How much did INSM move each index today?
XBI: INSM moved +0.12% and contributed +0.00 points of the index's +4.46-point move (0% of it), ranking #107 of 154 members by contribution to the move.
INSM closed the 2026-10-09 session at 100.60; that day's move sits in the 56th percentile of its own past year. The stock is 52.4% below its 52-week closing high and −42.2% for the year so far.
INSM in the XBI beyond today
| window | INSM return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −9.47% | −0.20 pts | −0.68 pts | #3 of 157 |
| 1 month | −20.96% | −0.44 pts | −3.07 pts | #9 of 157 |
| quarter to date | −11.86% | −0.27 pts | −3.93 pts | #3 of 157 |
| year to date | −42.20% | −1.50 pts | +31.82 pts | #155 of 157 |
Who moved with and against INSM today?
On INSM's side of the XBI tape: MRNA (+0.45 pts), IOVA (+0.23 pts), PCVX (+0.19 pts). Pulling the other way: PRAX (−0.03 pts), MDGL (−0.02 pts), PURR (−0.02 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/INSM, free to cite with attribution.