How much did IMVT move each index today?
XBI: IMVT moved +0.42% and contributed +0.01 points of the index's +4.95-point move (0% of it), ranking #115 of 147 members by contribution to the move.
IMVT closed the 2026-08-25 session at 43.50; that day's move sits in the 56th percentile of its own past year. The stock is 3.2% below its 52-week closing high and +71.1% for the year so far.
IMVT in the XBI beyond today
| window | IMVT return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −1.81% | −0.03 pts | +9.00 pts | #132 of 147 |
| 1 month | +8.51% | +0.13 pts | +18.53 pts | #55 of 147 |
| quarter to date | +12.90% | +0.21 pts | +10.87 pts | #32 of 147 |
| year to date | +71.13% | +0.85 pts | +47.19 pts | #23 of 147 |
Who moved with and against IMVT today?
On IMVT's side of the XBI tape: MRNA (+0.60 pts), TWST (+0.23 pts), BEAM (+0.13 pts). Pulling the other way: PTGX (−0.06 pts), SLS (−0.03 pts), PCVX (−0.03 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/IMVT, free to cite with attribution.