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 ESPO 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/ESPO"
Use Arkolith to show who owns ESPO, 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 | $5.3M | 59K | ▲+648% Added · +51K sh | Q1 2026 | |
| 2 | Steward Partners Investment Advisory, LLC | $1.3M | 15K | ▲+38% Added · +4K sh | Q1 2026 | |
| 3 | Vontobel Holding Ltd. | $552K | 6K | ▼−25% Reduced · −2K sh | Q1 2026 | |
| 4 | Kestra Advisory Services, LLC | $542K | 6K | ▲+2.2% Added · +129 sh | Q1 2026 | |
| 5 | ROTHSCHILD INVESTMENT LLC | $480K | 5K | —Held | Q1 2026 | |
| 6 | ASSETMARK, INC | $412K | 5K | ▼−97% Reduced · −136K sh | Q1 2026 | |
| 7 | Private Advisor Group, LLC | $376K | 4K | ▼−0.2% Reduced · −10 sh | Q1 2026 | |
| 8 | RFG Advisory, LLC | $301K | 3K | ▼−1.2% Reduced · −40 sh | Q1 2026 | |
| 9 | FMR LLC | $86K | 948 | ▼−38% Reduced · −592 sh | Q1 2026 | |
| 10 | NewEdge Advisors, LLC | $79K | 869 | —Held | Q1 2026 | |
| 11 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $74K | 822 | —Held | Q1 2026 | |
| 12 | IFP Advisors, Inc | $58K | 637 | ▲+1.1% Added · +7 sh | Q1 2026 | |
| 13 | AlphaCore Capital LLC | $57K | 625 | ▼−14% Reduced · −100 sh | Q1 2026 | |
| 14 | BlackRock, Inc. | $18K | 200 | ▲New +200 sh | Q1 2026 | |
| 15 | MAI Capital Management | $8K | 86 | —Held | Q1 2026 | |
| 16 | CWM, LLC | $3K | 35 | —Held | Q1 2026 | |
| 17 | AdvisorNet Financial, Inc | $2K | 21 | —Held | Q1 2026 | |
| 18 | Ancora Advisors LLC | $2K | 18 | —Held | Q1 2026 | |
| 19 | MCF Advisors LLC | $2K | 18 | ▲New +18 sh | Q1 2026 | |
| 20 | Aptus Capital Advisors, LLC | $905 | 10 | —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 |
|---|---|---|
| NVIDIA CORPNVDA | 25 funds | $11.8B |
| ISHARES CORE S&P 500 ETFIVV | 25 funds | $11.2B |
| APPLE INCAAPL | 25 funds | $10.7B |
| MICROSOFT CORPMSFT | 25 funds | $9.4B |
| AMAZON.COM INCAMZN | 25 funds | $7.7B |
| ALPHABET INC-CL AGOOGL | 25 funds | $6.6B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 25 funds | $5.4B |
| BROADCOM INCAVGO | 25 funds | $4.9B |
| META PLATFORMS INC-CLASS AMETA | 25 funds | $4.5B |
| JPMORGAN CHASE & COJPM | 25 funds | $4.1B |
| ALPHABET INC-CL CGOOG | 25 funds | $4.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 25 funds | $3.6B |
Ranked by how many of ESPO'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 ESPO. 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.