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 ARCO 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/ARCO"
Use Arkolith to show who owns ARCO, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | PZENA INVESTMENT MANAGEMENT LLC | $88.6M | 10.7M | ▲+1.7% Added · +179K sh | Q1 2026 | |
| 2 | State of New Jersey Common Pension Fund D | $12.3M | 1.5M | —Held | Q1 2026 | |
| 3 | Perpetual Ltd | $11.8M | 1.4M | ▼−0.9% Reduced · −13K sh | Q1 2026 | |
| 4 | Point72 Asset Management, L.P. | $4.0M | 487K | ▼−17% Reduced · −101K sh | Q1 2026 | |
| 5 | SAPIENT CAPITAL LLC | $2.0M | 246K | —Held | Q1 2026 | |
| 6 | Bleakley Financial Group, LLC | $1.9M | 234K | ▲+15% Added · +31K sh | Q1 2026 | |
| 7 | Catalyst Capital Advisors LLC | $1.5M | 182K | —Held | Q1 2026 | |
| 8 | CITADEL ADVISORS LLC | $1.3M | 163K | ▼−82% Reduced · −764K sh | Q1 2026 | |
| 9 | Trexquant Investment LP | $1.1M | 129K | ▼−15% Reduced · −24K sh | Q1 2026 | |
| 10 | Ruffer LLP | $1.1M | 127K | —Held | Q1 2026 | |
| 11 | Engineers Gate Manager LP | $836K | 101K | ▼−13% Reduced · −15K sh | Q1 2026 | |
| 12 | Magnetar Financial LLC | $745K | 90K | ▲New +90K sh | Q1 2026 | |
| 13 | CenterBook Partners LP | $616K | 75K | ▼−59% Reduced · −108K sh | Q1 2026 | |
| 14 | Integrated Wealth Concepts LLC | $582K | 71K | ▲New +71K sh | Q1 2026 | |
| 15 | WINTON GROUP Ltd | $541K | 66K | ▲New +66K sh | Q1 2026 | |
| 16 | STATE STREET CORP | $411K | 49K | ▲+35% Added · +13K sh | Q1 2026 | |
| 17 | Moors & Cabot, Inc. | $391K | 47K | ▼−4.0% Reduced · −2K sh | Q1 2026 | |
| 18 | Merit Financial Group, LLC | $305K | 37K | ▲+14% Added · +4K sh | Q1 2026 | |
| 19 | Regal Investment Advisors LLC | $243K | 29K | ▲+47% Added · +9K sh | Q1 2026 | |
| 20 | &PARTNERS | $237K | 29K | ▲+30% Added · +7K sh | Q1 2026 | |
| 21 | Centiva Capital, LP | $210K | 25K | ▲New +25K sh | Q1 2026 | |
| 22 | Ausdal Financial Partners, Inc. | $195K | 24K | ▲New +24K sh | Q1 2026 | |
| 23 | NewEdge Wealth, LLC | $167K | 20K | ▲+13% Added · +2K sh | Q1 2026 | |
| 24 | TUDOR INVESTMENT CORP ET AL | $162K | 20K | ▲New +20K sh | Q1 2026 | |
| 25 | FIRST INTERSTATE BANK | $157K | 19K | —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 |
|---|---|---|
| ALPHABET INC-CL AGOOGL | 51 funds | $10.2B |
| MICROSOFT CORPMSFT | 50 funds | $13.9B |
| BROADCOM INCAVGO | 48 funds | $9.0B |
| META PLATFORMS INC-CLASS AMETA | 48 funds | $7.3B |
| JPMORGAN CHASE & COJPM | 48 funds | $7.1B |
| MICRON TECHNOLOGY INCMU | 48 funds | $3.8B |
| BANK OF AMERICA CORPBAC | 48 funds | $1.9B |
| INTEL CORPINTC | 48 funds | $1.0B |
| AMAZON.COM INCAMZN | 47 funds | $11.9B |
| ELI LILLY & COLLY | 47 funds | $5.1B |
| HONEYWELL INTERNATIONAL INCHON | 47 funds | $1.2B |
| NVIDIA CORPNVDA | 46 funds | $21.8B |
Ranked by how many of ARCO'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 ARCO. 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.