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 ATCH 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/ATCH"
Use Arkolith to show who owns ATCH, 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 | $580K | 2.3M | ▲+462% Added · +1.9M sh | Q4 2025 | |
| 2 | JANE STREET GROUP, LLC | $372K | 1.9M | ▲+103% Added · +952K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $311K | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $300K | 1.5M | ▲+28% Added · +330K sh | Q1 2026 | |
| 5 | UBS Group AG | $171K | 861K | ▲+3.3% Added · +27K sh | Q1 2026 | |
| 6 | HighTower Advisors, LLC | $166K | 834K | ▲+2.4% Added · +20K sh | Q1 2026 | |
| 7 | VANGUARD FIDUCIARY TRUST CO | $149K | 748K | ▲New +748K sh | Q1 2026 | |
| 8 | NORTHERN TRUST CORP | $66K | 332K | ▲+95% Added · +162K sh | Q1 2026 | |
| 9 | CARY STREET PARTNERS FINANCIAL LLC | $51K | 255K | ▲New +255K sh | Q1 2026 | |
| 10 | STATE STREET CORP | $46K | 233K | ▲New +233K sh | Q1 2026 | |
| 11 | AQR CAPITAL MANAGEMENT LLC | $19K | 93K | ▲New +93K sh | Q1 2026 | |
| 12 | DIVERSIFY WEALTH MANAGEMENT, LLC | $18K | 61K | —Held | Q1 2026 | |
| 13 | Arkadios Wealth Advisors | $8K | 40K | ▲New +40K sh | Q1 2026 | |
| 14 | BANK OF MONTREAL /CAN/ | $4K | 20K | —Held | Q1 2026 | |
| 15 | Tower Research Capital LLC (TRC) | $4K | 19K | ▲+94% Added · +9K sh | Q1 2026 | |
| 16 | OSAIC HOLDINGS, INC. | $3K | 14K | ▼−6.9% Reduced · −1K sh | Q1 2026 | |
| 17 | MAI Capital Management | $1K | 8K | —Held | Q1 2026 | |
| 18 | CITIGROUP INC | $157 | 790 | ▲+47% Added · +254 sh | Q1 2026 | |
| 19 | SBI Securities Co., Ltd. | $19 | 97 | ▼−91% Reduced · −1K 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 |
|---|---|---|---|---|---|
| Jan 22, 2025 | Atlas Fintech Holdings Corp. | 10% Owner | Other (J) | 27K | $127K |
| Nov 19, 2024 | Atlas Fintech Holdings Corp. | 10% Owner | Sell (S) | 2K | $27K |
| Nov 18, 2024 | Atlas Fintech Holdings Corp. | 10% Owner | Sell (S) | 6K | $100K |
| Aug 23, 2024 | Atlas Fintech Holdings Corp. | 10% Owner | Other (J) | 46K | $803K |
| Aug 23, 2024 | Atlas Fintech Holdings Corp. | 10% Owner | Other (J) | 3K | $133K |
| Apr 8, 2024 | McBey Robert G | Chief Executive Officer, Director | Other (J) | 7K | — |
| Mar 20, 2024 | Barber Richard | Chief Financial Officer | Other (J) | 40K | $0 |
| Mar 20, 2024 | Schaible John | Chief Strategy Officer, Director | Other (J) | 703K | $0 |
| Mar 20, 2024 | Carlson Steven J. | Director | Other (J) | 53K | $0 |
| Mar 20, 2024 | Quantum Ventures LLC | 10% Owner | Other (J) | 4.3M | $0 |
| Mar 20, 2024 | Hammond Thomas Jon | Director | Other (J) | 80K | $0 |
| Mar 20, 2024 | Patel Sandip I | Director | Other (J) | 354K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| ISHARES CORE S&P 500 ETFIVV | 6 funds | $1.4B |
| NVIDIA CORPNVDA | 6 funds | $1.4B |
| APPLE INCAAPL | 6 funds | $1.3B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 6 funds | $988.0M |
| MICROSOFT CORPMSFT | 6 funds | $760.3M |
| AMAZON.COM INCAMZN | 6 funds | $609.1M |
| ALPHABET INC-CL AGOOGL | 6 funds | $561.4M |
| INVESCO QQQ TRUST SERIES 1QQQ | 6 funds | $557.0M |
| VANGUARD S&P 500 ETFVOO | 6 funds | $469.6M |
| VANGUARD TOTAL STOCK MKT ETFVTI | 6 funds | $449.0M |
| ISHARES CORE S&P MIDCAP ETFIJH | 6 funds | $440.2M |
| ALPHABET INC-CL CGOOG | 6 funds | $420.8M |
Ranked by how many of ATCH'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 ATCH. 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.