Label

Element

Value

Roundhill Memory ETF | Micron Technology, Inc. [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

25.80%

Roundhill Memory ETF | Samsung Electronics Co. Ltd. [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

25.00%

Roundhill Memory ETF | SK hynix, Inc. [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

24.00%

Roundhill Memory ETF | First American Government Obligations Fund [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

14.10%

Roundhill Memory ETF | Sandisk Corp. [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

5.20%

Roundhill Memory ETF | Kioxia Holdings Corp. [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

4.40%

Roundhill Memory ETF | Western Digital Corp. [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

4.30%

Roundhill Memory ETF | Seagate Technology Holdings PLC [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

4.20%

Roundhill Memory ETF | GigaDevice Semiconductor, Inc. [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

3.10%

Roundhill Memory ETF | United States Treasury Bill [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

21.20%

^[1]

Roundhill Memory ETF | Technology [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

57.40%

Roundhill Memory ETF | Cash & Other [Member]

Holdings [Line Items]

oef_HoldingsLineItems

Percent of Total Investments

oef_PctOfTotalInv

42.60%

[1]

*	Held for cash and collateral management purposes.