Citadel Advisors’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 | $7.3M | Sell |
62,500
-42,400
| -40% | -$4.11M | ﹤0.01% | 3735 |
|
|
2025
Q4 | $7.76M | Buy |
104,900
+87,300
| +496% | +$6.21M | ﹤0.01% | 3603 |
|
|
2025
Q3 | $1.36M | Sell |
17,600
-26,900
| -60% | -$2.24M | ﹤0.01% | 6875 |
|
|
2025
Q2 | $3.38M | Sell |
44,500
-1,400
| -3% | -$115K | ﹤0.01% | 4774 |
|
|
2025
Q1 | $4.59M | Sell |
45,900
-1,500
| -3% | -$166K | ﹤0.01% | 4012 |
|
|
2024
Q4 | $5.43M | Buy |
47,400
+7,900
| +20% | +$1.03M | ﹤0.01% | 3824 |
|
|
2024
Q3 | $5.94M | Sell |
39,500
-3,500
| -8% | -$504K | ﹤0.01% | 3675 |
|
|
2024
Q2 | $6.23M | Buy |
43,000
+28,700
| +201% | +$4.41M | ﹤0.01% | 3415 |
|
|
2024
Q1 | $2.19M | Buy |
14,300
+700
| +5% | +$98.6K | ﹤0.01% | 5351 |
|
|
2023
Q4 | $1.9M | Sell |
13,600
-1,700
| -11% | -$216K | ﹤0.01% | 5452 |
|
|
2023
Q3 | $1.91M | Sell |
15,300
-14,600
| -49% | -$1.87M | ﹤0.01% | 5306 |
|
|
2023
Q2 | $3.57M | Buy |
29,900
+11,700
| +64% | +$1.34M | ﹤0.01% | 4172 |
|
|
2023
Q1 | $2.11M | Sell |
18,200
-26,500
| -59% | -$3.06M | ﹤0.01% | 5263 |
|
|
2022
Q4 | $4.58M | Buy |
44,700
+14,600
| +49% | +$1.47M | ﹤0.01% | 3990 |
|
|
2022
Q3 | $2.62M | Sell |
30,100
-8,700
| -22% | -$834K | ﹤0.01% | 5082 |
|
|
2022
Q2 | $3.8M | Sell |
38,800
-44,700
| -54% | -$5.47M | ﹤0.01% | 4312 |
|
|
2022
Q1 | $10.3M | Buy |
83,500
+62,000
| +288% | +$6.76M | ﹤0.01% | 2901 |
|
|
2021
Q4 | $2.09M | Sell |
21,500
-15,900
| -43% | -$1.55M | ﹤0.01% | 6130 |
|
|
2021
Q3 | $3.41M | Buy |
37,400
+6,200
| +20% | +$531K | ﹤0.01% | 5087 |
|
|
2021
Q2 | $2.81M | Buy |
31,200
+10,300
| +49% | +$1M | ﹤0.01% | 5757 |
|
|
2021
Q1 | $1.86M | Sell |
20,900
-2,300
| -10% | -$200K | ﹤0.01% | 6568 |
|
|
2020
Q4 | $1.89M | Sell |
23,200
-6,600
| -22% | -$493K | ﹤0.01% | 5456 |
|
|
2020
Q3 | $1.88M | Sell |
29,800
-5,300
| -15% | -$313K | ﹤0.01% | 4823 |
|
|
2020
Q2 | $1.88M | Sell |
35,100
-4,100
| -10% | -$189K | ﹤0.01% | 4690 |
|
|
2020
Q1 | $1.5M | Buy |
39,200
+6,900
| +21% | +$388K | ﹤0.01% | 4627 |
|
|
2019
Q4 | $2.27M | Sell |
32,300
-17,100
| -35% | -$1.15M | ﹤0.01% | 4206 |
|
|
2019
Q3 | $3.24M | Buy |
49,400
+5,000
| +11% | +$322K | ﹤0.01% | 3729 |
|
|
2019
Q2 | $3.08M | Buy |
44,400
+9,900
| +29% | +$659K | ﹤0.01% | 3809 |
|
|
2019
Q1 | $2.34M | Buy |
34,500
+9,400
| +37% | +$681K | ﹤0.01% | 4198 |
|
|
2018
Q4 | $1.66M | Sell |
25,100
-18,700
| -43% | -$1.35M | ﹤0.01% | 4443 |
|
|
2018
Q3 | $3.64M | Buy |
43,800
+11,200
| +34% | +$1.1M | ﹤0.01% | 3436 |
|
|
2018
Q2 | $3.51M | Buy |
32,600
+8,800
| +37% | +$987K | ﹤0.01% | 3270 |
