Health Innovation Surges as ARK Funds Drive Thematic Flows

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Weekly Channel Summary

The Thematic channel closed the week with total AUM of $396.39B spread across 491 ETFs from 115 issuers. Weekly net inflows totaled $2,479M, extending a robust year for the channel with YTD net flows of $73,967M and 1-Year net flows of $98,347M. The channel remains a significant destination for investor capital, with flows accelerating across several key categories.

This Week’s Performance Leaders and Laggards

Health Innovation led all categories WTD with an 8.47% gain, extending a remarkable YTD advance of 56.09% and a 1-Year return of 72.23%. FinTech and Disruptive Tech also posted solid weekly gains of 2.80% and 2.15%, respectively, with Disruptive Tech’s YTD return of 34.37% underscoring sustained momentum. On the downside, Natural Resources fell 2.52% for the week, while Sustainability and Infrastructure also lagged, down 2.29% and 1.59%. Individual fund performance echoed the category trend, as ARKG topped the leaderboard with a 13.35% weekly gain, while ODDZ was the weakest performer, declining 6.91%.

Category Performance Snapshot

Category WTD 1 Month 3 Month 6 Month YTD 1 Year
Health Innovation 8.47% 11.27% 30.24% 67.35% 56.09% 72.23%
FinTech 2.80% 12.59% -1.43% 21.57% 14.60% -3.75%
Disruptive Tech 2.15% 3.18% -3.54% 39.21% 34.37% 32.35%
Multi-Sector 1.89% 2.35% 0.63% 20.28% 16.18% 15.26%
Industrial Revolution 0.57% -6.72% -5.89% -3.73% 2.96% 5.47%
Alternative Equity -0.36% -2.48% 6.24% 6.87% -4.88% -8.80%
Evolving Consumer -0.67% -1.99% 0.05% 10.56% 0.39% -5.96%
Precious Metals -1.34% 7.46% 15.17% 7.92% 11.35% 44.12%
Midstream & MLPs -1.52% -1.60% 7.65% 6.66% 23.28% 23.59%
Infrastructure -1.59% -5.66% -8.87% 2.53% 12.21% 15.41%
Sustainability -2.29% -4.22% -16.68% -3.24% 5.41% 13.01%
Natural Resources -2.52% -1.35% -1.70% 0.74% 10.69% 25.06%

Top & Bottom 5 ETFs by Weekly Performance

Cybersecurity-linked names featured prominently among the week’s top performers, with WCBR and BUG gaining 11.08% and 10.74%, respectively, alongside XA at 8.66%. ARKG led the group overall, benefiting from the broader Health Innovation category’s strong YTD run. On the weaker side, sports betting exposures struggled, with ODDZ and BETZ down 6.91% and 5.88%. Uranium-related funds also underperformed, with URNJ and NLR both declining nearly 5%.

Ticker Fund Name WTD Performance
Top Performers
ARKG ARK Genomic Revolution ETF 13.35%
WCBR WisdomTree Cybersecurity Fund 11.08%
BUG Global X Cybersecurity ETF 10.74%
XA Corgi AI Cybersecurity ETF 8.66%
OWNB Bitwise Bitcoin Standard Corporations ETF 8.48%
Bottom Performers
ODDZ Corgi Sports Betting & Gambling ETF -6.91%
IBRN iShares Neuroscience and Healthcare ETF -5.97%
BETZ Roundhill Sports Betting & iGaming ETF -5.88%
URNJ Sprott Junior Uranium Miners ETF -5.08%
NLR VanEck Uranium and Nuclear ETF -4.88%

Analyzing the Weekly Flows

Thematic ETFs attracted $2,479M in net inflows over the week, led decisively by Multi-Sector funds, which gathered $1,169M, followed by Disruptive Tech at $956M and Evolving Consumer at $516M. Infrastructure and Health Innovation also saw positive flows of $232M and $151M, respectively. On the outflow side, Precious Metals shed $426M for the week, the largest outflow among categories, followed by Natural Resources at -$297M and Sustainability at -$102M. Despite the weekly pullback, Precious Metals and Natural Resources both retain substantial YTD inflows, highlighting a shift in near-term investor positioning rather than a structural reversal.

