 | $137,620 | +$5,620 | +4.26% | |
| Tidal Investments Llc | 0.00% | 16,413 | $129,663 | $135,571 | +$5,908 | +4.56% | |
| Iht Wealth Management, Llc | 0.00% | 16,000 | $126,400 | $132,160 | +$5,760 | +4.56% | |
| Hsbc Holdings Plc | 0.00% | 15,843 | $125,001 | $130,863 | +$5,862 | +4.69% | |
| Imc-Chicago, Llc | 0.00% | 15,713 | $124,133 | $129,789 | +$5,656 | +4.56% | |
| Vestmark Advisory Solutions, Inc. | 0.00% | 15,561 | $122,932 | $128,534 | +$5,602 | +4.56% | |
| Axq Capital, Lp | 0.01% | 15,127 | $119,503 | $124,949 | +$5,446 | +4.56% | |
| Sg Americas Securities, Llc | 0.00% | 14,806 | $117,000 | $122,298 | +$5,298 | +4.53% | |
| Jpmorgan Chase & Co | 0.00% | 12,041 | $96,448 | $99,459 | +$3,011 | +3.12% | |
| New York State Common Retirement Fund | 0.00% | 11,400 | $90,060 | $94,164 | +$4,104 | +4.56% |
Frequently asked questions about GASS
Who are the largest institutional holders of GASS?
The largest institutional holders of GASS reported in the latest SEC Form 13F filings include Glendon Capital Management Lp, Towerview Llc, Renaissance Technologies LLC, Acadian Asset Management Llc, and Arrowstreet Capital, Limited Partnership. InsiderSet ranks institutional holders by their latest reported GASS position.
What is GASS institutional ownership?
This page tracks GASS positions reported by institutional investment managers through SEC Form 13F. STEALTHGAS INC (GASS) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own GASS?
InsiderSet currently tracks 69 institutional managers reporting GASS holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of GASS shareholders.
How much GASS stock do institutions own?
Institutional investment managers disclosed approximately $111.37M in GASS holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was GASS institutional ownership last updated?
The latest GASS institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional GASS holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its GASS position after the reporting date.
Are institutions buying or selling GASS?
Institutional buying and selling can be analyzed by comparing GASS positions across consecutive 13F reporting periods. InsiderSet's GASS Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View GASS ownership changes.
How has GASS institutional ownership changed over time?
InsiderSet tracks GASS institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.