Ken Griffin’s ProShares Ultra High Yield UJB Stock Holding History

Ken Griffin’s Portfolio UJB Stock Details UJB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$383K	Sell	4,999 -44	-0.9%	-$3.47K	﹤0.01%	9909
2025 Q4	$398K	Buy	5,043 +26	+0.5%	+$2.03K	﹤0.01%	9548
2025 Q3	$392K	Buy	5,017 +840	+20%	+$65.1K	﹤0.01%	9711
2025 Q2	$320K	Buy	4,177 +62	+2%	+$4.55K	﹤0.01%	9658
2025 Q1	$299K	Buy	+4,115	New	+$304K	﹤0.01%	9605
2023 Q1	–	Sell	-5,146	Closed	-$311K	–	15550
2022 Q4	$311K	Buy	+5,146	New	+$309K	﹤0.01%	9237
2022 Q3	–	Sell	-4,886	Closed	-$284K	–	13645
2022 Q2	$284K	Sell	4,886 -18,826	-79%	-$1.21M	﹤0.01%	9928
2022 Q1	$1.69M	Buy	23,712 +18,086	+321%	+$1.32M	﹤0.01%	6463
2021 Q4	$443K	Sell	5,626 -9,828	-64%	-$764K	﹤0.01%	9983
2021 Q3	$1.21M	Sell	15,454 -5,562	-26%	-$434K	﹤0.01%	7655
2021 Q2	$1.63M	Buy	21,016 +2,977	+17%	+$226K	﹤0.01%	7118
2021 Q1	$1.35M	Buy	18,039 +2,953	+20%	+$219K	﹤0.01%	7370
2020 Q4	$1.12M	Buy	+15,086	New	+$1.09M	﹤0.01%	6569

Other funds holding UJB

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

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

Ken Griffin's UJB Position: Q1 2026 in Review

Ken Griffin reduced its ProShares Ultra High Yield (UJB) stake by 0.87% in Q1 2026, selling an estimated $3.47K and leaving 4,999 shares worth $383K. The position accounts for ﹤0.01% of the portfolio, ranked #9909.

Ken Griffin first reported a position in UJB in Q4 2020 and has held it in 13 quarters since. The position peaked at $1.69M in Q1 2022. 3 funds tracked by Wall St. Rank hold UJB as of Q1 2026.

Ken Griffin held 4,999 shares of ProShares Ultra High Yield worth $383K as of Q1 2026.
Ken Griffin sold 44 ProShares Ultra High Yield shares in Q1 2026, an estimated $3.47K.
ProShares Ultra High Yield made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #9909 holding.
Ken Griffin first reported a position in ProShares Ultra High Yield in Q4 2020 and has held it in 13 quarters since.
Ken Griffin's ProShares Ultra High Yield position peaked at $1.69M in Q1 2022.
3 funds tracked by Wall St. Rank held ProShares Ultra High Yield as of Q1 2026.

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