Jane Street’s Westport Fuel Systems WPRT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$27.7K Sell
15,193
-13,350
-47% -$26.7K ﹤0.01% 11129
2025
Q4
$44.8K Buy
+28,543
New +$53.4K ﹤0.01% 10536
2023
Q1
Sell
-2,001
Closed -$15.5K 10039
2022
Q4
$15.5K Buy
+2,001
New +$17.1K ﹤0.01% 8664
2022
Q3
Sell
-4,805
Closed -$48K 10576
2022
Q2
$48K Buy
4,805
+3,093
+181% +$38.3K ﹤0.01% 8937
2022
Q1
$27K Sell
1,712
-3,636
-68% -$65K ﹤0.01% 9862
2021
Q4
$126K Sell
5,348
-19,701
-79% -$563K ﹤0.01% 9115
2021
Q3
$824K Buy
25,049
+8,864
+55% +$357K ﹤0.01% 6299
2021
Q2
$859K Buy
16,185
+10,344
+177% +$624K ﹤0.01% 6163
2021
Q1
$419K Buy
5,841
+2,717
+87% +$230K ﹤0.01% 7111
2020
Q4
$166K Buy
+3,124
New +$98.2K ﹤0.01% 7038
2020
Q2
Sell
-1,600
Closed -$15K 7647
2020
Q1
$15K Buy
+1,600
New +$32.9K ﹤0.01% 5189
2019
Q4
Sell
-1,665
Closed -$45K 5858
2019
Q3
$45K Buy
+1,665
New +$47.3K ﹤0.01% 4903
2019
Q1
Sell
-1,187
Closed -$16K 5732
2018
Q4
$16K Buy
+1,187
New +$26.8K ﹤0.01% 4809
2018
Q1
Sell
-3,918
Closed -$147K 5488
2017
Q4
$147K Buy
+3,918
New +$127K ﹤0.01% 4283
2017
Q3
Sell
-3,005
Closed -$71K 5161
2017
Q2
$71K Buy
+3,005
New +$46.8K ﹤0.01% 4203
2017
Q1
Sell
-4,641
Closed -$52K 4755
2016
Q4
$52K Sell
4,641
-30
-0.6% -$418 ﹤0.01% 3927
2016
Q3
$75K Sell
4,671
-1,760
-27% -$25.7K ﹤0.01% 3875
2016
Q2
$107K Buy
6,431
+601
+10% +$12.9K ﹤0.01% 3885
2016
Q1
$152K Buy
5,830
+2,309
+66% +$48.6K ﹤0.01% 3793
2015
Q4
$71K Sell
3,521
-139
-4% -$3.83K ﹤0.01% 3839
2015
Q3
$91K Buy
3,660
+760
+26% +$28.3K ﹤0.01% 3377
2015
Q2
$137K Sell
2,900
-4,159
-59% -$210K ﹤0.01% 3359
2015
Q1
$279K Buy
7,059
+3,991
+130% +$176K ﹤0.01% 2582
2014
Q4
$115K Buy
3,068
+1,117
+57% +$58.8K ﹤0.01% 2325
2014
Q3
$205K Buy
1,951
+549
+39% +$82.4K ﹤0.01% 2210
2014
Q2
$253K Sell
1,402
-2,210
-61% -$330K ﹤0.01% 1979
2014
Q1
$523K Buy
+3,612
New +$623K 0.01% 1530
2013
Q3
Sell
-12,899
Closed -$4.33M 3178
2013
Q2
$4.33M Buy
+12,899
New +$3.78M 0.07% 200

Other funds holding WPRT

Jane Street's WPRT Position: Q1 2026 in Review

Jane Street reduced its Westport Fuel Systems (WPRT) stake by 47% in Q1 2026, selling an estimated $26.7K and leaving 15,193 shares worth $27.7K. The position accounts for ﹤0.01% of the portfolio, ranked #11129.

Jane Street first reported a position in WPRT in Q2 2013 and has held it in 28 quarters since. The position peaked at $4.33M in Q2 2013. 42 funds tracked by Wall St. Rank hold WPRT as of Q1 2026.

  • Jane Street held 15,193 shares of Westport Fuel Systems worth $27.7K as of Q1 2026.
  • Jane Street sold 13,350 Westport Fuel Systems shares in Q1 2026, an estimated $26.7K.
  • Westport Fuel Systems made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #11129 holding.
  • Jane Street first reported a position in Westport Fuel Systems in Q2 2013 and has held it in 28 quarters since.
  • Jane Street's Westport Fuel Systems position peaked at $4.33M in Q2 2013.
  • 42 funds tracked by Wall St. Rank held Westport Fuel Systems as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.