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/BNTC/capital-change-brief"
Use Arkolith's capital_change_brief for BNTC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | SUVRETTA CAPITAL MANAGEMENT, LLC | $123.0M | 11.5M | —Held | Q1 2026 | |
| 2 | JANUS HENDERSON GROUP PLC | $30.7M | 2.9M | ▼−1.2% Reduced · −35K sh | Q1 2026 | |
| 3 | FRANKLIN RESOURCES INC | $25.3M | 2.4M | ▲+8.2% Added · +181K sh | Q1 2026 | |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $22.6M | 2.1M | —Held | Q1 2026 | |
| 5 | RA CAPITAL MANAGEMENT, L.P. | $19.7M | 1.9M | —Held | Q1 2026 | |
| 6 | Nantahala Capital Management, LLC | $15.3M | 1.4M | ▲+39% Added · +400K sh | Q1 2026 | |
| 7 | BlackRock, Inc. | $12.6M | 1.2M | ▲+19% Added · +193K sh | Q1 2026 | |
| 8 | Simplify Asset Management Inc. | $13.5M | 1.0M | ▲+79% Added · +443K sh | Q2 2026 | |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | $9.9M | 932K | ▲New +932K sh | Q1 2026 | |
| 10 | INFINITUM ASSET MANAGEMENT, LLC | $9.8M | 923K | ▲+2.7% Added · +24K sh | Q1 2026 | |
| 11 | Alyeska Investment Group, L.P. | $8.0M | 750K | —Held | Q1 2026 | |
| 12 | BALYASNY ASSET MANAGEMENT L.P. | $7.0M | 654K | ▲+0.3% Added · +2K sh | Q1 2026 | |
| 13 | MILLENNIUM MANAGEMENT LLC | $6.9M | 652K | ▲+6.3% Added · +39K sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $5.6M | 524K | ▲+16% Added · +71K sh | Q1 2026 | |
| 15 | STATE STREET CORP | $3.6M | 338K | ▲+38% Added · +93K sh | Q1 2026 | |
| 16 | AMERIPRISE FINANCIAL INC | $3.4M | 318K | ▲+13% Added · +38K sh | Q1 2026 | |
| 17 | GOLDMAN SACHS GROUP INC | $2.3M | 215K | ▲+24% Added · +41K sh | Q1 2026 | |
| 18 | AWM Investment Company, Inc. | $2.0M | 188K | ▼−34% Reduced · −95K sh | Q1 2026 | |
| 19 | VANGUARD FIDUCIARY TRUST CO | $1.8M | 172K | ▲New +172K sh | Q1 2026 | |
| 20 | CITADEL ADVISORS LLC | $1.8M | 172K | ▲+877% Added · +154K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $1.7M | 157K | ▲+25% Added · +31K sh | Q1 2026 | |
| 22 | Schonfeld Strategic Advisors LLC | $1.6M | 153K | ▼−42% Reduced · −109K sh | Q1 2026 | |
| 23 | Longaeva Partners L.P. | $1.3M | 125K | ▼−57% Reduced · −165K sh | Q1 2026 | |
| 24 | Russell Investments Group, Ltd. | $1.2M | 116K | ▲19× Added · +110K sh | Q1 2026 | |
| 25 | UBS Group AG | $1.2M | 116K | ▲+18% Added · +17K 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 29, 2026 | BUCHI J KEVIN | Director | Gift (G) | 52K | $0 |
| May 26, 2026 | Friedman David Matthew | Director | Grant (A) | 35K | $0 |
| Jan 22, 2026 | Mates Sharon | Director | Grant (A) | 32K | $0 |
| Dec 29, 2025 | Cowen Aaron | Director, 10% Owner | Buy (P) | 66K | $884K |
| Dec 29, 2025 | Cowen Aaron | Director, 10% Owner | Buy (P) | 12K | $156K |
| Dec 26, 2025 | Cowen Aaron | Director, 10% Owner | Buy (P) | 14K | $188K |
| Dec 26, 2025 | Cowen Aaron | Director, 10% Owner | Buy (P) | 3K | $33K |
| Dec 23, 2025 | Cowen Aaron | Director, 10% Owner | Buy (P) | 7K | $95K |
| Dec 23, 2025 | Cowen Aaron | Director, 10% Owner | Buy (P) | 43K | $547K |
| Dec 22, 2025 | Averill Madison Master Fund, Ltd. | 10% Owner | Buy (P) | 17K | $201K |
| Dec 22, 2025 | Averill Madison Master Fund, Ltd. | 10% Owner | Buy (P) | 3K | $35K |
| Dec 19, 2025 | Averill Madison Master Fund, Ltd. | 10% Owner | Buy (P) | 2K | $28K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 18 funds | $4.7B |
| MICROSOFT CORPMSFT | 18 funds | $3.9B |
| TESLA INCTSLA | 18 funds | $1.8B |
| INTUITIVE SURGICAL INCISRG | 18 funds | $1.0B |
| UNITEDHEALTH GROUP INCUNH | 18 funds | $949.2M |
| BOSTON SCIENTIFIC CORPBSX | 18 funds | $464.4M |
| SERVICENOW INCNOW | 18 funds | $429.0M |
| DATADOG INC - CLASS ADDOG | 18 funds | $407.1M |
| FULCRUM THERAPEUTICS INCFULC | 18 funds | $160.1M |
| MICRON TECHNOLOGY INCMU | 17 funds | $2.9B |
| META PLATFORMS INC-CLASS AMETA | 17 funds | $2.8B |
| BROADCOM INCAVGO | 17 funds | $2.3B |
Ranked by how many of BNTC'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 BNTC. 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.