How much did XNCR move each index today?
XBI: XNCR moved −1.02% and contributed −0.01 points of the index's −1.37-point move (1% of it), ranking #58 of 147 members by contribution to the move.
XNCR closed the 2026-08-25 session at 29.30; that day's move sits in the 59th percentile of its own past year. The stock is at its 52-week closing high and +91.4% for the year so far.
XNCR in the XBI beyond today
| window | XNCR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +15.31% | +0.12 pts | +9.00 pts | #18 of 147 |
| 1 month | +47.53% | +0.27 pts | +18.53 pts | #22 of 147 |
| quarter to date | +81.99% | +0.39 pts | +10.87 pts | #10 of 147 |
| year to date | +91.38% | +0.64 pts | +47.19 pts | #32 of 147 |
Who moved with and against XNCR today?
On XNCR's side of the XBI tape: SYRE (−0.26 pts), MRNA (−0.22 pts), RLAY (−0.10 pts). Pulling the other way: SMMT (+0.14 pts), PRAX (+0.05 pts), CAPR (+0.04 pts).
Every member's contribution, top to bottom, is on the index dashboards; the day's story is in the market-close note. Machine-readable figures for this stock: /api/stock/XNCR, free to cite with attribution.