How much did SANA move each index today?
XBI: SANA moved −1.68% and contributed −0.01 points of the index's −0.15-point move (4% of it), ranking #47 of 147 members by contribution to the move.
SANA closed the 2026-08-27 session at 4.09; that day's move sits in the 35th percentile of its own past year. The stock is 30.9% below its 52-week closing high and +0.5% for the year so far.
SANA in the XBI beyond today
| window | SANA return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +9.36% | +0.04 pts | +4.86 pts | #49 of 147 |
| 1 month | +29.02% | +0.10 pts | +20.33 pts | #64 of 147 |
| quarter to date | +17.19% | +0.06 pts | +9.99 pts | #62 of 147 |
| year to date | +0.49% | +0.04 pts | +46.31 pts | #110 of 147 |
Who moved with and against SANA today?
On SANA's side of the XBI tape: MRNA (−0.17 pts), KYMR (−0.08 pts), VERA (−0.07 pts). Pulling the other way: SLS (+0.13 pts), SRPT (+0.10 pts), PURR (+0.08 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/SANA, free to cite with attribution.