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This Form 10-K contains “forward-looking statements” within the meaning of Section 27A of the Securities
−Removed: Act of 1933, as amended, and Section 21E of the Exchange Act, and such forward-looking statements involve risks and uncertainties.
−Removed: statements (other than statements of historical fact) included in this Form 10-K that address activities, events or developments that
−Removed: may occur in the future, the Trust’s operations, the Sponsor’s plans and references to the Trust’s future success and
−Removed: other similar matters are forward-looking statements.
−Removed: Words such as “could,” “would,” “may,” “expect,”
−Removed: “intend,” “estimate,” “predict,” and variations on such words or negatives thereof, and similar expressions
−Removed: that reflect our current views with respect to future events and Trust performance, are intended to identify such forward-looking statements.
−Removed: These forward-looking statements are only predictions, subject to risks and uncertainties that are difficult to predict and many of which
−Removed: are outside of our control, and actual results could differ materially from those discussed.
−Removed: Forward-looking statements involve risks
−Removed: and uncertainties that could cause actual results or outcomes to differ materially from those expressed therein.
+Added: Act, and Section 21E of the Exchange Act, and such forward-looking statements involve risks and uncertainties.
+Added: All statements (other than
+Added: statements of historical fact) included in this Form 10-K that address activities, events or developments that may occur in the future,
+Added: the Trust’s operations, the Sponsor’s plans and references to the Trust’s future success and other similar matters are
+Added: forward-looking statements.
+Added: Words such as “could,” “would,” “may,” “expect,” “intend,”
+Added: “estimate,” “predict,” and variations on such words or negatives thereof, and similar expressions that reflect
+Added: our current views with respect to future events and Trust performance, are intended to identify such forward-looking statements.
+Added: forward-looking statements are only predictions, subject to risks and uncertainties that are difficult to predict and many of which are
+Added: outside of our control, and actual results could differ materially from those discussed.
+Added: Forward-looking statements involve risks and
+Added: uncertainties that could cause actual results or outcomes to differ materially from those expressed therein.
We express our estimates,
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trust, formed on September 5, 2023, pursuant to the DSTA.
−Removed: The Trust operates pursuant to an Amended and Restated Trust Agreement (the
−Removed: “Trust Agreement”).
−Removed: The Trust is not registered as an investment company under the 1940 Act and is not a commodity pool for
−Removed: purposes of the CEA.
−Removed: The Trust is managed and controlled by the Sponsor.
−Removed: The Sponsor is a limited liability company formed in the state
−Removed: of Delaware on June 16, 2021, and is a wholly owned subsidiary of Jura Pentium Inc., whose ultimate parent company is 21co Holdings Limited
−Removed: (formerly known as Amun Holdings Limited).
−Removed: The Sponsor is not subject to regulation by the CFTC as a commodity pool operator with respect
−Removed: to the Trust, or a commodity trading advisor with respect to the Trust.
−Removed: The Trust is an exchange-traded fund that issues units of beneficial
−Removed: interest representing fractional undivided beneficial interests in its net assets that trade on the Exchange.
−Removed: The Shares are listed for
−Removed: trading on the Exchange under a ticker symbol “CETH”.
+Added: The Trust operates pursuant to the Trust Agreement.
+Added: The Trust is not registered
+Added: as an investment company under the 1940 Act, and is not a commodity pool for purposes of the CEA.
+Added: The Trust is managed and controlled
+Added: by the Sponsor.
+Added: The Sponsor is a limited liability company formed in the state of Delaware on June 16, 2021, and is a wholly owned subsidiary
+Added: of 21co Holdings Limited (formerly known as Amun Holdings Limited).
+Added: The ultimate parent company of 21co Holdings Limited is FalconX, a
+Added: leading institutional digital asset prime brokerage.
+Added: The Sponsor is not subject to regulation by the CFTC as a commodity pool operator
+Added: with respect to the Trust, or a commodity trading advisor with respect to the Trust.
+Added: The Trust is an exchange-traded fund that issues
+Added: common shares of beneficial interest representing fractional undivided beneficial interests in its net assets that trade on the Exchange.
+Added: The Shares are listed for trading on the Exchange under the ticker symbol “TETH”.
The Sponsor served as the
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On May 1, 2024, the Sponsor, in its capacity as Seed Capital Investor, subject to certain
−Removed: conditions, purchased 2 Shares at a per-Share price of $50.00 (the “Seed Creation Baskets”).
+Added: conditions, purchased two Shares at a per-Share price of $50.00 (the “Initial Seed Shares”).
Total proceeds to the Trust from
−Removed: the sale of these Seed Creation Baskets were $100.
