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PDT Partners’s Westlake Corp WLK Stock Holding History

PDT Partners’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
Q2 		$5.53M Hold
75,777
– – 0.29% 110
2026
Q1 		$8.85M Buy
75,777
+10,800
+17% +$1.05M 0.52% 50
2025
Q4 		$4.8M Buy
64,977
+45,457
+233% +$3.24M 0.31% 106
2025
Q3 		$1.5M Buy
+19,520
New +$1.63M 0.09% 300
2024
Q3 		– Sell
-1,903
Closed -$276K – 834
2024
Q2 		$276K Sell
1,903
-20
-1% -$3.07K 0.03% 564
2024
Q1 		$294K Buy
+1,923
New +$271K 0.03% 537
2022
Q4 		– Sell
-15,236
Closed -$1.32M – 914
2022
Q3 		$1.32M Sell
15,236
-21,099
-58% -$2.02M 0.2% 149
2022
Q2 		$3.56M Buy
36,335
+26,892
+285% +$3.29M 0.31% 56
2022
Q1 		$1.17M Buy
9,443
+86
+0.9% +$9.38K 0.1% 321
2021
Q4 		$909K Buy
+9,357
New +$912K 0.07% 388
2021
Q3 		– Sell
-9,974
Closed -$899K – 931
2021
Q2 		$899K Buy
+9,974
New +$969K 0.06% 392
2015
Q1 		– Sell
-11,800
Closed -$721K – 1440
2014
Q4 		$721K Sell
11,800
-9,400
-44% -$640K 0.07% 397
2014
Q3 		$1.84M Sell
21,200
-38,804
-65% -$3.51M 0.05% 442
2014
Q2 		$5.03M Buy
60,004
+43,584
+265% +$3.26M 0.13% 184
2014
Q1 		$1.09M Sell
16,420
-10,156
-38% -$645K 0.03% 649
2013
Q4 		$1.62M Sell
26,576
-60,410
-69% -$3.39M 0.2% 138
2013
Q3 		$4.55M Buy
86,986
+51,104
+142% +$2.61M 0.12% 210
2013
Q2 		$1.73M Buy
+35,882
New +$1.61M 0.04% 607

Other funds holding WLK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BIP
Brandes Investment Partners La Jolla, California $14.3B AUM 23.11% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

PDT Partners's WLK Position: Q2 2026 in Review

PDT Partners held its Westlake Corp (WLK) position steady in Q2 2026 at 75,777 shares worth $5.53M. The position accounts for 0.29% of the portfolio, ranked #110.

PDT Partners first reported a position in WLK in Q2 2013 and has held it in 18 quarters since. The position peaked at $8.85M in Q1 2026. 358 funds tracked by Wall St. Rank hold WLK as of Q2 2026.

  • PDT Partners held 75,777 shares of Westlake Corp worth $5.53M as of Q2 2026.
  • PDT Partners left its Westlake Corp share count unchanged in Q2 2026.
  • Westlake Corp made up 0.29% of PDT Partners's portfolio in Q2 2026, its #110 holding.
  • PDT Partners first reported a position in Westlake Corp in Q2 2013 and has held it in 18 quarters since.
  • PDT Partners's Westlake Corp position peaked at $8.85M in Q1 2026.
  • 358 funds tracked by Wall St. Rank held Westlake Corp as of Q2 2026.

Based on PDT Partners's 13F filing for Q2 2026, filed 14 Aug 2026.