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 TLDR 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/TLDR"
Use Arkolith to show who owns TLDR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $408K | 16K | ▲New +16K 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.
No Form 4 insider transactions on file yet.
| Class | 13F holders | Value held |
|---|---|---|
| DRNZETF | 16 funds | $14.9M |
| TSIITSLA GROWTH & IN | 5 funds | $1.2M |
| 761562859AUTOCALLABLE IN | 4 funds | $1.6M |
| 761562867INCOMEMAX OPTION | 4 funds | $431K |
| NVIINVDA GROWTH | 3 funds | $2.2M |
| 761562800LLY GROWTH & INC | 3 funds | $1.3M |
| TLDRthis pageLADDERED T BILL | 2 funds | $624K |
| 761562701CRWV GRWTH & INC | 2 funds | $232K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
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 TLDR. 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.