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 TSLY 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/TSLY"
Use Arkolith to show who owns TSLY, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Tidal Investments LLC | $39.8M | 1.3M | ▼−30% Reduced · −574K sh | Q1 2026 | |
| 2 | GROUP ONE TRADING LLC | $1.0M | 34K | ▲+91% Added · +16K sh | Q1 2026 | |
| 3 | CITADEL ADVISORS LLC | $565K | 19K | ▲Added Added · +19K sh | Q1 2026 | |
| 4 | Regal Investment Advisors LLC | $263K | 9K | ▼−1.6% Reduced · −147 sh | Q1 2026 | |
| 5 | Kestra Advisory Services, LLC | $243K | 8K | ▲+12% Added · +862 sh | Q1 2026 | |
| 6 | CENTAURUS FINANCIAL, INC. | $105K | 4K | ▲+3.9% Added · +133 sh | Q1 2026 | |
| 7 | Steward Partners Investment Advisory, LLC | $77K | 3K | ▲+3.4% Added · +83 sh | Q1 2026 | |
| 8 | Wilmington Savings Fund Society, FSB | $13K | 436 | —Held | Q1 2026 | |
| 9 | Clearstead Advisors, LLC | $540 | 18 | —Held | Q1 2026 | |
| 10 | Arax Advisory Partners | $180 | 79 | ▲13× Added · +73 sh | Q1 2026 | |
| 11 | Larson Financial Group LLC | $169 | 6 | ▼−33% Reduced · −3 sh | Q1 2026 | |
| 12 | Root Financial Partners, LLC | $66 | 2 | —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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 17 funds | $4.3B |
| MICROSOFT CORPMSFT | 17 funds | $4.2B |
| META PLATFORMS INC-CLASS AMETA | 17 funds | $2.5B |
| BROADCOM INCAVGO | 17 funds | $2.4B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 17 funds | $2.1B |
| MICRON TECHNOLOGY INCMU | 17 funds | $2.0B |
| JPMORGAN CHASE & COJPM | 17 funds | $2.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 17 funds | $1.7B |
| TESLA INCTSLA | 17 funds | $1.5B |
| JOHNSON & JOHNSONJNJ | 17 funds | $1.4B |
| COSTCO WHOLESALE CORPCOST | 17 funds | $1.3B |
| MASTERCARD INC - AMA | 17 funds | $1.0B |
Ranked by how many of TSLY's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TSLY. 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.