Jane Street’s ProShares UltraShort Yen YCS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $707K | Buy |
13,343
+2,223
| +20% | +$114K | ﹤0.01% | 7261 |
|
|
2025
Q4 | $566K | Buy |
+11,120
| New | +$543K | ﹤0.01% | 7401 |
|
|
2025
Q2 | – | Sell |
-36,800
| Closed | -$1.63M | – | 11115 |
|
|
2025
Q1 | $1.63M | Buy |
36,800
+28,700
| +354% | +$1.3M | ﹤0.01% | 4695 |
|
|
2024
Q4 | $378K | Sell |
8,100
-616
| -7% | -$27.2K | ﹤0.01% | 7330 |
|
|
2024
Q3 | $339K | Sell |
8,716
-59,686
| -87% | -$2.47M | ﹤0.01% | 7821 |
|
|
2024
Q2 | $3.25M | Buy |
+68,402
| New | +$3.01M | ﹤0.01% | 3682 |
|
|
2023
Q2 | – | Sell |
-10,130
| Closed | -$284K | – | 9700 |
|
|
2023
Q1 | $284K | Buy |
+10,130
| New | +$280K | ﹤0.01% | 7294 |
|
|
2022
Q3 | – | Sell |
-9,602
| Closed | -$274K | – | 10604 |
|
|
2022
Q2 | $274K | Buy |
+9,602
| New | +$252K | ﹤0.01% | 7757 |
|
|
2020
Q3 | – | Sell |
-14,600
| Closed | -$272K | – | 8050 |
|
|
2020
Q2 | $272K | Buy |
+14,600
| New | +$270K | ﹤0.01% | 5980 |
|
|
2020
Q1 | – | Sell |
-23,028
| Closed | -$440K | – | 6103 |
|
|
2019
Q4 | $440K | Sell |
23,028
-4,024
| -15% | -$76.3K | ﹤0.01% | 3837 |
|
|
2019
Q3 | $505K | Sell |
27,052
-9,316
| -26% | -$170K | ﹤0.01% | 3534 |
|
|
2019
Q2 | $668K | Buy |
36,368
+20,516
| +129% | +$389K | ﹤0.01% | 3215 |
|
|
2019
Q1 | $303K | Sell |
15,852
-4,008
| -20% | -$75.2K | ﹤0.01% | 4240 |
|
|
2018
Q4 | $367K | Sell |
19,860
-11,828
| -37% | -$229K | ﹤0.01% | 3833 |
|
|
2018
Q3 | $619K | Buy |
31,688
+16,872
| +114% | +$316K | ﹤0.01% | 3353 |
|
|
2018
Q2 | $272K | Sell |
14,816
-73,852
| -83% | -$1.31M | ﹤0.01% | 4233 |
|
|
2018
Q1 | $1.49M | Sell |
88,668
-50,720
| -36% | -$880K | ﹤0.01% | 2200 |
|
|
2017
Q4 | $2.61M | Buy |
+139,388
| New | +$2.61M | 0.01% | 1342 |
|
|
2017
Q2 | – | Sell |
-42,232
| Closed | -$763K | – | 4969 |
|
|
2017
Q1 | $765K | Buy |
42,232
+16,668
| +65% | +$314K | ﹤0.01% | 2404 |
|
|
2016
Q4 | $513K | Sell |
25,564
-161,012
| -86% | -$2.84M | ﹤0.01% | 2842 |
|
|
2016
Q3 | $2.83M | Buy |
186,576
+135,080
| +262% | +$2.09M | 0.01% | 924 |
|
|
2016
Q2 | $818K | Sell |
51,496
-46,040
| -47% | -$806K | ﹤0.01% | 2212 |
|
|
2016
Q1 | $1.86M | Sell |
97,536
-63,256
| -39% | -$1.27M | 0.01% | 1249 |
|
|
2015
Q4 | $3.53M | Buy |
160,792
+49,360
| +44% | +$1.11M | 0.02% | 671 |
|
|
2015
Q3 | $2.45M | Sell |
111,432
-159,576
| -59% | -$3.65M | 0.02% | 823 |
|
|
2015
Q2 | $6.25M | Buy |
271,008
+223,820
| +474% | +$5.09M | 0.04% | 377 |
|
|
2015
Q1 | $1.05M | Sell |
47,188
-54,412
| -54% | -$1.2M | 0.01% | 1336 |
|
|
2014
Q4 | $2.27M | Buy |
+101,600
| New | +$2.08M | 0.02% | 618 |
|
|
2014
Q3 | – | Sell |
-27,356
| Closed | -$467K | – | 3141 |
|
|
2014
Q2 | $443K | Buy |
+27,356
| New | +$452K | 0.01% | 1515 |
|
|
2013
Q4 | – | Sell |
-22,228
| Closed | -$359K | – | 2973 |
|
|
2013
Q3 | $346K | Sell |
22,228
-130,260
| -85% | -$2.06M | ﹤0.01% | 1983 |
|
|
2013
Q2 | $2.44M | Buy |
+152,488
| New | +$2.45M | 0.04% | 367 |
|
Other funds holding YCS
NL
Jane Street's YCS Position: Q1 2026 in Review
Jane Street increased its ProShares UltraShort Yen (YCS) stake by 20% in Q1 2026, buying an estimated $114K and bringing the position to 13,343 shares worth $707K. The position accounts for ﹤0.01% of the portfolio, ranked #7261.
Jane Street first reported a position in YCS in Q2 2013 and has held it in 31 quarters since. The position peaked at $6.25M in Q2 2015. 6 funds tracked by Wall St. Rank hold YCS as of Q1 2026.
- Jane Street held 13,343 shares of ProShares UltraShort Yen worth $707K as of Q1 2026.
- Jane Street bought 2,223 ProShares UltraShort Yen shares in Q1 2026, an estimated $114K.
- ProShares UltraShort Yen made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7261 holding.
- Jane Street first reported a position in ProShares UltraShort Yen in Q2 2013 and has held it in 31 quarters since.
- Jane Street's ProShares UltraShort Yen position peaked at $6.25M in Q2 2015.
- 6 funds tracked by Wall St. Rank held ProShares UltraShort Yen as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.