Morgan Stanley Advances MSBT Spot Bitcoin ETF With $1M Seed Plan

Amended S-1 Filing Defines Structure, Pricing Benchmark, Authorized Participants, and Operational Mechanics for Proposed ETF

TL;DR

• Morgan Stanley filed a second amended S-1 outlining its spot Bitcoin ETF under ticker MSBT with defined custody, trading partners, and listing plans
• The trust will launch with a $1 million seed investment tied to 50,000 shares and operate using 10,000-share creation baskets
• Coinbase, BNY Mellon, Virtu, Jane Street, and Macquarie are named across custody, execution, and market-making roles

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Morgan Stanley filed Amendment No. 2 to its Form S-1, advancing its proposed spot Bitcoin exchange-traded fund with a fully defined structure that identifies NYSE Arca as the intended listing venue and confirms the ticker symbol MSBT. The filing describes the product as a passive investment vehicle designed to track Bitcoin performance without using leverage, derivatives, or active trading strategies, positioning the trust as a direct exposure instrument tied to underlying crypto price movements.

The trust’s valuation framework is anchored to the CoinDesk Bitcoin Benchmark 4PM NY Settlement Rate, which is used to calculate net asset value based on aggregated executed trade flow across major spot markets. 

Custody and operational responsibilities are split between traditional finance and crypto-native infrastructure, with The Bank of New York Mellon and Coinbase Custody Trust Company named as Bitcoin custodians, while BNY Mellon also handles cash administration functions. Coinbase, Inc. is identified as the prime broker and Coinbase Credit, Inc. as the lender, with both acting as Bitcoin counterparties supporting execution and liquidity operations tied to share creation and redemption flows.

Creation and redemption mechanics are defined through standardized basket structures of 10,000 shares per unit, allowing authorized participants to transact using either cash or in-kind Bitcoin. When cash is used, the delegated sponsor instructs a Bitcoin counterparty to acquire the corresponding assets, while in-kind transactions allow direct Bitcoin transfers into the trust. Redemptions follow a reverse process in which Bitcoin may be sold through counterparties, with trading costs and execution slippage allocated to the authorized participant.

Authorized participants listed in the filing include Virtu Americas LLC, Jane Street Capital, LLC, and Macquarie Capital (USA) Inc., establishing the primary market infrastructure responsible for maintaining alignment between ETF share pricing and underlying Bitcoin value through arbitrage activity. The trust also outlines that shares will trade publicly under the confirmed MSBT ticker once regulatory approval is granted.

Seeding arrangements are specified with precise figures, stating that initial seed creation baskets will comprise 50,000 shares with total anticipated proceeds of $1 million, which will be used to acquire Bitcoin prior to listing. A preliminary audit seed transaction already occurred on March 9, 2026, when two shares were purchased at $50 per share for $100 in proceeds, with those shares scheduled to be redeemed before the registration becomes effective.

Fee disclosures remain partially incomplete, with the delegated sponsor fee left unspecified as a placeholder percentage, though the filing states that the trust will operate under a unitary fee model covering expenses such as custody, administration, marketing, listing, audit, and regulatory costs. Extraordinary expenses, including litigation-related costs, may be charged separately as additional trust expenses, and no predetermined cap on sponsor-paid expenses is disclosed.

Governance of the trust is structured across multiple entities, with Morgan Stanley Investment Management Inc. acting as delegated sponsor, CSC Delaware Trust Company serving as Delaware trustee, and AGS Trustees Limited designated as Cayman trustee with primary oversight responsibilities. The trust has no operating history and no fixed termination date, according to the prospectus.

Coverage describing the filing states, “Morgan Stanley filed a second amended S-1 for its proposed spot Bitcoin exchange-traded fund (ETF), detailing seed capital, trading partners and listing plans as the Wall Street bank moves closer to launching the product under the ticker MSBT,” while also noting that the firm is transitioning from distributing third-party ETFs to issuing its own product.

The same reporting adds that Morgan Stanley had previously recommended a 2% to 4% crypto allocation for eligible clients and operates a network of about 15,000 financial advisors, providing internal distribution capacity for the product. Broader industry context notes that spot Bitcoin ETFs have already attracted more than $56 billion in assets, as large financial institutions continue expanding access to crypto-linked investment vehicles.

Additional reports describe the filing as part of a broader Wall Street trend, with Bank of America allowing advisers to recommend exposure to four Bitcoin ETFs starting Jan. 5, 2026, and Vanguard enabling crypto ETF trading one day earlier. The proposed MSBT product is also described as potentially the first directly issued spot Bitcoin ETF by a major U.S. bank, entering a competitive market shaped by existing crypto price and coin market cap dynamics.

This article has been refined and enhanced by ChatGPT.