Citadel Advisors’s Ostin Technology Group OST Stock Holding History

Citadel Advisors’s Portfolio OST Stock Details OST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$44.1K	Hold	34,652	–	–	﹤0.01%	12445
2025 Q4	$44.1K	Hold	34,652	–	–	﹤0.01%	12090
2025 Q3	$58.7K	Buy	+34,652	New	+$82.1K	﹤0.01%	12113
2025 Q2	–	Sell	-500	Closed	-$19.8K	–	14366
2025 Q1	$19.8K	Buy	+500	New	+$29.8K	﹤0.01%	13150
2024 Q4	–	Sell	-79	Closed	-$7.51K	–	15134
2024 Q3	$7.51K	Buy	+79	New	+$6.62K	﹤0.01%	13360
2024 Q2	–	Sell	-45	Closed	-$5.67K	–	15073
2024 Q1	$5.67K	Sell	45 -94	-68%	-$13.6K	﹤0.01%	13729
2023 Q4	$27.1K	Buy	+139	New	+$29K	﹤0.01%	12354
2023 Q1	–	Sell	-129	Closed	-$29.9K	–	15281
2022 Q4	$29.9K	Buy	+129	New	+$34.2K	﹤0.01%	12753

Other funds holding OST

HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

FDCDDQ

Federation des caisses Desjardins du Quebec Levis, Quebec, Canada $27.8B AUM 31.66% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Citadel Advisors's OST Position: Q1 2026 in Review

Citadel Advisors held its Ostin Technology Group (OST) position steady in Q1 2026 at 34,652 shares worth $44.1K. The position accounts for ﹤0.01% of the portfolio, ranked #12445.

Citadel Advisors first reported a position in OST in Q4 2022 and has held it in 8 quarters since. The position peaked at $58.7K in Q3 2025. 8 funds tracked by Wall St. Rank hold OST as of Q1 2026.

Citadel Advisors held 34,652 shares of Ostin Technology Group worth $44.1K as of Q1 2026.
Citadel Advisors left its Ostin Technology Group share count unchanged in Q1 2026.
Ostin Technology Group made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #12445 holding.
Citadel Advisors first reported a position in Ostin Technology Group in Q4 2022 and has held it in 8 quarters since.
Citadel Advisors's Ostin Technology Group position peaked at $58.7K in Q3 2025.
8 funds tracked by Wall St. Rank held Ostin Technology Group as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.