Money Inflow Is Biased In Favor Of Mega Cap Stocks
The bigger the stocks in capitalization the more money inflow they get.
Value Investing Is a Sucker’s Game
Chapter 10 – How Institutions Pile Into Momentum Stocks
This chart clearly demonstrates that momentum stocks attract a disproportionately large share of capital in the market.
The first column to the right of the ticker symbols shows the weight of the eight mega-cap tech companies in the S&P 100 index. Just 8% of the companies account for more than one-third of the index’s weight.
The middle column reflects their weight in the OEF, the largest ETF that mirrors the S&P 100. Again, liquidity is heavily concentrated in these eight mega-cap stocks.
The second column from the right highlights the difference between those two columns—a gap that is far from insignificant.
Finally, the far-right column shows year-over-year revenue growth from their most recent earnings reports. These figures make it clear that these companies are commanding larger and larger portions of the market—not because of superior growth, but because of where institutional money is flowing.
If this doesn’t convince you that value investing is a sucker’s game, I don’t know what will.
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The inflow of money into mega cap stocks is a significant market phenomenon that goes beyond mere revenue growth metrics. Institutions often prefer momentum stocks—those showing strong price trends—and mega caps fit this profile due to their size and market presence. According to the data presented, eight mega-cap tech companies represent just 8% of the S&P 100 index but make up over one-third of its total index weight. Additionally, these companies dominate the holdings of the largest ETFs like the OEF, indicating a strong liquidity concentration. This trend reveals a critical insight: investors and fund managers are frequently allocating capital based on liquidity and market momentum rather than traditional value signals. The year-over-year revenue growth numbers for these mega caps generally range from approximately 130% to 150%, which, while solid, do not fully justify the outsized capital allocation compared to smaller stocks. For example, AAPL and MSFT, even with high market weights, show revenue growth near 130-140%, illustrating that their market dominance is driven more by investor behavior than explosive business growth. Investors should recognize that this dynamic challenges the principles of value investing, where the goal is to find undervalued assets with strong fundamentals. Instead, mega cap stocks often benefit from herd behavior, institutional preference for liquidity, and momentum-based strategies. This can create market distortions where valuation is secondary to size and trading volume. Understanding liquidity is crucial in this context. Liquidity refers to how easily a security can be bought or sold without affecting its price. Mega caps, by virtue of their size and investor interest, offer high liquidity, making them attractive for institutions that manage large portfolios and require the ability to enter and exit positions efficiently. For individual investors, this environment requires balancing the appeal of mega cap stocks with the risks of overconcentration and momentum-driven price swings. Diversified strategies and awareness of market liquidity trends can help navigate the challenges posed by the dominance of mega cap inflows. Ultimately, the market's favoritism towards mega cap momentum stocks is less about their inherent value and more about where institutional money flows and how liquidity shapes investment decisions.