Citadel Advisors’s ProShares Trust UltraShort Lehman 7-10 Year Treasury PST Stock Holding History

Citadel Advisors’s Portfolio PST Stock Details PST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-900	Closed	-$20.6K	–	14566
2025 Q1	$20.6K	Buy	900 +400	+80%	+$9.52K	﹤0.01%	13122
2024 Q4	$12K	Sell	500 -700	-58%	-$16.4K	﹤0.01%	13518
2024 Q3	$26K	Buy	1,200 +1,000	+500%	+$22.4K	﹤0.01%	12565
2024 Q2	$4.75K	Sell	200 -100	-33%	-$2.42K	﹤0.01%	13459
2024 Q1	$6.96K	Sell	300 -1,000	-77%	-$23.1K	﹤0.01%	13641
2023 Q4	$28.8K	Buy	1,300 +1,100	+550%	+$26.7K	﹤0.01%	12303
2023 Q3	$4.94K	Sell	200 -100	-33%	-$2.33K	﹤0.01%	13435
2023 Q2	$6.64K	Sell	300 -4,900	-94%	-$105K	﹤0.01%	13411
2023 Q1	$109K	Sell	5,200 -4,000	-43%	-$86.2K	﹤0.01%	11130
2022 Q4	$205K	Buy	+9,200	New	+$204K	﹤0.01%	10095

Other funds holding PST

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Cumberland Advisors Sarasota, Florida $284M AUM 27.11% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

MSG

Main Street Group Glen Allen, Virginia $429M AUM 34.03% 1-Year Est. Return

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

Citadel Advisors's PST Position: Q1 2026 in Review

Citadel Advisors increased its ProShares Trust UltraShort Lehman 7-10 Year Treasury (PST) stake by 41% in Q1 2026, buying an estimated $235K and bringing the position to 36,863 shares worth $829K. The position accounts for ﹤0.01% of the portfolio, ranked #8092.

Citadel Advisors first reported a position in PST in Q1 2014 and has held it in 33 quarters since. The position peaked at $1.43M in Q3 2015. 9 funds tracked by Wall St. Rank hold PST as of Q1 2026.

Citadel Advisors held 36,863 shares of ProShares Trust UltraShort Lehman 7-10 Year Treasury worth $829K as of Q1 2026.
Citadel Advisors bought 10,633 ProShares Trust UltraShort Lehman 7-10 Year Treasury shares in Q1 2026, an estimated $235K.
ProShares Trust UltraShort Lehman 7-10 Year Treasury made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #8092 holding.
Citadel Advisors first reported a position in ProShares Trust UltraShort Lehman 7-10 Year Treasury in Q1 2014 and has held it in 33 quarters since.
Citadel Advisors's ProShares Trust UltraShort Lehman 7-10 Year Treasury position peaked at $1.43M in Q3 2015.
9 funds tracked by Wall St. Rank held ProShares Trust UltraShort Lehman 7-10 Year Treasury as of Q1 2026.

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