The Big Take

‘Black Holes for Capital Gains’: New Tax Trick Takes Off in ETFs

Investors are seeding ETFs with appreciated assets, taking advantage of an infamous loophole to wash out taxable gains.

Illustration: Joel Plosz

Officially, the Twin Oak Active Opportunities ETF exists to seek “long-term capital appreciation.” Unofficially it has a second, more cunning, purpose.

TSPX, to use the fund’s ticker, debuted in February without much marketing. Yet it launched with nearly $450 million in assets and almost immediately received a $99 million inflow — amazing numbers for a virtually unknown ETF.