How much did KYMR move each index today?
XBI: KYMR moved −0.82% and contributed −0.02 points of the index's −0.70-point move (3% of it), ranking #30 of 147 members by contribution to the move.
KYMR closed the 2026-08-25 session at 126.64; that day's move sits in the 92th percentile of its own past year. The stock is 0.5% below its 52-week closing high and +62.8% for the year so far.
KYMR in the XBI beyond today
| window | KYMR return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +4.33% | +0.10 pts | +9.00 pts | #21 of 147 |
| 1 month | +15.07% | +0.29 pts | +18.53 pts | #20 of 147 |
| quarter to date | +10.44% | +0.22 pts | +10.87 pts | #29 of 147 |
| year to date | +62.76% | +1.23 pts | +47.19 pts | #10 of 147 |
Who moved with and against KYMR today?
On KYMR's side of the XBI tape: SYRE (−0.28 pts), MRNA (−0.27 pts), RLAY (−0.10 pts). Pulling the other way: ERAS (+0.16 pts), BHVN (+0.15 pts), SMMT (+0.09 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/KYMR, free to cite with attribution.