← The NASDAQ 100 dashboard
2026-08-26 · session in progress, unofficial until close

Alnylam Pharmaceuticals, Inc. (ALNY) and the market

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

How much did ALNY move each index today?

NASDAQ 100: ALNY moved +0.60% and contributed +0.1 points against the index's −85.2-point move, offsetting 0% of it, ranking #65 of 102 members by contribution to the move.

XBI: ALNY moved +0.60% and contributed +0.01 points against the index's −1.00-point move, offsetting 1% of it, ranking #121 of 147 members by contribution to the move.

ALNY closed the 2026-08-25 session at 240.08; that day's move sits in the 80th percentile of its own past year. The stock is 51.1% below its 52-week closing high and −39.6% for the year so far.

ALNY in the NASDAQ 100 beyond today

windowALNY returnpoints contributedindex moverank
1 week+5.02%+3.3 pts−281.7 pts#70 of 102
1 month−13.76%−4.3 pts+1,170.0 pts#72 of 102
quarter to date−20.25%−4.7 pts−1,067.1 pts#33 of 102
year to date−39.63%−20.0 pts+3,959.4 pts#90 of 102

Who moved with and against ALNY today?

On ALNY's side of the NASDAQ 100 tape: AAPL (+28.9 pts), MSFT (+15.4 pts), META (+12.6 pts). Pulling the other way: NVDA (−48.1 pts), GOOGL (−42.8 pts), GOOG (−40.2 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/ALNY, free to cite with attribution.

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