Morgan Stanley has filed a spot Bitcoin ETF with the SEC, naming it the Morgan Stanley Bitcoin Trust and selecting Coinbase custody and BNY Mellon custody as custodians for its BTC holdings. The Bitcoin ETF filing, submitted on March 4, 2026, signals a significant push toward institutional crypto adoption from one of Wall Street’s biggest names.
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How Morgan Stanley’s Bitcoin ETF Filing and Custody Choices Signal Adoption
The Morgan Stanley Bitcoin ETF Structure
The S-1 registration statement details how the Morgan Stanley BTC ETF will hold the coin directly, without derivatives, tracking price via the CoinDesk BTC Benchmark 4PM New York Settlement Rate. Most assets will be kept in cold storage, with a portion temporarily moved to hot wallets during share creation and redemption.

The filing stated:
“The Bitcoin custodians are chartered as a New York state bank, in the case of BNY, and as a New York state limited liability trust company, in the case of Coinbase custodian. The Bitcoin custodians provide custody and trade execution services for digital assets.”
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What It Means for Institutional Crypto Adoption
Jeff Park, advisor at Bitwise, said about the Morgan Stanley Bitcoin ETF launch:
“It means the market is much bigger than even crypto professionals anticipated, especially to reach new customers.”
Morgan Stanley CEO Ted Pick also stated on the firm’s Q4 2025 earnings call:
“We are well positioned now in the crypto and tokenized asset space — there is a lot for us to do there.”
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Where Bitcoin Stands Right Now
Bitcoin is currently down around 42% from its all-time high of approximately $126,000. The Morgan Stanley ETF filing and the Coinbase custody and BNY Mellon custody selections were made during this downturn, reinforcing that institutional crypto adoption at this scale is about long-term positioning.