|
|
2018
Q1 | $2.65M | Buy |
23,800
+2,900
| +14% | +$323K | ﹤0.01% | 3314 |
|
|
2017
Q4 | $2.23M | Sell |
20,900
-2,300
| -10% | -$213K | ﹤0.01% | 3488 |
|
|
2017
Q3 | $1.93M | Sell |
23,200
-9,400
| -29% | -$690K | ﹤0.01% | 3458 |
|
|
2017
Q2 | $2.16M | Buy |
32,600
+6,800
| +26% | +$432K | ﹤0.01% | 3082 |
|
|
2017
Q1 | $1.7M | Buy |
25,800
+17,900
| +227% | +$1.13M | ﹤0.01% | 3255 |
|
|
2016
Q4 | $442K | Sell |
7,900
-5,000
| -39% | -$273K | ﹤0.01% | 5097 |
|
|
2016
Q3 | $690K | Sell |
12,900
-15,600
| -55% | -$753K | ﹤0.01% | 4349 |
|
|
2016
Q2 | $1.22M | Buy |
28,500
+400
| +1% | +$18.3K | ﹤0.01% | 3317 |
|
|
2016
Q1 | $1.3M | Buy |
28,100
+5,400
| +24% | +$245K | ﹤0.01% | 3150 |
|
|
2015
Q4 | $1.23M | Sell |
22,700
-1,000
| -4% | -$57.9K | ﹤0.01% | 3322 |
|
|
2015
Q3 | $1.23M | Buy |
23,700
+3,600
| +18% | +$210K | ﹤0.01% | 3550 |
|
|
2015
Q2 | $1.38M | Sell |
20,100
-31,500
| -61% | -$2.29M | ﹤0.01% | 3544 |
|
|
2015
Q1 | $3.71M | Buy |
51,600
+42,700
| +480% | +$2.74M | ﹤0.01% | 2351 |
|
|
2014
Q4 | $544K | Sell |
8,900
-2,100
| -19% | -$143K | ﹤0.01% | 4613 |
|
|
2014
Q3 | $952K | Sell |
11,000
-106,800
| -91% | -$9.66M | ﹤0.01% | 3753 |
|
|
2014
Q2 | $9.87M | Buy |
117,800
+101,300
| +614% | +$7.58M | 0.01% | 1282 |
|
|
2014
Q1 | $1.09M | Sell |
16,500
-23,900
| -59% | -$1.52M | ﹤0.01% | 3319 |
|
|
2013
Q4 | $2.47M | Buy |
40,400
+12,200
| +43% | +$685K | ﹤0.01% | 2342 |
|
|
2013
Q3 | $1.48M | Sell |
28,200
-55,400
| -66% | -$2.83M | ﹤0.01% | 2681 |
|
|
2013
Q2 | $4.03M | Buy |
+83,600
| New | +$3.76M | 0.01% | 1770 |
|
Other funds holding WLK
OAG
BIP
VPM
VCM
Citadel Advisors's WLK Position: Q1 2026 in Review
Citadel Advisors increased its Westlake Corp (WLK) stake by 252% in Q1 2026, buying an estimated $49.7M and bringing the position to 715,586 shares worth $83.6M. The position accounts for 0.01% of the portfolio, ranked #938.
Citadel Advisors first reported a position in WLK in Q2 2013 and has held it in 52 quarters since. The position peaked at $205M in Q2 2015. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.
- Citadel Advisors held 715,586 shares of Westlake Corp worth $83.6M as of Q1 2026.
- Citadel Advisors bought 512,283 Westlake Corp shares in Q1 2026, an estimated $49.7M.
- Westlake Corp made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #938 holding.
- Citadel Advisors first reported a position in Westlake Corp in Q2 2013 and has held it in 52 quarters since.
- Citadel Advisors's Westlake Corp position peaked at $205M in Q2 2015.
- 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.