BOTPPF
WLK icon

Board of the Pension Protection Fund’s Westlake Corp WLK Stock Holding History

Board of the Pension Protection Fund’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
2025
Q4 		– Sell
-9,500
Closed -$732K – 277
2025
Q3 		$732K Buy
+9,500
New +$792K 0.72% 67

Other funds holding WLK

OAG
Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

Board of the Pension Protection Fund's WLK Position: Q4 2025 in Review

Board of the Pension Protection Fund sold out of Westlake Corp (WLK) in Q4 2025, closing a stake of 9,500 shares — an estimated $732K sold.

Board of the Pension Protection Fund first reported a position in WLK in Q3 2025 and held it in 1 quarter. The position peaked at $732K in Q3 2025. 297 funds tracked by Wall St. Rank hold WLK as of Q4 2025.

  • Board of the Pension Protection Fund reported no remaining Westlake Corp position as of Q4 2025 after selling out during the quarter.
  • Board of the Pension Protection Fund sold 9,500 Westlake Corp shares in Q4 2025, an estimated $732K.
  • Board of the Pension Protection Fund first reported a position in Westlake Corp in Q3 2025 and held it in 1 quarter.
  • Board of the Pension Protection Fund's Westlake Corp position peaked at $732K in Q3 2025.
  • 297 funds tracked by Wall St. Rank held Westlake Corp as of Q4 2025.

Based on Board of the Pension Protection Fund's 13F filing for Q4 2025, filed 6 Jan 2026.