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/XENE/capital-change-brief"
Use Arkolith's capital_change_brief for XENE. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | $629.1M | 10.8M | ▲+21% Added · +1.9M sh | Q1 2026 | |
| 2 | Avoro Capital Advisors LLC | $336.0M | 5.8M | ▲+6.5% Added · +353K sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $328.0M | 5.6M | ▲+11% Added · +540K sh | Q1 2026 | |
| 4 | Polar Capital Holdings Plc | $256.2M | 4.4M | ▲+79% Added · +1.9M sh | Q1 2026 | |
| 5 | JANUS HENDERSON GROUP PLC | $242.9M | 4.2M | ▲+2.3% Added · +92K sh | Q1 2026 | |
| 6 | CITADEL ADVISORS LLC | $154.3M | 2.7M | ▲+101% Added · +1.3M sh | Q1 2026 | |
| 7 | JPMORGAN CHASE & CO | $106.9M | 1.9M | ▲+29% Added · +430K sh | Q1 2026 | |
| 8 | STATE STREET CORP | $100.0M | 1.7M | ▲+15% Added · +228K sh | Q1 2026 | |
| 9 | Affinity Asset Advisors, LLC | $97.4M | 1.7M | ▲+34% Added · +425K sh | Q1 2026 | |
| 10 | DEERFIELD MANAGEMENT COMPANY, L.P. | $94.0M | 1.6M | ▲+198% Added · +1.1M sh | Q1 2026 | |
| 11 | Holocene Advisors, LP | $88.3M | 1.5M | ▲+18% Added · +237K sh | Q1 2026 | |
| 12 | ALLIANCEBERNSTEIN L.P. | $62.9M | 1.4M | ▼−12% Reduced · −191K sh | Q1 2026 | |
| 13 | WESTFIELD CAPITAL MANAGEMENT CO LP | $81.5M | 1.4M | ▲+14% Added · +175K sh | Q1 2026 | |
| 14 | Caligan Partners LP | $81.0M | 1.4M | ▲+153% Added · +843K sh | Q1 2026 | |
| 15 | BNP Paribas Asset Management Holding S.A. | $78.0M | 1.3M | ▲+27% Added · +282K sh | Q1 2026 | |
| 16 | BRAIDWELL LP | $77.8M | 1.3M | ▼−27% Reduced · −487K sh | Q1 2026 | |
| 17 | PRICE T ROWE ASSOCIATES INC /MD/ | $77.3M | 1.3M | ▲+54% Added · +467K sh | Q1 2026 | |
| 18 | JENNISON ASSOCIATES LLC | $76.7M | 1.3M | ▲+2.1% Added · +27K sh | Q1 2026 | |
| 19 | Siren, L.L.C. | $76.7M | 1.3M | ▲+62% Added · +506K sh | Q1 2026 | |
| 20 | Alyeska Investment Group, L.P. | $75.6M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 21 | FRANKLIN RESOURCES INC | $74.5M | 1.3M | ▲+69% Added · +523K sh | Q1 2026 | |
| 22 | GEODE CAPITAL MANAGEMENT, LLC | $63.5M | 1.1M | ▲+15% Added · +140K sh | Q1 2026 | |
| 23 | ORBIMED ADVISORS LLC | $61.6M | 1.1M | ▲+137% Added · +613K sh | Q1 2026 | |
| 24 | FEDERATED HERMES, INC. | $56.5M | 972K | ▲+45% Added · +300K sh | Q1 2026 | |
| 25 | T. Rowe Price Investment Management, Inc. | Withheld | 952K | ▲+74% Added · +404K 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 5, 2026 | PATOU GARY | Director | Sell (S) | 1K | $70K |
| Jun 5, 2026 | Cannon Gillian | Director | Sell (S) | 1K | $63K |
| Jun 3, 2026 | PATOU GARY | Director | Grant (A) | 11K | $0 |
| Jun 3, 2026 | PATOU GARY | Director | Grant (A) | 2K | $0 |
| Jun 3, 2026 | Machado Patrick | Director | Grant (A) | 11K | $0 |
| Jun 3, 2026 | Machado Patrick | Director | Grant (A) | 2K | $0 |
| Jun 3, 2026 | Gover Justin D. | Director | Grant (A) | 11K | $0 |
| Jun 3, 2026 | Gover Justin D. | Director | Grant (A) | 2K | $0 |
| Jun 3, 2026 | GAROFALO ELIZABETH A. | Director | Grant (A) | 11K | $0 |
| Jun 3, 2026 | GAROFALO ELIZABETH A. | Director | Grant (A) | 2K | $0 |
| Jun 3, 2026 | GANNON STEVEN | Director | Grant (A) | 11K | $0 |
| Jun 3, 2026 | GANNON STEVEN | Director | Grant (A) | 2K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 84 funds | $11.1B |
| INTUITIVE SURGICAL INCISRG | 82 funds | $3.9B |
| BOSTON SCIENTIFIC CORPBSX | 82 funds | $2.7B |
| AMAZON.COM INCAMZN | 80 funds | $30.9B |
| ALPHABET INC-CL AGOOGL | 80 funds | $27.2B |
| MICROSOFT CORPMSFT | 79 funds | $37.8B |
| BROADCOM INCAVGO | 79 funds | $20.6B |
| META PLATFORMS INC-CLASS AMETA | 79 funds | $17.6B |
| DANAHER CORPDHR | 78 funds | $2.9B |
| NVIDIA CORPNVDA | 77 funds | $57.1B |
| MICRON TECHNOLOGY INCMU | 77 funds | $8.5B |
| GILEAD SCIENCES INCGILD | 77 funds | $3.5B |
Ranked by how many of XENE'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 XENE. 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.