Citadel Advisors
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Citadel Advisors’s ProShares Ultra Bloomberg Crude Oil UCO Stock Holding History

Citadel Advisors’s Portfolio UCO Stock Details UCO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$37.1M Buy
942,800
+674,100
+251% +$18.7M 0.01% 1645
2025
Q4 		$5.19M Buy
268,700
+14,100
+6% +$289K ﹤0.01% 4234
2025
Q3 		$5.72M Buy
254,600
+155,200
+156% +$3.64M ﹤0.01% 4117
2025
Q2 		$2.23M Buy
99,400
+24,700
+33% +$543K ﹤0.01% 5502
2025
Q1 		$2.02M Sell
74,700
-13,200
-15% -$359K ﹤0.01% 5515
2024
Q4 		$2.42M Sell
87,900
-27,400
-24% -$728K ﹤0.01% 5243
2024
Q3 		$2.93M Buy
115,300
+10,700
+10% +$313K ﹤0.01% 4828
2024
Q2 		$3.5M Sell
104,600
-53,100
-34% -$1.72M ﹤0.01% 4324
2024
Q1 		$5.2M Buy
157,700
+900
+0.6% +$26.2K ﹤0.01% 3892
2023
Q4 		$4.09M Sell
156,800
-127,100
-45% -$3.84M ﹤0.01% 4090
2023
Q3 		$10M Sell
283,900
-48,900
-15% -$1.51M ﹤0.01% 2690
2023
Q2 		$7.87M Sell
332,800
-150,700
-31% -$3.78M ﹤0.01% 2999
2023
Q1 		$12.8M Sell
483,500
-119,800
-20% -$3.27M ﹤0.01% 2474
2022
Q4 		$18.3M Buy
603,300
+287,200
+91% +$8.65M ﹤0.01% 2059
2022
Q3 		$8.3M Sell
316,100
-149,500
-32% -$5.12M ﹤0.01% 3033
2022
Q2 		$19.5M Sell
465,600
-331,200
-42% -$14.6M 0.01% 1869
2022
Q1 		$30.5M Buy
796,800
+8,080
+1% +$260K 0.01% 1529
2021
Q4 		$17.1M Buy
788,720
+261,152
+50% +$5.79M ﹤0.01% 2219
2021
Q3 		$11.1M Sell
527,568
-35,648
-6% -$665K ﹤0.01% 2902
2021
Q2 		$11M Sell
563,216
-288,496
-34% -$4.71M ﹤0.01% 2939
2021
Q1 		$11.3M Buy
851,712
+239,024
+39% +$3M ﹤0.01% 2805
2020
Q4 		$5.56M Buy
612,688
+68,688
+13% +$519K ﹤0.01% 3517
2020
Q3 		$3.87M Sell
544,000
-239,600
-31% -$1.85M ﹤0.01% 3539
2020
Q2 		$5.62M Buy
783,600
+708,064
+937% +$4.96M ﹤0.01% 2929
2020
Q1 		$751K Buy
75,536
+44,032
+140% +$3.36M ﹤0.01% 5811
2019
Q4 		$4.03M Buy
31,504
+10,400
+49% +$1.16M ﹤0.01% 3352
2019
Q3 		$2.14M Sell
21,104
-1,664
-7% -$187K ﹤0.01% 4382
2019
Q2 		$2.75M Sell
22,768
-12,000
-35% -$1.6M ﹤0.01% 3997
2019
Q1 		$4.68M Sell
34,768
-19,008
-35% -$2.2M ﹤0.01% 3095
2018
Q4 		$4.47M Buy
53,776
+12,896
+32% +$1.94M ﹤0.01% 2945
2018
Q3 		$9.19M Buy
40,880
+9,152
+29% +$1.79M ﹤0.01% 2205
2018
Q2 		$6.82M Buy
31,728
+10,688
+51% +$2M ﹤0.01% 2380
2018
Q1 		$3.62M Sell
21,040
-19,888
-49% -$3.19M ﹤0.01% 2869
2017
Q4 		$6M Sell
40,928
-11,216
-22% -$1.41M ﹤0.01% 2259
2017
Q3 		$5.81M Buy
52,144
+21,280
+69% +$2.12M ﹤0.01% 2145
2017
Q2 		$2.87M Buy
30,864
+10,608
+52% +$1.11M ﹤0.01% 2714
2017
Q1 		$2.41M Sell
20,256
-6,920
-25% -$897K ﹤0.01% 2850
2016
Q4 		$3.97M Buy
27,176
+2,456
+10% +$323K ﹤0.01% 2227
2016
Q3 		$3.21M Buy
+24,720
New +$3.04M ﹤0.01% 2431

Other funds holding UCO

QC
Quadrature Capital London, United Kingdom $8.4B AUM 63.34% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
QFA
Quantum Financial Advisors El Segundo, California $1.01B AUM 23.7% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
SWM
Spire Wealth Management Mclean, Virginia $3.31B AUM 38.78% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Citadel Advisors's UCO Position: Q1 2026 in Review

Citadel Advisors increased its ProShares Ultra Bloomberg Crude Oil (UCO) stake by 133% in Q1 2026, buying an estimated $4.34M and bringing the position to 274,108 shares worth $10.8M. The position accounts for ﹤0.01% of the portfolio, ranked #3148.

Citadel Advisors first reported a position in UCO in Q1 2014 and has held it in 31 quarters since. The position peaked at $18.2M in Q1 2022. 42 funds tracked by Wall St. Rank hold UCO as of Q1 2026.

  • Citadel Advisors held 274,108 shares of ProShares Ultra Bloomberg Crude Oil worth $10.8M as of Q1 2026.
  • Citadel Advisors bought 156,278 ProShares Ultra Bloomberg Crude Oil shares in Q1 2026, an estimated $4.34M.
  • ProShares Ultra Bloomberg Crude Oil made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3148 holding.
  • Citadel Advisors first reported a position in ProShares Ultra Bloomberg Crude Oil in Q1 2014 and has held it in 31 quarters since.
  • Citadel Advisors's ProShares Ultra Bloomberg Crude Oil position peaked at $18.2M in Q1 2022.
  • 42 funds tracked by Wall St. Rank held ProShares Ultra Bloomberg Crude Oil as of Q1 2026.

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