Asset manager Fidelity filed paperwork TK WHEN with the Securities and Exchange Commission (SEC) for a spot bitcoin exchange-traded fund (ETF) which will be traded under the name TK.
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Fidelity Refiles For Spot Bitcoin ETF

Asset manager Fidelity filed paperwork TK WHEN with the Securities and Exchange Commission (SEC) for a spot bitcoin exchange-traded fund (ETF) which will be traded under the name TK.
Source