Citadel Advisors’s Defiance Daily Target 2x Long MSTR ETF MSTX Stock Holding History

Citadel Advisors’s Portfolio MSTX Stock Details MSTX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$536K	Buy	+72,028	New	+$1.81M	﹤0.01%	9689
2025 Q3	–	Sell	-11,463	Closed	-$3.62M	–	14391
2025 Q2	$4.63M	Buy	11,463 +9,377	+450%	+$3.33M	﹤0.01%	4247
2025 Q1	$538K	Sell	2,086 -40,193	-95%	-$15.2M	﹤0.01%	8311
2024 Q4	$14.9M	Buy	42,279 +24,659	+140%	+$17.5M	﹤0.01%	2498
2024 Q3	$5.11M	Buy	+17,620	New	+$3.79M	﹤0.01%	3899

Other funds holding MSTX

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

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

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

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

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

OMC

Old Mission Capital Chicago, Illinois $6.31B AUM 20.77% 1-Year Est. Return

Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return

Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return

Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return

Citadel Advisors's MSTX Position: Q2 2026 in Review

Citadel Advisors opened a new position in Defiance Daily Target 2x Long MSTR ETF (MSTX) in Q2 2026: 72,028 shares worth $536K. The stake represents ﹤0.01% of the portfolio and ranks #9689 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in MSTX as recently as Q2 2025.

Citadel Advisors first reported a position in MSTX in Q3 2024 and has held it in 5 quarters since. The position peaked at $14.9M in Q4 2024. 22 funds tracked by Wall St. Rank hold MSTX as of Q2 2026.

Citadel Advisors held 72,028 shares of Defiance Daily Target 2x Long MSTR ETF worth $536K as of Q2 2026.
Defiance Daily Target 2x Long MSTR ETF was a new Citadel Advisors position in Q2 2026.
Defiance Daily Target 2x Long MSTR ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #9689 holding.
Citadel Advisors first reported a position in Defiance Daily Target 2x Long MSTR ETF in Q3 2024 and has held it in 5 quarters since.
Citadel Advisors's Defiance Daily Target 2x Long MSTR ETF position peaked at $14.9M in Q4 2024.
22 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long MSTR ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.