Among active 13F managers last quarter, 5 opened and 14 added, while 7 reduced; the largest holder to move was Towerview LLC (+0.3%). Over the last 180 days, 1 insider sold and none bought, a net -$347K in open-market trades.
The legs disagree, or only one of them leans.
63 tracked 13F filers disclose a position in GASS as of the latest SEC 13F filings, a combined $70.5M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Towerview LLC | 2.7M | $21.3M | ▲+0.3% Added · +9K sh | Q2 2026 | |
| 2 | Renaissance Technologies LLC | 2.0M | $18.7M | ▲+0.8% Added · +17K sh | Q1 2026 | |
| 3 | Arrowstreet Capital, Limited Partnership | 515K | $4.7M | ▲+2.4% Added · +12K sh | Q1 2026 | |
| 4 | Two Sigma Investments, LP | 424K | $3.9M | ▲+93% Added · +205K sh | Q1 2026 | |
| 5 | Morgan Stanley | 299K | $2.7M | ▲+89% Added · +141K sh | Q1 2026 | |
| 6 | UBS Group AG | 186K | $1.7M | ▼−5.1% Reduced · −10K sh | Q1 2026 | |
| 7 | Millennium Management LLC | 179K | $1.6M | ▲+26% Added · +37K sh | Q1 2026 | |
| 8 | Qube Research & Technologies Ltd | 158K | $1.4M | ▲+28% Added · +35K sh | Q1 2026 | |
| 9 | Marshall Wace, LLP | 148K | $1.4M | ▲+43% Added · +45K sh | Q1 2026 | |
| 10 | Jane Street Group, LLC | 118K | $1.1M | ▲11× Added · +107K sh | Q1 2026 | |
| 11 | Citadel Advisors LLC | 84K | $662K | ▲+37% Added · +23K sh | Q2 2026 | |
| 12 | Susquehanna International Group, LLP | 81K | $745K | ▲+87% Added · +38K sh | Q1 2026 | |
| 13 | Point72 Asset Management, L.P. | 79K | $628K | ▼−17% Reduced · −16K sh | Q2 2026 | |
| 14 | Kestra Advisory Services, LLC | 79K | $622K | —Held | Q2 2026 | |
| 15 | Centiva Capital, LP | 71K | $557K | ▼−5.3% Reduced · −4K sh | Q2 2026 | |
| 16 | Universal- Beteiligungs- und Servicegesellschaft mbH | 65K | $510K | —Held | Q2 2026 | |
| 17 | NewEdge Advisors, LLC | 62K | $491K | ▲+24% Added · +12K sh | Q2 2026 | |
| 18 | BlackRock, Inc. | 50K | $397K | ▲+0.5% Added · +254 sh | Q2 2026 | |
| 19 | Militia Capital Management LLC | 46K | $363K | —Held | Q2 2026 | |
| 20 | Goldman Sachs Group Inc | 45K | $416K | ▲+5.8% Added · +2K sh | Q1 2026 | |
| 21 | Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 42K | $384K | —Held | Q1 2026 | |
| 22 | Winton Group Ltd | 42K | $329K | ▲+3.7% Added · +1K sh | Q2 2026 | |
| 23 | BNP Paribas Financial Markets | 41K | $381K | ▲New +41K sh | Q1 2026 | |
| 24 | Boothbay Fund Management, LLC | 41K | $321K | ▲+261% Added · +29K sh | Q2 2026 | |
| 25 | IMC-Chicago, LLC | 39K | $357K | ▲New +39K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 5 funds opened a new position in GASS and 14 added to an existing one, while 7 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 31 funds | $32.1B |
| McKesson CorpMCK | 30 funds | $2.7B |
| Microsoft CorpMSFT | 29 funds | $26.5B |
| Amazon.com IncAMZN | 29 funds | $24.5B |
| Broadcom IncAVGO | 29 funds | $16.3B |
| Micron Technology IncMU | 29 funds | $8.2B |
| Applied Materials IncAMAT | 29 funds | $4.1B |
| Cme Group IncCME | 29 funds | $2.6B |
| Wells Fargo & CoWFC | 29 funds | $2.4B |
| 3M CoMMM | 29 funds | $1.5B |
| Alphabet Inc-CL AGOOGL | 28 funds | $17.4B |
| Meta Platforms Inc-Class AMETA | 28 funds | $8.7B |
Ranked by how many of GASS's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in GASS.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 15, 2026 | Jolliffe Michael | Director | Sell (S) | 36K | $335K |
| Sep 14, 2026 | Jolliffe Michael | Director | Sell (S) | 1K | $12K |
| Jul 1, 2019 | Glendon Opportunities Fund, L.P. | 10% Owner | Buy (P) | 39K | $137K |
| Jun 28, 2019 | Glendon Opportunities Fund, L.P. | 10% Owner | Buy (P) | 7K | $22K |
| Jun 27, 2019 | Glendon Opportunities Fund, L.P. | 10% Owner | Buy (P) | 50K | $168K |
| Mar 19, 2019 | Glendon Capital Management LP | 10% Owner | Buy (P) | 422K | $1.4M |
| Mar 15, 2019 | Glendon Capital Management LP | 10% Owner | Buy (P) | 5K | $15K |
| Mar 14, 2019 | Glendon Capital Management LP | 10% Owner | Buy (P) | 3K | $10K |
| Mar 13, 2019 | Glendon Opportunities Fund, L.P. | 10% Owner | Buy (P) | 18K | $56K |
| Mar 11, 2019 | Glendon Opportunities Fund, L.P. | 10% Owner | Buy (P) | 2K | $6K |
| Mar 8, 2019 | Glendon Opportunities Fund, L.P. | 10% Owner | Buy (P) | 2K | $7K |
| Mar 7, 2019 | Glendon Opportunities Fund, L.P. | 10% Owner | Buy (P) | 4K | $11K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 23 | 15 | – |
Insiders Form 4 open-market | 0 | 1 | -$347K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for GASS
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/GASS/capital-change-brief"
Use Arkolith's capital_change_brief for GASS. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GASS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.