−Removed: Delivery of the Seed Creation Baskets was made on May 1, 2024.
−Removed: On June 18, 2024 (the “Seed
−Removed: Capital Purchase Date”), 21Shares US LLC, in its capacity as Seed Capital Investor, purchased the initial Seed Creation Baskets
−Removed: comprising 20,000 Shares (the “Initial Seed Creation Baskets”).
−Removed: In its capacity as the Seed Capital Investor, 21Shares US
−Removed: LLC has acted as a statutory underwriter in connection with this purchase.
−Removed: The total proceeds to the Trust from the sale of the Initial
−Removed: Seed Creation Baskets were $340,739.
−Removed: On June 18, 2024, the Trust purchased ether with the proceeds of the Initial Seed Creation Baskets
−Removed: by transacting with an Ether Counterparty to acquire ether on behalf of the Trust in exchange for cash provided by 21Shares US LLC in
−Removed: its capacity as Seed Capital Investor.
−Removed: All ether acquired in connection with the Initial Seed Creation Baskets is held by the ether Custodians.
+Added: the sale of the Initial Seed Shares were $100.
+Added: Delivery of the Initial Seed Shares was made on May 1, 2024.
+Added: On June 18, 2024 (the “Seed Capital Purchase Date”),
+Added: the Sponsor, in its capacity as Seed Capital Investor, purchased the initial Seed Creation Baskets comprising 20,000 Shares (the
+Added: “Initial Seed Creation Baskets”).
+Added: In its capacity as the Seed Capital Investor, the Sponsor has acted as a statutory underwriter
+Added: in connection with this purchase.
+Added: The total proceeds to the Trust from the sale of the Initial Seed Creation Baskets were $340,739.
+Added: June 18, 2024, the Trust purchased ether with the proceeds of the Initial Seed Creation Baskets by transacting with an ether Trading
+Added: Counterparty to acquire ether on behalf of the Trust in exchange for cash provided by the Sponsor in its capacity as Seed Capital Investor.
+Added: On July 22, 2025, the Sponsor redeemed its Initial Seed Creation Basket of 20,000 Shares.
+Added: All ether acquired in connection with the Initial
+Added: Seed Creation Baskets is held by the Custodians.
The Trust’s investment
−Removed: objective is to seek to track the performance of ether, as measured by the performance of the CME CF Ether-Dollar Reference Rate—New
−Removed: York Variant, adjusted for the Trust’s expenses and other liabilities.
+Added: objective is to seek to track the performance of ether, as measured by the performance of the Index, adjusted for the Trust’s expenses
+Added: and other liabilities, and to reflect rewards from staking a portion of the Trust’s ether, to the extent the Sponsor in its sole
+Added: discretion determines that the Trust may do so without undue legal or regulatory risk, such as, without limitation, the risk of jeopardizing
+Added: the Trust’s ability to qualify as a grantor trust for U.S.
+Added: Federal income tax purposes.
CF Benchmarks Ltd.
−Removed: is the administrator for the Index (the
−Removed: “Index Provider”).
+Added: is the Index Provider.
The Index is designed to reflect the performance of ether in U.S.
−Removed: In seeking to achieve its investment
−Removed: objective, the Trust holds ether at its Custodians and values its Shares daily based on the Index.
−Removed: The Trust is a passive investment vehicle
−Removed: and is not a leveraged product.
+Added: In seeking to achieve its investment objective, the Trust holds
+Added: ether at its Custodians and values its Shares daily based on the Index.
+Added: The Trust is a passive investment vehicle and is not a leveraged
The Sponsor does not actively manage the ether held by the Trust.
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in Creation Baskets of 10,000 or multiples thereof.
−Removed: Creation Baskets are issued and redeemed in exchange for cash.
−Removed: Individual Shares will
−Removed: not be redeemed by the Trust but are listed and traded on the Exchange under the ticker symbol “CETH”.
−Removed: The Trust issues Shares
−Removed: in Creation Baskets on a continuous basis at the applicable NAV per Share on the creation order date.
+Added: Creation Baskets are issued and redeemed in exchange for cash or for ether.
+Added: Shares will not be redeemed by the Trust but are listed and traded on the Exchange under the ticker symbol “TETH”.
+Added: issues Shares in Creation Baskets on a continuous basis at the applicable NAV per Share on the creation order date.
The Trust pays the unitary
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performed under the Trust Agreement.
−Removed: The Sponsor is waiving the entire Sponsor Fee for (i) a six-month period which commenced on July
−Removed: 23, 2024 (the day the Trust’s Shares were initially listed on the Exchange), or (ii) the first $500 million of Trust assets, whichever
−Removed: Except for during periods during which the Sponsor Fee is being waived, the Sponsor Fee accrues daily and is payable in ether
−Removed: weekly in arrears.
