ARKK · WMTMT

Sep 10Sep 17Sep 25Oct 2Oct 9

Breadth

27 / 41

stocks rose with the index

Concentration

38%

of the gain from TEM, SHOP, SPCX

Biggest driver

TEM +0.94

TEMPUS AI INC-CL A, +20.75%

Biggest drag

CBRS −0.28

CEREBRAS SYSTEMS INC - A, −14.20%

What drove it

41 members · drivers first · 1M · residual 156.1bp exceeds 60bp gate

The ARKK rose 7.90% (+6.56 pts) on the month on a mixed tape; TEM, SHOP, SPCX did most of the lifting, with 38% of the gain between them.

Read the latest market-close note: Goldman and Microsoft Push the Dow to a Large Gain While Telecoms Sink Communication Services

+7.8 pts from 28 gainers−1.3 pts from 13 losers

net +6.6 pts · gainers outweigh losers 6.2 to 1

Stock

Points

Return

ARKKsum of all 41 stocks

+6.6

+7.90%

TEMTEMPUS AI INC-CL A

+0.9

+20.75%

SHOPSHOPIFY INC - CLASS A

+0.8

+34.95%

SPCXSPACE EXPLORATION TECHN-CL A

+0.7

+9.71%

TWSTTWIST BIOSCIENCE CORP

+0.7

+25.96%

TSLATESLA INC

+0.6

+5.26%

PLTRPALANTIR TECHNOLOGIES INC-A

+0.5

+26.04%

TXG10X GENOMICS INC-CLASS A

+0.4

+21.50%

RXRXRECURSION PHARMACEUTICALS-A

+0.4

+37.97%

AMDADVANCED MICRO DEVICES

+0.4

+20.75%

COINCOINBASE GLOBAL INC -CLASS A

+0.3

+4.13%

ILMNILLUMINA INC

+0.2

+38.21%

METAMETA PLATFORMS INC-CLASS A

+0.2

+11.61%

PACBPACIFIC BIOSCIENCES OF CALIF

+0.2

+83.46%

NTRANATERA INC

+0.2

+22.86%

NETCLOUDFLARE INC - CLASS A

+0.2

+16.01%

11 othersclick to expand the full index

+1.0

LLYELI LILLY & CO

+0.0

+4.96%

ARKYARK ACTIVE AUTOCALL INC ETF

+0.0

+4.02%

CERSCERUS CORP

−0.0

−6.50%

XYZBLOCK INC

−0.0

−2.31%

BLSHBULLISH

−0.0

−3.84%

SOFISOFI TECHNOLOGIES INC

−0.0

−8.19%

BWXTBWX TECHNOLOGIES INC

−0.1

−5.70%

HOODROBINHOOD MARKETS INC - A

−0.1

−3.80%

XEX-ENERGY INC

−0.1

−13.42%

ACHRARCHER AVIATION INC-A

−0.1

−8.81%

KTOSKRATOS DEFENSE & SECURITY

−0.1

−9.83%

CRWVCOREWEAVE INC-CL A

−0.1

−7.90%

WGSGENEDX HOLDINGS CORP

−0.2

−19.81%

CRCLCIRCLE INTERNET GROUP INC

−0.2

−6.41%

CBRSCEREBRAS SYSTEMS INC - A

−0.3

−14.20%

Cap weighting, illustrated

TESLA INC and ELI LILLY & CO moved almost identically (+5.26% vs +4.96%), yet TSLA moved the ARKK 18.4× 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 +6.56 pt move · cell size = points contributed · color = direction, intensity = return

TEM+0.9 pts(+20.8%)

SHOP+0.8 pts(+35.0%)

SPCX+0.7 pts(+9.7%)

TWST+0.7 pts(+26.0%)

TSLA+0.6 pts(+5.3%)

PLTR+0.5 pts(+26.0%)

TXG+0.4 pts(+21.5%)

RXRX+0.4 pts(+38.0%)

AMD+0.4 pts(+20.8%)

COIN+0.3 pts(+4.1%)

CBRS−0.3 pts(−14.2%)

ILMN+0.2 pts(+38.2%)

META+0.2 pts

PACB+0.2 pts

NTRA+0.2 pts(+22.9%)

CRCL

NET

CRSP+0.2 pts

NVDA

WGS−0.2 pts

BEAM+0.1 pts

AMZN

CRWV

ACHR

NTLA

HOOD−0.1 pts

BWXT−0.1 pts

TSM+0.1 pts

TER

AVGO

Concentration curve

cumulative share of the +6.56 pt move · sorted by contribution

When they drove it

cumulative points through the period

Breadth

member returns, this period

−25%0%+25%+50%+75%

From −19.81% (WGS) to +83.46% (PACB). Equal-weight, the ARKK would be +8.11% vs the actual +7.90%; the gap is what cap weighting did.

By sector

point contribution · sums to +6.56 pts

Unknown41

+6.6

The year, session by session

every trading day of 2026 · hover for the move

JANFEBMARAPRMAYJUNJULAUGSEPOCT

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ARK Innovation ETF

What drove it

Attribution map

Concentration curve

When they drove it

Breadth

By sector

The year, session by session

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