Index ETFs Completed Scheduled Portfolio Rebalancing

Several popular exchange-traded funds updated their underlying holdings in September 2026 based on fundamental trends.

Updated on Sept. 28, 2026 in Investing

Isometric editorial illustration featuring clean, modular geometric blocks in shades of teal and slate, representing systematic financial portfolio adjustment. — Several major exchange-traded funds completed their scheduled portfolio rebalancing in September 2026, adjusting holdings to align with evolving fundamental market trends. AI Illustration. Upload story photo >

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Multiple index-based ETFs completed their scheduled rebalancing cycles during September 2026. These shifts moved billions in assets as funds updated their portfolios to better reflect current company fundamentals and growth trends.

Why it matters

Periodic rebalancing allows funds to capture emerging market trends while replacing companies that no longer meet specific financial criteria. These automated adjustments help funds maintain their stated strategies without introducing human manager bias.

Funds including the $11 billion VictoryShares Free Cash Flow ETF and $2 billion American Century US Quality Growth ETF updated their holdings. Micron Technology entered the VictoryShares fund at 4.20% and Amazon joined the American Century fund at 3.0%.

The players

VictoryShares Free Cash Flow ETF

An $11 billion investment fund that selects stocks based on corporate cash flow generation.

American Century US Quality Growth ETF

A $2 billion fund focused on US companies that demonstrate high-quality growth potential.

Procure Space ETF

An investment fund that focuses on the aerospace industry and recently underwent a $550 million rebalance.

The details

Index-based ETFs operate using rules-based methodologies that trigger automatic buying and selling when companies meet or fail to meet fundamental benchmarks. For example, the VictoryShares Free Cash Flow ETF added IBM at 2.20% while simultaneously exiting companies that displayed cooled cash flow profiles. Similarly, the American Century US Quality Growth ETF added Amazon but exited NVIDIA to align its holdings with its quality-growth strategy.

September 2026 marked the completion of scheduled rebalancing for multiple index-based ETFs.

Money Landscape

These automated adjustments are a standard part of the investment lifecycle for passive index funds. They occur within the framework set by the SEC Rule 18f-4 derivatives and fund management framework to maintain fund strategy consistency.

These shifts effectively change the specific stock exposure within the funds you may hold in your retirement or brokerage accounts. You should review your current fund prospectuses to ensure the updated holdings still align with your long-term financial goals and risk tolerance.

The takeaway

These rebalancing events are a routine part of fund management, but they can subtly shift your overall risk and growth exposure. It is a good practice to review your annual fund statements to confirm your current portfolio alignment, especially after major index reconstitutions.