Janus Henderson Group
WLK icon

Janus Henderson Group’s Westlake Corp WLK Stock Holding History

Janus Henderson Group’s Portfolio WLK Stock Details WLK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$31.5M Sell
269,783
-64,810
-19% -$6.28M 0.02% 504
2025
Q4 		$24.7M Sell
334,593
-31,391
-9% -$2.23M 0.01% 563
2025
Q3 		$28.2M Buy
365,984
+151,703
+71% +$12.6M 0.01% 530
2025
Q2 		$16.3M Sell
214,281
-180,240
-46% -$14.7M 0.01% 611
2025
Q1 		$39.1M Buy
394,521
+22,325
+6% +$2.47M 0.02% 429
2024
Q4 		$42.7M Buy
372,196
+170,791
+85% +$22.2M 0.02% 411
2024
Q3 		$30.3M Buy
201,405
+91,973
+84% +$13.2M 0.02% 494
2024
Q2 		$15.8M Buy
109,432
+228
+0.2% +$35K 0.01% 616
2024
Q1 		$16.7M Sell
109,204
-63,235
-37% -$8.9M 0.01% 592
2023
Q4 		$24.1M Sell
172,439
-33,175
-16% -$4.21M 0.01% 513
2023
Q3 		$25.6M Buy
205,614
+59,040
+40% +$7.58M 0.02% 487
2023
Q2 		$17.5M Sell
146,574
-49,055
-25% -$5.61M 0.01% 579
2023
Q1 		$22.7M Sell
195,629
-31,946
-14% -$3.69M 0.02% 546
2022
Q4 		$23.3M Sell
227,575
-371,671
-62% -$37.4M 0.02% 541
2022
Q3 		$52.1M Buy
599,246
+316,135
+112% +$30.3M 0.02% 507
2022
Q2 		$27.8M Sell
283,111
-52,828
-16% -$6.47M 0.02% 511
2022
Q1 		$41.5M Sell
335,939
-120,912
-26% -$13.2M 0.02% 551
2021
Q4 		$44.4M Sell
456,851
-113,736
-20% -$11.1M 0.02% 585
2021
Q3 		$52M Buy
570,587
+286,004
+100% +$24.5M 0.02% 543
2021
Q2 		$25.6M Sell
284,583
-3,691
-1% -$358K 0.01% 738
2021
Q1 		$25.6M Buy
288,274
+6,081
+2% +$528K 0.01% 717
2020
Q4 		$23M Sell
282,193
-185,113
-40% -$13.8M 0.01% 723
2020
Q3 		$29.5M Sell
467,306
-154,230
-25% -$9.11M 0.02% 626
2020
Q2 		$33.3M Sell
621,536
-82,257
-12% -$3.79M 0.02% 583
2020
Q1 		$26.9M Sell
703,793
-35,176
-5% -$1.98M 0.02% 607
2019
Q4 		$51.8M Buy
738,969
+2,532
+0.3% +$170K 0.03% 577
2019
Q3 		$48.3M Buy
736,437
+74,556
+11% +$4.8M 0.03% 585
2019
Q2 		$46M Buy
661,881
+629,057
+1,916% +$41.9M 0.02% 595
2019
Q1 		$2.23M Buy
32,824
+2,443
+8% +$177K ﹤0.01% 1111
2018
Q4 		$2.01M Sell
30,381
-294,881
-91% -$21.3M ﹤0.01% 1102
2018
Q3 		$27M Sell
325,262
-108,779
-25% -$10.6M 0.01% 740
2018
Q2 		$46.7M Sell
434,041
-77,081
-15% -$8.64M 0.03% 574
2018
Q1 		$56.8M Buy
511,122
+41,403
+9% +$4.61M 0.03% 522
2017
Q4 		$50M Sell
469,719
-383,819
-45% -$35.6M 0.03% 545
2017
Q3 		$70.9M Sell
853,538
-512,451
-38% -$37.6M 0.05% 439
2017
Q2 		$90.4M Buy
+1,365,989
New +$86.7M 0.06% 376
2015
Q2 		– Sell
-8,010
Closed -$576K – 881
2015
Q1 		$576K Hold
8,010
– – ﹤0.01% 765
2014
Q4 		$489K Hold
8,010
– – ﹤0.01% 780
2014
Q3 		$694K Hold
8,010
– – 0.01% 670
2014
Q2 		$671K Buy
+8,010
New +$600K 0.01% 669

Other funds holding WLK

OAG
Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Janus Henderson Group's WLK Position: Q1 2026 in Review

Janus Henderson Group reduced its Westlake Corp (WLK) stake by 19% in Q1 2026, selling an estimated $6.28M and leaving 269,783 shares worth $31.5M. The position accounts for 0.02% of the portfolio, ranked #504.

Janus Henderson Group first reported a position in WLK in Q2 2014 and has held it in 40 quarters since. The position peaked at $90.4M in Q2 2017. 336 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • Janus Henderson Group held 269,783 shares of Westlake Corp worth $31.5M as of Q1 2026.
  • Janus Henderson Group sold 64,810 Westlake Corp shares in Q1 2026, an estimated $6.28M.
  • Westlake Corp made up 0.02% of Janus Henderson Group's portfolio in Q1 2026, its #504 holding.
  • Janus Henderson Group first reported a position in Westlake Corp in Q2 2014 and has held it in 40 quarters since.
  • Janus Henderson Group's Westlake Corp position peaked at $90.4M in Q2 2017.
  • 336 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.