Who owns GASS (GASS)
Which tracked institutional funds hold GASS, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See GASS company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on GASS is one-sided between 2025-Q4 and 2026-Q1: 20 added or opened and 1 trimmed or exited — on balance accumulating.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
GASS’s largest tracked holder by dollar value, Glendon Capital Management LP, sizes it at 5.4% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 5.4pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in GASS divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 70 tracked filers holding GASS, 38 increased or opened the position and 23 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in GASS between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 1
- Centiva Capital, LP$684K
Full exits 1
- TWO SIGMA ADVISERS, LP$2M
Largest adds
- Glendon Capital Management LP$10M
- RENAISSANCE TECHNOLOGIES LLC$5M
- TOWERVIEW LLC$3M
- ACADIAN ASSET MANAGEMENT LLC$2M
- TWO SIGMA INVESTMENTS, LP$2M
- MORGAN STANLEY$2M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Glendon Capital Management LP | 4,739,902 | $44M | 32.1% | 2026-Q1 |
| TOWERVIEW LLC trimmed | 2,690,958 | $25M | 18.2% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC added | 2,032,631 | $19M | 13.8% | 2026-Q1 |
| ACADIAN ASSET MANAGEMENT LLC trimmed | 1,121,978 | $10M | 7.6% | 2026-Q1 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added | 514,871 | $5M | 3.5% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 424,434 | $4M | 2.9% | 2026-Q1 |
| MORGAN STANLEY added | 299,483 | $3M | 2.0% | 2026-Q1 |
| UBS Group AG trimmed | 185,689 | $2M | 1.3% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC added | 178,654 | $2M | 1.2% | 2026-Q1 |
| Qube Research & Technologies Ltd added | 157,715 | $1M | 1.1% | 2026-Q1 |
| Janney Montgomery Scott LLC added | 155,140 | $1M | 1.1% | 2026-Q1 |
| MARSHALL WACE, LLP added | 146,893 | $1M | 1.0% | 2026-Q1 |
| JANE STREET GROUP, LLC added | 117,932 | $1M | 0.8% | 2026-Q1 |
| Point72 Asset Management, L.P. added | 95,203 | $874K | 0.6% | 2026-Q1 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP added | 81,126 | $745K | 0.5% | 2026-Q1 |
| Kestra Advisory Services, LLC | 78,700 | $722K | 0.5% | 2026-Q1 |
| GSA CAPITAL PARTNERS LLP added | 76,096 | $699K | 0.5% | 2026-Q1 |
| Centiva Capital, LP new | 74,491 | $684K | 0.5% | 2026-Q1 |
| Quadrature Capital Ltd added | 65,272 | $599K | 0.4% | 2026-Q1 |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 64,557 | $593K | 0.4% | 2026-Q1 |
| CITADEL ADVISORS LLC added | 61,007 | $560K | 0.4% | 2026-Q1 |
| BlackRock, Inc. added | 49,950 | $459K | 0.3% | 2026-Q1 |
| Militia Capital Management LLC new | 46,005 | $422K | 0.3% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 45,264 | $416K | 0.3% | 2026-Q1 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 41,837 | $384K | 0.3% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS added | 41,452 | $381K | 0.3% | 2026-Q1 |
| WINTON GROUP Ltd trimmed | 40,197 | $369K | 0.3% | 2026-Q1 |
| IMC-Chicago, LLC new | 38,920 | $357K | 0.3% | 2026-Q1 |
| R Squared Ltd added | 38,175 | $350K | 0.3% | 2026-Q1 |
| SIMPLEX TRADING, LLC added | 30,949 | $284K | 0.2% | 2026-Q1 |
| Sowell Financial Services LLC trimmed | 30,875 | $283K | 0.2% | 2026-Q1 |
| SEI INVESTMENTS CO | 30,311 | $278K | 0.2% | 2026-Q1 |
| Russell Investments Group, Ltd. | 29,791 | $268K | 0.2% | 2026-Q1 |
| Jump Financial, LLC trimmed | 28,652 | $263K | 0.2% | 2026-Q1 |
| STATE STREET CORP trimmed | 27,840 | $256K | 0.2% | 2026-Q1 |
| GROUP ONE TRADING LLC added | 26,845 | $246K | 0.2% | 2026-Q1 |
| Mraz, Amerine & Associates, Inc. | 26,500 | $243K | 0.2% | 2026-Q1 |
