US spot bitcoin ETFs post $4.06 billion net outflows in June, worst month on record

US spot bitcoin ETFs recorded about $4.06 billion in net outflows in June 2026, according to Crypto Briefing, which called it the worst month on record. The largest single-day outflow in June was $696.3 million. A 12-to-13 day outflow streak from mid-May into early June pulled roughly $4.4 billion from the funds.

• June 2026 net outflows about $4.06 billion (one tally cites $4.5 billion)
• Largest single-day outflow in June $696.3 million
• Outflow streak from mid-May into early June totaled about $4.4 billion