Since early 2023 hedge funds have attracted roughly $90bn by blending market‑beating returns with tax‑loss harvesting, a model dubbed “tax alpha.” AQR Capital Management and Quantinno Capital lead the wave, employing leverage and algorithmic trading to generate large, repeatable losses that offset gains and ordinary income. Investors chase the dual benefit of pre‑tax performance and tax deferral.

The approach expands on traditional long‑only loss harvesting by shorting securities and using swaps to create both capital and income losses. AQR added $47bn and Quantinno $39bn in assets over the past year, pushing tax‑aware funds to represent about one‑third of AQR’s portfolio. Firms such as Two Sigma and WorldQuant have launched comparable products, intensifying competition for wealthy clients.

Critics warn that leverage and short positions amplify risk, especially in a market downturn, and that regulators may tighten rules if the IRS or a Democratic administration targets aggressive tax planning. Minimum investments have risen sharply—JPMorgan now requires $25‑$50mn for its tax‑aware vehicles—signalling that only the most affluent can access the strategy. The surge underscores a shift toward fee‑rich, tax‑focused products in the hedge fund market.