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

PACIFIC BIOSCIENCES OF CALIF (PACB) and the market

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

How much did PACB move each index today?

ARKK: PACB moved +3.62% and contributed +0.01 points against the index's −0.65-point move, offsetting 1% of it, ranking #31 of 42 members by contribution to the move.

PACB closed the 2026-08-25 session at 1.52; that day's move sits in the 99th percentile of its own past year. The stock is 43.1% below its 52-week closing high and −18.7% for the year so far.

PACB in the ARKK beyond today

windowPACB returnpoints contributedindex moverank
1 week+33.33%+0.06 pts+7.28 pts#19 of 43
1 month+11.76%+0.02 pts+13.90 pts#33 of 43
quarter to date−9.52%−0.01 pts+5.61 pts#30 of 43
year to date−18.72%−0.01 pts+9.51 pts#28 of 43

Who moved with and against PACB today?

On PACB's side of the ARKK tape: PLTR (+0.08 pts), BLSH (+0.06 pts), SPCX (+0.06 pts). Pulling the other way: COIN (−0.12 pts), CRSP (−0.12 pts), CRCL (−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/PACB, free to cite with attribution.

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