IRS Tightened Rules for ETF Conversions
New guidance targets specific fund conversion strategies that may result in taxable exchanges for investors.
Updated on Oct. 14, 2026 in Investing

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The IRS has issued new guidance, Notice 2026-62 and Revenue Ruling 2026-20, aimed at certain exchange-traded fund conversions known as Section 351 deals. This update affects investors in funds that may be used as conduits for tax-deferral strategies.
Why it matters
The IRS is scrutinizing strategies designed to capture tax benefits without a clear investment thesis, potentially recharacterizing these arrangements as taxable events. This shift impacts how fund sponsors structure offerings to ensure they meet the agency's requirements for tax-deferred status.
There are currently more than $40 billion in assets held across 100 ETFs seeded using Section 351 methods since 2021. The IRS is now re-evaluating these arrangements to determine if they qualify for tax-deferral.
The players
IRS
The federal agency responsible for tax administration, policy enforcement, and the oversight of financial compliance across the United States.
The details
The IRS guidance recharacterizes transactions as taxable exchanges if an ETF acts as a conduit for securities that do not match the fund's stated investment strategy. Previously, some ETFs would issue shares to an authorized participant for matching securities, then quickly redeem them for non-fitting holdings to defer taxes. Moving forward, tax deferral will require a portfolio of diversified stocks rather than a single concentrated holding to remain compliant.
Timeline
More than 100 ETFs have been seeded in-kind using Section 351 since 2021.
The IRS issued Notice 2026-62 and Revenue Ruling 2026-20 on September 28, 2026.
Money Landscape
This guidance clarifies the application of Section 351 of the Internal Revenue Code regarding the tax treatment of fund conversions. It represents a pivot by the IRS to limit tax-deferral strategies that lack a distinct investment thesis.
Investors currently holding funds structured through Section 351 conversions should monitor for updates from their fund sponsors regarding tax compliance. Speak with a qualified tax professional to understand if your portfolio's funds could be impacted by this recharacterization.
The takeaway
The IRS is increasing scrutiny on tax-motivated ETF conversions, signaling a shift toward requiring clear investment justifications for tax-deferral. Investors should review their fund prospectuses for details on investment strategies and discuss potential tax implications with a professional.
Further reading
For more on managing fund portfolios and tax implications, visit our Investing section.
Source note: This article includes information reported by InvestmentNews.
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