This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/BTU/capital-change-brief"
Use Arkolith's capital_change_brief for BTU. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ELLIOTT MANAGEMENT CORP | $263.7M | 28.9M | —Held | Q4 2019 | |
| 2 | BlackRock, Inc. | $591.4M | 17.9M | ▲+0.7% Added · +126K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $342.0M | 10.4M | ▲+8.9% Added · +848K sh | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $301.4M | 9.1M | ▲New +9.1M sh | Q1 2026 | |
| 5 | DIMENSIONAL FUND ADVISORS LP | $205.4M | 6.2M | ▲+0.9% Added · +54K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $195.5M | 5.9M | ▼−3.3% Reduced · −202K sh | Q1 2026 | |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $180.1M | 5.5M | ▲New +5.5M sh | Q1 2026 | |
| 8 | AMERICAN CENTURY COMPANIES INC | $150.9M | 4.6M | ▲+1.0% Added · +47K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $109.2M | 3.3M | ▲+15% Added · +422K sh | Q1 2026 | |
| 10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $95.9M | 2.9M | ▼−4.6% Reduced · −141K sh | Q1 2026 | |
| 11 | Hudson Bay Capital Management LP | $73.8M | 2.2M | ▲+5.5% Added · +116K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $73.6M | 2.2M | ▼−1.7% Reduced · −39K sh | Q1 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $54.4M | 1.7M | ▼−4.4% Reduced · −77K sh | Q1 2026 | |
| 14 | Forest Avenue Capital Management LP | $54.2M | 1.6M | ▲+40% Added · +472K sh | Q1 2026 | |
| 15 | FIL Ltd | $48.6M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 16 | Sourcerock Group LLC | $46.8M | 1.4M | ▼−27% Reduced · −516K sh | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $40.2M | 1.2M | ▲+2.3% Added · +28K sh | Q1 2026 | |
| 18 | Bank of New York Mellon Corp | $31.4M | 954K | ▼−3.5% Reduced · −35K sh | Q1 2026 | |
| 19 | UBS Group AG | $30.5M | 924K | ▼−53% Reduced · −1.0M sh | Q1 2026 | |
| 20 | T. Rowe Price Investment Management, Inc. | Withheld | 913K | ▲New +913K sh | Q1 2026 | |
| 21 | JANE STREET GROUP, LLC | $29.6M | 898K | ▼−61% Reduced · −1.4M sh | Q1 2026 | |
| 22 | GOLDMAN SACHS GROUP INC | $28.6M | 867K | ▼−12% Reduced · −113K sh | Q1 2026 | |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $28.2M | 857K | ▲+79% Added · +377K sh | Q1 2026 | |
| 24 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $26.3M | 797K | ▼−5.9% Reduced · −50K sh | Q1 2026 | |
| 25 | VANGUARD FIDUCIARY TRUST CO | $25.9M | 786K | ▲New +786K 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 |
|---|---|---|---|---|---|
| Jun 8, 2026 | Malone Robert A | Director | Grant (A) | 71 | $2K |
| Jun 8, 2026 | Bertone Andrea E. | Director | Grant (A) | 137 | $4K |
| Jun 8, 2026 | Jarboe Scott T. | CAO and Corporate Secretary | Grant (A) | 74 | $2K |
| Jun 8, 2026 | Hodges Georganne | Director | Grant (A) | 21 | $592 |
| Jun 8, 2026 | Grech James C. | President and CEO, Director | Grant (A) | 260 | $7K |
| Jun 8, 2026 | Chirekos Nicholas J. | Director | Grant (A) | 68 | $2K |
| Jun 8, 2026 | GORMAN STEPHEN E | Director | Grant (A) | 65 | $2K |
| Jun 8, 2026 | Champion William H | Director | Grant (A) | 114 | $3K |
| Jun 8, 2026 | Banks Margaret Katherine | Director | Grant (A) | 59 | $2K |
| Jun 8, 2026 | Spurbeck Mark | EVP and CFO | Grant (A) | 89 | $3K |
| Jun 8, 2026 | Yeates Darren Ronald | EVP & COO | Grant (A) | 121 | $3K |
| Jun 8, 2026 | Roberts Malcolm James | EVP & Chief Commercial Officer | Grant (A) | 43 | $1K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 127 funds | $34.3B |
| MICROSOFT CORPMSFT | 126 funds | $43.3B |
| NVIDIA CORPNVDA | 124 funds | $62.6B |
| BROADCOM INCAVGO | 123 funds | $22.9B |
| META PLATFORMS INC-CLASS AMETA | 123 funds | $21.3B |
| COSTCO WHOLESALE CORPCOST | 123 funds | $7.1B |
| APPLE INCAAPL | 122 funds | $50.6B |
| ALPHABET INC-CL AGOOGL | 122 funds | $30.7B |
| TESLA INCTSLA | 122 funds | $13.0B |
| ELI LILLY & COLLY | 122 funds | $11.1B |
| VISA INC-CLASS A SHARESV | 122 funds | $9.0B |
| NETFLIX INCNFLX | 122 funds | $6.4B |
Ranked by how many of BTU'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 BTU. 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.