How much did INSM move each index today?
XBI: INSM moved −0.87% and contributed −0.02 points of the index's −1.40-point move (1% of it), ranking #30 of 147 members by contribution to the move.
INSM closed the 2026-08-25 session at 123.89; that day's move sits in the 48th percentile of its own past year. The stock is 41.4% below its 52-week closing high and −28.8% for the year so far.
INSM in the XBI beyond today
| window | INSM return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −3.56% | −0.08 pts | +9.00 pts | #145 of 147 |
| 1 month | +18.29% | +0.30 pts | +18.53 pts | #19 of 147 |
| quarter to date | +16.20% | +0.21 pts | +10.87 pts | #33 of 147 |
| year to date | −28.82% | −0.96 pts | +47.19 pts | #146 of 147 |
Who moved with and against INSM today?
On INSM's side of the XBI tape: MRNA (−0.30 pts), SYRE (−0.29 pts), RLAY (−0.10 pts). Pulling the other way: ERAS (+0.13 pts), SMMT (+0.09 pts), SRRK (+0.09 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.