Diamond Hill Capital Management
WLK icon

Diamond Hill Capital Management’s Westlake Corp WLK Stock Holding History

Diamond Hill Capital Management’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 		– Sell
-190,180
Closed -$14.1M – 203
2025
Q4 		$14.1M Buy
+190,180
New +$13.5M 0.07% 119

Other funds holding WLK

OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.3B AUM 23.11% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Diamond Hill Capital Management's WLK Position: Q1 2026 in Review

Diamond Hill Capital Management sold out of Westlake Corp (WLK) in Q1 2026, closing a stake of 190,180 shares — an estimated $14.1M sold.

Diamond Hill Capital Management first reported a position in WLK in Q4 2025 and held it in 1 quarter. The position peaked at $14.1M in Q4 2025. 339 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • Diamond Hill Capital Management reported no remaining Westlake Corp position as of Q1 2026 after selling out during the quarter.
  • Diamond Hill Capital Management sold 190,180 Westlake Corp shares in Q1 2026, an estimated $14.1M.
  • Diamond Hill Capital Management first reported a position in Westlake Corp in Q4 2025 and held it in 1 quarter.
  • Diamond Hill Capital Management's Westlake Corp position peaked at $14.1M in Q4 2025.
  • 339 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on Diamond Hill Capital Management's 13F filing for Q1 2026, filed 7 May 2026.