Morgan Stanley's MSBT Bitcoin ETF Wallets Now Publicly Trackable via Arkham

Blockchain analytics firm Arkham Intelligence has identified and publicly labeled three onchain custodian wallets backing Morgan Stanley’s MSBT spot Bitcoin ETF, enabling near–real-time tracking of the fund’s BTC holdings. As of April 18, 2026 the labeled addresses held 1,348 BTC (about $102.1M). MSBT, which launched April 8, 2026 and charges a 0.14% expense ratio (below rivals), has shown steady inflows including transfers of 177.757 BTC and 209.296 BTC in recent days. Arkham’s labeling increases transparency around institutional accumulation and gives market participants a live window into ETF flows that can influence liquidity, sentiment and price discovery for bitcoin.