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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 %
WP
26
Woodline Partners
California
$24.9M +$24.9M +327,290 New
New York State Common Retirement Fund
27
New York State Common Retirement Fund
New York
$23.3M +$22.2M +292,451 +2,093%
Arrowstreet Capital
28
Arrowstreet Capital
Massachusetts
$22M +$22M +290,038 New
ICP
29
Ilex Capital Partners
United Kingdom
$20.8M -$32.3M -425,443 -61%
Charles Schwab
30
Charles Schwab
California
$19.5M +$938K +12,348 +5%
DRZID
31
DePrince Race & Zollo Inc (DRZ)
Florida
$19.2M +$1.74M +22,882 +10%
Schroder Investment Management Group
32
Schroder Investment Management Group
United Kingdom
$18.9M -$42.9K -565 -0.2%
Alyeska Investment Group
33
Alyeska Investment Group
Illinois
$18.1M +$3.44M +45,252 +23%
Northern Trust
34
Northern Trust
Illinois
$17.7M -$6.2M -81,656 -26%
Bank of Montreal
35
Bank of Montreal
Ontario, Canada
$17.5M +$1.58M +20,798 +10%
Royal Bank of Canada
36
Royal Bank of Canada
Ontario, Canada
$16.6M +$13.7M +179,805 +465%
Janus Henderson Group
37
Janus Henderson Group
United Kingdom
$16.3M -$13.7M -180,240 -46%
BNP Paribas Financial Markets
38
BNP Paribas Financial Markets
France
$14.1M +$12.1M +159,041 +603%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$14M -$2.69M -35,367 -16%
VLKIM
40
Van Lanschot Kempen Investment Management
Netherlands
$13.9M +$13.9M +182,899 New
RR
41
Robotti Robert
$13.8M +$1.37M +18,144 +11%
EAM
42
Erste Asset Management
Austria
$13M +$1.39M +18,300 +12%
JPMorgan Chase & Co
43
JPMorgan Chase & Co
New York
$12.7M +$2.93M +38,560 +30%
Two Sigma Advisers
44
Two Sigma Advisers
New York
$12M -$577K -7,600 -5%
Holocene Advisors
45
Holocene Advisors
New York
$12M +$4.49M +59,082 +60%
Renaissance Technologies
46
Renaissance Technologies
New York
$10.9M -$10.3M -135,900 -49%
1832 Asset Management
47
1832 Asset Management
Ontario, Canada
$10.5M -$1.13M -14,820 -10%
Bank of America
48
Bank of America
North Carolina
$10.5M -$6.29M -82,789 -37%
Qube Research & Technologies (QRT)
49
Qube Research & Technologies (QRT)
United Kingdom
$10.2M +$1.43M +18,771 +16%
WCM
50
Wedge Capital Management
North Carolina
$10.1M +$2.87M +37,763 +40%
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