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2026-08-26 · session in progress, unofficial until close

REGENXBIO INC (RGNX) and the market

Exact index points RGNX contributed this session, under each index's own arithmetic, verified against official closes. New here? Read point contribution, explained.

How much did RGNX move each index today?

XBI: RGNX moved +2.02% and contributed +0.00 points against the index's −1.41-point move, offsetting 0% of it, ranking #121 of 147 members by contribution to the move.

RGNX closed the 2026-08-25 session at 8.91; that day's move sits in the 96th percentile of its own past year. The stock is 44.2% below its 52-week closing high and −38.1% for the year so far.

RGNX in the XBI beyond today

windowRGNX returnpoints contributedindex moverank
1 week−19.51%−0.06 pts+9.00 pts#141 of 147
1 month−8.24%−0.02 pts+18.53 pts#117 of 147
quarter to date−25.63%−0.01 pts+10.87 pts#89 of 147
year to date−38.13%+0.02 pts+47.19 pts#110 of 147

Who moved with and against RGNX today?

On RGNX's side of the XBI tape: ERAS (+0.13 pts), SMMT (+0.09 pts), SRRK (+0.09 pts). Pulling the other way: MRNA (−0.31 pts), SYRE (−0.29 pts), RLAY (−0.10 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/RGNX, free to cite with attribution.

Compiled by the WMTMT attribution engine · updates every session · methodology