Label	Element	Value
Themes US R&D Champions ETF \| Tesla, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.80%
Themes US R&D Champions ETF \| Lam Research Corp.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.80%
Themes US R&D Champions ETF \| Electronic Arts, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.60%
Themes US R&D Champions ETF \| Alphabet, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.60%
Themes US R&D Champions ETF \| Apple, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.40%
Themes US R&D Champions ETF \| Arista Networks, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.30%
Themes US R&D Champions ETF \| Applied Materials, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.30%
Themes US R&D Champions ETF \| QUALCOMM, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.20%
Themes US R&D Champions ETF \| Broadcom, Inc.
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.20%
Themes US R&D Champions ETF \| Johnson & Johnson
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	2.20%
Themes US R&D Champions ETF \| Technology
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	50.70%
Themes US R&D Champions ETF \| Health Care
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	17.80%
Themes US R&D Champions ETF \| Communications
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	10.00%
Themes US R&D Champions ETF \| Industrials
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	9.60%
Themes US R&D Champions ETF \| Consumer Discretionary
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	4.70%
Themes US R&D Champions ETF \| Consumer Staples
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	3.40%
Themes US R&D Champions ETF \| Materials
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	1.80%
Themes US R&D Champions ETF \| Real Estate
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	1.80%
Themes US R&D Champions ETF \| Cash & Other
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Total Investments	oef_PctOfTotalInv	0.20%