Among active 13F managers last quarter, 4 opened and 31 added, while 8 reduced; the largest holder to move was 683 Capital Management, LLC (+684%). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
166 tracked 13F filers disclose a position in GOSS as of the latest SEC 13F filings, a combined $53.7M 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 | 683 Capital Management, LLC | 39.2M | $6.5M | ▲+684% Added · +34.2M sh | Q2 2026 | |
| 2 | Context Capital Management, LLC | 28.9M | $4.8M | ▲New +28.9M sh | Q2 2026 | |
| 3 | BlackRock, Inc. | 16.8M | $5.5M | ▼−1.3% Reduced · −230K sh | Q1 2026 | |
| 4 | Kalehua Capital Management LLC | 11.1M | $1.8M | ▲+8.9% Added · +913K sh | Q2 2026 | |
| 5 | AQR Capital Management LLC | 10.1M | $3.3M | ▲+805% Added · +9.0M sh | Q1 2026 | |
| 6 | Vanguard Capital Management LLC | 9.4M | $3.1M | →New filer Inherited book · not a new buyer | Q1 2026 | |
| 7 | ARCH Venture Management, LLC | 8.1M | $1.3M | —Held | Q2 2026 | |
| 8 | Octagon Capital Advisors LP | 7.8M | $2.5M | ▼−44% Reduced · −6.2M sh | Q1 2026 | |
| 9 | Samsara BioCapital, LLC | 7.2M | $2.4M | —Held | Q1 2026 | |
| 10 | Balyasny Asset Management L.P. | 5.9M | $1.9M | ▲+290% Added · +4.4M sh | Q1 2026 | |
| 11 | Siren, L.L.C. | 5.2M | $857K | —Held | Q2 2026 | |
| 12 | HHLR Advisors, LTD. | 5.0M | $1.6M | —Held | Q1 2026 | |
| 13 | Qube Research & Technologies Ltd | 4.9M | $1.6M | ▲+810% Added · +4.4M sh | Q1 2026 | |
| 14 | Two Sigma Investments, LP | 4.8M | $1.6M | ▲+41% Added · +1.4M sh | Q1 2026 | |
| 15 | Corient Private Wealth LP | 4.0M | $1.3M | ▲+3.6% Added · +139K sh | Q1 2026 | |
| 16 | Squarepoint Ops LLC | 3.4M | $1.1M | ▲15× Added · +3.2M sh | Q1 2026 | |
| 17 | Bank Of America Corp | 3.2M | $1.0M | ▲+66% Added · +1.3M sh | Q1 2026 | |
| 18 | Barclays PLC | 3.1M | $1.0M | ▲+432% Added · +2.5M sh | Q1 2026 | |
| 19 | Geode Capital Management, LLC | 2.5M | $409K | ▼−50% Reduced · −2.5M sh | Q2 2026 | |
| 20 | MB Generational Wealth, LLC | 2.2M | $365K | ▲+45% Added · +685K sh | Q2 2026 | |
| 21 | Vanguard Portfolio Management LLC | 2.2M | $711K | →New filer Inherited book · not a new buyer | Q1 2026 | |
| 22 | Alyeska Investment Group, L.P. | 2.1M | $674K | ▲+126% Added · +1.1M sh | Q1 2026 | |
| 23 | UBS Group AG | 1.9M | $620K | ▲+6.3% Added · +112K sh | Q1 2026 | |
| 24 | Jacobs Levy Equity Management, Inc | 1.7M | $557K | ▼−22% Reduced · −483K sh | Q1 2026 | |
| 25 | Charles Schwab Investment Management Inc | 1.5M | $496K | ▼−10% Reduced · −176K 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. 2 value rows are withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 4 funds opened a new position in GOSS and 31 added to an existing one, while 8 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 | 74 funds | $171.7B |
| Microsoft CorpMSFT | 72 funds | $117.5B |
| Amazon.com IncAMZN | 71 funds | $84.0B |
| Alphabet Inc-CL AGOOGL | 71 funds | $66.1B |
| Broadcom IncAVGO | 70 funds | $69.9B |
| Meta Platforms Inc-Class AMETA | 70 funds | $52.4B |
| Eli Lilly & CoLLY | 70 funds | $35.5B |
| Tesla IncTSLA | 70 funds | $29.1B |
| JPMorgan Chase & CoJPM | 70 funds | $27.9B |
| Apple IncAAPL | 69 funds | $133.8B |
| Alphabet Inc-CL CGOOG | 68 funds | $60.5B |
| Berkshire Hathaway Inc-CL BBRK/B | 68 funds | $17.6B |
Ranked by how many of GOSS's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in GOSS.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 19, 2025 | Milligan Sandra | Director | Buy (P) | 26K | $50K |
| Jun 24, 2024 | Aranda Richard | Chief Medical Officer | Sell (S) | 2K | $1K |
| Jun 21, 2024 | Hasnain Faheem | President & CEO, Director | Buy (P) | 372K | $249K |
| Jun 18, 2024 | Giraudo Bryan | COO/CFO | Buy (P) | 100K | $59K |
| Jun 17, 2024 | Smith Robert Paul JR | Chief Commercial Officer | Buy (P) | 25K | $15K |
| Mar 27, 2024 | Hasnain Faheem | President & CEO, Director | Sell (S) | 23K | $27K |
| Mar 27, 2024 | Giraudo Bryan | COO/CFO | Sell (S) | 6K | $7K |
| Mar 27, 2024 | Christian Waage | EVP, Tech Ops and Admin | Sell (S) | 6K | $7K |
| Mar 18, 2024 | Peterson Caryn | EVP, Regulatory Affairs | Sell (S) | 4K | $5K |
| Mar 18, 2024 | Aranda Richard | Chief Medical Officer | Sell (S) | 4K | $5K |
| Nov 15, 2023 | Milligan Sandra | Director | Buy (P) | 32K | $25K |
| Nov 13, 2023 | Giraudo Bryan | COO/CFO | Buy (P) | 200K | $112K |
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 | 53 | 25 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
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.
| Class | 13F holders | Value held |
|---|---|---|
| GOSSthis pagecs | 166 funds | $54.3M |
| GOSS 5 06/01/27NOTE 5.000% 6/0 | 4 funds | $30.6M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for GOSS
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/GOSS/capital-change-brief"
Use Arkolith's capital_change_brief for GOSS. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for GOSS. Filings are public domain, sourced to SEC EDGAR.