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 BFS 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/BFS"
Use Arkolith to show who owns BFS, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $68.8M | 2.1M | ▼−1.8% Reduced · −38K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $62.0M | 2.0M | ▲+3.0% Added · +57K sh | Q4 2025 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $42.9M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $23.9M | 735K | ▼−0.7% Reduced · −5K sh | Q1 2026 | |
| 5 | PRINCIPAL FINANCIAL GROUP INC | $19.5M | 599K | ▼−1.2% Reduced · −7K sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $19.0M | 583K | ▲New +583K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $16.9M | 519K | ▲+5.4% Added · +27K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $10.9M | 336K | ▲+2.8% Added · +9K sh | Q1 2026 | |
| 9 | MORGAN STANLEY | $8.6M | 263K | ▲+18% Added · +41K sh | Q1 2026 | |
| 10 | AMERIPRISE FINANCIAL INC | $6.9M | 211K | ▼−15% Reduced · −39K sh | Q1 2026 | |
| 11 | Man Group plc | $6.8M | 209K | ▲+60% Added · +78K sh | Q1 2026 | |
| 12 | DIMENSIONAL FUND ADVISORS LP | $6.6M | 202K | ▲+0.7% Added · +1K sh | Q1 2026 | |
| 13 | RENAISSANCE TECHNOLOGIES LLC | $6.1M | 186K | ▼−17% Reduced · −39K sh | Q1 2026 | |
| 14 | NORTHERN TRUST CORP | $4.9M | 149K | ▲+7.8% Added · +11K sh | Q1 2026 | |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $4.4M | 134K | ▲+13% Added · +16K sh | Q1 2026 | |
| 16 | Bank of New York Mellon Corp | $3.8M | 116K | ▼−3.0% Reduced · −4K sh | Q1 2026 | |
| 17 | CARY STREET PARTNERS FINANCIAL LLC | $3.0M | 92K | ▼−0.1% Reduced · −50 sh | Q1 2026 | |
| 18 | JPMORGAN CHASE & CO | $2.9M | 88K | ▲+0.5% Added · +419 sh | Q1 2026 | |
| 19 | VANGUARD FIDUCIARY TRUST CO | $2.8M | 87K | ▲New +87K sh | Q1 2026 | |
| 20 | GOLDMAN SACHS GROUP INC | $2.6M | 80K | ▼−9.9% Reduced · −9K sh | Q1 2026 | |
| 21 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $2.6M | 80K | ▲+6.9% Added · +5K sh | Q1 2026 | |
| 22 | MILLENNIUM MANAGEMENT LLC | $2.3M | 70K | ▼−42% Reduced · −50K sh | Q1 2026 | |
| 23 | TWO SIGMA INVESTMENTS, LP | $1.9M | 57K | ▲+106% Added · +29K sh | Q1 2026 | |
| 24 | BROWN ADVISORY INC | $1.7M | 53K | ▼−1.9% Reduced · −1K sh | Q1 2026 | |
| 25 | WELLS FARGO & COMPANY/MN | $1.7M | 51K | ▼−16% Reduced · −10K 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 |
|---|---|---|---|---|---|
| Mar 11, 2026 | Collich John | Sr. VP, Chief Acq. & Dev. Off. | Option exercise (M) | 300 | $0 |
| Mar 11, 2026 | Heard Carlos Lawrence | Senior Vice President & CFO | Grant (A) | 400 | $0 |
| Mar 11, 2026 | Heard Carlos Lawrence | Senior Vice President & CFO | Option exercise (M) | 400 | $0 |
| Mar 11, 2026 | Heard Carlos Lawrence | Senior Vice President & CFO | Option exercise (M) | 400 | $0 |
| Mar 11, 2026 | Friedlis Zachary Maxwell | Sr. VP-Director of Leasing | Option exercise (M) | 600 | $0 |
| Mar 11, 2026 | Friedlis Zachary Maxwell | Sr. VP-Director of Leasing | Grant (A) | 300 | $0 |
| Mar 11, 2026 | Friedlis Zachary Maxwell | Sr. VP-Director of Leasing | Option exercise (M) | 300 | $0 |
| Mar 11, 2026 | Friedlis Zachary Maxwell | Sr. VP-Director of Leasing | Option exercise (M) | 300 | $0 |
| Mar 11, 2026 | Laycock Willoughby B. | SVP-Res. Design/Mrkt Research, Director | Option exercise (M) | 200 | $0 |
| Mar 11, 2026 | Laycock Willoughby B. | SVP-Res. Design/Mrkt Research, Director | Grant (A) | 100 | $0 |
| Mar 11, 2026 | Laycock Willoughby B. | SVP-Res. Design/Mrkt Research, Director | Option exercise (M) | 100 | $0 |
| Mar 11, 2026 | Laycock Willoughby B. | SVP-Res. Design/Mrkt Research, Director | Option exercise (M) | 100 | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 42 funds | $31.8B |
| MICROSOFT CORPMSFT | 42 funds | $26.1B |
| AMAZON.COM INCAMZN | 42 funds | $18.6B |
| BROADCOM INCAVGO | 42 funds | $14.2B |
| ALPHABET INC-CL CGOOG | 42 funds | $12.4B |
| JPMORGAN CHASE & COJPM | 42 funds | $7.5B |
| TESLA INCTSLA | 42 funds | $7.5B |
| ELI LILLY & COLLY | 42 funds | $6.1B |
| MICRON TECHNOLOGY INCMU | 42 funds | $5.3B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 42 funds | $5.3B |
| COSTCO WHOLESALE CORPCOST | 42 funds | $4.6B |
| EXXON MOBIL CORPXOM | 42 funds | $4.4B |
Ranked by how many of BFS'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 BFS. 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.