Morgan Stanley Investment Management has moved to capture higher yields for digital asset investors by adding a staking component to its proposed Ethereum and Solana exchange-traded funds (ETFs). The firm filed amended S-1 registration statements with the U.S.
Securities and Exchange Commission (SEC) on June 18, 2026, detailing a structure where 95% of staking rewards will stay within the trusts to benefit shareholders. Under the new terms, the bank will charge a 0.14% annual sponsor fee while passing the vast majority of network-generated rewards back into the funds’ net asset value.
The updated filings for the Morgan Stanley Ethereum Trust (MSSE) and the Morgan Stanley Solana Trust (MSOL) signal a shift in how Wall Street institutions approach “proof-of-stake” assets. Unlike the initial wave of spot crypto products that focused solely on price exposure, these amended versions treat the underlying tokens as productive assets.
Staking rewards and fee structures for Ethereum and Solana
By including staking, Morgan Stanley aims to narrow the gap between the spot price of the tokens and the total return usually available to individual investors who stake their holdings directly on-chain.
According to the documents, third-party staking service providers and custodians will receive 5% of the staking rewards as compensation for managing the technical infrastructure. Remaining rewards will accrue directly to the trusts, theoretically increasing the value of each share over time.
This development follows the bank’s successful launch of the Morgan Stanley Bitcoin Trust (MSBT) on April 8, 2026, as the firm continues to build out its suite of institutional-grade digital investment products.
The 0.14% sponsor fee is a competitive entry in the current ETF market, but the real draw for institutional clients is the internal reward-sharing model. Morgan Stanley explicitly stated that the sponsor will not receive any portion of the staking rewards beyond the fixed management fee.
This transparent approach addresses common concerns about “yield skimming,” where fund managers might otherwise keep a larger slice of the network rewards for themselves.
For the Solana Trust, the filing indicates a high level of flexibility, suggesting the fund could potentially stake up to 100% of its holdings. This aggressive stance reflects the high participation rates in the Solana network.
It also serves as a sharp contrast to some competitors who have struggled to integrate staking due to regulatory friction or liquidity concerns. The bank has already confirmed that Morgan Stanley expanded Bitcoin access for its wealth clients earlier this year, setting the stage for these more complex altcoin products.
Managing validator risks and slashing penalties
Staking is not without its technical hazards, a fact Morgan Stanley acknowledged in its risk disclosures. Staked Ether remains vulnerable to “slashing,” a protocol-level penalty where a portion of the collateral is confiscated if a validator acts maliciously or suffers significant downtime.
To mitigate these risks, the trust will rely on professional third-party operators to run the necessary hardware and software on behalf of the fund.
For the Solana product, the bank noted that custodians will not have control over the private keys associated with delegated SOL tokens. This separation of duties is designed to enhance security, ensuring that the entities managing the staking process cannot unilaterally move the underlying assets. These safeguards are increasingly important as the com/ethereum-price-accumulation-generational-opportunity-2026″>Ether enters rare accumulation phase and more investors look for secure ways to earn yield without the burdens of self-custody.
Network constraints and the Ethereum validator queue
A significant portion of the Ethereum filing was dedicated to the practical realities of entering the staking market. As of May 18, 2026, the network faced a massive validator activation queue consisting of roughly 3.64 million ETH.
This backlog creates a bottleneck for any large fund attempting to deploy capital quickly, as the Ethereum protocol limits how many new validators can join the network per epoch.
Morgan Stanley estimates that approximately 57,600 ETH can enter the staking pool daily across the entire network. Based on these constraints, the filing warns that newly acquired Ether could face a waiting period of roughly 63 days before it begins earning rewards.
This “entry delay” means that early investors in the ETF might not see the full benefit of staking yields immediately upon the fund’s launch.
Operational procedures for institutional staking
- Custodians will deposit ETH directly into Ethereum staking smart contracts.
- Third-party providers will operate validators to secure the network.
- Solana holdings will be delegated to validators without transferring private keys.
- Rewards will be periodically reflected in the daily Net Asset Value (NAV).
Strategic partnerships and the Galaxy Digital referral
The progress on these ETFs matches Morgan Stanley’s broader push into crypto-linked services for its elite clientele. On June 5, 2026, the bank announced a referral arrangement with Galaxy Digital. This partnership allows high-net-worth individuals to convert their existing digital asset holdings into regulated investment products without needing to sell their coins for cash first.
This “in-kind” style onboarding can cut the time required for clients to move from raw crypto holdings to ETP shares by up to 75%. It also ensures they maintain market exposure throughout the transition. While the com/bitcoin-volatility-warning-institutional-pullback-2026″>Bitcoin volatility warning remains a concern for some conservative desks, the addition of staking rewards for Ethereum and Solana provides a compelling “total return” story that was previously missing from the institutional crypto market.
The SEC has not yet set a definitive approval date for these amended filings. However, the level of granular detail provided regarding reward distribution and validator mechanics suggesting Morgan Stanley is preparing for a rigorous review process. If approved, these trusts would represent some of the first U.S.-listed spot ETFs to successfully integrate on-chain yield for their shareholders.