TLDR
Answer: Over the week of 1519 Dec (UTC), the BTC ETFs with net outflows were IBIT, BITB, ARKB, HODL, GBTC, and BTC; FBTC saw net inflows per weekly data.
- Outflow leader: BlackRock iShares Bitcoin Trust (IBIT) with about $240.3M in net outflows (weekly breakdown).
- Other outflows: Bitwise BITB (~$115.1M), ARK 21Shares ARKB (~$100.7M), and VanEck HODL (~$39.2M) per the report above.
- Smaller outflows: Grayscale GBTC (~$27.5M) and BTC (~$7.4M); Fidelity FBTC had about $33.1M in net inflows, per the page above.
Deep Dive
1. Outflow Leaders
The largest weekly outflow was in BlackRocks IBIT at about $240.3M, within a total weekly outflow near $497M across the US spot BTC ETF set (weekly breakdown).
- The same weekly dataset shows aggregate net outflows of roughly $497M from BTC ETFs for 1519 Dec (UTC), reflecting softer institutional demand.
- Holiday-period caution and lighter liquidity also showed up in daily prints, with net outflows of about $175M on 24 Dec led by IBIT (CoinDesk daily update).
If IBIT continues to dominate outflows, it can dampen BTC liquidity in the short run. Watch whether flows flip positive after holidays.
2. Other Outflows
Bitwise BITB (~$115.1M), ARK 21Shares ARKB (~$100.7M), and VanEck HODL (~$39.2M) also had weekly net outflows, corroborated by an independent summary (weekly list).
- The same summary notes Grayscale GBTCs weekly outflows were smaller in size relative to IBIT and ARKB.
- The breadth of redemptions across multiple issuers suggests a broader de-risking rather than a single-fund issue.
Multi-fund redemptions point to system-wide caution. For positioning, monitor breadth (how many ETFs print outflows) as much as the headline total.
3. One Inflow Amid Redemptions
Fidelitys FBTC recorded a modest weekly net inflow of about $33.1M, bucking the overall trend, as noted in the weekly dataset above.
- FBTCs inflow indicates some investors are rotating rather than exiting entirely, even while aggregate flows remain negative.
- Daily context shows outflows persisted into the following week, led again by IBIT on 24 Dec (CoinDesk daily update).
A single inflow fund suggests selective confidence. If inflows broaden beyond FBTC, it could mark an early turn in sentiment.
Conclusion
Weekly outflows were broad (IBIT, BITB, ARKB, HODL, GBTC, BTC), with FBTC the notable exception on inflows. That pattern, coupled with holiday-thin liquidity, points to short-term caution rather than a structural shift. Watch whether flows stabilize or turn positive after the holiday period; breadth and leader-fund prints will be the clearest signals.
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