Northern Trust’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
$31.4M Buy
269,149
+515
+0.2% +$49.9K ﹤0.01% 1404
2025
Q4
$19.9M Buy
268,634
+30,495
+13% +$2.17M ﹤0.01% 1653
2025
Q3
$18.4M Buy
238,139
+5,177
+2% +$431K ﹤0.01% 1745
2025
Q2
$17.7M Sell
232,962
-81,656
-26% -$6.68M ﹤0.01% 1715
2025
Q1
$31.5M Buy
314,618
+8,955
+3% +$992K ﹤0.01% 1354
2024
Q4
$35M Buy
305,663
+34,481
+13% +$4.49M 0.01% 1350
2024
Q3
$40.8M Sell
271,182
-2,790
-1% -$401K 0.01% 1165
2024
Q2
$39.7M Buy
273,972
+27,498
+11% +$4.22M 0.01% 1145
2024
Q1
$37.7M Sell
246,474
-55,813
-18% -$7.86M 0.01% 1174
2023
Q4
$42.3M Sell
302,287
-19,601
-6% -$2.49M 0.01% 1114
2023
Q3
$40.1M Buy
321,888
+5,401
+2% +$693K 0.01% 1086
2023
Q2
$37.8M Buy
316,487
+13,173
+4% +$1.51M 0.01% 1155
2023
Q1
$35.2M Sell
303,314
-4,223
-1% -$487K 0.01% 1180
2022
Q4
$31.5M Buy
307,537
+98,463
+47% +$9.92M 0.01% 1227
2022
Q3
$18.2M Sell
209,074
-13,566
-6% -$1.3M ﹤0.01% 1552
2022
Q2
$21.8M Buy
222,640
+44,364
+25% +$5.43M ﹤0.01% 1463
2022
Q1
$22M Sell
178,276
-123
-0.1% -$13.4K ﹤0.01% 1609
2021
Q4
$17.3M Buy
178,399
+14,346
+9% +$1.4M ﹤0.01% 1873
2021
Q3
$15M Sell
164,053
-14,074
-8% -$1.21M ﹤0.01% 2001
2021
Q2
$16M Sell
178,127
-16,200
-8% -$1.57M ﹤0.01% 2044
2021
Q1
$17.3M Sell
194,327
-2,148
-1% -$186K ﹤0.01% 1933
2020
Q4
$16M Sell
196,475
-3,259
-2% -$244K ﹤0.01% 1942
2020
Q3
$12.6M Sell
199,734
-4,266
-2% -$252K ﹤0.01% 1953
2020
Q2
$10.9M Sell
204,000
-87,898
-30% -$4.05M ﹤0.01% 2043
2020
Q1
$11.1M Buy
291,898
+10,513
+4% +$591K ﹤0.01% 1805
2019
Q4
$19.7M Buy
281,385
+22,861
+9% +$1.54M ﹤0.01% 1728
2019
Q3
$16.9M Sell
258,524
-6,023
-2% -$388K ﹤0.01% 1808
2019
Q2
$18.4M Buy
264,547
+3,969
+2% +$264K ﹤0.01% 1741
2019
Q1
$17.7M Sell
260,578
-39,149
-13% -$2.84M ﹤0.01% 1780
2018
Q4
$19.8M Buy
299,727
+6,096
+2% +$441K 0.01% 1590
2018
Q3
$24.4M Buy
293,631
+42,815
+17% +$4.19M 0.01% 1632
2018
Q2
$27M Buy
250,816
+54,409
+28% +$6.1M 0.01% 1540
2018
Q1
$21.8M Buy
196,407
+2,381
+1% +$265K 0.01% 1617
2017
Q4
$20.7M Buy
194,026
+2,711
+1% +$251K 0.01% 1680
2017
Q3
$15.9M Sell
191,315
-3,775
-2% -$277K ﹤0.01% 1883
2017
Q2
$12.9M Sell
195,090
-8,460
-4% -$537K ﹤0.01% 1995
2017
Q1
$13.4M Buy
203,550
+5,893
+3% +$373K ﹤0.01% 1898
2016
Q4
$11.1M Buy
197,657
+38,167
+24% +$2.08M ﹤0.01% 2044
2016
Q3
$8.53M Sell
159,490
-57,453
-26% -$2.77M ﹤0.01% 2185
2016
Q2
$9.31M Sell
216,943
-26,531
-11% -$1.21M ﹤0.01% 2068
2016
Q1
$11.3M Buy
243,474
+34,235
+16% +$1.55M ﹤0.01% 1887
2015
Q4
$11.4M Sell
209,239
-10,541
-5% -$611K ﹤0.01% 1930
2015
Q3
$11.4M Sell
219,780
-14,298
-6% -$835K ﹤0.01% 1902
2015
Q2
$16.1M Sell
234,078
-8,784
-4% -$639K ﹤0.01% 1751
2015
Q1
$17.5M Sell
242,862
-9,506
-4% -$609K 0.01% 1683
2014
Q4
$15.4M Sell
252,368
-10,080
-4% -$686K ﹤0.01% 1743
2014
Q3
$22.7M Sell
262,448
-55,503
-17% -$5.02M 0.01% 1403
2014
Q2
$26.6M Buy
317,951
+147,174
+86% +$11M 0.01% 1282
2014
Q1
$11.3M Buy
170,777
+6,313
+4% +$401K ﹤0.01% 2016
2013
Q4
$10M Sell
164,464
-5,130
-3% -$288K ﹤0.01% 2082
2013
Q3
$8.88M Buy
169,594
+2,432
+1% +$124K ﹤0.01% 2104
2013
Q2
$8.06M Buy
+167,162
New +$7.51M ﹤0.01% 2085

Other funds holding WLK

Northern Trust's WLK Position: Q1 2026 in Review

Northern Trust increased its Westlake Corp (WLK) stake by 0.19% in Q1 2026, buying an estimated $49.9K and bringing the position to 269,149 shares worth $31.4M. The position accounts for ﹤0.01% of the portfolio, ranked #1404.

Northern Trust first reported a position in WLK in Q2 2013 and has held it in 52 quarters since. The position peaked at $42.3M in Q4 2023. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • Northern Trust held 269,149 shares of Westlake Corp worth $31.4M as of Q1 2026.
  • Northern Trust bought 515 Westlake Corp shares in Q1 2026, an estimated $49.9K.
  • Westlake Corp made up ﹤0.01% of Northern Trust's portfolio in Q1 2026, its #1404 holding.
  • Northern Trust first reported a position in Westlake Corp in Q2 2013 and has held it in 52 quarters since.
  • Northern Trust's Westlake Corp position peaked at $42.3M in Q4 2023.
  • 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Northern Trust's 13F filing for Q1 2026, filed 14 May 2026.