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21Shares Ethereum ETF (TETH), now named 21Shares Ethereum Staking ETF, updates its prospectus to reflect a benchmark change, fee timing change and added risk disclosure. Effective August 27, 2026, the fund’s NAV moves from the CME CF Ether-Dollar Reference Rate – New York Variant to the FTSE Ethereum Index, which uses a 60‑minute, 15‑second VWAP methodology across screened ether “Constituent Exchanges.”
The fund continues to passively track ether (with potential staking) but warns that methodological and venue differences between the prior and new index can cause material NAV deviations versus the old benchmark, especially during a transition period. As of July 31, 2026, Kraken represented 42.667% of index trading volume, with several other exchanges holding smaller shares. The 0.21% Sponsor Fee still accrues daily but is now payable in ether at least quarterly in arrears. The FTSE index does not track airdrops, so the Trust will not recognize airdrop benefits.
21Shares Ethereum ETF (TETH), now renamed 21Shares Ethereum Staking ETF, reports several structural changes. The sponsor, 21Shares US LLC, entered into a Benchmark Licensing Agreement with FTSE International Limited on August 20, 2026, granting a non-exclusive worldwide license to use the FTSE Ethereum Index as the fund’s pricing benchmark. Beginning August 27, 2026, the trust will value its shares and calculate net asset value by reference to this FTSE Ethereum Index instead of the CME CF Ether-Dollar Reference Rate – New York Variant. The license has an initial one-year term and renews automatically for successive one-year periods unless terminated under its terms.
On August 26, 2026, the trust entered into Amendment No. 2 to the Sponsor Agreement, changing the Sponsor Fee payment timing from weekly in arrears to at least quarterly in arrears, payable in ether. On August 25, 2026, a Certificate of Amendment was filed to change the trust’s name to 21Shares Ethereum Staking ETF, and on August 26, 2026, a Fourth Amended and Restated Trust Agreement was executed to reflect the new benchmark, fee timing, name change, and other ministerial and technical revisions, which are stated not to materially impact the rights of the trust or holders of shares.
21Shares Ethereum ETF reported a sharp contraction in size for the six months ended June 30, 2026. Net assets fell from $31,298,450 at December 31, 2025 to $12,916,751, a 58.73% decrease, as the price of ether declined 46.89% from $2,971.02 to $1,578.01. Shares outstanding fell from 2,110,000 to 1,640,000, reflecting more redemptions than creations.
The Trust held 8,185.4684 ether at June 30, 2026, all Level 1 fair value, with 86.42% staked and an average of 27.32% staked year-to-date. Staking generated $90,018 of rewards and, after $22,488 of Staking Fees, produced $67,530 of net investment income. Cash distributions funded by staking totaled $57,129, or $0.032374 per share.
Despite positive staking income, a net realized loss of $12,768,869 on ether sold for redemptions drove a net decrease in net assets from operations of $(12,073,301) and reduced NAV per share from $14.83 to $7.88. The Sponsor’s 0.21% unitary fee was fully waived during the period, limiting expenses mainly to the Staking Fee. The Trust remains an emerging growth company and reported effective disclosure controls with no material legal proceedings. A change of pricing benchmark provider from CF Benchmarks to FTSE is planned for August 2026 and is not expected to materially affect NAV.
21Shares Ethereum ETF is changing the benchmark it uses to value its shares. The sponsor, 21Shares US LLC, has given CF Benchmarks notice that their licensing agreement for the CME CF Ether-Dollar Reference Rate – New York Variant will end effective August 31, 2026.
This benchmark is currently used each day to value the ETF’s shares and calculate its net asset value. The sponsor plans to enter a new licensing agreement with FTSE International Limited on or about August 24, 2026, allowing the ETF to use FTSE digital asset index data under a one-year term that automatically renews.
21Shares Ethereum ETF reports unaudited results for the quarter ended March 31, 2026. Net asset value fell from $31,298,450 to $18,191,793, as ether dropped about 29% from $2,971.02 to $2,094.53 and shares outstanding declined from 2,110,000 to 1,740,000.
The Trust recorded a net decrease in net assets from operations of $(7,993,753), driven by $(9,135,133) in realized losses on ether sold for redemptions and distributions, partly offset by $1,094,647 of unrealized appreciation. NAV per share declined from $14.83 to $10.46, a total return of (29.33)%.
The Trust began generating staking income, earning Staking Rewards of $62,288 while staking an average of 22.69% of its ether. After a $15,555 Staking Fee, net investment income was $46,733. Cash distributions funded by staking totaled $41,605, or $0.022908 per share. The Sponsor Fee of 0.21% remained fully waived during the quarter, so ongoing expenses were limited mainly to the Staking Fee.