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 BLD 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/BLD"
Use Arkolith to show who owns BLD, 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 | $1.1B | 2.6M | ▼−1.8% Reduced · −47K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $1.0B | 2.9M | ▲+4.1% Added · +115K sh | Q1 2026 | |
| 3 | FMR LLC | $667.3M | 1.9M | ▼−13% Reduced · −287K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $442.3M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $406.4M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $351.2M | 1000K | ▲+1.9% Added · +19K sh | Q1 2026 | |
| 7 | VICTORY CAPITAL MANAGEMENT INC | $321.7M | 916K | ▲+18% Added · +138K sh | Q1 2026 | |
| 8 | Boston Partners | $291.6M | 830K | ▲+8.6% Added · +66K sh | Q1 2026 | |
| 9 | Pictet Asset Management Holding SA | $238.1M | 678K | ▼−2.7% Reduced · −19K sh | Q1 2026 | |
| 10 | BANK OF AMERICA CORP /DE/ | $219.9M | 626K | ▼−17% Reduced · −125K sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $199.8M | 569K | ▲+23% Added · +106K sh | Q1 2026 | |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $186.4M | 530K | ▲+5.8% Added · +29K sh | Q1 2026 | |
| 13 | DIMENSIONAL FUND ADVISORS LP | $175.7M | 500K | ▲+0.5% Added · +3K sh | Q1 2026 | |
| 14 | ROYAL LONDON ASSET MANAGEMENT LTD | $173.2M | 497K | ▲+6.4% Added · +30K sh | Q1 2026 | |
| 15 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | $161.2M | 459K | ▼−3.3% Reduced · −16K sh | Q1 2026 | |
| 16 | NORGES BANK | $104.9M | 252K | ▼−26% Reduced · −89K sh | Q4 2025 | |
| 17 | NORDEA INVESTMENT MANAGEMENT AB | $103.3M | 303K | ▲+15% Added · +40K sh | Q1 2026 | |
| 18 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | $98.9M | 282K | ▲+0.9% Added · +3K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $93.8M | 267K | ▼−9.2% Reduced · −27K sh | Q1 2026 | |
| 20 | UBS Group AG | $92.5M | 263K | ▲+19% Added · +42K sh | Q1 2026 | |
| 21 | Artisan Partners Limited Partnership | $91.6M | 261K | ▲+7.2% Added · +17K sh | Q1 2026 | |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $82.4M | 235K | ▲+4.4% Added · +10K sh | Q1 2026 | |
| 23 | BNP Paribas Asset Management Holding S.A. | $81.3M | 232K | ▲+52% Added · +79K sh | Q1 2026 | |
| 24 | D1 Capital Partners L.P. | $75.0M | 213K | ▲New +213K sh | Q1 2026 | |
| 25 | CITADEL ADVISORS LLC | $73.6M | 209K | ▲Added Added · +209K 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 |
|---|---|---|---|---|---|
| Feb 17, 2026 | Machado Luis Francisco | VP, Gen. Counsel, Corp Sec. | Grant (A) | 471 | $257K |
| Feb 17, 2026 | Machado Luis Francisco | VP, Gen. Counsel, Corp Sec. | Grant (A) | 471 | $257K |
| Feb 17, 2026 | Machado Luis Francisco | VP, Gen. Counsel, Corp Sec. | Grant (A) | 628 | $342K |
| Feb 17, 2026 | Kuhns Robert M | Vice President and CFO | Grant (A) | 812 | $443K |
| Feb 17, 2026 | Kuhns Robert M | Vice President and CFO | Grant (A) | 812 | $443K |
| Feb 17, 2026 | Kuhns Robert M | Vice President and CFO | Grant (A) | 1K | $590K |
| Feb 17, 2026 | OTERO MADELINE | Vice President and CAO | Grant (A) | 147 | $80K |
| Feb 17, 2026 | OTERO MADELINE | Vice President and CAO | Grant (A) | 111 | $61K |
| Feb 17, 2026 | OTERO MADELINE | Vice President and CAO | Grant (A) | 111 | $61K |
| Feb 17, 2026 | Raia Steven P | Pres, Sp Ops & Exec Adv | Grant (A) | 534 | $291K |
| Feb 17, 2026 | Raia Steven P | Pres, Sp Ops & Exec Adv | Grant (A) | 534 | $291K |
| Feb 17, 2026 | Raia Steven P | Pres, Sp Ops & Exec Adv | Grant (A) | 712 | $388K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 208 funds | $57.7B |
| MICROSOFT CORPMSFT | 206 funds | $79.2B |
| BROADCOM INCAVGO | 206 funds | $42.9B |
| ALPHABET INC-CL AGOOGL | 205 funds | $54.2B |
| META PLATFORMS INC-CLASS AMETA | 205 funds | $35.1B |
| NVIDIA CORPNVDA | 203 funds | $116.0B |
| JPMORGAN CHASE & COJPM | 203 funds | $25.2B |
| ELI LILLY & COLLY | 201 funds | $20.0B |
| VISA INC-CLASS A SHARESV | 201 funds | $16.4B |
| MASTERCARD INC - AMA | 201 funds | $13.6B |
| APPLE INCAAPL | 200 funds | $93.1B |
| ALPHABET INC-CL CGOOG | 198 funds | $33.3B |
Ranked by how many of BLD'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 BLD. 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.