Label	Element	Value
Themes Natural Monopoly ETF \| Amphenol Corp.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	4.50%
Themes Natural Monopoly ETF \| Broadcom, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	4.30%
Themes Natural Monopoly ETF \| BlackRock, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.90%
Themes Natural Monopoly ETF \| BAE Systems PLC
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.80%
Themes Natural Monopoly ETF \| Autodesk, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.60%
Themes Natural Monopoly ETF \| Mastercard, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.60%
Themes Natural Monopoly ETF \| Cisco Systems, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.50%
Themes Natural Monopoly ETF \| Aon PLC
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.50%
Themes Natural Monopoly ETF \| Meta Platforms, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.50%
Themes Natural Monopoly ETF \| Arthur J Gallagher & Co.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.40%
Themes Natural Monopoly ETF \| Industrials
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	21.20%
Themes Natural Monopoly ETF \| Technology
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	20.90%
Themes Natural Monopoly ETF \| Financials
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	18.60%
Themes Natural Monopoly ETF \| Health Care
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	9.60%
Themes Natural Monopoly ETF \| Consumer Staples
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	7.70%
Themes Natural Monopoly ETF \| Communications
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	7.50%
Themes Natural Monopoly ETF \| Consumer Discretionary
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	5.50%
Themes Natural Monopoly ETF \| Materials
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.40%
Themes Natural Monopoly ETF \| Energy
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.70%
Themes Natural Monopoly ETF \| Cash & Other
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.90%