How much did ILMN move each index today?
ARKK: ILMN moved +0.51% and contributed +0.01 points against the index's −1.14-point move, offsetting 0% of it, ranking #34 of 42 members by contribution to the move.
ILMN closed the 2026-08-25 session at 224.99; that day's move sits in the 60th percentile of its own past year. The stock is at its 52-week closing high and +71.5% for the year so far.
ILMN in the ARKK beyond today
| window | ILMN return | points contributed | index move | rank |
|---|---|---|---|---|
| 1 week | +19.49% | +0.15 pts | +7.28 pts | #14 of 43 |
| 1 month | +18.75% | +0.13 pts | +13.90 pts | #24 of 43 |
| quarter to date | +27.96% | +0.23 pts | +5.61 pts | #14 of 43 |
| year to date | +71.54% | +0.42 pts | +9.51 pts | #12 of 43 |
Who moved with and against ILMN today?
On ILMN's side of the ARKK tape: META (+0.03 pts), TWST (+0.03 pts), NET (+0.03 pts). Pulling the other way: CRCL (−0.18 pts), CRSP (−0.17 pts), COIN (−0.15 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/ILMN, free to cite with attribution.