| Oceanic Investment Management LTD new | 26,173 | $240K | 0.2% | 2026-Q1 |
| AXQ CAPITAL, LP new | 25,971 | $238K | 0.2% | 2026-Q1 |
| DGS Capital Management, LLC trimmed | 25,767 | $237K | 0.2% | 2026-Q1 |
| EXCHANGE TRADED CONCEPTS, LLC new | 25,123 | $231K | 0.2% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 24,192 | $222K | 0.2% | 2026-Q1 |
| Squarepoint Ops LLC added | 23,698 | $218K | 0.2% | 2026-Q1 |
| OPPENHEIMER & CO INC trimmed | 21,000 | $193K | 0.1% | 2026-Q1 |
| XTX Topco Ltd added | 16,020 | $147K | 0.1% | 2026-Q1 |
| IHT Wealth Management, LLC | 16,000 | $147K | 0.1% | 2026-Q1 |
| HSBC HOLDINGS PLC trimmed | 15,843 | $145K | 0.1% | 2026-Q1 |
| Graham Capital Management, L.P. new | 15,683 | $144K | 0.1% | 2026-Q1 |
| Vestmark Advisory Solutions, Inc. trimmed | 14,609 | $134K | 0.1% | 2026-Q1 |
| SG Americas Securities, LLC new | 14,362 | $132K | 0.1% | 2026-Q1 |
| Cambridge Investment Research Advisors, Inc. new | 14,331 | $132K | 0.1% | 2026-Q1 |
| JPMORGAN CHASE & CO added | 13,408 | $121K | 0.1% | 2026-Q1 |
| Focus Partners Wealth new | 12,840 | $118K | 0.1% | 2026-Q1 |
| Virtu Financial LLC added | 12,504 | $115K | 0.1% | 2026-Q1 |
| Nipun Capital, L.P. trimmed | 11,455 | $105K | 0.1% | 2026-Q1 |
| NEW YORK STATE COMMON RETIREMENT FUND | 11,400 | $105K | 0.1% | 2026-Q1 |
| BOOTHBAY FUND MANAGEMENT, LLC new | 11,253 | $103K | 0.1% | 2026-Q1 |
| LAZARD ASSET MANAGEMENT LLC trimmed | 10,574 | $97K | 0.1% | 2026-Q1 |
| Sequoia Financial Advisors, LLC | 10,000 | $92K | 0.1% | 2026-Q1 |
| BARCLAYS PLC trimmed | 6,853 | $63K | 0.0% | 2026-Q1 |
| Pinnacle Holdings, LLC trimmed | 5,849 | $54K | 0.0% | 2026-Q1 |
| ROYAL BANK OF CANADA added | 5,238 | $49K | 0.0% | 2026-Q1 |
| LOM Asset Management Ltd | 5,000 | $46K | 0.0% | 2026-Q1 |
| WELLS FARGO & COMPANY/MN trimmed | 4,426 | $41K | 0.0% | 2026-Q1 |
| VSM Wealth Advisory, LLC | 1,000 | $9K | 0.0% | 2026-Q1 |
| OSAIC HOLDINGS, INC. trimmed | 450 | $4K | 0.0% | 2026-Q1 |
| TD Waterhouse Canada Inc. trimmed | 100 | $933 | 0.0% | 2026-Q1 |
| SBI Securities Co., Ltd. | 47 | $431 | 0.0% | 2026-Q1 |
| Glen Eagle Advisors, LLC | 24 | $220 | 0.0% | 2026-Q1 |
| Archer Investment Corp | 10 | $92 | 0.0% | 2026-Q1 |
| TWO SIGMA ADVISERS, LP trimmed | 276,300 | $2M | 1.4% | 2025-Q4 stale |
| NAVELLIER & ASSOCIATES INC added | 82,572 | $453K | 0.3% | 2025-Q1 stale |
| Cubist Systematic Strategies, LLC added | 63,484 | $416K | 0.3% | 2025-Q3 stale |
| NewEdge Advisors, LLC added | 47,706 | $335K | 0.2% | 2025-Q4 stale |
| LPL Financial LLC new | 39,483 | $259K | 0.2% | 2025-Q3 stale |
| Invesco Ltd. trimmed | 24,946 | $163K | 0.1% | 2025-Q3 stale |
| KINGSWOOD WEALTH ADVISORS, LLC | 21,000 | $135K | 0.1% | 2025-Q2 stale |
| Inspire Advisors, LLC trimmed | 11,833 | $83K | 0.1% | 2025-Q4 stale |
| Atria Wealth Solutions, Inc. | 14,000 | $79K | 0.1% | 2025-Q1 stale |
| WOLVERINE TRADING, LLC trimmed | 12,401 | $72K | 0.1% | 2025-Q1 stale |
| PDT Partners, LLC trimmed | 12,236 | $69K | 0.1% | 2025-Q1 stale |
| BANK OF AMERICA CORP /DE/ trimmed | 2,049 | $14K | 0.0% | 2025-Q4 stale |
| Tower Research Capital LLC (TRC) trimmed | 1,070 | $7K | 0.0% | 2025-Q2 stale |
| Luminist Capital LLC new | 400 | $3K | 0.0% | 2025-Q4 stale |
| Perritt Capital Management Inc | 272 | $2K | 0.0% | 2025-Q3 stale |
| AMERICAN NATIONAL BANK & TRUST | 200 | $1K | 0.0% | 2025-Q3 stale |
| Federation des caisses Desjardins du Quebec trimmed | 150 | $962 | 0.0% | 2025-Q2 stale |
| PRINCIPAL SECURITIES, INC. | 27 | $177 | 0.0% | 2025-Q3 stale |
| CITIGROUP INC new | 1 | $7 | 0.0% | 2025-Q4 stale |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | — | 0.0% | 2025-Q2 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.