Simplex Trading’s ProShares Trust UltraShort Lehman 7-10 Year Treasury PST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $168K | Buy |
+7,479
| New | +$166K | ﹤0.01% | 4504 |
|
|
2025
Q4 | – | Sell |
-33
| Closed | – | – | 9774 |
|
|
2025
Q3 | $0 | Hold |
33
| – | – | ﹤0.01% | 9847 |
|
|
2025
Q2 | $0 | Sell |
33
-789
| -96% | -$18.3K | ﹤0.01% | 9524 |
|
|
2025
Q1 | $18K | Buy |
+822
| New | +$19.6K | ﹤0.01% | 6668 |
|
|
2024
Q4 | – | Sell |
-200
| Closed | -$4K | – | 9398 |
|
|
2024
Q3 | $4K | Sell |
200
-644
| -76% | -$14.4K | ﹤0.01% | 7759 |
|
|
2024
Q2 | $20K | Buy |
844
+800
| +1,818% | +$19.3K | ﹤0.01% | 6901 |
|
|
2024
Q1 | $1K | Buy |
+44
| New | +$1.02K | ﹤0.01% | 8628 |
|
|
2023
Q4 | – | Sell |
-167
| Closed | -$4K | – | 9608 |
|
|
2023
Q3 | $4K | Sell |
167
-636
| -79% | -$14.8K | ﹤0.01% | 7802 |
|
|
2023
Q2 | $17K | Sell |
803
-7,019
| -90% | -$150K | ﹤0.01% | 6936 |
|
|
2023
Q1 | $163K | Buy |
7,822
+7,378
| +1,662% | +$159K | ﹤0.01% | 4572 |
|
|
2022
Q4 | $9K | Buy |
+444
| New | +$9.85K | ﹤0.01% | 7646 |
|
|
2022
Q3 | – | Sell |
-57,800
| Closed | -$1.14M | – | 10681 |
|
|
2022
Q2 | $1.14M | Buy |
57,800
+3,564
| +7% | +$70.6K | ﹤0.01% | 2473 |
|
|
2022
Q1 | $988K | Buy |
54,236
+25,904
| +91% | +$446K | ﹤0.01% | 2945 |
|
|
2021
Q4 | $455K | Buy |
28,332
+6,342
| +29% | +$103K | ﹤0.01% | 3944 |
|
|
2021
Q3 | $360K | Hold |
21,990
| – | – | ﹤0.01% | 4619 |
|
|
2021
Q2 | $360K | Sell |
21,990
-16,509
| -43% | -$276K | ﹤0.01% | 4675 |
|
|
2021
Q1 | $0 | Sell |
38,499
-4,644
| -11% | -$75.8K | ﹤0.01% | 9789 |
|
|
2020
Q4 | $666K | Sell |
43,143
-11,455
| -21% | -$177K | ﹤0.01% | 3077 |
|
|
2020
Q3 | $826K | Sell |
54,598
-11,900
| -18% | -$180K | ﹤0.01% | 2455 |
|
|
2020
Q2 | $1.01M | Sell |
66,498
-12,690
| -16% | -$196K | ﹤0.01% | 2140 |
|
|
2020
Q1 | $1.23M | Buy |
+79,188
| New | +$1.38M | ﹤0.01% | 1693 |
|
|
2019
Q3 | – | Sell |
-510
| Closed | -$9K | – | 7751 |
|
|
2019
Q2 | $9K | Buy |
+510
| New | +$10.5K | ﹤0.01% | 6182 |
|
|
2018
Q3 | – | Sell |
-976
| Closed | -$22K | – | 7926 |
|
|
2018
Q2 | $22K | Buy |
+976
| New | +$22.5K | ﹤0.01% | 5797 |
|
|
2017
Q4 | – | Sell |
-100
| Closed | -$2K | – | 6534 |
|
|
2017
Q3 | $2K | Sell |
100
-635
| -86% | -$13.4K | ﹤0.01% | 5136 |
|
|
2017
Q2 | $15K | Buy |
+735
| New | +$15.8K | ﹤0.01% | 3589 |
|
|
2016
Q1 | – | Sell |
-25
| Closed | – | – | 6104 |
|
|
2015
Q4 | $0 | Sell |
25
-15
| -38% | -$347 | ﹤0.01% | 5985 |
|
|
2015
Q3 | $0 | Buy |
+40
| New | +$947 | ﹤0.01% | 6054 |
|
Other funds holding PST
CA
MSG
Simplex Trading's PST Position: Q1 2026 in Review
Simplex Trading opened a new position in ProShares Trust UltraShort Lehman 7-10 Year Treasury (PST) in Q1 2026: 7,479 shares worth $168K. The stake represents ﹤0.01% of the portfolio and ranks #4504 among its holdings. This is a return to the name: Simplex Trading previously reported a position in PST as recently as Q3 2025.
Simplex Trading first reported a position in PST in Q3 2015 and has held it in 27 quarters since. The position peaked at $1.23M in Q1 2020. 9 funds tracked by Wall St. Rank hold PST as of Q1 2026.
- Simplex Trading held 7,479 shares of ProShares Trust UltraShort Lehman 7-10 Year Treasury worth $168K as of Q1 2026.
- ProShares Trust UltraShort Lehman 7-10 Year Treasury was a new Simplex Trading position in Q1 2026.
- ProShares Trust UltraShort Lehman 7-10 Year Treasury made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4504 holding.
- Simplex Trading first reported a position in ProShares Trust UltraShort Lehman 7-10 Year Treasury in Q3 2015 and has held it in 27 quarters since.
- Simplex Trading's ProShares Trust UltraShort Lehman 7-10 Year Treasury position peaked at $1.23M in Q1 2020.
- 9 funds tracked by Wall St. Rank held ProShares Trust UltraShort Lehman 7-10 Year Treasury as of Q1 2026.
Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.