Jane Street’s Westlake Corp WLK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.6M | Sell |
13,700
-9,300
| -40% | -$902K | ﹤0.01% | 5508 |
|
|
2025
Q4 | $1.7M | Buy |
23,000
+4,300
| +23% | +$306K | ﹤0.01% | 5117 |
|
|
2025
Q3 | $1.44M | Buy |
18,700
+1,600
| +9% | +$133K | ﹤0.01% | 5547 |
|
|
2025
Q2 | $1.3M | Buy |
+17,100
| New | +$1.4M | ﹤0.01% | 5140 |
|
|
2025
Q1 | – | Sell |
-1,800
| Closed | -$206K | – | 10764 |
|
|
2024
Q4 | $206K | Sell |
1,800
-2,000
| -53% | -$260K | ﹤0.01% | 8363 |
|
|
2024
Q3 | $571K | Buy |
+3,800
| New | +$547K | ﹤0.01% | 6962 |
|
|
2024
Q2 | – | Sell |
-10,100
| Closed | -$1.54M | – | 10281 |
|
|
2024
Q1 | $1.54M | Buy |
10,100
+7,700
| +321% | +$1.08M | ﹤0.01% | 4599 |
|
|
2023
Q4 | $336K | Sell |
2,400
-3,200
| -57% | -$406K | ﹤0.01% | 7441 |
|
|
2023
Q3 | $698K | Buy |
5,600
+2,500
| +81% | +$321K | ﹤0.01% | 5736 |
|
|
2023
Q2 | $370K | Sell |
3,100
-3,700
| -54% | -$423K | ﹤0.01% | 6792 |
|
|
2023
Q1 | $789K | Sell |
6,800
-700
| -9% | -$80.8K | ﹤0.01% | 5469 |
|
|
2022
Q4 | $769K | Buy |
7,500
+2,200
| +42% | +$222K | ﹤0.01% | 5420 |
|
|
2022
Q3 | $460K | Sell |
5,300
-9,500
| -64% | -$911K | ﹤0.01% | 6839 |
|
|
2022
Q2 | $1.45M | Sell |
14,800
-2,500
| -14% | -$306K | ﹤0.01% | 4772 |
|
|
2022
Q1 | $2.13M | Buy |
17,300
+700
| +4% | +$76.3K | ﹤0.01% | 4635 |
|
|
2021
Q4 | $1.61M | Sell |
16,600
-12,000
| -42% | -$1.17M | ﹤0.01% | 4919 |
|
|
2021
Q3 | $2.61M | Buy |
28,600
+19,500
| +214% | +$1.67M | ﹤0.01% | 3939 |
|
|
2021
Q2 | $820K | Sell |
9,100
-4,700
| -34% | -$456K | ﹤0.01% | 6268 |
|
|
2021
Q1 | $1.23M | Sell |
13,800
-4,200
| -23% | -$365K | ﹤0.01% | 5060 |
|
|
2020
Q4 | $1.47M | Sell |
18,000
-500
| -3% | -$37.4K | ﹤0.01% | 4037 |
|
|
2020
Q3 | $1.17M | Buy |
18,500
+6,500
| +54% | +$384K | ﹤0.01% | 3835 |
|
|
2020
Q2 | $644K | Buy |
12,000
+6,700
| +126% | +$308K | ﹤0.01% | 4692 |
|
|
2020
Q1 | $202K | Buy |
+5,300
| New | +$298K | ﹤0.01% | 4642 |
|
|
2019
Q2 | – | Sell |
-6,000
| Closed | -$407K | – | 5824 |
|
|
2019
Q1 | $407K | Buy |
+6,000
| New | +$435K | ﹤0.01% | 3907 |
|
|
2018
Q4 | – | Sell |
-21,600
| Closed | -$1.79M | – | 5807 |
|
|
2018
Q3 | $1.79M | Buy |
+21,600
| New | +$2.11M | ﹤0.01% | 2026 |
|
|
2018
Q2 | – | Sell |
-2,000
| Closed | -$222K | – | 5703 |
|
|
2018
Q1 | $222K | Buy |
+2,000
| New | +$222K | ﹤0.01% | 4359 |
|
|
2017
Q4 | – | Sell |
-75,200
| Closed | -$6.25M | – | 5253 |
|
|
2017
Q3 | $6.25M | Buy |
+75,200
| New | +$5.52M | 0.02% | 749 |
|
|
2016
Q4 | – | Sell |
-23,500
| Closed | -$1.26M | – | 4700 |
|
|
2016
Q3 | $1.26M | Buy |
+23,500
| New | +$1.13M | 0.01% | 1667 |
|
|
2015
Q2 | – | Sell |
-3,100
| Closed | -$223K | – | 4106 |
|
|
2015
Q1 | $223K | Buy |
+3,100
| New | +$199K | ﹤0.01% | 2790 |
|
Other funds holding WLK
OAG
BIP
VPM
VCM
Jane Street's WLK Position: Q1 2026 in Review
Jane Street opened a new position in Westlake Corp (WLK) in Q1 2026: 105,686 shares worth $12.3M. The stake represents ﹤0.01% of the portfolio and ranks #2280 among its holdings. This is a return to the name: Jane Street previously reported a position in WLK as recently as Q3 2025.
Jane Street first reported a position in WLK in Q1 2014 and has held it in 35 quarters since. The position peaked at $31.7M in Q2 2024. 337 funds tracked by Wall St. Rank hold WLK as of Q1 2026.
- Jane Street held 105,686 shares of Westlake Corp worth $12.3M as of Q1 2026.
- Westlake Corp was a new Jane Street position in Q1 2026.
- Westlake Corp made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2280 holding.
- Jane Street first reported a position in Westlake Corp in Q1 2014 and has held it in 35 quarters since.
- Jane Street's Westlake Corp position peaked at $31.7M in Q2 2024.
- 337 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.