ARKK · WMTMT

Feb 24Apr 10May 26Jul 13Aug 25

Breadth

29 / 43

stocks rose with the index

Concentration

41%

of the gain from TWST, TXG, AMD

Biggest driver

TWST +2.41

TWIST BIOSCIENCE CORP, +211.95%

Biggest drag

CBRS −1.30

CEREBRAS SYSTEMS INC - A, −40.88%

What drove it

43 members · drivers first · 6M · residual 600.5bp exceeds 60bp gate

The ARKK rose 19.93% (+14.36 pts) over the past six months on a mixed tape; TWST, TXG, AMD did most of the lifting, with 41% of the gain between them.

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

+16.9 pts from 32 gainers−4.7 pts from 11 losers

net +14.4 pts · gainers outweigh losers 3.6 to 1

Stock

Points

Return

ARKKsum of all 43 stocks

+14.4

+19.93%

TWSTTWIST BIOSCIENCE CORP

+2.4

+211.95%

TXG10X GENOMICS INC-CLASS A

+2.0

+238.85%

AMDADVANCED MICRO DEVICES

+1.6

+124.08%

HOODROBINHOOD MARKETS INC - A

+1.5

+52.73%

TEMTEMPUS AI INC-CL A

+1.5

+18.60%

CRCLCIRCLE INTERNET GROUP INC

+0.9

+49.98%

AMZNAMAZON.COM INC

+0.9

+25.17%

PLTRPALANTIR TECHNOLOGIES INC-A

+0.9

+34.07%

SHOPSHOPIFY INC - CLASS A

+0.8

+31.60%

XYZBLOCK INC

+0.8

+62.18%

GOOGALPHABET INC-CL C

+0.5

+10.57%

CRSPCRISPR THERAPEUTICS AG

+0.5

+7.27%

ILMNILLUMINA INC

+0.5

+83.07%

NTRANATERA INC

+0.4

+60.70%

BMNRBITMINE IMMERSION TECHNOLOGI

+0.3

+27.65%

13 othersclick to expand the full index

+1.4

TSMTAIWAN SEMICONDUCTOR-SP ADR

+0.0

+8.74%

SOFISOFI TECHNOLOGIES INC

+0.0

+1.82%

TSLATESLA INC

+0.0

−14.44%

TERTERADYNE INC

+0.0

+11.39%

PACBPACIFIC BIOSCIENCES OF CALIF

−0.0

−8.43%

ARKYARK ACTIVE AUTOCALL INC ETF

−0.0

−3.11%

RBLXROBLOX CORP -CLASS A

−0.0

−41.69%

VCYTVERACYTE INC

−0.0

+23.40%

ACHRARCHER AVIATION INC-A

−0.1

−17.04%

BWXTBWX TECHNOLOGIES INC

−0.2

−26.51%

XEX-ENERGY INC

−0.4

−34.55%

CRWVCOREWEAVE INC-CL A

−0.6

−11.34%

KTOSKRATOS DEFENSE & SECURITY

−0.8

−41.95%

SPCXSPACE EXPLORATION TECHN-CL A

−1.2

−14.29%

CBRSCEREBRAS SYSTEMS INC - A

−1.3

−40.88%

Cap weighting, illustrated

SPACE EXPLORATION TECHN-CL A and TESLA INC moved almost identically (−14.29% vs −14.44%), 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 +14.36 pt move · cell size = points contributed · color = direction, intensity = return

TWST+2.4 pts(+211.9%)

TXG+2.0 pts(+238.8%)

AMD+1.6 pts(+124.1%)

HOOD+1.5 pts(+52.7%)

TEM+1.5 pts(+18.6%)

CBRS−1.3 pts(−40.9%)

SPCX−1.2 pts(−14.3%)

CRCL+0.9 pts(+50.0%)

AMZN+0.9 pts

PLTR+0.9 pts(+34.1%)

SHOP+0.8 pts

KTOS−0.8 pts

XYZ+0.8 pts(+62.2%)

CRWV−0.6 pts(−11.3%)

GOOG+0.5 pts(+10.6%)

CRSP+0.5 pts

ILMN+0.5 pts

XE−0.4 pts(−34.6%)

NTRA+0.4 pts

BMNR+0.3 pts

BWXT

NTLA

GOOGL

LLY

Concentration curve

cumulative share of the +14.36 pt move · sorted by contribution

When they drove it

cumulative points through the period

Breadth

member returns, this period

−50%0%+50%+100%+150%+200%

From −41.95% (KTOS) to +238.85% (TXG). Equal-weight, the ARKK would be +24.00% vs the actual +19.93%; the gap is what cap weighting did.

By sector

point contribution · sums to +14.36 pts

Unknown43

+12.3

The year, session by session

every trading day of 2026 · hover for the move

JANFEBMARAPRMAYJUNJULAUG

Share this move

pick a view, download it as a 16:9 PNG

What moved the market, in your inbox

The daily note publishes here after every close; the week's story lands in your inbox on Fridays, free. Read the daily notes.

Babylon Burns

WMTMT is built by the founders of Babylon Burns, a letter on markets, macro, and the systems behind them. The numbers live here; the arguments live there. Subscribing below joins the Babylon Burns letter.

ARK Innovation ETF

What drove it

Attribution map

Concentration curve

When they drove it

Breadth

By sector

The year, session by session

Share this move