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 | $83.6M | Buy |
715,586
+512,283
| +252% | +$49.7M | 0.01% | 938 |
|
|
2025
Q4 | $15M | Sell |
203,303
-997,548
| -83% | -$71M | ﹤0.01% | 2700 |
|
|
2025
Q3 | $92.5M | Buy |
1,200,851
+1,188,545
| +9,658% | +$99M | 0.01% | 901 |
|
|
2025
Q2 | $934K | Sell |
12,306
-840,550
| -99% | -$68.8M | ﹤0.01% | 7253 |
|
|
2025
Q1 | $85.3M | Buy |
852,856
+172,525
| +25% | +$19.1M | 0.02% | 790 |
|
|
2024
Q4 | $78M | Buy |
680,331
+155,978
| +30% | +$20.3M | 0.01% | 899 |
|
|
2024
Q3 | $78.8M | Sell |
524,353
-53,630
| -9% | -$7.72M | 0.02% | 866 |
|
|
2024
Q2 | $83.7M | Buy |
577,983
+15,813
| +3% | +$2.43M | 0.02% | 784 |
|
|
2024
Q1 | $85.9M | Sell |
562,170
-18,308
| -3% | -$2.58M | 0.02% | 808 |
|
|
2023
Q4 | $81.2M | Sell |
580,478
-190,176
| -25% | -$24.1M | 0.02% | 816 |
|
|
2023
Q3 | $96.1M | Sell |
770,654
-62,695
| -8% | -$8.05M | 0.02% | 647 |
|
|
2023
Q2 | $99.6M | Sell |
833,349
-393,027
| -32% | -$45M | 0.02% | 614 |
|
|
2023
Q1 | $142M | Buy |
1,226,376
+871,295
| +245% | +$101M | 0.03% | 448 |
|
|
2022
Q4 | $36.4M | Buy |
355,081
+324,496
| +1,061% | +$32.7M | 0.01% | 1381 |
|
|
2022
Q3 | $2.66M | Sell |
30,585
-106,054
| -78% | -$10.2M | ﹤0.01% | 5054 |
|
|
2022
Q2 | $13.4M | Sell |
136,639
-70,317
| -34% | -$8.61M | ﹤0.01% | 2315 |
|
|
2022
Q1 | $25.5M | Buy |
206,956
+12,065
| +6% | +$1.32M | 0.01% | 1719 |
|
|
2021
Q4 | $18.9M | Sell |
194,891
-413,202
| -68% | -$40.3M | ﹤0.01% | 2093 |
|
|
2021
Q3 | $55.4M | Buy |
608,093
+133,585
| +28% | +$11.4M | 0.01% | 1050 |
|
|
2021
Q2 | $42.7M | Sell |
474,508
-367,872
| -44% | -$35.7M | 0.01% | 1271 |
|
|
2021
Q1 | $74.8M | Buy |
842,380
+55,167
| +7% | +$4.79M | 0.02% | 749 |
|
|
2020
Q4 | $64.2M | Buy |
787,213
+312,694
| +66% | +$23.4M | 0.02% | 788 |
|
|
2020
Q3 | $30M | Buy |
474,519
+143,280
| +43% | +$8.46M | 0.01% | 1226 |
|
|
2020
Q2 | $17.8M | Buy |
331,239
+114,181
| +53% | +$5.26M | 0.01% | 1612 |
|
|
2020
Q1 | $8.29M | Buy |
217,058
+187,201
| +627% | +$10.5M | ﹤0.01% | 2079 |
|
|
2019
Q4 | $2.09M | Sell |
29,857
-12,737
| -30% | -$855K | ﹤0.01% | 4351 |
|
|
2019
Q3 | $2.79M | Sell |
42,594
-31,750
| -43% | -$2.04M | ﹤0.01% | 3964 |
|
|
2019
Q2 | $5.16M | Sell |
74,344
-573,458
| -89% | -$38.2M | ﹤0.01% | 3034 |
|
|
2019
Q1 | $44M | Buy |
647,802
+630,171
| +3,574% | +$45.7M | 0.02% | 764 |
|
|
2018
Q4 | $1.17M | Sell |
17,631
-58,726
| -77% | -$4.24M | ﹤0.01% | 5069 |
|
|
2018
Q3 | $6.35M | Buy |
76,357
+6,939
| +10% | +$679K | ﹤0.01% | 2674 |
|
|
2018
Q2 | $7.47M | Sell |
69,418
-266,096
| -79% | -$29.8M | ﹤0.01% | 2259 |
|
|
2018
Q1 | $37.3M | Buy |
335,514
+275,780
| +462% | +$30.7M | 0.02% | 742 |
|
|
2017
Q4 | $6.36M | Sell |
59,734
-835,154
| -93% | -$77.4M | ﹤0.01% | 2188 |
|
|
2017
Q3 | $74.4M | Sell |
894,888
-1,501,258
| -63% | -$110M | 0.06% | 355 |
|
|
2017
Q2 | $159M | Buy |
2,396,146
+82,144
| +4% | +$5.22M | 0.13% | 119 |
|
|
2017
Q1 | $153M | Buy |
2,314,002
+1,801,177
| +351% | +$114M | 0.14% | 116 |
|
|
2016
Q4 | $28.7M | Sell |
512,825
-188,927
| -27% | -$10.3M | 0.03% | 641 |
|
|
2016
Q3 | $37.5M | Sell |
701,752
-1,027,766
| -59% | -$49.6M | 0.04% | 523 |
|
|
2016
Q2 | $74.2M | Buy |
1,729,518
+1,222,228
| +241% | +$55.8M | 0.08% | 211 |
|
|
2016
Q1 | $23.5M | Sell |
507,290
-1,450,764
| -74% | -$65.8M | 0.03% | 665 |
|
|
2015
Q4 | $106M | Sell |
1,958,054
-422,804
| -18% | -$24.5M | 0.12% | 182 |
|
|
2015
Q3 | $124M | Sell |
2,380,858
-611,546
| -20% | -$35.7M | 0.12% | 158 |
|
|
2015
Q2 | $205M | Buy |
2,992,404
+1,163,921
| +64% | +$84.7M | 0.18% | 97 |
|
|
2015
Q1 | $132M | Buy |
1,828,483
+950,768
| +108% | +$60.9M | 0.12% | 156 |
|
|
2014
Q4 | $53.6M | Buy |
877,715
+745,300
| +563% | +$50.7M | 0.05% | 438 |
|
|
2014
Q3 | $11.5M | Buy |
132,415
+45,148
| +52% | +$4.09M | 0.01% | 1270 |
|
|
2014
Q2 | $7.31M | Sell |
87,267
-129,098
| -60% | -$9.67M | 0.01% | 1518 |
|
|
2014
Q1 | $14.3M | Sell |
216,365
-431,441
| -67% | -$27.4M | 0.02% | 1054 |
|
|
2013
Q4 | $39.5M | Sell |
647,806
-222,624
| -26% | -$12.5M | 0.05% | 448 |
|
|
2013
Q3 | $45.5M | Buy |
870,430
+235,840
| +37% | +$12M | 0.07% | 352 |
|
|
2013
Q2 | $30.6M | Buy |
+634,590
| New | +$28.5M | 0.05% | 440 |
|
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.