CryptoBrief
21Shares ends ARK's role at its bitcoin ETF and will rename the fund 21Shares Bitcoin ETF
The sponsor told ARK Investment Management on October 16 that it is terminating their sub-advisory and marketing agreement effective December 22; the ticker is to change from ARKB to TBIT.
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21Shares US LLC, the sponsor of the ARK 21Shares Bitcoin ETF, said it is ending the agreement under which ARK Investment Management provides sub-advisory services and marketing assistance to the fund, according to a Form 8-K the trust filed on October 22.
What happened
The sponsor "provided notice to ARK Investment Management LLC" on October 16 of the termination of the marketing and sub-advisory agreement, which the filing calls the Support Services Agreement, "effective December 22, 2026." The filing says the sponsor "has elected to terminate the Support Services Agreement pursuant to its terms." It does not give a reason.
Name and ticker change
In connection with the termination, the sponsor intends on December 15, 2026, to change the name of the trust to "21Shares Bitcoin ETF" and to change the ticker symbol under which its shares trade on the Cboe BZX Exchange to "TBIT." The fund currently trades as ARKB.
The filing was signed by Duncan Moir, president of 21Shares US LLC. It does not describe any change to the fund's holdings, custody arrangements or fees.
Sources
- Form 8-K, ARK 21Shares Bitcoin ETF, Item 1.02 Termination of a Material Definitive Agreement (October 22, 2026) — ARK 21Shares Bitcoin ETF (SEC Form 8-K)Primary source
