What changed in BTC ETF AUM?

TLDR

Bitcoin ETF AUM fell about 3.37 billion USD over the past week (?2.81%) to roughly 116.58 billion USD for 19 Dec25 Dec (UTC).

1. Net flows were negative last week, with roughly 497 million USD out, per a weekly outflows report.
2. Daily outflows continued early this week (about 142 million USD on 22 Dec), as noted in a flow update.

Deep Dive

1. AUM Change

BTC ETF AUM declined from 119.95 billion USD on 19 Dec to 116.58 billion USD on 25 Dec (UTC), a ?2.81% weekly change. The absolute decrease is approximately 3.37 billion USD. This reflects a combination of price-driven AUM compression and net redemptions. When Bitcoins price pulls back and flows turn negative, AUM falls even if cumulative holdings remain sizable.

2. Flows And Drivers

Flows were net negative last week, with around 497 million USD out over 1519 Dec, per a weekly outflows summary.

1. Early this week showed continued pressure, including about 142 million USD net out on 22 Dec, per a daily update.
2. The broader pattern included multiple consecutive days of outflows, with analysts citing year?end tax?loss harvesting and de?risking as contributors, as discussed in an institutional outflows note.
3. Despite recent redemptions, cumulative net inflows remain large and total net assets still hover near 115 billion USD, per an assets snapshot.

Institutional behavior varies by fund. Some products occasionally attract inflows even on net?redemption days, while others see more consistent outflows, which can temporarily mask demand in headline aggregates.

Conclusion

BTC ETF AUM declined this week as price weakness and several sessions of net outflows compressed assets. If net inflows resume and price stabilizes, AUM should recover. Monitoring daily flow prints and week?over?week totals is key; persistent redemptions could keep AUM under pressure, while a return to inflows would likely support a rebound.