How much did SRRK move each index today?
XBI: SRRK moved −1.30% and contributed −0.02 points of the index's −0.15-point move (13% of it), ranking #14 of 147 members by contribution to the move.
SRRK closed the 2026-08-27 session at 59.26; that day's move sits in the 32th percentile of its own past year. The stock is 1.3% below its 52-week closing high and +34.5% for the year so far.
SRRK in the XBI beyond today
| window | SRRK return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +7.26% | +0.14 pts | +4.86 pts | #12 of 147 |
| 1 month | +20.79% | +0.34 pts | +20.33 pts | #16 of 147 |
| quarter to date | +7.75% | +0.15 pts | +9.99 pts | #37 of 147 |
| year to date | +34.53% | +0.73 pts | +46.31 pts | #23 of 147 |
Who moved with and against SRRK today?
On SRRK'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/SRRK, free to cite with attribution.