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Westlake Corp
WLK

Overview Fund Activity

303 hedge funds and large institutions have $2.99B invested in Westlake Corp in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 124 increasing their positions, 103 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
303
Holders Change
-54
Holders Change %
-15.13%
% of All Funds
4.06%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
46
Increased
124
Reduced
103
Closed
94
Calls
$19.5M
Puts
$58.1M
Net Calls
-$38.6M
Net Calls Change
+$26.8M

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$155M
2
BIP
Brandes Investment Partners
California
+$78.7M
3
AP
Antipodes Partners
Australia
+$62.5M
4
EGM
Engineers Gate Manager
New York
+$26.4M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$25.5M

Top Sellers

1
Capital World Investors
Capital World Investors
California
-$129M
2
Citadel Advisors
Citadel Advisors
Florida
-$63.8M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$33.6M
4
ICP
Ilex Capital Partners
United Kingdom
-$32.3M
5
BlackRock
BlackRock
New York
-$25.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
KOCAA
101
Knights of Columbus Asset Advisors
Connecticut
$1.7M – – –
SDIC
102
South Dakota Investment Council
South Dakota
$1.68M – – –
LPL Financial
103
LPL Financial
California
$1.62M -$695K -9,148 -30%
MNA
104
Manning & Napier Advisors
New York
$1.57M -$417K -5,487 -21%
Envestnet Asset Management
105
Envestnet Asset Management
Illinois
$1.55M -$466K -6,139 -23%
DIA
106
Dana Investment Advisors
Wisconsin
$1.5M -$13.9K -183 -0.9%
RIA
107
Recurrent Investment Advisors
Texas
$1.37M +$456 +6 +0%
American Century Companies
108
American Century Companies
Missouri
$1.37M -$348K -4,588 -20%
APG Asset Management
109
APG Asset Management
Netherlands
$1.36M +$110K +1,700 +9%
MIM
110
MetLife Investment Management
New Jersey
$1.36M -$47.8K -629 -3%
Corient Private Wealth
111
Corient Private Wealth
Florida
$1.36M +$474K +6,242 +53%
MOACM
112
Mutual of America Capital Management
New York
$1.26M -$48.7K -641 -4%
Treasurer of the State of North Carolina
113
Treasurer of the State of North Carolina
North Carolina
$1.19M +$20.2K +266 +2%
Royal London Asset Management
114
Royal London Asset Management
United Kingdom
$1.18M -$35.6K -469 -3%
AB
115
Amalgamated Bank
New York
$1.16M -$25.6K -337 -2%
Canada Life
116
Canada Life
Manitoba, Canada
$1.16M -$824K -10,852 -42%
OQS
117
Occudo Quantitative Strategies
Florida
$1.15M +$862K +11,348 +300%
FA
118
Faithward Advisors
Pennsylvania
$1.08M +$78.3K +1,031 +8%
PCM
119
Polymer Capital Management
New York
$1.07M +$746K +9,825 +232%
Stifel Financial
120
Stifel Financial
Missouri
$938K +$393K +5,179 +72%
Citadel Advisors
121
Citadel Advisors
Florida
$934K -$63.8M -840,550 -99%
GAM
122
Gotham Asset Management
New York
$917K +$505K +6,645 +122%
YCM
123
Yousif Capital Management
Michigan
$901K -$21.1K -278 -2%
GCM
124
Graham Capital Management
Connecticut
$889K -$1.9M -25,050 -68%
AIP
125
Ameritas Investment Partners
Nebraska
$879K -$8.35K -110 -0.9%
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5
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