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WHAT MOVED THE MARKET TODAY

ARK Innovation ETF

43 stocks · cap-weighted, ETF-derived weights · Aug 25, 2026 close
86.43
+13.90 (+19.16%)
ARKK 86.43 · +13.9 pts (+19.16%) 1M
87.5583.0078.4573.9069.35EW +16.57%H 86.43 · Aug 25L 70.58 · Jul 29
Jul 27Aug 3Aug 11Aug 18Aug 25
Breadth
34 / 43
stocks rose with the index
Concentration
32%
of the gain from TEM, TWST, CRCL
Biggest driver
TEM +1.85
TEMPUS AI INC-CL A, +60.17%
Biggest drag
VCYT −0.25
VERACYTE INC, −20.81%

What drove it

43 members · drivers first · 1M · residual 119.5bp exceeds 60bp gate

The ARKK rose 19.16% (+13.90 pts) on the month in a broad advance: 34 of 43 stocks rose, with TEM out front at +1.85 points.

Read the latest market-close note: Nvidia and Goldman Sachs Lead a Narrow Advance as Energy and Staples Slide

+14.6 pts from 35 gainers0.7 pts from 8 losers
net +13.9 pts · gainers outweigh losers 21.5 to 1
Stock
Points
Return
ARKKsum of all 43 stocks
+13.9
100%
+19.16%
TEMTEMPUS AI INC-CL A
+1.8
13%
+60.17%
TWSTTWIST BIOSCIENCE CORP
+1.4
10%
+74.97%
CRCLCIRCLE INTERNET GROUP INC
+1.2
9%
+40.16%
TSLATESLA INC
+1.1
8%
+13.27%
CRSPCRISPR THERAPEUTICS AG
+1.0
7%
+30.32%
SPCXSPACE EXPLORATION TECHN-CL A
+1.0
7%
+21.54%
PLTRPALANTIR TECHNOLOGIES INC-A
+0.8
6%
+31.32%
TXG10X GENOMICS INC-CLASS A
+0.7
5%
+40.94%
HOODROBINHOOD MARKETS INC - A
+0.6
4%
+17.19%
AMZNAMAZON.COM INC
+0.5
3%
+12.82%
BLSHBULLISH
+0.5
3%
+40.44%
SHOPSHOPIFY INC - CLASS A
+0.4
3%
+21.28%
BMNRBITMINE IMMERSION TECHNOLOGI
+0.4
3%
+38.48%
BEAMBEAM THERAPEUTICS INC
+0.4
3%
+23.77%
CRWVCOREWEAVE INC-CL A
+0.4
3%
+24.37%
13 othersclick to expand the full index
+2.3
16%
·
NETCLOUDFLARE INC - CLASS A
+0.1
0%
+4.49%
GOOGLALPHABET INC-CL A
+0.0
0%
+6.25%
TSMTAIWAN SEMICONDUCTOR-SP ADR
+0.0
0%
+4.58%
XYZBLOCK INC
+0.0
0%
+1.81%
PACBPACIFIC BIOSCIENCES OF CALIF
+0.0
0%
+11.76%
LLYELI LILLY & CO
+0.0
0%
+3.17%
AMDADVANCED MICRO DEVICES
+0.0
0%
−3.19%
METAMETA PLATFORMS INC-CLASS A
−0.0
0%
−4.01%
ARKYARK ACTIVE AUTOCALL INC ETF
−0.0
0%
−3.11%
RBLXROBLOX CORP -CLASS A
−0.0
0%
−19.21%
CERSCERUS CORP
−0.1
−1%
−11.40%
AVGOBROADCOM INC
−0.1
−1%
−6.91%
BWXTBWX TECHNOLOGIES INC
−0.1
−1%
−15.07%
CBRSCEREBRAS SYSTEMS INC - A
−0.2
−1%
−2.49%
VCYTVERACYTE INC
−0.3
−2%
−20.81%
Cap weighting, illustrated

TESLA INC and PACIFIC BIOSCIENCES OF CALIF moved almost identically (+13.27% vs +11.76%), yet TSLA moved the ARKK 51.5× as much. In a cap-weighted index, the bigger company's weight turns the same percentage move into far more points.

Attribution map

slicing the +13.90 pt move · cell size = points contributed · color = direction, intensity = return
TEM+1.8 pts(+60.2%)
TWST+1.4 pts(+75.0%)
CRCL+1.2 pts(+40.2%)
TSLA+1.1 pts(+13.3%)
CRSP+1.0 pts(+30.3%)
SPCX+1.0 pts(+21.5%)
PLTR+0.8 pts(+31.3%)
TXG+0.7 pts(+40.9%)
HOOD+0.6 pts(+17.2%)
AMZN+0.5 pts(+12.8%)
BLSH+0.5 pts(+40.4%)
SHOP+0.4 pts(+21.3%)
BMNR+0.4 pts(+38.5%)
BEAM+0.4 pts(+23.8%)
CRWV+0.4 pts(+24.4%)
NTLA+0.4 pts(+26.6%)
WGS
VCYT−0.3 pts(−20.8%)
ACHR+0.2 pts(+20.5%)
XE
NTRA
NVDA+0.2 pts
RXRX+0.2 pts
COIN
BWXT
KTOS
AVGO
CERS

Concentration curve

cumulative share of the +13.90 pt move · sorted by contribution
0%50%100%11223243stocks:3 stocks = 32%100% covered at 24

When they drove it

cumulative points through the period
0TEM +1.85TWST +1.44CRCL +1.20VCYT −0.25CBRS −0.16BWXT −0.09Jul 27Aug 25

Breadth

member returns, this period
−25%0%+25%+50%
From −20.81% (VCYT) to +74.97% (TWST). Equal-weight, the ARKK would be +16.57% vs the actual +19.16%; the gap is what cap weighting did.

By sector

point contribution · sums to +13.90 pts
Unknown43
+13.9

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG

Share this move

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SESSIONSETTLEDBOARDARKK 1MMEMBERS43RESIDUAL119.5BP / 60BP GATESRCNASDAQ · CBOE · ALPHA VANTAGEWMTMT.COM