−Removed: The Administrator calculates the Sponsor Fee on a daily basis by applying a 0.21% annualized rate to the Trust’s
−Removed: total ether holdings, and the amount of ether payable in respect of each daily accrual is determined by reference to the Index.
+Added: The Sponsor agreed to waive the entire Sponsor Fee for (i) a six-month period which commenced on
+Added: July 23, 2024 (the day the Trust’s Shares were initially listed on the Exchange), or (ii) the first $500 million of Trust assets,
+Added: whichever came first.
+Added: The six-month waiver period ended on January 23, 2025, at which time the Sponsor began collecting the Sponsor Fee.
+Added: On October 8, 2025, the Sponsor agreed to voluntarily waive the fee it receives from the Trust as compensation for the Sponsor’s
+Added: services rendered to the Trust for a period of one year beginning on October 9, 2025, and ending on October 8, 2026.
+Added: Except for during
+Added: periods during which the Sponsor Fee is being waived, the Sponsor Fee accrues daily and is payable in ether weekly in arrears.
+Added: The Administrator
+Added: calculates the Sponsor Fee on a daily basis by applying a 0.21% annualized rate to the Trust’s total ether holdings, and the amount
+Added: of ether payable in respect of each daily accrual is determined by reference to the Index.
+Added: The Trust also pays 25% of the gross staking rewards generated by the Trust’s staking activities to the Sponsor and retains the
+Added: remainder of the gross Staking Consideration.
The Trust is an “emerging
−Removed: growth company” as that term is used in the Securities Act of 1933, as amended (the “Securities Act”), and, as such,
−Removed: the Trust may elect to comply with certain reduced public company reporting requirements.
+Added: growth company” as that term is used in the Securities Act, and, as such, the Trust may elect to comply with certain reduced public
+Added: company reporting requirements.
The NAV of the Trust is used
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NAV and NAV per Share are
−Removed: not measures calculated in accordance with GAAP and are not intended as substitute for Principal Market and Principal Market NAV per Share,
−Removed: respectively.
+Added: not measures calculated in accordance with GAAP and are not intended as substitutes for Principal Market and Principal Market NAV per
+Added: Share, respectively.
Critical Accounting Estimates
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in this report for further discussion of the Trust’s accounting policies.
−Removed: Cash includes non-interest bearing, non-restricted
−Removed: cash maintained with one financial institution that does not exceed U.S.
+Added: Cash includes non-interest
+Added: bearing, non-restricted cash maintained with one financial institution that does not exceed U.S.
federally insured limits.
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Results of Operations
−Removed: For the period May 1, 2024
−Removed: (initial seed creation) through December 31, 2024*
−Removed: The Trust’s net
−Removed: asset value increased to $16,869,879 on December 31, 2024, primarily from an increase in price of ether and a net increase in the number
−Removed: of shares outstanding of 1,010,000 from May 1, 2024 (date of initial seeding) to December 31, 2024.
+Added: For the Year Ended December
+Added: The Trust’s net asset value increased to $31,298,450 on December
+Added: 31, 2025, primarily from a net increase in the number of shares outstanding of 2,110,000 from January 1, 2025 to December 31, 2025.
+Added: Net realized and change in unrealized gain on investment in ether for
+Added: the year ended December 31, 2025, was $1,415,539 which includes a net change in unrealized depreciation on investment in ether of ($8,579,019)
+Added: and realized gain of $9,994,558 on ether sold.
+Added: Net change in unrealized loss on investment in ether for the period was driven by ether
+Added: price depreciation from $3,340.57 per ether on December 31, 2024, to $2,971.02 per ether on December 31, 2025.
+Added: Net increase in net assets
+Added: resulting from operations was $1,375,723 for the year ended December 31, 2025, which consisted of a net increase in the number of shares
+Added: outstanding and by the aforementioned net realized gain and change in unrealized depreciation on investment in ether.
+Added: For the period May 1, 2024 (date of initial seeding ) through December
+Added: The Trust’s net asset
+Added: value increased to $16,869,879 on December 31, 2024, primarily from an increase in price of ether and a net increase in the number of
+Added: shares outstanding of 1,010,000 from May 1, 2024 (date of initial seeding) to December 31, 2024.
Net realized and change in
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in the number of shares outstanding and by the aforementioned net realized and change in unrealized gain on investment in ether.
−Removed: * No prior year comparative period has been provided as this is
−Removed: the first year of the Trust’s operations.
