US Stock Market, $22 Trillion Passive Fund Onslaught..."Sweeping Up Without Even Looking at the Price Tag"

▲ US Stock Market, Artificial Intelligence (AI)/AI Generated Image

The largest buying entity that propelled the US stock market to an all-time high was passive funds, which do not consider the value of individual companies at all. With the influx of index funds amounting to $22 trillion eroding the market's price discovery function, it has been diagnosed that even Bitcoin (BTC) has entered the orbit of the same capital flow.

Cryptocurrency-focused YouTube channel Coin Bureau intensively analyzed the structural risks of passive funds dominating the US stock and cryptocurrency markets in a video uploaded on September 27 (local time). Host DC stated that assets held by US index funds and exchange-traded funds (ETFs) amount to $22 trillion, accounting for more than half of all long-term fund assets. It is pointed out that the capitalist market's pricing system is shaking as passive funds, which mechanically buy stocks without asking for prices, reign as the market's marginal buyers.

Actual capital inflows are progressing rapidly. In July 2026 alone, approximately $123 billion flowed into long-term index funds. In contrast, approximately $31 billion flowed out of traditional active funds. As mechanical buying is repeated using a market capitalization-weighted approach, the concentration in large-cap stocks has soared to an all-time high. The top 10 stocks in the S&P 500 account for approximately 40% of the total index. This far exceeds the 26% recorded during the dot-com bubble in March 2000 and is the highest since 1965. The Magnificent 7 alone accounts for nearly a third of the total.

On the other hand, market research personnel who analyze the intrinsic value of companies have plummeted by one-third since 2008. Wall Street institutions' research spending decreased from over $17 billion in 2015 to approximately $13.7 billion in 2023. Currently, approximately 3,000 listed companies do not even receive dedicated analyst coverage. While a multiplier effect occurs where every $1 of new capital flowing into the stock market boosts the total market capitalization by approximately $5, the absence of active sellers on the other side has deepened market vulnerability to volatility.

This mechanical capital inflow structure has also transferred to the Bitcoin market. Bitcoin spot ETFs hold $100 billion, which is approximately 6% of the total market capitalization. Cumulative net inflows alone amount to approximately $55 billion, with BlackRock's (BLK) IBIT accounting for approximately $60 billion. As major financial firms such as Morgan Stanley (MS) and Wells Fargo (WFC) incorporate 1-4% of virtual assets into client portfolios, Bitcoin has transformed into a liquidity asset whose price is determined by institutional capital flows rather than its independent technological value.

The peculiar phenomenon where asset prices are dictated by the mechanical allocation of pension reserves rather than individual investors' value judgments is intensifying. The concentration of passive funds across the financial market, where price discovery is weakened, is expected to act as a key fuse amplifying future asset price volatility.

[Article Key Summary]

-Passive index funds totaling $22 trillion have monopolized the market through mechanical buying without price analysis.

-The concentration of the top 10 S&P 500 stocks surged to 40%, marking the highest concentration since 1965.

-Bitcoin (BTC) has also transformed into an asset dependent on passive fund flows due to $100 billion in ETF inclusions.

*Disclaimer: This article is for investment reference only, and we are not responsible for any investment losses based on it. The content should be interpreted for informational purposes only.*