Category Flows Summary

Category Fund Count AUM 5 Day 30 Day 90 Day YTD 1 Year
Multi-Sector 52 $32.79B $1,169M $1,269M $823M $1,685M $3,168M
Disruptive Tech 100 $112.61B $956M -$195M $12,884M $38,524M $46,982M
Evolving Consumer 48 $13.37B $516M $419M -$302M -$2,071M -$3,915M
Infrastructure 50 $63.13B $232M $1,382M $3,219M $17,807M $22,337M
Health Innovation 27 $3.79B $151M $260M $405M $474M $528M
Industrial Revolution 59 $19.97B $145M $328M -$1,404M $7,408M $9,254M
Midstream & MLPs 18 $27.57B $106M $290M $915M $2,164M $2,564M
FinTech 28 $4.72B $46M $292M -$92M -$399M -$502M
Alternative Equity 8 $2.44B -$18M -$98M -$81M $252M $423M
Sustainability 28 $7.02B -$102M -$411M -$1,188M $424M $1,242M
Natural Resources 57 $56.69B -$297M $587M -$346M $10,299M $15,876M
Precious Metals 16 $52.29B -$426M -$1,478M -$1,340M -$2,599M $390M

Top & Bottom 5 ETFs by 5-Day Flow

ARKK dominated fund-level inflows with $1,115M for the week, well ahead of MAGS at $332M and ITB at $303M. On the outflow side, GDX led redemptions with -$310M, followed closely by COPX at -$265M. These outflows align with the broader weekly pullback in Precious Metals and Natural Resources categories, while ARKK’s strong inflow reinforces the Health Innovation and Disruptive Tech categories’ positive momentum.

Ticker Fund Name 5-Day Flow
Inflows
ARKK ARK Innovation ETF $1,115M
MAGS Roundhill Magnificent Seven ETF $332M
ITB iShares U.S. Home Construction ETF $303M
BKGI BNY Mellon Global Infrastructure Income ETF $297M
CIBR First Trust NASDAQ Cybersecurity ETF $227M
Outflows
GDX VanEck Gold Miners ETF -$310M
COPX Global X Copper Miners ETF -$265M
BOTZ Global X Robotics & Artificial Intelligence ETF -$187M
DRAM Roundhill Memory ETF -$128M
IYZ iShares U.S. Telecommunications ETF -$121M

Issuer League Table Update

Global X and iShares remain the largest issuers in the Thematic channel by AUM, holding 16.83% and 15.12% market share, respectively, with $66.71B and $59.94B in assets. ARK led all issuers in weekly inflows with $1,312M, driven heavily by demand for its flagship ARKK fund, while iShares added a further $566M. On the outflow side, VanEck experienced the largest weekly redemptions at -$315M, followed by Global X at -$297M despite its leading overall market share. This divergence highlights that even top-share issuers can see near-term outflows amid category-specific rotations, particularly in Precious Metals and Natural Resources exposures.

Top 5 Issuers by AUM

Brand Fund Count AUM AUM Market Share
Global X 39 $66.71B 16.83%
iShares 32 $59.94B 15.12%
First Trust 32 $55.58B 14.02%
VanEck 20 $48.26B 12.17%
Roundhill 14 $31.99B 8.07%

Top & Bottom 3 Issuers by 5-Day Flow

Brand 5-Day Flow
Inflows
ARK $1,312M
iShares $566M
BNY Mellon $297M
Outflows
VanEck -$315M
Global X -$297M
US Global -$70M

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Disclosures

This material is for informational purposes only and should not be considered investment advice. All investments, including ETFs, involve risk, including the possible loss of principal. Investors should consider their investment objectives, risks, charges, and expenses carefully before investing.

This analysis was developed by the team at ETF Action. We leverage advanced AI tools to assist in the drafting and refinement of our content, based on our expert prompts, direction, and final review.