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 TISI 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/TISI"
Use Arkolith to show who owns TISI, 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 | $2.4M | 169K | ▲+3.9% Added · +6K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $882K | 55K | ▲+1.1% Added · +624 sh | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $773K | 49K | ▲+2.1% Added · +991 sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $411K | 26K | ▲New +26K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $298K | 19K | ▲+5.0% Added · +900 sh | Q1 2026 | |
| 6 | CWM, LLC | $35K | 2K | —Held | Q1 2026 | |
| 7 | SBI Securities Co., Ltd. | $48 | 3 | —Held | 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 |
|---|---|---|---|---|---|
| Jun 17, 2026 | Webster James C. | EVP and Chief Legal Officer | Grant (A) | 6K | $0 |
| Mar 24, 2026 | Stenger Edward J. | Director | Buy (P) | 4K | $58K |
| Mar 23, 2026 | Stenger Edward J. | Director | Buy (P) | 1K | $22K |
| Jan 14, 2026 | Caliel Michael J | Director | Grant (A) | 25K | $0 |
| Jan 14, 2026 | Caliel Michael J | Director | Grant (A) | 23K | $0 |
| Dec 8, 2025 | Corre Opportunities Qualified Master Fund, LP | 10% Owner | Buy (P) | 1K | $16K |
| Dec 5, 2025 | Corre Opportunities Qualified Master Fund, LP | 10% Owner | Buy (P) | 1K | $20K |
| Dec 4, 2025 | Corre Opportunities Qualified Master Fund, LP | 10% Owner | Buy (P) | 600 | $9K |
| Dec 3, 2025 | Corre Partners Management, LLC | 10% Owner | Buy (P) | 700 | $10K |
| Dec 2, 2025 | Davis Jeffery Gerald | Director | Sell (S) | 1K | $15K |
| Dec 1, 2025 | Corre Partners Management, LLC | 10% Owner | Buy (P) | 13K | $198K |
| Nov 21, 2025 | Davis Jeffery Gerald | Director | Sell (S) | 573 | $9K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 3 funds | $1.1B |
| APPLE INCAAPL | 3 funds | $816.0M |
| SS SPDR S&P 500 ETF TRUST-USSPY | 3 funds | $574.5M |
| MICROSOFT CORPMSFT | 3 funds | $519.7M |
| ALPHABET INC-CL AGOOGL | 3 funds | $431.2M |
| AMAZON.COM INCAMZN | 3 funds | $421.7M |
| INVESCO QQQ TRUST SERIES 1QQQ | 3 funds | $411.2M |
| VANGUARD S&P 500 ETFVOO | 3 funds | $345.4M |
| ISHARES CORE MSCI EMERGINGIEMG | 3 funds | $302.8M |
| TESLA INCTSLA | 3 funds | $275.0M |
| SS SPDR P S&P 500 GROWTH ETFSPYG | 3 funds | $273.2M |
| VANGUARD TOTAL STOCK MKT ETFVTI | 3 funds | $271.7M |
Ranked by how many of TISI'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 TISI. 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.