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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
+9.20 (+11.91%)
ARKK 86.43 · +9.2 pts (+11.91%) 3M
89.4984.4579.4174.3869.34EW +14.27%H 86.43 · Aug 25L 70.58 · Jul 29
May 26Jun 17Jul 13Aug 3Aug 25
Breadth
21 / 43
stocks rose with the index
Concentration
61%
of the gain from TWST, TEM, HOOD
Biggest driver
TWST +1.92
TWIST BIOSCIENCE CORP, +133.42%
Biggest drag
TSLA −1.36
TESLA INC, −19.22%

What drove it

43 members · drivers first · 3M · residual 543.9bp exceeds 60bp gate

The ARKK rose 11.91% (+9.20 pts) over the past three months, but 22 of 43 members went the other way. TWST and TEM carried the tape higher, accounting for 61% of the gain.

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

+14.1 pts from 24 gainers6.6 pts from 19 losers
net +9.2 pts · gainers outweigh losers 2.1 to 1
Stock
Points
Return
ARKKsum of all 43 stocks
+9.2
100%
+11.91%
TWSTTWIST BIOSCIENCE CORP
+1.9
21%
+133.42%
TEMTEMPUS AI INC-CL A
+1.9
21%
+47.30%
HOODROBINHOOD MARKETS INC - A
+1.8
19%
+51.29%
TXG10X GENOMICS INC-CLASS A
+1.6
18%
+162.88%
SHOPSHOPIFY INC - CLASS A
+1.2
13%
+46.69%
PLTRPALANTIR TECHNOLOGIES INC-A
+1.0
11%
+26.45%
CRSPCRISPR THERAPEUTICS AG
+0.8
9%
+18.05%
BMNRBITMINE IMMERSION TECHNOLOGI
+0.5
5%
+29.24%
WGSGENEDX HOLDINGS CORP
+0.5
5%
+76.79%
XYZBLOCK INC
+0.5
5%
+19.57%
NTRANATERA INC
+0.4
4%
+67.59%
ILMNILLUMINA INC
+0.4
4%
+54.93%
COINCOINBASE GLOBAL INC -CLASS A
+0.3
4%
+3.97%
AMZNAMAZON.COM INC
+0.3
3%
−1.59%
RXRXRECURSION PHARMACEUTICALS-A
+0.2
2%
+19.87%
13 othersclick to expand the full index
+0.8
9%
·
CERSCERUS CORP
−0.0
0%
−0.37%
NVDANVIDIA CORP
−0.0
0%
−0.73%
GOOGALPHABET INC-CL C
−0.0
−1%
−10.73%
TSMTAIWAN SEMICONDUCTOR-SP ADR
−0.1
−1%
+1.46%
VCYTVERACYTE INC
−0.1
−1%
−0.38%
BWXTBWX TECHNOLOGIES INC
−0.2
−2%
−26.76%
AVGOBROADCOM INC
−0.2
−3%
−15.33%
TERTERADYNE INC
−0.3
−3%
−5.84%
AMDADVANCED MICRO DEVICES
−0.4
−4%
−4.90%
CRCLCIRCLE INTERNET GROUP INC
−0.5
−6%
−11.64%
CBRSCEREBRAS SYSTEMS INC - A
−0.5
−6%
−23.91%
XEX-ENERGY INC
−0.7
−7%
−35.59%
CRWVCOREWEAVE INC-CL A
−0.9
−10%
−16.86%
SPCXSPACE EXPLORATION TECHN-CL A
−1.2
−13%
−14.29%
TSLATESLA INC
−1.4
−15%
−19.22%
Cap weighting, illustrated

SPACE EXPLORATION TECHN-CL A and ROBLOX CORP -CLASS A moved almost identically (−14.29% vs −14.96%), yet SPCX moved the ARKK 120.8× 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 +9.20 pt move · cell size = points contributed · color = direction, intensity = return
TWST+1.9 pts(+133.4%)
TEM+1.9 pts(+47.3%)
HOOD+1.8 pts(+51.3%)
TXG+1.6 pts(+162.9%)
TSLA−1.4 pts(−19.2%)
SPCX−1.2 pts(−14.3%)
SHOP+1.2 pts(+46.7%)
PLTR+1.0 pts(+26.4%)
CRWV−0.9 pts
CRSP+0.8 pts(+18.0%)
XE−0.7 pts(−35.6%)
CBRS−0.5 pts
CRCL−0.5 pts(−11.6%)
BMNR+0.5 pts(+29.2%)
WGS+0.5 pts
XYZ+0.5 pts
NTRA+0.4 pts(+67.6%)
ILMN+0.4 pts(+54.9%)
AMD−0.4 pts
COIN+0.3 pts
AMZN
TER−0.3 pts
AVGO−0.2 pts
BWXT
RXRX
NTLA
SOFI
NET
META
KTOS
VCYT

Concentration curve

cumulative share of the +9.20 pt move · sorted by contribution
0%50%100%11223243stocks:3 stocks = 61%100% covered at 6

When they drove it

cumulative points through the period
0TWST +1.92TEM +1.91HOOD +1.76TSLA −1.36SPCX −1.21CRWV −0.88May 26Aug 25

Breadth

member returns, this period
−50%0%+50%+100%+150%
From −35.59% (XE) to +162.88% (TXG). Equal-weight, the ARKK would be +14.27% vs the actual +11.91%; the gap is what cap weighting did.

By sector

point contribution · sums to +9.20 pts
Unknown43
+7.5

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUG

Share this move

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SESSIONSETTLEDBOARDARKK 3MMEMBERS43RESIDUAL543.9BP / 60BP GATESRCNASDAQ · CBOE · ALPHA VANTAGEWMTMT.COM