Simplex Trading
SDS icon

Simplex Trading’s ProShares UltraShort S&P500 SDS Stock Holding History

Simplex Trading’s Portfolio SDS Stock Details SDS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$581K Sell
10,213
-486
-5% -$29.7K ﹤0.01% 3417
2026
Q1 		$805K Buy
10,699
+8,373
+360% +$581K ﹤0.01% 2718
2025
Q4 		$159K Buy
+2,326
New +$164K ﹤0.01% 4467
2025
Q3 		– Sell
-5,835
Closed -$485K – 9950
2025
Q2 		$485K Buy
5,835
+4,543
+352% +$451K ﹤0.01% 3541
2025
Q1 		$138K Sell
1,292
-4,176
-76% -$412K ﹤0.01% 4718
2024
Q4 		$537K Buy
5,468
+3,752
+219% +$371K ﹤0.01% 3459
2024
Q3 		$177K Buy
1,716
+544
+46% +$61.3K ﹤0.01% 4637
2024
Q2 		$135K Sell
1,172
-445
-28% -$56K ﹤0.01% 5044
2024
Q1 		$201K Buy
+1,617
New +$223K ﹤0.01% 4865
2023
Q3 		– Sell
-38
Closed -$6K – 9689
2023
Q2 		$6K Buy
+38
New +$7.3K ﹤0.01% 7828
2023
Q1 		– Sell
-33,891
Closed -$7.79M – 10006
2022
Q4 		$7.79M Buy
33,891
+33,062
+3,988% +$7.67M 0.01% 971
2022
Q3 		$226K Sell
829
-885
-52% -$200K ﹤0.01% 4456
2022
Q2 		$431K Sell
1,714
-2,134
-55% -$477K ﹤0.01% 3629
2022
Q1 		$720K Buy
+3,848
New +$762K ﹤0.01% 3360
2021
Q4 		– Sell
-748
Closed -$167K – 11324
2021
Q3 		$167K Buy
748
+110
+17% +$23.3K ﹤0.01% 5885
2021
Q2 		$144K Buy
+638
New +$154K ﹤0.01% 6196
2021
Q1 		– Sell
-856
Closed -$265K – 9886
2020
Q4 		$265K Sell
856
-3,382
-80% -$1.19M ﹤0.01% 4243
2020
Q3 		$1.69M Buy
+4,238
New +$1.77M ﹤0.01% 1691
2020
Q1 		– Sell
-1,334
Closed -$828K – 8184
2019
Q4 		$828K Sell
1,334
-817
-38% -$561K ﹤0.01% 2259
2019
Q3 		$1.59M Buy
2,151
+888
+70% +$670K ﹤0.01% 1529
2019
Q2 		$969K Sell
1,263
-87
-6% -$70K ﹤0.01% 1931
2019
Q1 		$1.12M Buy
1,350
+441
+49% +$401K ﹤0.01% 1891
2018
Q4 		$975K Sell
909
-627
-41% -$600K ﹤0.01% 1651
2018
Q3 		$1.27M Buy
+1,536
New +$1.34M ﹤0.01% 1648
2017
Q3 		– Sell
-317
Closed -$401K – 6556
2017
Q2 		$401K Buy
+317
New +$413K 0.02% 774
2016
Q4 		– Sell
-1,423
Closed -$2.33M – 6439
2016
Q3 		$2.33M Buy
1,423
+405
+40% +$674K 0.16% 118
2016
Q2 		$1.81M Sell
1,018
-359
-26% -$664K 0.12% 155
2016
Q1 		$2.61M Buy
1,377
+25
+2% +$53.7K 0.21% 81
2015
Q4 		$2.69M Buy
1,352
+1,205
+820% +$2.42M 0.21% 80
2015
Q3 		$341K Buy
+147
New +$316K 0.03% 606
2015
Q2 		– Sell
-14
Closed -$29K – 5782
2015
Q1 		$29K Buy
+14
New +$30.3K ﹤0.01% 2003

Other funds holding SDS

JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
DS
DRW Securities Chicago, Illinois $4.11B AUM 21.98% 1-Year Est. Return
AWM
Axxcess Wealth Management Carlsbad, California $6.28B AUM 24.26% 1-Year Est. Return
RCM
Ridgepath Capital Management Knoxville, Tennessee $227M AUM 13.85% 1-Year Est. Return
AIG
Abbington Investment Group Westport, Connecticut $157M AUM 35.92% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
TSS
Two Sigma Securities New York $1.16B AUM 36.23% 1-Year Est. Return

Simplex Trading's SDS Position: Q2 2026 in Review

Simplex Trading reduced its ProShares UltraShort S&P500 (SDS) stake by 4.5% in Q2 2026, selling an estimated $29.7K and leaving 10,213 shares worth $581K. The position accounts for ﹤0.01% of the portfolio, ranked #3417.

Simplex Trading first reported a position in SDS in Q1 2015 and has held it in 31 quarters since. The position peaked at $7.79M in Q4 2022. 49 funds tracked by Wall St. Rank hold SDS as of Q2 2026.

  • Simplex Trading held 10,213 shares of ProShares UltraShort S&P500 worth $581K as of Q2 2026.
  • Simplex Trading sold 486 ProShares UltraShort S&P500 shares in Q2 2026, an estimated $29.7K.
  • ProShares UltraShort S&P500 made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3417 holding.
  • Simplex Trading first reported a position in ProShares UltraShort S&P500 in Q1 2015 and has held it in 31 quarters since.
  • Simplex Trading's ProShares UltraShort S&P500 position peaked at $7.79M in Q4 2022.
  • 49 funds tracked by Wall St. Rank held ProShares UltraShort S&P500 as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.