Jane Street’s Defiance Daily Target 2X Long SMCI ETF SMCX Stock Holding History

Jane Street’s Portfolio SMCX Stock Details SMCX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.09M	Buy	234,400 +188,650	+412%	+$2.75M	﹤0.01%	5085
2026 Q1	$391K	Sell	45,750 -3,150	-6%	-$69K	﹤0.01%	8603
2025 Q4	$1.11M	Sell	48,900 -45,050	-48%	-$2.5M	﹤0.01%	5899
2025 Q3	$7.3M	Buy	93,950 +45,150	+93%	+$3.88M	﹤0.01%	2854
2025 Q2	$4.82M	Sell	48,800 -19,000	-28%	-$1.32M	﹤0.01%	3042
2025 Q1	$4.39M	Buy	67,800 +61,957	+1,060%	+$6.34M	﹤0.01%	3122
2024 Q4	$459K	Buy	+5,843	New	+$1.1M	﹤0.01%	6955

Other funds holding SMCX

Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

LFG

Larson Financial Group St Louis, Missouri $3.81B AUM 32.31% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jane Street's SMCX Position: Q2 2026 in Review

Jane Street increased its Defiance Daily Target 2X Long SMCI ETF (SMCX) stake by 14% in Q2 2026, buying an estimated $37.5K and bringing the position to 20,370 shares worth $182K. The position accounts for ﹤0.01% of the portfolio, ranked #10199.

Jane Street first reported a position in SMCX in Q3 2024 and has held it in 4 quarters since. The position peaked at $351K in Q4 2024. 14 funds tracked by Wall St. Rank hold SMCX as of Q2 2026.

Jane Street held 20,370 shares of Defiance Daily Target 2X Long SMCI ETF worth $182K as of Q2 2026.
Jane Street bought 2,573 Defiance Daily Target 2X Long SMCI ETF shares in Q2 2026, an estimated $37.5K.
Defiance Daily Target 2X Long SMCI ETF made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10199 holding.
Jane Street first reported a position in Defiance Daily Target 2X Long SMCI ETF in Q3 2024 and has held it in 4 quarters since.
Jane Street's Defiance Daily Target 2X Long SMCI ETF position peaked at $351K in Q4 2024.
14 funds tracked by Wall St. Rank held Defiance Daily Target 2X Long SMCI ETF as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.