The US Securities and Exchange Commission (SEC) received the 21Shares SEI ETF filing from the crypto asset manager on Thursday. The exchange-traded fund aims to track the price of SEI, similar to Capital Canary’s April 2025 application.
According to an S-1 registration statement filed with the SEC, the proposed 21Shares SEI ETF is designed to offer investors exposure to the crypto asset SEI, while also providing an additional yield through staking.

21Shares SEI ETF Filing
As the US Securities and Exchange Commission works towards creating regulatory clarity within the crypto ecosystem, there has been an observable shift to altcoin ETFs and potentially away from the leading cryptocurrencies. The 21Shares SEI ETF filing itself seeks to position the Sei network’s native token as a bridge between traditional finance and decentralized finance.
The integration of direct token holdings with potential staking capabilities will enable the ETF to address the gap between diversification and passive income generation. According to the filing, the primary objective of the 21Shares SET ETF filing was to “seek to track the performance of SEI,” in addition to generating “rewards from staking a portion of the Trust’s SEI.”
Also read: XRP and Solana Lead ETF Filings as SEC Reviews 72 Altcoin Applications

SEI is Used for Governance, Fees, and Staking
Commenting on the development, Krishnendu Chatterjee, CEO and co-founder of A2ZCryptoInvestment, stated:
“Highly likely that 21Shares’ SEI ETF would be accepted and would be available along with Bitcoin and Ethereum ETFs […] 21Shares SEI ETF is a step towards broader application towards regulated alt investment (including staking benefits).”
The proposed 21Shares SEI ETF filing aims to track the CF SEI-Dollar Reference Rate in USD. The product has been designed as a passive fund that will hold SEI in custody with Coinbase Trust but won’t use derivatives or leverage.
Additionally, the fund will also stake part of the SEI holdings for additional rewards. The Sei network is an L1 blockchain network designed for exchange-focused apps and high-speed trading. The network’s native token, SEI, is utilized for governance, transaction fees, and staking.
Also read: Solana ETF Approval Hopes Rise as SEC Officially Acknowledges Filings
90% Odds of Approval
The 21Shares ETF filing occurs amid a growing shift toward altcoin ETFs, particularly in terms of applications. Already, asset managers VanEck, Bitwise, and Grayscale have submitted S-1s for Solana. Additionally, several other issuers have already filed applications for XRP, Cardano, Dogecoin, HBAR, and Litecoin.
According to a post by leading Bloomberg analyst James Seyffart on social media platform X, there were 90% odds that most of these funds would get approved. The filing by 21Shares joins a growing list of applications, including Canary Capital, that have filed the pioneer S-1 SEI ETF application, followed by Cboe with a 19b04 application for its staked version.
Conclusion
The 21Shares SEI ETF filing introduces more than a new product to the cryptocurrency market; it represents a signal towards a new era of crypto investment. By integrating institutional-level infrastructure with innovations like crypto staking, the move addresses challenges such as regulatory compliance, yield, and liquidity. As the SEC reviews the applications, its approval could set a precedent for future altcoin ETFs and enhance the shift to altcoin ETFs.
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Summary
- The US SEC has received the 21Shares SEI ETF filing that seeks to track the price of SEI with potential staking rewards for additional yield.
- The application by the asset joins a set of altcoin ETF filings targeting smaller digital assets beyond Bitcoin and Ethereum.
- The fund is designed to hold SEI tokens and leverage staking rewards, potentially addressing diversification and passive income gaps in institutional crypto investment.
- Canary Capital filed a similar SEI ETF application last May.
Glossary of Key Terms
ETFs: Cryptocurrency ETFs track the price performance of cryptocurrencies by investing in a portfolio linked to their instruments and are traded on regular stock exchanges.
Staking: Locking up some of your cryptocurrency to help secure a blockchain network and process transactions, and in return, you earn rewards.
Altcoins: “Altcoin” is a hybrid of “alternative” and “coin,” signifying that these currencies emerged as alternatives to Bitcoin after it pioneered the cryptocurrency space.
Asset managers: A financial professional or firm that invests and manages money and other financial assets on behalf of clients, including individuals, corporations, and institutions.
Frequently Asked Questions for ETFs and Altcoins
How do ETFs work?
ETF providers own the underlying assets, design a fund to track their performance, and then sell shares in that fund to investors. Shareholders own a portion of an ETF, but they don’t own the underlying assets in the fund.
Which coins are in ETFs?
ETFs invest in derivatives like swap agreements, futures contracts, and similar instruments that provide indirect exposure to bitcoin, ether, Solana, or XRP and do not invest directly in bitcoin, ether, Solana, or XRP.
How many types of Altcoins are there?
There are several categories of altcoins, including payment tokens, stablecoins, security tokens, utility tokens, meme coins, and governance tokens, each with distinct functions and applications.
Who controls ETFs?
In the US, the SEC regulates ETFs under the exact regulatory requirements as mutual funds and unit investment trusts (UITs).

