Jane Street
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Jane Street’s ProShares UltraPro Dow 30 UDOW Stock Holding History

Jane Street’s Portfolio UDOW Stock Details UDOW Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$16.7M Buy
332,100
+65,900
+25% +$3.86M ﹤0.01% 1961
2025
Q4 		$15.4M Buy
266,200
+26,400
+11% +$1.48M ﹤0.01% 1845
2025
Q3 		$12.8M Buy
239,800
+8,200
+4% +$408K ﹤0.01% 2105
2025
Q2 		$10.9M Sell
231,600
-18,600
-7% -$750K ﹤0.01% 2040
2025
Q1 		$11M Buy
250,200
+114,200
+84% +$5.59M ﹤0.01% 1874
2024
Q4 		$6.43M Buy
136,000
+45,400
+50% +$2.3M ﹤0.01% 2354
2024
Q3 		$4.35M Buy
+90,600
New +$3.91M ﹤0.01% 3086
2022
Q2 		– Sell
-84,000
Closed -$3.05M – 10929
2022
Q1 		$3.05M Buy
84,000
+3,000
+4% +$110K ﹤0.01% 3923
2021
Q4 		$3.43M Sell
81,000
-159,800
-66% -$6.35M ﹤0.01% 3469
2021
Q3 		$8.28M Buy
240,800
+102,600
+74% +$3.88M ﹤0.01% 2048
2021
Q2 		$5.05M Sell
138,200
-26,200
-16% -$928K ﹤0.01% 2609
2021
Q1 		$5.28M Sell
164,400
-1,782,400
-92% -$50.1M ﹤0.01% 2335
2020
Q4 		$49.9M Sell
1,946,800
-522,800
-21% -$11.6M 0.03% 455
2020
Q3 		$48M Sell
2,469,600
-1,328,800
-35% -$24.8M 0.03% 397
2020
Q2 		$59.6M Buy
3,798,400
+2,414,400
+174% +$34.1M 0.04% 300
2020
Q1 		$14.5M Buy
1,384,000
+1,270,000
+1,114% +$32.3M 0.01% 578
2019
Q4 		$3.54M Sell
114,000
-50,400
-31% -$1.41M ﹤0.01% 1362
2019
Q3 		$4.32M Buy
164,400
+61,200
+59% +$1.58M 0.01% 1104
2019
Q2 		$2.65M Buy
103,200
+64,400
+166% +$1.58M ﹤0.01% 1598
2019
Q1 		$935K Sell
38,800
-196,400
-84% -$4.36M ﹤0.01% 2893
2018
Q4 		$4.19M Buy
235,200
+76,800
+48% +$1.74M 0.01% 1055
2018
Q3 		$4.32M Buy
158,400
+43,600
+38% +$1.08M 0.01% 1157
2018
Q2 		$2.43M Buy
114,800
+22,000
+24% +$485K 0.01% 1719
2018
Q1 		$1.97M Buy
92,800
+17,200
+23% +$419K 0.01% 1877
2017
Q4 		$1.78M Sell
75,600
-95,200
-56% -$1.97M 0.01% 1707
2017
Q3 		$2.98M Buy
170,800
+70,800
+71% +$1.15M 0.01% 1252
2017
Q2 		$1.52M Sell
100,000
-180,800
-64% -$2.59M 0.01% 1758
2017
Q1 		$3.82M Buy
280,800
+224,800
+401% +$2.94M 0.02% 882
2016
Q4 		$664K Sell
56,000
-746,400
-93% -$7.69M ﹤0.01% 2533
2016
Q3 		$7.49M Sell
802,400
-148,800
-16% -$1.4M 0.04% 406
2016
Q2 		$8.27M Buy
951,200
+500,800
+111% +$4.25M 0.04% 407
2016
Q1 		$3.76M Buy
450,400
+187,200
+71% +$1.32M 0.02% 718
2015
Q4 		$2.12M Buy
263,200
+53,600
+26% +$439K 0.01% 1013
2015
Q3 		$1.38M Buy
209,600
+44,800
+27% +$348K 0.01% 1317
2015
Q2 		$1.4M Sell
164,800
-777,600
-83% -$7.07M 0.01% 1261
2015
Q1 		$8.23M Buy
942,400
+323,200
+52% +$2.84M 0.06% 261
2014
Q4 		$5.47M Buy
619,200
+227,200
+58% +$1.86M 0.04% 313
2014
Q3 		$3.04M Sell
392,000
-38,400
-9% -$293K 0.03% 425
2014
Q2 		$3.19M Buy
430,400
+75,200
+21% +$535K 0.04% 374
2014
Q1 		$2.45M Buy
355,200
+240,000
+208% +$1.58M 0.03% 476
2013
Q4 		$813K Sell
115,200
-4,800
-4% -$29K 0.01% 901
2013
Q3 		$642K Sell
120,000
-22,400
-16% -$123K 0.01% 1524
2013
Q2 		$721K Buy
+142,400
New +$733K 0.01% 1149

Other funds holding UDOW

Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
SFA
Spectrum Financial Alliance Nicholasville, Kentucky $679M AUM 83.74% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
GSEP
Golden State Equity Partners South Coast Metro, California $1.32B AUM 23.87% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return

Jane Street's UDOW Position: Q1 2026 in Review

Jane Street sold out of ProShares UltraPro Dow 30 (UDOW) in Q1 2026, closing a stake of 488,193 shares — an estimated $28.6M sold.

Jane Street first reported a position in UDOW in Q3 2013 and held it in 36 quarters. The position peaked at $28.3M in Q4 2025. 58 funds tracked by Wall St. Rank hold UDOW as of Q1 2026.

  • Jane Street reported no remaining ProShares UltraPro Dow 30 position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 488,193 ProShares UltraPro Dow 30 shares in Q1 2026, an estimated $28.6M.
  • Jane Street first reported a position in ProShares UltraPro Dow 30 in Q3 2013 and held it in 36 quarters.
  • Jane Street's ProShares UltraPro Dow 30 position peaked at $28.3M in Q4 2025.
  • 58 funds tracked by Wall St. Rank held ProShares UltraPro Dow 30 as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.