How much did IMNM move each index today?
XBI: IMNM moved +0.42% and contributed +0.00 points against the index's −0.15-point move, offsetting 3% of it, ranking #103 of 147 members by contribution to the move.
IMNM closed the 2026-08-27 session at 28.87; that day's move sits in the 50th percentile of its own past year. The stock is 3.2% below its 52-week closing high and +34.4% for the year so far.
IMNM in the XBI beyond today
| window | IMNM return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +2.81% | +0.04 pts | +4.86 pts | #55 of 147 |
| 1 month | +24.92% | +0.26 pts | +20.33 pts | #25 of 147 |
| quarter to date | +36.24% | +0.38 pts | +9.99 pts | #9 of 147 |
| year to date | +34.40% | +0.45 pts | +46.31 pts | #37 of 147 |
Who moved with and against IMNM today?
On IMNM'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/IMNM, free to cite with attribution.