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 | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | – | Sell |
-20,000
| Closed | -$886K | – | 11114 |
|
|
2025
Q1 | $886K | Sell |
20,000
-39,800
| -67% | -$1.8M | ﹤0.01% | 5799 |
|
|
2024
Q4 | $2.79M | Sell |
59,800
-44,600
| -43% | -$1.97M | ﹤0.01% | 3574 |
|
|
2024
Q3 | $4.06M | Buy |
+104,400
| New | +$4.32M | ﹤0.01% | 3200 |
|
|
2018
Q1 | – | Sell |
-14,000
| Closed | -$262K | – | 5503 |
|
|
2017
Q4 | $262K | Sell |
14,000
-25,200
| -64% | -$472K | ﹤0.01% | 3909 |
|
|
2017
Q3 | $727K | Sell |
39,200
-51,200
| -57% | -$923K | ﹤0.01% | 2649 |
|
|
2017
Q2 | $1.67M | Buy |
90,400
+73,200
| +426% | +$1.32M | 0.01% | 1657 |
|
|
2017
Q1 | $312K | Sell |
17,200
-66,800
| -80% | -$1.26M | ﹤0.01% | 3391 |
|
|
2016
Q4 | $1.69M | Buy |
84,000
+52,000
| +163% | +$918K | 0.01% | 1477 |
|
|
2016
Q3 | $485K | Buy |
32,000
+2,000
| +7% | +$31K | ﹤0.01% | 2806 |
|
|
2016
Q2 | $476K | Sell |
30,000
-78,400
| -72% | -$1.37M | ﹤0.01% | 2814 |
|
|
2016
Q1 | $2.07M | Sell |
108,400
-34,000
| -24% | -$683K | 0.01% | 1148 |
|
|
2015
Q4 | $3.13M | Sell |
142,400
-131,200
| -48% | -$2.95M | 0.02% | 742 |
|
|
2015
Q3 | $6.01M | Sell |
273,600
-189,600
| -41% | -$4.34M | 0.04% | 398 |
|
|
2015
Q2 | $10.7M | Buy |
463,200
+236,000
| +104% | +$5.37M | 0.07% | 229 |
|
|
2015
Q1 | $5.05M | Sell |
227,200
-414,000
| -65% | -$9.12M | 0.04% | 395 |
|
|
2014
Q4 | $14.3M | Buy |
641,200
+452,000
| +239% | +$9.27M | 0.11% | 143 |
|
|
2014
Q3 | $3.58M | Buy |
189,200
+156,000
| +470% | +$2.67M | 0.04% | 377 |
|
|
2014
Q2 | $539K | Sell |
33,200
-130,800
| -80% | -$2.16M | 0.01% | 1350 |
|
|
2014
Q1 | $2.77M | Sell |
164,000
-345,200
| -68% | -$5.8M | 0.03% | 428 |
|
|
2013
Q4 | $9.03M | Buy |
509,200
+264,400
| +108% | +$4.27M | 0.13% | 127 |
|
|
2013
Q3 | $3.81M | Sell |
244,800
-152,800
| -38% | -$2.42M | 0.05% | 311 |
|
|
2013
Q2 | $6.37M | Buy |
+397,600
| New | +$6.38M | 0.11% | 136 |
|
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.