XNCR
Xencor, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow +0.4% ·
net new positions -7.1%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 80 | +2 | 51.89M | $834.92M | +6 | −4 |
| Q1 2026 | 81 | -4 | 48.47M | $584.53M | +2 | −7 |
| Q4 2025 | 85 | +1 | 50.89M | $779.05M | +3 | −1 |
| Q3 2025 | 16 | 0 | 41.61M | $488.08M | +1 | −2 |
| Q2 2025 | 14 | -1 | 41.55M | $326.56M | — | −1 |
| Q1 2025 | 12 | +2 | 20.83M | $221.62M | +3 | −1 |
| Q4 2024 | 10 | -2 | 20.65M | $474.47M | +1 | −3 |
| Q3 2024 | 11 | -2 | 20.50M | $412.29M | — | −2 |
| Q2 2024 | 13 | — | 17.96M | $339.91M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 11.86M | — | $93.18M | 0.0% | n/c | 1 | SEC ↗ ×13 |
| 2 | PRIMECAP Management ✦ | 10.53M | +7.8% | $82.74M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 8.62M | — | $67.79M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 4 | State Street Global Advisors ✦ (passive) | 3.82M | +3.6% | $30.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 3.76M | -4.3% | $29.56M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 6 | Geode Capital Management ✦ (passive) | 1.70M | +1.8% | $13.39M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 7 | Two Sigma Investments ✦ | 439.84K | +44.1% | $3.46M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | Millennium Management ✦ | 346.93K | +484.2% | $2.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 220.27K | +276.6% | $1.73M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 10 | AQR Capital Management ✦ | 96.30K | +134.2% | $756,925 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 11 | Fidelity (FMR) ✦ | 68.33K | — | $537,046 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 12 | Renaissance Technologies ✦ | 55.60K | -63.5% | $437,016 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Norges Bank ✦ (passive) | 29.86K | -72.6% | $234,739 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | Point72 Asset Management ✦ | 1.56K | -99.8% | $12,247 | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Wellington Management | $316,816 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 202 holders, 84.29M shares, $988.19M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.