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A comprehensive snapshot of U.S. ETF market activity in Week 39 (September 21-25, 2026), spanning flows, performance, sector and thematic trends, geographic exposures, asset classes, and leading funds and issuers.


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According to data by Trackinsight, U.S.-listed ETFs recorded mixed flows during the week ending September 25. Fixed income ETFs attracted $10.08 billion, while cryptocurrency products gathered $3.72 billion. Equity ETFs, meanwhile, recorded $15.12 billion in net outflows, and commodities lost $681.2 million.
Utilities led sector ETF inflows with $738.6 million, followed by Real Estate ($650.1M) and Energy ($329.1M). Information Technology recorded the largest sector outflow at $3.21 billion, while Industrials lost $534.5 million and Health Care saw $106.7 million in outflows.
World equity ETFs led geographic inflows with $6.10 billion, followed by Taiwan ($661.4M), Canada ($462.8M) and Switzerland ($369.4M). U.S.-focused ETFs recorded the largest geographic outflow at $27.94 billion, while Developed Markets lost $465.3 million and India saw $353.0 million in outflows.
Cryptocurrency themes topped thematic flows with $3.73 billion, followed by Digital Infrastructure & Connectivity ($571.9M), U.S. Defense ($393.7M) and Cybersecurity ($369.5M). Global Defense recorded the largest highlighted thematic outflow at $661.2 million.
Aggregate bond ETFs led fixed income flows with $5.43 billion, followed by Government Investment Grade ($2.26B), Aggregate Investment Grade ($1.44B) and Municipal Investment Grade ($1.29B). Government Agencies Investment Grade products recorded $1.10 billion in outflows.
Silver led commodity inflows with $333.4 million, while Gold recorded the largest commodity outflow at $689.2 million. Cryptocurrency flows were led by Bitcoin with $2.69 billion, followed by Ether ($749.4M) and Solana ($170.3M).

iShares led issuers with $42.05 billion in net inflows, followed by State Street Investment Management ($23.43B), Invesco ($2.80B), Fidelity ($2.02B) and First Trust ($1.22B). Vanguard recorded the largest issuer outflow at $52.54 billion, followed by Schwab ETFs ($14.19B) and VanEck ($6.70B).
At the fund level, the iShares Core S&P 500 ETF (IVV) topped inflows with $31.42 billion, followed by the State Street SPDR S&P 500 ETF Trust (SPY) with $22.42 billion and the iShares Core Total USD Bond Market ETF (IUSB) with $4.35 billion.
The Vanguard S&P 500 ETF (VOO) recorded the largest outflow at $47.69 billion, followed by the iShares MSCI USA Momentum Factor ETF (MTUM) at $4.68 billion and the VanEck Semiconductor ETF (SMH) at $3.76 billion.
The 21shares Sui Staking ETF (TSUI) led weekly performance with a 40.93% gain, narrowly ahead of the Canary Staked SUI ETF (SUIS) at 40.82% and the Grayscale Sui Staking ETF (GSUI) at 40.68%. Avalanche products also featured among the leaders, with the Grayscale Avalanche Trust ETF (GAVA) gaining 26.41%.
At the bottom of the rankings, the China AI Tigers LLM ETF (TGRZ) fell 15.31%, followed by the Breakwave Tanker Shipping ETF (BWET) at -11.08% and ADRH Novo Nordisk A/S (B Shares) (NVOH) at -9.34%.

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Trackinsight is a global ETF data, analytics, research, and advisory firm serving professional investors, financial advisors, and institutions. Founded in 2016 and headquartered in Biot, France, the company operates across six countries and serves thousands of investment professionals. Since 2024, Trackinsight has been majority-owned by Kepler Cheuvreux and is part of ETF One, its integrated platform combining ETF Data Services, Research & Advisory, and Execution.
Please note that this article was generated using artificial intelligence based on Trackinsight data and is provided for informational purposes only. AI-generated content may contain errors, omissions, inaccuracies, or fabricated information and should not be relied upon without independent verification. Nothing in this article constitutes investment, financial, legal, or other professional advice. Investors should conduct their own due diligence and consult a qualified financial professional before making any investment decision.
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