This ETF 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/XBI/capital-change-brief"
Use Arkolith's capital_change_brief for XBI. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BNP PARIBAS FINANCIAL MARKETS | $2.7B | 21.2M | ▲+28% Added · +4.6M sh | Q1 2026 | |
| 2 | BANK OF AMERICA CORP /DE/ | $1.9B | 14.5M | ▲+13% Added · +1.7M sh | Q1 2026 | |
| 3 | GOLDMAN SACHS GROUP INC | $1.8B | 13.7M | ▼−31% Reduced · −6.2M sh | Q1 2026 | |
| 4 | MORGAN STANLEY | $1.6B | 12.3M | ▲+7.3% Added · +840K sh | Q1 2026 | |
| 5 | CITIGROUP INC | $1.4B | 10.7M | ▼−15% Reduced · −1.9M sh | Q1 2026 | |
| 6 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $1.2B | 9.7M | ▼−23% Reduced · −2.8M sh | Q1 2026 | |
| 7 | JPMORGAN CHASE & CO | $740.2M | 6.2M | ▲+91% Added · +3.0M sh | Q1 2026 | |
| 8 | UBS Group AG | $453.0M | 3.5M | ▲+19% Added · +570K sh | Q1 2026 | |
| 9 | BARCLAYS PLC | $362.0M | 2.8M | ▲+50% Added · +944K sh | Q1 2026 | |
| 10 | WELLS FARGO & COMPANY/MN | $350.8M | 2.7M | ▼−23% Reduced · −820K sh | Q1 2026 | |
| 11 | Jefferies Financial Group Inc. | $295.7M | 2.3M | ▲+35% Added · +600K sh | Q1 2026 | |
| 12 | CANADA PENSION PLAN INVESTMENT BOARD | $224.5M | 1.8M | —Held | Q1 2026 | |
| 13 | D. E. Shaw & Co., Inc. | $174.7M | 1.4M | ▲+85% Added · +630K sh | Q1 2026 | |
| 14 | BANK OF MONTREAL /CAN/ | $106.6M | 835K | ▲+413% Added · +672K sh | Q1 2026 | |
| 15 | MEITAV INVESTMENT HOUSE LTD | $103.4M | 810K | ▼−16% Reduced · −160K sh | Q1 2026 | |
| 16 | AMERIPRISE FINANCIAL INC | $102.4M | 802K | ▲+18% Added · +123K sh | Q1 2026 | |
| 17 | LPL Financial LLC | $101.2M | 793K | ▼−9.5% Reduced · −83K sh | Q1 2026 | |
| 18 | HSBC HOLDINGS PLC | $92.6M | 726K | ▲+14% Added · +87K sh | Q1 2026 | |
| 19 | Greenhouse Funds LLLP | $83.1M | 651K | ▼−5.3% Reduced · −37K sh | Q1 2026 | |
| 20 | ASSETMARK, INC | $79.6M | 623K | ▼−2.0% Reduced · −13K sh | Q1 2026 | |
| 21 | PSP Research LLC | $90.2M | 570K | ▲+100% Added · +285K sh | Q2 2026 | |
| 22 | Main Street Research LLC | $72.5M | 567K | ▲+57% Added · +207K sh | Q1 2026 | |
| 23 | ROYAL BANK OF CANADA | $65.2M | 510K | ▲+3.8% Added · +18K sh | Q1 2026 | |
| 24 | NATIXIS | $62.4M | 489K | ▼−0.9% Reduced · −4K sh | Q1 2026 | |
| 25 | Quadrature Capital Ltd | $61.8M | 484K | ▲+22% Added · +88K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 217 funds | $105.9B |
| AMAZON.COM INCAMZN | 216 funds | $73.4B |
| NVIDIA CORPNVDA | 215 funds | $131.8B |
| META PLATFORMS INC-CLASS AMETA | 214 funds | $38.6B |
| MICROSOFT CORPMSFT | 213 funds | $99.9B |
| BROADCOM INCAVGO | 213 funds | $53.2B |
| JPMORGAN CHASE & COJPM | 213 funds | $30.2B |
| ALPHABET INC-CL AGOOGL | 212 funds | $65.4B |
| ALPHABET INC-CL CGOOG | 211 funds | $40.8B |
| VISA INC-CLASS A SHARESV | 210 funds | $23.1B |
| ELI LILLY & COLLY | 208 funds | $26.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 208 funds | $17.6B |
Ranked by how many of XBI'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 + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for XBI. 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.