Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Westlake Corp WLK Stock Holding History

Healthcare of Ontario Pension Plan (HOOPP) Trust 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 Q3	–	Sell	-8,800	Closed	-$668K	–	1301
2025 Q2	$668K	Sell	8,800 -22,100	-72%	-$1.81M	﹤0.01%	886
2025 Q1	$3.09M	Buy	30,900 +10,600	+52%	+$1.17M	0.01%	574
2024 Q4	$2.33M	Buy	+20,300	New	+$2.64M	﹤0.01%	654
2022 Q4	–	Sell	-31,797	Closed	-$2.76M	–	1661
2022 Q3	$2.76M	Sell	31,797 -44,125	-58%	-$4.23M	0.01%	581
2022 Q2	$7.44M	Buy	75,922 +66,609	+715%	+$8.16M	0.03%	308
2022 Q1	$1.15M	Buy	9,313 +6,549	+237%	+$714K	﹤0.01%	1091
2021 Q4	$268K	Buy	+2,764	New	+$269K	﹤0.01%	1310

Other funds holding WLK

OAG

Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's WLK Position: Q3 2025 in Review

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund sold out of Westlake Corp (WLK) in Q3 2025, closing a stake of 8,800 shares — an estimated $668K sold.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in WLK in Q4 2021 and held it in 7 quarters. The position peaked at $7.44M in Q2 2022. 305 funds tracked by Wall St. Rank hold WLK as of Q3 2025.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund reported no remaining Westlake Corp position as of Q3 2025 after selling out during the quarter.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund sold 8,800 Westlake Corp shares in Q3 2025, an estimated $668K.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in Westlake Corp in Q4 2021 and held it in 7 quarters.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's Westlake Corp position peaked at $7.44M in Q2 2022.
305 funds tracked by Wall St. Rank held Westlake Corp as of Q3 2025.

Based on Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's 13F filing for Q3 2025, filed 13 Nov 2025.