How much did ANNX move each index today?
XBI: ANNX moved −1.56% and contributed −0.01 points of the index's −0.71-point move (1% of it), ranking #53 of 147 members by contribution to the move.
ANNX closed the 2026-08-25 session at 5.15; that day's move sits in the 69th percentile of its own past year. The stock is 26.0% below its 52-week closing high and +2.6% for the year so far.
ANNX in the XBI beyond today
| window | ANNX return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | −2.46% | −0.01 pts | +9.00 pts | #118 of 147 |
| 1 month | +0.39% | +0.00 pts | +18.53 pts | #113 of 147 |
| quarter to date | −9.81% | +0.01 pts | +10.87 pts | #83 of 147 |
| year to date | +2.59% | +0.21 pts | +47.19 pts | #72 of 147 |
Who moved with and against ANNX today?
On ANNX's side of the XBI tape: MRNA (−0.36 pts), SYRE (−0.29 pts), RLAY (−0.10 pts). Pulling the other way: BHVN (+0.16 pts), ERAS (+0.12 pts), SMMT (+0.11 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/ANNX, free to cite with attribution.