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OMERS Administration Corp’s Westlake Corp WLK Stock Holding History

OMERS Administration Corp’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
Q3 		– Sell
-11,380
Closed -$864K – 1220
2025
Q2 		$864K Buy
+11,380
New +$931K 0.01% 544
2024
Q4 		– Sell
-1,337
Closed -$201K – 1066
2024
Q3 		$201K Buy
+1,337
New +$192K ﹤0.01% 808
2016
Q4 		– Sell
-28,800
Closed -$1.54M – 550
2016
Q3 		$1.54M Sell
28,800
-20,200
-41% -$974K 0.03% 288
2016
Q2 		$2.1M Sell
49,000
-17,100
-26% -$781K 0.04% 228
2016
Q1 		$3.06M Buy
66,100
+43,800
+196% +$1.99M 0.07% 167
2015
Q4 		$1.21M Buy
+22,300
New +$1.29M 0.03% 258

Other funds holding WLK

OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

OMERS Administration Corp's WLK Position: Q3 2025 in Review

OMERS Administration Corp sold out of Westlake Corp (WLK) in Q3 2025, closing a stake of 11,380 shares — an estimated $864K sold.

OMERS Administration Corp first reported a position in WLK in Q4 2015 and held it in 6 quarters. The position peaked at $3.06M in Q1 2016. 305 funds tracked by Wall St. Rank hold WLK as of Q3 2025.

  • OMERS Administration Corp reported no remaining Westlake Corp position as of Q3 2025 after selling out during the quarter.
  • OMERS Administration Corp sold 11,380 Westlake Corp shares in Q3 2025, an estimated $864K.
  • OMERS Administration Corp first reported a position in Westlake Corp in Q4 2015 and held it in 6 quarters.
  • OMERS Administration Corp's Westlake Corp position peaked at $3.06M in Q1 2016.
  • 305 funds tracked by Wall St. Rank held Westlake Corp as of Q3 2025.

Based on OMERS Administration Corp's 13F filing for Q3 2025, filed 14 Nov 2025.