The latest thematic ETF flows suggest that the AI power-demand trade is evolving from a broad thematic story into a more conventional sector-allocation decision. Investors continue to fund semiconductors and the physical infrastructure required to support AI, but they are becoming more discriminating about where the economics are already visible. The distinction increasingly favors established cash-flow generators in Information Technology, Industrials and Utilities over companies whose valuations depend primarily on future commercialization.
That selectivity fits the current macro backdrop. Oil remains elevated as the U.S.-Iran conflict continues, Treasury yields are again moving higher, and investors are waiting for Friday’s CPI report to clarify the Fed outlook. At the same time, corporate AI investment remains strong: TSMC reported a 53% increase in August revenue, while discussions between South Korea and the U.S. include more than $100 billion of potential AI investment and Korean-funded U.S. energy projects.
Chart: Energy and Technology sectors have taken the lead to start September while Industrials are at 6-month relative lows.
Technology: Hardware Is Winning the Internal Rotation
Technology remains central to the trade, but flows increasingly favor hardware over software. Semiconductor ETFs attracted approximately $2.97 billion over the latest week versus $2.28 billion over the full rolling month. SMH absorbed about $1.64 billion and SOXX another $1.34 billion. Software funds moved in the opposite direction, losing roughly $435 million during the week, with IGV accounting for most of the redemptions.
For sector investors, the message is not that the AI trade is ending. It is that investors increasingly want exposure to businesses where AI spending is already becoming revenue. Semiconductors remain the most obvious example. The same logic extends into power-management and data-center infrastructure companies: current orders and cash flow are receiving a higher valuation premium than distant optionality.
Industrials: The Power Buildout Creates a New Secular Tailwind
The more interesting development may be occurring in Industrials. Infrastructure ETFs attracted roughly $263 million over the latest week, slightly more than they received during the entire rolling one-month window, even though the group has suffered weak recent price performance. PAVE alone took in approximately $236 million. That looks more like accumulation on weakness than momentum chasing.
The fundamental reason is that greater electricity demand requires far more than new generating capacity. It requires transformers, switchgear, transmission lines, substations, backup power, cooling systems and engineering work. Companies such as GE Vernova (GEV), Eaton (ETN), Quanta Services (PWR) and Vertiv (VRT) represent the cash-flow-generator side of this trade: they sell equipment or services needed to expand the power system and data-center footprint today.
That makes the power-demand boom potentially more important for Industrials than a simple “AI” label would suggest. These businesses can benefit whether the ultimate generating mix is natural gas, conventional nuclear, small modular reactors, renewables or some combination of all four.
Utilities: Existing Megawatts Versus Future Megawatts
The same distinction matters inside Utilities. Existing generation has a valuable advantage in a power-constrained environment: it can potentially be contracted and delivered before an entirely new plant can be permitted, financed and constructed. Constellation Energy (CEG) is a good example of an established generator participating in the AI electricity-demand story through operating nuclear assets rather than future reactor development.
That is a different investment proposition from advanced nuclear companies such as Oklo (OKLO), NuScale Power (SMR) or Nano Nuclear Energy (NNE). Those companies may eventually become major beneficiaries of the same power shortage, but investors must underwrite more regulatory, construction, financing and commercialization risk before meaningful operating cash flow arrives.
Nuclear ETFs demonstrate why that distinction matters. NLR and SMRF both provide examples of funds that blend emerging nuclear technologies with more traditional power-generation exposure. SMRF is particularly notable because, despite its small-modular-reactor branding, its mandate extends beyond concept-stage developers into the broader nuclear and power-generation ecosystem. In the latest thematic data, SMRF gained 4.3% for the week and 1.3% over one month.
For sector investors, that creates a useful framework: Utilities can provide exposure to electricity scarcity through assets that already exist, while advanced nuclear offers greater optionality but materially greater execution risk.
Energy and Clean Energy: Power Demand Is Not a Blanket Green Trade
The flow data also warns against assuming that rising electricity demand automatically means buying Clean Energy. Broad Clean Energy ETFs lost nearly $200 million during the latest week, with ICLN alone suffering roughly $160 million of redemptions despite positive weekly performance. Electrification funds, by contrast, remained in positive flow territory, while GRID has attracted about $231 million during the past month.
That divergence is significant from a sector perspective. Investors appear to be prioritizing reliability, grid investment and power availability rather than making a blanket bet on any particular generation technology. Higher oil prices and higher rates reinforce that pragmatism. The market wants more power, but it increasingly cares about who can deliver it economically and on time.
Sector Takeaway
For Information Technology, the current flow signal favors semiconductors and physical AI infrastructure over broad software exposure. For Industrials, the expansion of generation, transmission and data-center capacity is developing into a powerful secular source of orders and capital spending. For Utilities, existing generation—particularly nuclear—offers immediate exposure to electricity scarcity, while advanced-reactor developers provide higher-risk future optionality. Clean Energy remains a separate trade and is not currently receiving the same investor endorsement.
The larger message from this week’s flows is that AI power demand is becoming less of a concept trade and more of a cash-flow trade. That should favor companies and sectors already getting paid to manufacture, connect, distribute or generate the electricity required by the next phase of the AI buildout.
Disclaimer: The information provided by ETFSector.com and Myrtle Tree Investment Research is for informational purposes only and should not be construed as an offer or solicitation to buy or sell any security. All investments involve risk, and past performance is not indicative of future results. Opinions reflect judgment as of the publication date and may change without notice. ETF holdings and sector exposures can change, and investors should conduct independent due diligence before making investment decisions.
