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 ECO 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/ECO"
Use Arkolith to show who owns ECO, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Portolan Capital Management, LLC | $27.3M | 539K | ▲+233% Added · +377K sh | Q1 2026 | |
| 2 | Encompass Capital Advisors LLC | $19.1M | 377K | ▼−53% Reduced · −433K sh | Q1 2026 | |
| 3 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $9.0M | 178K | ▲New +178K sh | Q1 2026 | |
| 4 | Walleye Capital LLC | $9.0M | 177K | ▲+72% Added · +74K sh | Q1 2026 | |
| 5 | Point72 Asset Management, L.P. | $6.6M | 131K | ▲+11% Added · +13K sh | Q1 2026 | |
| 6 | Engineers Gate Manager LP | $3.6M | 71K | ▲+38% Added · +20K sh | Q1 2026 | |
| 7 | Quadrature Capital Ltd | $3.5M | 69K | ▲+18% Added · +11K sh | Q1 2026 | |
| 8 | Energy Income Partners, LLC | $3.5M | 69K | ▲+3.4% Added · +2K sh | Q1 2026 | |
| 9 | BOOTHBAY FUND MANAGEMENT, LLC | $3.2M | 63K | ▲+145% Added · +37K sh | Q1 2026 | |
| 10 | Aquatic Capital Management LLC | $2.7M | 54K | ▲+324% Added · +41K sh | Q1 2026 | |
| 11 | CREDIT AGRICOLE S A | $1.5M | 30K | —Held | Q1 2026 | |
| 12 | Glenorchy Capital Ltd | $1.4M | 28K | ▲+11% Added · +3K sh | Q1 2026 | |
| 13 | Kovack Advisors, Inc. | $943K | 19K | ▼−0.8% Reduced · −150 sh | Q1 2026 | |
| 14 | SPROTT INC. | $799K | 16K | ▲New +16K sh | Q1 2026 | |
| 15 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $778K | 15K | ▲New +15K sh | Q1 2026 | |
| 16 | Tidal Investments LLC | $686K | 14K | ▲New +14K sh | Q1 2026 | |
| 17 | DAVENPORT & Co LLC | $617K | 12K | ▲New +12K sh | Q1 2026 | |
| 18 | Jain Global LLC | $552K | 11K | ▼−9.9% Reduced · −1K sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $261K | 5K | ▼−97% Reduced · −196K sh | Q1 2026 | |
| 20 | Magnetar Financial LLC | $257K | 5K | ▼−64% Reduced · −9K sh | Q1 2026 | |
| 21 | Private Advisor Group, LLC | $256K | 5K | ▲New +5K sh | Q1 2026 | |
| 22 | MML INVESTORS SERVICES, LLC | $219K | 4K | ▲New +4K sh | Q1 2026 | |
| 23 | COMMERCE BANK | $202K | 4K | ▲New +4K sh | Q1 2026 | |
| 24 | TD PRIVATE CLIENT WEALTH LLC | $878 | 17 | ▲New +17 sh | Q1 2026 | |
| 25 | Root Financial Partners, LLC | $658 | 13 | ▲New +13 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.
| Company | Co-held by | Combined value |
|---|---|---|
| OCCIDENTAL PETROLEUM CORPOXY | 29 funds | $564.3M |
| BARRICK MINING CORPB | 29 funds | $388.5M |
| AMAZON.COM INCAMZN | 28 funds | $8.4B |
| MICROSOFT CORPMSFT | 28 funds | $8.3B |
| LOCKHEED MARTIN CORPLMT | 28 funds | $1.3B |
| LINDE PLCLIN | 28 funds | $668.5M |
| EQT CORPEQT | 28 funds | $345.7M |
| APPLE INCAAPL | 27 funds | $9.7B |
| MICRON TECHNOLOGY INCMU | 27 funds | $3.5B |
| ALPHABET INC-CL CGOOG | 27 funds | $3.1B |
| TESLA INCTSLA | 27 funds | $2.9B |
| MASTERCARD INC - AMA | 27 funds | $2.1B |
Ranked by how many of ECO'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 ECO. 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.