WESTLAKE CORP - COM (WLK) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / COM
Symbol
WLK on NYSE
Price per share
$73.94
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
41,463,901
Total reported value
$3,194,894,107
% of total 13F portfolios
0%
Share change
+2,200,131
Value change
+$171,984,567
Number of holders
293
Price from insider filings
$73.94
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

As of 30 Sep 2025, 293 institutional investors reported holding 41,463,901 shares of WESTLAKE CORP - COM (WLK).

Institutional Holders of WESTLAKE CORP - COM (WLK) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 641,071 $47,507,618 -$2,329,552 $73.94 20
2025 Q3 41,463,901 $3,194,894,107 +$171,984,567 $77.06 293
2025 Q2 39,331,374 $2,988,909,852 +$191,189,516 $75.93 302
2025 Q1 35,955,773 $3,595,027,641 +$89,650,088 $100.03 355
2024 Q4 35,062,846 $4,016,892,549 +$119,920,399 $114.65 374
2024 Q3 33,626,464 $5,051,906,427 -$54,418,100 $150.29 398
2024 Q2 33,918,505 $4,913,906,263 -$137,440,495 $144.82 377
2024 Q1 34,008,729 $5,196,165,363 -$259,342,603 $152.80 341
2023 Q4 35,887,292 $5,022,573,110 -$159,272,587 $139.96 353
2023 Q3 37,104,188 $4,625,180,937 +$28,466,158 $124.67 332
2023 Q2 36,790,936 $4,397,162,133 -$119,828,518 $119.47 335
2023 Q1 37,754,020 $4,377,194,379 +$194,466,931 $115.98 337
2022 Q4 36,255,792 $3,718,239,748 +$183,422,803 $102.54 339
2022 Q3 34,810,948 $3,025,069,640 -$110,809,833 $86.88 305
2022 Q2 35,641,273 $3,493,033,437 +$36,281,949 $98.02 337
2022 Q1 35,524,019 $4,384,712,928 +$126,016,952 $123.40 316
2021 Q4 34,660,108 $3,365,576,971 +$1,084,841 $97.13 286
2021 Q3 34,506,444 $3,148,158,781 +$92,156,053 $91.14 261
2021 Q2 33,534,876 $3,021,041,387 -$109,607,743 $90.09 267
2021 Q1 34,753,905 $3,085,828,789 +$119,243,678 $88.79 231
2020 Q4 33,570,512 $2,739,246,603 -$115,149,486 $81.60 217
2020 Q3 35,059,178 $2,216,373,693 -$89,007,831 $63.22 193
2020 Q2 36,559,600 $1,961,728,082 +$42,236,823 $53.65 202
2020 Q1 35,968,215 $1,372,969,054 -$173,454,128 $38.17 209
2019 Q4 37,844,344 $2,654,460,585 -$125,326,827 $70.15 240
2019 Q3 39,654,117 $2,598,070,855 -$29,694,886 $65.52 237
2019 Q2 40,031,713 $2,780,541,703 +$278,790,189 $69.46 259
2019 Q1 36,742,832 $2,493,245,632 +$51,277,628 $67.86 294
2018 Q4 36,040,512 $2,383,310,866 -$183,514,913 $66.17 291
2018 Q3 38,535,949 $3,202,276,134 -$172,831,006 $83.11 306
2018 Q2 39,840,070 $4,288,718,458 +$111,806,642 $107.63 324
2018 Q1 38,985,938 $4,333,054,789 +$10,081,289 $111.15 316
2017 Q4 39,192,909 $4,175,042,471 -$70,389,107 $106.53 280
2017 Q3 40,165,187 $3,337,608,288 -$99,816,402 $83.09 237
2017 Q2 41,842,412 $2,770,219,564 +$222,731,913 $66.21 212
2017 Q1 39,690,231 $2,621,528,303 +$158,639,366 $66.05 216
2016 Q4 38,874,176 $2,176,941,155 -$5,398,387 $55.99 218
2016 Q3 38,148,273 $2,039,094,098 -$6,470,747 $53.50 219
2016 Q2 38,742,091 $1,662,382,659 -$2,809,878 $42.92 234
2016 Q1 38,882,667 $1,800,612,928 +$114,064,542 $46.30 266
2015 Q4 35,758,551 $1,942,663,153 -$99,305,576 $54.32 267
2015 Q3 37,505,219 $1,945,951,994 -$29,957,723 $51.89 246
2015 Q2 37,582,754 $2,577,004,540 -$117,001,035 $68.59 261
2015 Q1 39,195,636 $2,815,337,611 +$99,040,768 $71.94 264
2014 Q4 38,540,911 $2,353,942,914 -$40,803,102 $61.09 275
2014 Q3 37,804,255 $3,273,499,839 -$71,497,823 $86.59 280
2014 Q2 38,509,330 $3,226,358,463 +$39,478,524 $83.76 265
2014 Q1 38,357,918 $2,538,144,885 +$1,220,257,423 $66.18 242