Who Owns XENCOR INC (XNCR)? -- Institutional Holders (2026-03-31)
228 institutions reported holding $1.02B of XENCOR INC (XNCR) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($157.2M), PRIMECAP MANAGEMENT CO/CA/ ($124.7M), BVF INC/IL ($86.0M), RTW INVESTMENTS, LP ($81.7M), RA CAPITAL MANAGEMENT, L.P. ($59.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $157.2M | 13.0M | Added |
| 2 | PRIMECAP MANAGEMENT CO/CA/ | $124.7M | 10.3M | Added |
| 3 | BVF INC/IL | $86.0M | 7.1M | Hold |
| 4 | RTW INVESTMENTS, LP | $81.7M | 6.8M | Hold |
| 5 | RA CAPITAL MANAGEMENT, L.P. | $59.1M | 4.9M | New |
| 6 | STATE STREET CORP | $52.5M | 4.4M | Trimmed |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | $42.2M | 3.5M | New |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | $37.4M | 3.1M | New |
| 9 | TCG Crossover Management, LLC | $29.6M | 2.5M | Hold |
| 10 | EcoR1 Capital, LLC | $26.3M | 2.2M | Trimmed |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $21.9M | 1.8M | Added |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | $18.8M | 1.6M | Trimmed |
| 13 | MORGAN STANLEY | $18.8M | 1.6M | Added |
| 14 | DIMENSIONAL FUND ADVISORS LP | $15.6M | 1.3M | Added |
| 15 | BAKER BROS. ADVISORS LP | $13.3M | 1.1M | Hold |
| 16 | UBS Group AG | $13.1M | 1.1M | Added |
| 17 | Legal & General Group Plc | $12.9M | 1.1M | Trimmed |
| 18 | TWO SIGMA INVESTMENTS, LP | $9.7M | 805,421 | Added |
| 19 | GOLDMAN SACHS GROUP INC | $9.2M | 763,793 | Added |
| 20 | JOHNSON & JOHNSON | $9.0M | 748,062 | Hold |
| 21 | NORTHERN TRUST CORP | $9.0M | 744,519 | Added |
| 22 | Jefferies Financial Group Inc. | $8.7M | 720,440 | Hold |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $8.4M | 696,854 | Trimmed |
| 24 | PANAGORA ASSET MANAGEMENT INC | $7.5M | 620,756 | Added |
| 25 | MILLENNIUM MANAGEMENT LLC | $7.4M | 609,788 | Added |
Source: SEC Form 13F filings · as of 2026-03-31