Liquidity and Capital Resources
−Removed: The Trust is not aware of
−Removed: any trends, demands, commitments, events, or uncertainties that are reasonably likely to result in material changes to its liquidity needs.
−Removed: The Trust’s only ordinary recurring expense is the fee paid to the Sponsor at an annual rate of 0.21% of the Trust’s total
−Removed: ether holdings.
−Removed: The Sponsor agreed to waive the entire Sponsor Fee for (i) a six-month period which commenced on July 23, 2024 (the day
−Removed: the Trust’s Shares were initially listed on the Exchange), or (ii) the first $500 million of Trust assets, whichever came first.
−Removed: The six-month waiver period ended on January 23, 2025, at which time the Sponsor began collecting the Sponsor Fee.
−Removed: In exchange for the
−Removed: Sponsor’s fee, the Sponsor has agreed to assume the ordinary fees and expenses incurred by the Trust, including but not limited
−Removed: to the following:
−Removed: fees charged by Administrator, the Custodians, Transfer Agent and the Trustee, the Marketing Fee, the Exchange’s
−Removed: listing fees, typical maintenance and transaction fees of the DTC, SEC registration fees, printing and mailing costs, website fees, tax
−Removed: reporting fees, audit fees, license fees and expenses, up to $100,000 per annum in ordinary legal fees and expenses.
−Removed: The Sponsor bears
−Removed: expenses in connection with the Trust’s organization and initial offering costs.
−Removed: The Sponsor is not required
−Removed: to pay any extraordinary or non-routine expenses.
−Removed: Extraordinary expenses are fees and expenses which are unexpected or unusual in nature,
−Removed: such as legal claims and liabilities and litigation costs or indemnification or other unanticipated expenses.
−Removed: Extraordinary fees and expenses
−Removed: also include material expenses which are not currently anticipated obligations of the Trust.
−Removed: The Trust will be responsible for the payment
−Removed: of such expenses to the extent any such expenses are incurred.
−Removed: Routine operational, administrative, and other ordinary expenses are not
−Removed: deemed extraordinary expenses.
−Removed: The Trust will sell ether on an as-needed basis to pay the Sponsor’s fee.
+Added: The Trust is not aware
+Added: of any trends, demands, commitments, events, or uncertainties that are reasonably likely to result in material changes to its
+Added: liquidity needs.
+Added: The Trust’s only ordinary recurring expense is the fee paid to the Sponsor at an annual rate of 0.21% of the
+Added: Trust’s total ether holdings and 25% of the gross staking rewards generated by the Trust’s staking activities and
+Added: retains the remainder of the gross Staking Consideration.
+Added: The Sponsor agreed to waive the entire Sponsor Fee for (i) a six-month
+Added: period which commenced on July 23, 2024 (the day the Trust’s Shares were initially listed on the Exchange), or (ii) the first
+Added: $500 million of Trust assets, whichever came first.
+Added: The six-month waiver period ended on January 23, 2025, at which time the Sponsor
+Added: began collecting the Sponsor Fee.
+Added: On October 8, 2025, the Sponsor agreed to voluntarily waive the fee it receives from the Trust as
+Added: compensation for the Sponsor’s services rendered to the Trust for a period of one year beginning on October 9, 2025 and ending
+Added: on October 8, 2026.
+Added: In exchange for the Sponsor Fee, the Sponsor has agreed to assume the ordinary fees and expenses incurred by the
+Added: Trust, including but not limited to the following:
+Added: fees charged by Administrator, the Custodians, Transfer Agent and the Trustee,
+Added: the Marketing Fee, the Exchange’s listing fees, typical maintenance and transaction fees of the DTC, SEC registration fees,
+Added: printing and mailing costs, website fees, tax reporting fees, audit fees, license fees and expenses, up to $100,000 per annum in
+Added: ordinary legal fees and expenses.
+Added: The Sponsor bears expenses in connection with the Trust’s organization and initial offering
+Added: The Sponsor is not required to pay any extraordinary or non-routine expenses.
+Added: Extraordinary expenses are fees and expenses which are unexpected or unusual in nature, such as legal claims and liabilities and litigation
+Added: costs or indemnification or other unanticipated expenses.
+Added: Extraordinary fees and expenses also include material expenses which are not
+Added: currently anticipated obligations of the Trust.
+Added: The Trust will be responsible for the payment of such expenses to the extent any such
+Added: expenses are incurred.
+Added: Routine operational, administrative, and other ordinary expenses are not deemed extraordinary expenses.
+Added: will sell ether on an as-needed basis to pay the Sponsor Fee.
Off-Balance Sheet Arrangements
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Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.