The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query VTSI owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/VTSI"
Use Arkolith to show who owns VTSI, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $2.2M | 522K | ▲+2.4% Added · +12K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $471K | 127K | ▲+2.0% Added · +3K sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $435K | 117K | ▼−4.2% Reduced · −5K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $233K | 63K | ▲New +63K sh | Q1 2026 | |
| 5 | ARS Investment Partners, LLC | $215K | 58K | ▼−1.0% Reduced · −615 sh | Q1 2026 | |
| 6 | STATE STREET CORP | $164K | 44K | —Held | Q1 2026 | |
| 7 | Hennion & Walsh Asset Management, Inc. | $102K | 28K | ▼−5.3% Reduced · −2K sh | Q1 2026 | |
| 8 | DIVERSIFY WEALTH MANAGEMENT, LLC | $58K | 13K | ▲New +13K sh | Q1 2026 | |
| 9 | Ashton Thomas Private Wealth, LLC | $45K | 12K | ▲New +12K sh | Q1 2026 | |
| 10 | NewEdge Advisors, LLC | $19K | 5K | ▼−88% Reduced · −39K sh | Q1 2026 | |
| 11 | SBI Securities Co., Ltd. | $9K | 2K | —Held | Q1 2026 | |
| 12 | GROUP ONE TRADING LLC | $4K | 1K | ▼−26% Reduced · −400 sh | Q1 2026 | |
| 13 | FMR LLC | $479 | 129 | ▼−77% Reduced · −427 sh | Q1 2026 | |
| 14 | NISA INVESTMENT ADVISORS, LLC | $271 | 73 | —Held | Q1 2026 | |
| 15 | CWM, LLC | $45 | 12 | ▼−56% Reduced · −15 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 200 | $890 |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 214 | $954 |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 400 | $2K |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 515 | $2K |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 100 | $456 |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 200 | $914 |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 2K | $8K |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 803 | $4K |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 400 | $2K |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 26 | $115 |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 411 | $2K |
| Feb 12, 2026 | Brown Jeffrey Dale | Director | Buy (P) | 400 | $2K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 11 funds | $1.7B |
| BROADCOM INCAVGO | 11 funds | $1.2B |
| TESLA INCTSLA | 11 funds | $826.6M |
| MICRON TECHNOLOGY INCMU | 11 funds | $637.1M |
| CHEVRON CORPCVX | 11 funds | $610.6M |
| VISA INC-CLASS A SHARESV | 11 funds | $558.4M |
| ADVANCED MICRO DEVICESAMD | 11 funds | $545.0M |
| LAM RESEARCH CORPLRCX | 11 funds | $358.1M |
| RTX CORPRTX | 11 funds | $239.0M |
| BOEING CO/THEBA | 11 funds | $235.1M |
| INTL BUSINESS MACHINES CORPIBM | 11 funds | $229.1M |
| BLACKROCK INCBLK | 11 funds | $206.4M |
Ranked by how many of VTSI's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for VTSI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.