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 		– Sell
-488,193
Closed -$28.6M – 13037
2025
Q4 		$28.3M Buy
488,193
+15,313
+3% +$857K ﹤0.01% 1316
2025
Q3 		$25.3M Buy
472,880
+195,714
+71% +$9.74M ﹤0.01% 1435
2025
Q2 		$13.1M Buy
+277,166
New +$11.2M ﹤0.01% 1847
2025
Q1 		– Sell
-11,788
Closed -$577K – 10654
2024
Q4 		$557K Buy
11,788
+6,074
+106% +$307K ﹤0.01% 6566
2024
Q3 		$275K Sell
5,714
-24,322
-81% -$1.05M ﹤0.01% 8172
2024
Q2 		$1.18M Buy
30,036
+22,674
+308% +$884K ﹤0.01% 5465
2024
Q1 		$314K Sell
7,362
-91,588
-93% -$3.59M ﹤0.01% 7491
2023
Q4 		$3.68M Buy
+98,950
New +$2.99M ﹤0.01% 3315
2023
Q3 		– Sell
-34,450
Closed -$1.03M – 9424
2023
Q2 		$1.03M Buy
34,450
+3,338
+11% +$94.7K ﹤0.01% 5149
2023
Q1 		$864K Buy
31,112
+15,686
+102% +$442K ﹤0.01% 5291
2022
Q4 		$437K Buy
15,426
+1,224
+9% +$33.6K ﹤0.01% 6367
2022
Q3 		$274K Sell
14,202
-41,892
-75% -$1.12M ﹤0.01% 7732
2022
Q2 		$1.37M Sell
56,094
-42,606
-43% -$1.28M ﹤0.01% 4886
2022
Q1 		$3.59M Buy
98,700
+9,784
+11% +$359K ﹤0.01% 3612
2021
Q4 		$3.76M Buy
88,916
+42,236
+90% +$1.68M ﹤0.01% 3301
2021
Q3 		$1.6M Sell
46,680
-45,952
-50% -$1.74M ﹤0.01% 4937
2021
Q2 		$3.38M Buy
92,632
+4,356
+5% +$154K ﹤0.01% 3357
2021
Q1 		$2.83M Sell
88,276
-81,184
-48% -$2.28M ﹤0.01% 3367
2020
Q4 		$4.34M Buy
+169,460
New +$3.77M ﹤0.01% 2317
2020
Q3 		– Sell
-275,528
Closed -$5.13M – 7936
2020
Q2 		$4.33M Sell
275,528
-446,244
-62% -$6.31M ﹤0.01% 2030
2020
Q1 		$7.54M Buy
721,772
+673,308
+1,389% +$17.1M 0.01% 935
2019
Q4 		$1.5M Buy
48,464
+37,396
+338% +$1.05M ﹤0.01% 2260
2019
Q3 		$291K Sell
11,068
-30,872
-74% -$795K ﹤0.01% 4228
2019
Q2 		$1.08M Sell
41,940
-22,096
-35% -$541K ﹤0.01% 2606
2019
Q1 		$1.54M Buy
64,036
+11,360
+22% +$252K ﹤0.01% 2304
2018
Q4 		$940K Buy
52,676
+39,972
+315% +$905K ﹤0.01% 2656
2018
Q3 		$347K Buy
+12,704
New +$315K ﹤0.01% 4040
2018
Q2 		– Sell
-10,296
Closed -$227K – 5639
2018
Q1 		$218K Buy
+10,296
New +$251K ﹤0.01% 4376
2017
Q1 		– Sell
-67,416
Closed -$882K – 4709
2016
Q4 		$799K Sell
67,416
-32,512
-33% -$335K ﹤0.01% 2336
2016
Q3 		$933K Sell
99,928
-110,776
-53% -$1.04M ﹤0.01% 2064
2016
Q2 		$1.83M Buy
210,704
+185,312
+730% +$1.57M 0.01% 1354
2016
Q1 		$212K Sell
25,392
-143,360
-85% -$1.01M ﹤0.01% 3636
2015
Q4 		$1.36M Sell
168,752
-55,976
-25% -$458K 0.01% 1426
2015
Q3 		$1.48M Buy
+224,728
New +$1.75M 0.01% 1243
2015
Q1 		– Sell
-66,736
Closed -$587K – 3499
2014
Q4 		$590K Buy
+66,736
New +$545K ﹤0.01% 1370
2013
Q4 		– Sell
-61,232
Closed -$370K – 2910
2013
Q3 		$328K Buy
+61,232
New +$337K ﹤0.01% 2019

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 $419B AUM 72.04% 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 $37.1M AUM 20.75% 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.