Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Measurements [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value

The tables below summarize the categorization of the Company’s assets and liabilities measured at fair value. During the three months ended March 31, 2024 and 2023, there were no transfers between Levels 2 and 3.

	March 31, 2024
	Total		Level 1		Level 2		Level 3
Assets:
Recurring fair value measurements:
Cash equivalents	$	13,795	$	13,795	$	—	$	—
Financial instruments owned, at fair value:
ETFs		34,058		34,058		—		—
Pass-through GSEs		9,948		—		9,948		—
Other assets—seed capital (WisdomTree Digital Funds):
U.S. treasuries		5,261		—		5,261		—
Equities		7,095		7,095		—		—
Fixed income		1,939		1,014		925		—
Total	$	72,096	$	55,962	$	16,134	$	—
	December 31, 2023
	Total		Level 1		Level 2		Level 3
Assets:
Recurring fair value measurements:
Cash equivalents	$	50,226	$	50,226	$	—	$	—
Financial instruments owned, at fair value
ETFs		35,181		35,181		—		—
Pass-through GSEs		10,240		—		10,240		—
Other assets—seed capital (WisdomTree Digital Funds)
U.S. treasuries		5,007		—		5,007		—
Equities		6,337		6,337		—		—
Fixed income		1,957		1,008		949		—
Total	$	108,948	$	92,752	$	16,196	$	—
Non-recurring fair value measurements:
Fnality International Limited—Series B-1 Preference Shares0F(1)		9,684		—		—		9,684
Other investments(1F1F2)		—		—		—		—
Total	$	9,684	$	—	$	—	$	9,684

⁽¹⁾ Fair value determined on October 31, 2023

⁽²⁾ Fair value determined on September 30, 2023