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 TKLF 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/TKLF"
Use Arkolith to show who owns TKLF, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $93K | 45K | ▼−17% Reduced · −10K sh | Q1 2026 | |
| 2 | OSAIC HOLDINGS, INC. | $291 | 137 | —Held | Q1 2026 | |
| 3 | UBS Group AG | $141 | 66 | ▼−90% Reduced · −612 sh | Q1 2026 | |
| 4 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $111 | 52 | ▲New +52 sh | Q1 2026 | |
| 5 | RHUMBLINE ADVISERS | $26 | 13 | —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 |
|---|---|---|---|---|---|
| May 11, 2026 | Kanayama Mei | Representative Director (PEO), Director, 10% Owner | Buy (P) | 20K | $45K |
| Mar 27, 2026 | Kanayama Mei | Representative Director (PEO), Director, 10% Owner | Buy (P) | 1K | $3K |
| Mar 26, 2026 | Kanayama Mei | Representative Director (PEO), Director, 10% Owner | Buy (P) | 2K | $3K |
| Mar 25, 2026 | Kanayama Mei | Representative Director (PEO), Director, 10% Owner | Buy (P) | 2K | $4K |
| Company | Co-held by | Combined value |
|---|---|---|
| ISHARES CORE S&P 500 ETFIVV | 6 funds | $29.9B |
| NVIDIA CORPNVDA | 6 funds | $29.1B |
| APPLE INCAAPL | 6 funds | $24.5B |
| MICROSOFT CORPMSFT | 6 funds | $21.6B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 6 funds | $20.0B |
| AMAZON.COM INCAMZN | 6 funds | $14.5B |
| ALPHABET INC-CL AGOOGL | 6 funds | $12.8B |
| BROADCOM INCAVGO | 6 funds | $12.7B |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $10.1B |
| ALPHABET INC-CL CGOOG | 6 funds | $9.9B |
| JPMORGAN CHASE & COJPM | 6 funds | $8.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 6 funds | $6.8B |
Ranked by how many of TKLF'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 TKLF. 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.