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GASS · NASDAQ · Marine Shipping

StealthGas (GASS)

Owns and charters a fleet serving international liquefied petroleum gas shipping.

$9.00
vs last close−0.09 (−0.99%)

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13F · 13D/G · Form 4

Institutions37.77%14.04M ADS
72 holders · as of Jun 30, 2026
Insiders35.24%13.11M ADS
4 holders · as of Sep 18, 2026
Other26.99%10.04M ADS
remainder

37.19M ADS as of Sep 2, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

The share count is from the company's Dec 2022 annual report; nothing newer is on file here.

13F · 13D/G · Form 4

HolderStakeSharesDate
Harry Vafias1,2Insiderdirector, officer: CEO, President & CFO
34.82%12.41M ordinaryfiled Sep 18, 2026
Glendon Capital Management L.P.Institution
13.02%4.84Mfiled Nov 12, 2025
Glendon Capital Management LPInstitution
12.41%4.61M ADSas of Jun 30, 2026
Towerview LLCInstitution
7.26%2.70M ADSas of Jun 30, 2026
Boston PartnersInstitution
5.48%2.04Mfiled Feb 13, 2018
Renaissance Technologies LLCInstitution
5.26%1.96M ADSas of Jun 30, 2026
Acadian Asset Management LLCInstitution
3.23%1.20M ADSas of Jun 30, 2026
Arrowstreet Capital, Limited PartnershipInstitution
1.46%541,841 ADSas of Jun 30, 2026
Two Sigma Investments, LPInstitution
1.07%396,581 ADSas of Jun 30, 2026
Morgan StanleyInstitution
0.87%323,865 ADSas of Jun 30, 2026
Qube Research & Technologies LtdInstitution
0.64%239,469 ADSas of Jun 30, 2026
Marshall Wace, LLPInstitution
0.54%200,307 ADSas of Jun 30, 2026
Millennium Management LLCInstitution
0.43%158,984 ADSas of Jun 30, 2026
Janney Montgomery Scott LLCInstitution
0.42%154,491 ADSas of Jun 30, 2026
Citadel Advisors LLCInstitution
0.23%83,792 ADSas of Jun 30, 2026
Susquehanna International Group, LLPInstitution
0.22%83,304 ADSas of Jun 30, 2026
Point72 Asset Management, L.P.Institution
0.21%79,485 ADSas of Jun 30, 2026
Kestra Advisory Services, LLCInstitution
0.21%78,700 ADSas of Jun 30, 2026
Gsa Capital Partners LLPInstitution
0.21%76,904 ADSas of Jun 30, 2026
Jane Street Group, LLCInstitution
0.20%72,884 ADSas of Jun 30, 2026
Centiva Capital, LPInstitution
0.19%70,569 ADSas of Jun 30, 2026
Universal- Beteiligungs- Und Servicegesellschaft MBHInstitution
0.17%64,557 ADSas of Jun 30, 2026
Newedge Advisors, LLCInstitution
0.17%62,191 ADSas of Jun 30, 2026
Markos DrakosInsiderdirector
0.16%59,714 ordinaryfiled Mar 18, 2026
Michael JolliffeInsiderdirector
0.15%54,500 ordinaryfiled Sep 16, 2026
  1. Harry Vafias's transaction reports restate only vehicles that traded; the 2026 ownership statement (12.41M) plus the 537.1K net shares acquired since is used instead.
  2. Harry Vafias reports a block also reported by Glendon Capital Management L.P.; it is counted once, under Glendon Capital Management L.P.

13F, as of Jun 30, 2026

72 holders · 14.04M shares · 9 new positions · 29 increased · 22 reduced · 10 closed

HolderShares% outstandingChg q/qFiled
Glendon Capital Management LP4.61M12.41%−126.5KAug 12, 2026
Towerview LLC2.70M7.26%+9.0KAug 4, 2026
Renaissance Technologies LLC1.96M5.26%−77.4KAug 13, 2026
Acadian Asset Management LLC1.20M3.23%+77.4KAug 13, 2026
Arrowstreet Capital, Limited Partnership541.8K1.46%+27.0KAug 13, 2026
Two Sigma Investments, LP396.6K1.07%−27.9KAug 14, 2026
Morgan Stanley323.9K0.87%+24.4KAug 13, 2026
Qube Research & Technologies Ltd239.5K0.64%+81.8KAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Harry N. Vafiasincl. Flawless Management Inc., Arethusa Properties LTD32.70%12.41M13DFeb 25, 2026
Glendon Capital Management L.P.13.52%4.84M13GNov 12, 2025
TowerView LLCincl. Daniel R. Tisch7.30%2.70M13DJul 10, 2026
Renaissance Technologies LLC5.02%1.85M13GAug 13, 2025

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Sep 15, 2026
Michael Jolliffedirector
Sale36,200$9.2554,500
Sep 14, 2026
Michael Jolliffedirector
Sale1,300$9.2190,700

House and Senate disclosures

Not reported.