SEC 13F Intelligence

THEMES ETF TR

CUSIP 88340C701

Themes Etf Tr has 15 institutional holders in Filings Flow’s 13F database, together reporting 1.57M shares worth $4M as of Q1 2026. The largest reported holders are Citadel Advisors LLC, Scientech Research LLC, and Jane Street Group, LLC.

Institutional Holders
15
Q1 2026
Reported Value
$4M
Ticker
unmapped
private placement or foreign
Quarters Tracked
3

Ownership Trend

Institutional holders
Q4 ’25: 13Q4 ’25Q1 ’26: 15Q1 ’26Q2 ’26: 1Q2 ’26filingsflow.com
Total reported value
Q4 ’25: $4MQ4 ’25Q1 ’26: $4MQ1 ’26Q2 ’26: $123,039Q2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
Scientech Research LLC$120M AUM1.13%$1M498.6KQ1 2026OLDER
TWO SIGMA SECURITIES, LLC$861M AUM0.04%$336,252123.6KQ1 2026OLDER
StoneX Group Inc.$1.9B AUM0.02%$353,116135.8KQ4 2025OLDER
GTS SECURITIES LLC$2.8B AUM0.00%$82,42031.7KQ4 2025OLDER
PFG Investments, LLC$2.1B AUM0.00%$27,20010.0KQ1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$4M1.35MQ1 2026OLDER
GROUP ONE TRADING LLC$52.2B AUM0.00%$212,80778.2KQ1 2026OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$9,5063.5KQ1 2026OLDER
Belvedere Trading LLC$84.4B AUM0.00%$136,36450.1KQ1 2026OLDER
JANE STREET GROUP, LLC$777.2B AUM0.00%$1M440.9KQ1 2026OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$544,419200.2KQ1 2026OLDER
IMC-Chicago, LLC$278.4B AUM0.00%$161,13659.2KQ1 2026OLDER
Optiver Holding B.V.$289.5B AUM0.00%$123,03945.2KQ2 2026
SIMPLEX TRADING, LLC$149.1B AUM0.00%$60,95722.4KQ1 2026OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$628231Q1 2026OLDER
CITIGROUP INC$234.5B AUM0.00%$28,99210.7KQ1 2026OLDER
UBS Group AG$666.3B AUM0.00%$48,68817.9KQ1 2026OLDER
HOLLENCREST CAPITAL MANAGEMENT$2.7B AUM0.00%$13050Q4 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.