Officials from the Treasury Department are currently investigating a tax strategy widely used in Silicon Valley that allows early investors to avoid billions of dollars in taxes. This strategy involves multiplying an expanded capital gains exemption through the use of trusts. The Treasury is looking into curtailing this practice, according to a top department official. The assistant secretary for taxes mentioned that guidance is being developed to address what they perceive as a potentially abusive strategy.

This move by the Treasury and IRS is part of a broader crackdown on tax avoidance. Deputy Treasury Secretary Wally Adeyemo stated that a new initiative targeting abusive partnership transactions is estimated to generate $50 billion in revenue over 10 years, or over $5 billion per year on average. This effort complements recent audits announced for 76 large partnerships, including hedge funds, real estate investment partnerships, and large law firms.

Another significant area of concern for the Treasury is a tax break related to Exchange-Traded Funds (ETFs), which reportedly costs the U.S. government around $48 billion annually. This loophole primarily benefits the highest-earning Americans, with the top 1% saving approximately $13,000 per year on average. If the entire mutual fund industry adopted the ETF strategy, an additional $40 billion in deferred or avoided taxes could result yearly, with $35 billion impacting individuals and $4 billion affecting businesses. This current "torrent" represents a substantial loss of revenue for the Treasury Department.