The "Great Rotation": Capital Shifts from Mega-Cap Growth to Small-Cap and Value in Mid-2026

The "Great Rotation": Capital Shifts from Mega-Cap Growth to Small-Cap and Value in Mid-2026

The "Great Rotation" of 2026 has transitioned from a short-term tactical trade into a profound, structural re-rating of the global equity markets. As the speculative enthusiasm of the initial AI boom confronts historic valuation extremes, investors are rotating out of mega-cap growth and into small-cap and value sectors.

While the rotation paused in mid-2026 due to the Middle East energy shock, which sent investors back to Big Tech as a defensive haven, institutional strategists argue that the underlying drivers of the "Great Rotation" remain entirely intact and are poised to resume.

Shifting Macroeconomic Drivers and Valuation Squeezes

The valuation extremes between growth and value have reached historic levels. The aggregate price-to-sales ratio of the S&P 500 Index stands at approximately 3.7, compared to its 80-year historical average of roughly 1.2. This hunger for growth is exemplified by SpaceX’s post-IPO trading and other upcoming mega-IPOs (such as Anthropic and OpenAI). For instance, SpaceX’s expected valuation of $1.75 trillion would represent roughly 94 times its 2025 revenue of $18.7 billion.

Portfolio managers argue that such heady growth assumptions are unsustainable, recalling Sun Microsystems CEO Scott McNealy's famous dot-com era warning:

"At 10 times revenues, to give you a 10-year payback, I have to pay you 100% of revenues for 10 straight years in dividends…That assumes I have zero cost of goods sold... zero expenses... zero taxes... and that assumes with zero R&D for the next 10 years, I can maintain the current revenue run rate…Do you realize how ridiculous those basic assumptions are?"

Why the Value Cycle is Ready to Resume

According to analysis by Neuberger Berman, several fundamental variables support the resumption of the value cycle:

1. Global Growth Sensitivity: Value stocks tend to be highly sensitive to global economic growth. The Russell 1000 Value Index has an earnings-per-share (EPS) beta to global trade volume of 1.2, compared to just 0.8 for the Russell 1000 Growth Index.
2. Inflation and Interest Rate Resilience: Value companies represent shorter-duration assets that generate a greater portion of their profits sooner, making them less sensitive to rate hikes.¹ They also include more raw materials and energy companies, which are naturally geared to inflation. If the Middle East oil shock rekindles inflation in the second half of 2026, the Federal Reserve may hold rates higher or even hike, adding relative support for value.
3. Extreme Concentration and Momentum Risks: Overconcentration continues to plague passive large-cap benchmarks. The largest five stocks represent roughly 44% of the Russell 1000 Growth Index and 27% of the S&P 500 Index. Momentum has surged to 2009 levels, with the 10 largest stocks accounting for roughly 85% of the S&P 500's year-to-date return. This leaves passive investors highly vulnerable to a sudden unwind.
4. Asymmetric AI Productivity Gains: Value companies typically produce lower operating profits and carry more debt than growth peers. Because of this lower starting base, every dollar saved through AI-driven operational efficiencies translates into a much larger percentage EPS improvement for value companies (e.g., a hypothetical 20% EPS improvement for a value firm versus 5% for a growth firm).
5. Passive Benchmark Reconstitutions: Since 2023, index rebalancing has shifted a cumulative $4.6 trillion in market cap from the Russell 1000 Growth Index to the Russell 1000 Value Index, mechanically giving value indices more of a growth tilt.

As Neuberger Berman portfolio managers Eli Salzmann and David Levine note:

"Assuming tensions in the Strait begin to ease within the next few months, we expect the market’s broader rotation into value may again gather steam, giving investors the opportunity to add exposure at potentially attractive prices."

For self-directed investors, this structural shift highlights the importance of active portfolio construction and moving away from passive, market-cap-weighted indices that are heavily overweight a handful of expensive mega-caps.