Morgan Stanley refiles SOL ETF with staking

TLDR

Morgan Stanley has updated and refiled a spot Solana (SOL) ETF proposal that would allow the fund to stake some or all of its SOL holdings and earn on-chain yield.

1. Reports say the amended S-1 for a spot Solana ETF (tickers including MSOL) explicitly permits up to 100% of the funds SOL to be staked, with Coinbase and BNY Mellon involved as key providers.
2. Staking inside a regulated ETF could turn SOL exposure into a yield-bearing product while also locking tokens, potentially tightening liquid supply and amplifying moves in Solanas market.
3. The ETF still needs SEC approval, and regulators could focus on how staking rewards are treated, how risks are disclosed, and whether the structure fits within earlier commodity and staking guidance.

Deep Dive

1. What Morgan Stanley Refiled

Coverage from Tokenpost says Morgan Stanley filed an amended S-1 for a spot Solana ETF under the ticker MSOL, naming Coinbase Custody as custodian and BNY Mellon as administrator, with language allowing up to 100% of holdings to be staked.

A separate analysis notes that Morgan Stanley also refiled a Solana ETF product with staking support under an MSOLsec label, framing it as a staking-enabled institutional SOL vehicle that builds on the 2025 approvals of spot Solana ETFs in the United States.

This keeps the product in the SEC pipeline rather than live on exchanges, but signals Morgan Stanley is willing to push for staking to be part of the design, not an afterthought.

2. Why Staking In An ETF Matters

Staking lets validators earn protocol rewards in exchange for helping secure the network. Putting staking inside an ETF means investors could get both SOL price exposure and a regulated yield stream from the same wrapper.

The amended filing reportedly allows up to 100% of fund SOL to be staked, which could reduce freely tradable supply while the fund is active, a dynamic that often tightens liquidity and can make price swings sharper when flows are large.

This sits on top of growing institutional interest in SOL ETFs and follows a March 2026 move where the SEC and CFTC jointly categorized Solana as a commodity, lowering one regulatory hurdle for such products.

3. Regulatory Questions And Next Steps

The ETF is not approved yet; the SEC still has to decide both on spot SOL exposure and on whether staking inside a fund is consistent with its past enforcement around staking-as-a-service.

Key points regulators may scrutinize include: how staking rewards are accounted for and distributed, how slashing and validator risk are disclosed, and whether staking changes the funds risk profile versus a plain spot ETF.

For SOL holders and watchers, the main things to monitor are: further SEC correspondence on this filing, any changes to the staking percentage language, and whether other issuers follow with their own staking-enabled SOL products.

Conclusion

Morgan Stanleys refiling pushes the frontier from plain spot Solana ETFs toward staking-enabled, yield-bearing structures inside regulated wrappers. If regulators accept this model, it could deepen institutional demand for SOL while also tightening liquid supply, but the final impact will depend on SEC conditions, how aggressively funds actually stake, and how large ETF flows become relative to Solanas on-chain economy.