Xencor, Inc. (XNCR) ownership: insiders 2% · institutions 108% · index and ETF funds 10% (13F 2026-03-31). Insider activity, 90 days: Routine (5 sales, 0 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 13035918.00 | $157.21M | 17.6% | 2026-03-31 |
| Primecap Management Co | 10338022.00 | $124.68M | 13.9% | 2026-03-31 |
| Vanguard | 7146949.00 | $86.19M | 9.6% | 2026-03-31 |
| BVF Inc/il | 7133720.00 | $86.03M | 9.6% | 2026-03-31 |
| RTW Investments, LP | 6777461.00 | $81.74M | 9.1% | 2026-03-31 |
| RA Capital Management, L.P. | 4897237.00 | $59.06M | 6.6% | 2026-03-31 |
| State Street | 4352036.00 | $52.49M | 5.9% | 2026-03-31 |
| TCG Crossover Management, LLC | 2452138.00 | $29.57M | 3.3% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.