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 		$20.8M Buy
529,800
+397,800
+301% +$11M ﹤0.01% 2296
2025
Q4 		$2.55M Sell
132,000
-42,000
-24% -$861K ﹤0.01% 5475
2025
Q3 		$3.91M Buy
174,000
+60,200
+53% +$1.41M ﹤0.01% 4799
2025
Q2 		$2.55M Sell
113,800
-22,800
-17% -$501K ﹤0.01% 5264
2025
Q1 		$3.7M Sell
136,600
-6,800
-5% -$185K ﹤0.01% 4393
2024
Q4 		$3.94M Sell
143,400
-10,600
-7% -$282K ﹤0.01% 4360
2024
Q3 		$3.91M Buy
154,000
+93,000
+152% +$2.72M ﹤0.01% 4348
2024
Q2 		$2.04M Buy
61,000
+23,200
+61% +$753K ﹤0.01% 5257
2024
Q1 		$1.25M Sell
37,800
-125,800
-77% -$3.66M ﹤0.01% 6477
2023
Q4 		$4.27M Buy
163,600
+31,500
+24% +$952K ﹤0.01% 4036
2023
Q3 		$4.66M Sell
132,100
-25,200
-16% -$779K ﹤0.01% 3772
2023
Q2 		$3.72M Sell
157,300
-1,800
-1% -$45.2K ﹤0.01% 4101
2023
Q1 		$4.21M Sell
159,100
-146,400
-48% -$3.99M ﹤0.01% 4085
2022
Q4 		$9.26M Buy
305,500
+84,200
+38% +$2.54M ﹤0.01% 2947
2022
Q3 		$5.81M Sell
221,300
-131,400
-37% -$4.5M ﹤0.01% 3626
2022
Q2 		$14.8M Sell
352,700
-222,900
-39% -$9.85M ﹤0.01% 2188
2022
Q1 		$22.1M Buy
575,600
+47,616
+9% +$1.53M ﹤0.01% 1875
2021
Q4 		$11.5M Buy
527,984
+14,528
+3% +$322K ﹤0.01% 2842
2021
Q3 		$10.8M Sell
513,456
-170,016
-25% -$3.17M ﹤0.01% 2951
2021
Q2 		$13.4M Buy
683,472
+73,184
+12% +$1.19M ﹤0.01% 2632
2021
Q1 		$8.06M Buy
610,288
+158,480
+35% +$1.99M ﹤0.01% 3313
2020
Q4 		$4.1M Sell
451,808
-298,992
-40% -$2.26M ﹤0.01% 4011
2020
Q3 		$5.34M Sell
750,800
-831,200
-53% -$6.4M ﹤0.01% 3052
2020
Q2 		$11.3M Buy
1,582,000
+1,492,672
+1,671% +$10.5M ﹤0.01% 2079
2020
Q1 		$888K Buy
89,328
+25,600
+40% +$1.96M ﹤0.01% 5549
2019
Q4 		$8.15M Buy
63,728
+11,296
+22% +$1.26M ﹤0.01% 2453
2019
Q3 		$5.32M Sell
52,432
-6,528
-11% -$732K ﹤0.01% 3025
2019
Q2 		$7.12M Sell
58,960
-560
-0.9% -$74.6K ﹤0.01% 2605
2019
Q1 		$8.01M Buy
59,520
+11,152
+23% +$1.29M ﹤0.01% 2343
2018
Q4 		$4.02M Sell
48,368
-1,680
-3% -$253K ﹤0.01% 3096
2018
Q3 		$11.2M Buy
50,048
+16,848
+51% +$3.3M 0.01% 1969
2018
Q2 		$7.13M Buy
33,200
+14,800
+80% +$2.77M ﹤0.01% 2315
2018
Q1 		$3.16M Buy
18,400
+1,744
+10% +$280K ﹤0.01% 3071
2017
Q4 		$2.44M Buy
16,656
+3,056
+22% +$384K ﹤0.01% 3356
2017
Q3 		$1.51M Sell
13,600
-7,888
-37% -$785K ﹤0.01% 3754
2017
Q2 		$2M Buy
21,488
+13,232
+160% +$1.39M ﹤0.01% 3170
2017
Q1 		$981K Sell
8,256
-5,376
-39% -$697K ﹤0.01% 4026
2016
Q4 		$1.99M Sell
13,632
-4,552
-25% -$598K ﹤0.01% 2957
2016
Q3 		$2.36M Buy
+18,184
New +$2.24M ﹤0.01% 2778

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.