ANTW is trading at $22.12, up 3.85% after hours; no clear ANTW-specific announcement or late-breaking catalyst was identified.

  • The regular-session close was $21.30.
  • Available search results describe ANTW as the Anthropic AI Lab Ecosystem ETF, with substantial technology-related holdings.
  • The supplied market picture is mixed and does not establish a broader-market or sector move as the direct reason for the gain; no volume or trading-activity details were provided.