How much did IOVA move each index today?
XBI: IOVA moved +2.23% and contributed +0.03 points against the index's −0.15-point move, offsetting 19% of it, ranking #140 of 147 members by contribution to the move.
IOVA closed the 2026-08-27 session at 8.26; that day's move sits in the 70th percentile of its own past year. The stock is 8.1% below its 52-week closing high and +202.6% for the year so far.
IOVA in the XBI beyond today
| window | IOVA return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −8.12% | −0.16 pts | +4.86 pts | #145 of 147 |
| 1 month | +81.14% | +0.78 pts | +20.33 pts | #3 of 147 |
| quarter to date | +98.56% | +0.84 pts | +9.99 pts | #3 of 147 |
| year to date | +202.56% | +1.21 pts | +46.31 pts | #10 of 147 |
Who moved with and against IOVA today?
On IOVA's side of the XBI tape: SLS (+0.13 pts), SRPT (+0.10 pts), PURR (+0.08 pts). Pulling the other way: MRNA (−0.17 pts), KYMR (−0.08 pts), VERA (−0.07 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/IOVA, free to cite with attribution.