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/XNCR/capital-change-brief"
Use Arkolith's capital_change_brief for XNCR. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $157.2M | 13.0M | ▲+9.3% Added · +1.1M sh | Q1 2026 | |
| 2 | PRIMECAP MANAGEMENT CO/CA/ | $124.7M | 10.3M | ▲+1.2% Added · +120K sh | Q1 2026 | |
| 3 | BVF INC/IL | $86.0M | 7.1M | —Held | Q1 2026 | |
| 4 | RTW INVESTMENTS, LP | $81.7M | 6.8M | —Held | Q1 2026 | |
| 5 | RA CAPITAL MANAGEMENT, L.P. | $59.1M | 4.9M | ▲New +4.9M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $52.5M | 4.4M | ▼−3.4% Reduced · −155K sh | Q1 2026 | |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | $42.2M | 3.5M | ▲New +3.5M sh | Q1 2026 | |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | $37.4M | 3.1M | ▲New +3.1M sh | Q1 2026 | |
| 9 | TCG Crossover Management, LLC | $29.6M | 2.5M | —Held | Q1 2026 | |
| 10 | EcoR1 Capital, LLC | $26.3M | 2.2M | ▼−33% Reduced · −1.1M sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $21.9M | 1.8M | ▲+3.6% Added · +63K sh | Q1 2026 | |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | $18.8M | 1.6M | ▼−2.6% Reduced · −41K sh | Q1 2026 | |
| 13 | MORGAN STANLEY | $18.8M | 1.6M | ▲+3.3% Added · +50K sh | Q1 2026 | |
| 14 | DIMENSIONAL FUND ADVISORS LP | $15.6M | 1.3M | ▲+3.6% Added · +46K sh | Q1 2026 | |
| 15 | BAKER BROS. ADVISORS LP | $13.3M | 1.1M | —Held | Q1 2026 | |
| 16 | UBS Group AG | $13.1M | 1.1M | ▲+70% Added · +444K sh | Q1 2026 | |
| 17 | Legal & General Group Plc | $12.9M | 1.1M | ▼−18% Reduced · −241K sh | Q1 2026 | |
| 18 | TWO SIGMA INVESTMENTS, LP | $9.7M | 805K | ▲+200% Added · +537K sh | Q1 2026 | |
| 19 | GOLDMAN SACHS GROUP INC | $9.2M | 764K | ▲+1.4% Added · +11K sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $9.0M | 745K | ▲+10% Added · +70K sh | Q1 2026 | |
| 21 | Jefferies Financial Group Inc. | $8.7M | 720K | —Held | Q1 2026 | |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $8.4M | 697K | ▼−0.5% Reduced · −4K sh | Q1 2026 | |
| 23 | PANAGORA ASSET MANAGEMENT INC | $7.5M | 621K | ▲+6.3% Added · +37K sh | Q1 2026 | |
| 24 | MILLENNIUM MANAGEMENT LLC | $7.4M | 610K | ▲+2.6% Added · +15K sh | Q1 2026 | |
| 25 | TORONTO DOMINION BANK | $5.9M | 491K | —Held | 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 18, 2026 | Feigal Ellen | Director | Sell (S) | 7K | $89K |
| Jun 16, 2026 | Deshaies Raymond Joseph | Director | Grant (A) | 21K | $0 |
| Jun 16, 2026 | Deshaies Raymond Joseph | Director | Grant (A) | 10K | $0 |
| Jun 16, 2026 | SIMPSON TODD E | Director | Grant (A) | 21K | $0 |
| Jun 16, 2026 | SIMPSON TODD E | Director | Grant (A) | 10K | $0 |
| Jun 16, 2026 | RANIERI RICHARD J | Director | Grant (A) | 21K | $0 |
| Jun 16, 2026 | RANIERI RICHARD J | Director | Grant (A) | 10K | $0 |
| Jun 16, 2026 | Montgomery Alan Bruce | Director | Grant (A) | 21K | $0 |
| Jun 16, 2026 | Montgomery Alan Bruce | Director | Grant (A) | 10K | $0 |
| Jun 16, 2026 | Klencke Barbara | Director | Grant (A) | 21K | $0 |
| Jun 16, 2026 | Klencke Barbara | Director | Grant (A) | 10K | $0 |
| Jun 16, 2026 | GUSTAFSON KURT A | Director | Grant (A) | 21K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 62 funds | $30.8B |
| BROADCOM INCAVGO | 62 funds | $18.1B |
| ELI LILLY & COLLY | 62 funds | $7.8B |
| MICRON TECHNOLOGY INCMU | 62 funds | $7.7B |
| COSTCO WHOLESALE CORPCOST | 62 funds | $5.6B |
| BOSTON SCIENTIFIC CORPBSX | 62 funds | $2.1B |
| CUMMINS INCCMI | 62 funds | $1.3B |
| NVIDIA CORPNVDA | 61 funds | $46.4B |
| META PLATFORMS INC-CLASS AMETA | 61 funds | $14.3B |
| PALANTIR TECHNOLOGIES INC-APLTR | 61 funds | $4.8B |
| CITIGROUP INCC | 61 funds | $3.1B |
| INTUITIVE SURGICAL INCISRG | 61 funds | $2.8B |
Ranked by how many of XNCR'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 XNCR. 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.