Among active 13F managers last quarter, 4 opened and 3 added, while 2 reduced; the largest holder to move was Two Sigma Investments, LP (+28%). Over the last 180 days, 6 insiders sold and none bought, a net -$2.8M in open-market trades.
The legs disagree, or only one of them leans.
36 tracked 13F filers disclose a position in XOS as of the latest SEC 13F filings, a combined $1.7M 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 | Vanguard Capital Management LLC | 223K | $674K | ▲+50% Added · +74K sh | Q2 2026 | |
| 2 | Two Sigma Investments, LP | 110K | $179K | ▲+28% Added · +24K sh | Q1 2026 | |
| 3 | Geode Capital Management, LLC | 87K | $262K | ▼−11% Reduced · −11K sh | Q2 2026 | |
| 4 | State Street Corp | 77K | $234K | ▲New +77K sh | Q2 2026 | |
| 5 | Vanguard Fiduciary Trust Co | 50K | $151K | ▲+91% Added · +24K sh | Q2 2026 | |
| 6 | Algert Global LLC | 46K | $138K | ▲New +46K sh | Q2 2026 | |
| 7 | XTX Topco Ltd | 16K | $26K | ▲New +16K sh | Q1 2026 | |
| 8 | Royal Bank Of Canada | 15K | $24K | ▲+0.2% Added · +26 sh | Q1 2026 | |
| 9 | Osaic Holdings, Inc. | 8K | $13K | ▲44× Added · +8K sh | Q1 2026 | |
| 10 | BlackRock, Inc. | 4K | $12K | ▼−79% Reduced · −15K sh | Q2 2026 | |
| 11 | SBI Securities Co., Ltd. | 3K | $10K | ▼−0.7% Reduced · −23 sh | Q2 2026 | |
| 12 | Tower Research Capital LLC (TRC) | 3K | $4K | ▲+32% Added · +649 sh | Q1 2026 | |
| 13 | Vanguard Global Advisers, LLC | 696 | $2K | —Held | Q2 2026 | |
| 14 | BNP Paribas Financial Markets | 83 | $135 | —Held | Q1 2026 | |
| 15 | Federation des caisses Desjardins du Quebec | 76 | $230 | —Held | Q2 2026 | |
| 16 | AssetMark, Inc | 50 | $151 | ▲New +50 sh | Q2 2026 | |
| 17 | Morgan Stanley | 49 | $80 | ▼−97% Reduced · −1K sh | Q1 2026 | |
| 18 | Advisory Services Network, LLC | 35 | $57 | ▲New +35 sh | Q1 2026 | |
| 19 | Millstone Evans Group, LLC | 33 | $100 | —Held | Q2 2026 | |
| 20 | Group One Trading LLC | 24 | $72 | —Held | Q2 2026 | |
| 21 | Blue Trust, Inc. | 19 | $57 | —Held | Q2 2026 | |
| 22 | Continuum Advisory, LLC | 16 | $48 | ▲Added Added · +16 sh | Q2 2026 | |
| 23 | US Bancorp | 14 | $23 | ▲New +14 sh | Q1 2026 | |
| 24 | Darwin Wealth Management, LLC | 10 | $30 | —Held | Q2 2026 | |
| 25 | TD Waterhouse Canada Inc. | 7 | $20 | ▼−42% Reduced · −5 sh | Q2 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, 4 funds opened a new position in XOS and 3 added to an existing one, while 2 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 | 12 funds | $3.2B |
| Apple IncAAPL | 12 funds | $2.5B |
| Amazon.com IncAMZN | 12 funds | $1.8B |
| Alphabet Inc-CL AGOOGL | 12 funds | $1.7B |
| Tesla IncTSLA | 12 funds | $1.4B |
| JPMorgan Chase & CoJPM | 12 funds | $1.2B |
| Micron Technology IncMU | 12 funds | $1.1B |
| Palantir Technologies Inc-APLTR | 12 funds | $1.1B |
| Microsoft CorpMSFT | 12 funds | $1.1B |
| Costco Wholesale CorpCOST | 12 funds | $977.2M |
| Broadcom IncAVGO | 12 funds | $966.3M |
| Berkshire Hathaway Inc-CL BBRK/B | 12 funds | $966.2M |
Ranked by how many of XOS's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in XOS.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 4, 2026 | Ostermann Dietmar | Director | Sell (S) | 5K | $15K |
| Sep 2, 2026 | Ostermann Dietmar | Director | Sell (S) | 10K | $30K |
| Aug 20, 2026 | Sordoni Giordano | Chief Operating Officer, Director | Sell (S) | 49K | $198K |
| Aug 20, 2026 | Ostermann Dietmar | Director | Sell (S) | 10K | $35K |
| Aug 18, 2026 | Bernstein Stuart N. | Director | Sell (S) | 30K | $126K |
| Jul 17, 2026 | Ostermann Dietmar | Director | Sell (S) | 4K | $9K |
| Jul 17, 2026 | Richardson Michael Paul | Director | Sell (S) | 3K | $7K |
| Jul 17, 2026 | Yake Alice | Director | Sell (S) | 3K | $5K |
| Jul 16, 2026 | Ostermann Dietmar | Director | Sell (S) | 4K | $9K |
| Jul 16, 2026 | Richardson Michael Paul | Director | Sell (S) | 3K | $7K |
| Jul 16, 2026 | Yake Alice | Director | Sell (S) | 3K | $5K |
| Jul 15, 2026 | Ostermann Dietmar | Director | Sell (S) | 4K | $10K |
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 | 7 | 8 | – |
Insiders Form 4 open-market | 0 | 6 | -$2.8M |
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 |
|---|---|---|
| XOSthis pageStock | 36 funds | $1.7M |
| XOSWWWARRANT | 14 funds | $5K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for XOS
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/XOS/capital-change-brief"
Use Arkolith's capital_change_brief for XOS. 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 XOS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.