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	-300	Closed	-$6.88K	–	14565
2025 Q1	$6.88K	Buy	+300	New	+$7.14K	﹤0.01%	13723
2024 Q4	–	Sell	-100	Closed	-$2.17K	–	15201
2024 Q3	$2.17K	Sell	100 -3,000	-97%	-$67.1K	﹤0.01%	13772
2024 Q2	$73.6K	Buy	3,100 +1,900	+158%	+$46K	﹤0.01%	11316
2024 Q1	$27.8K	Buy	1,200 +1,000	+500%	+$23.1K	﹤0.01%	12758
2023 Q4	$4.43K	Sell	200 -8,300	-98%	-$202K	﹤0.01%	13506
2023 Q3	$210K	Sell	8,500 -5,400	-39%	-$126K	﹤0.01%	9807
2023 Q2	$308K	Sell	13,900 -16,500	-54%	-$352K	﹤0.01%	8999
2023 Q1	$636K	Sell	30,400 -17,400	-36%	-$375K	﹤0.01%	7805
2022 Q4	$1.06M	Buy	47,800 +35,400	+285%	+$785K	﹤0.01%	6699
2022 Q3	$276K	Buy	+12,400	New	+$248K	﹤0.01%	9751
2020 Q2	–	Sell	-31,000	Closed	-$481K	–	10354
2020 Q1	$481K	Buy	+31,000	New	+$542K	﹤0.01%	6521
2019 Q1	–	Sell	-17,800	Closed	-$388K	–	9739
2018 Q4	$388K	Buy	+17,800	New	+$412K	﹤0.01%	6824
2017 Q1	–	Sell	-10,500	Closed	-$237K	–	7908
2016 Q4	$237K	Buy	+10,500	New	+$228K	﹤0.01%	6039

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.