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NORTHERN TRUST CORP

Bank

Position in WLK — Westlake Corp

CIK 73124 CHICAGO, IL

Position in WLK

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$31,441,984
+$11,579,187 QoQ
Shares Held
269,149
+0.2% QoQ
Ownership
0.210%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 94.23739267097407.ToString("F0")% Shared 5.762607329025929.ToString("F0")% None 0.ToString("F0")%

Common Shares in WLK Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Mar 31, 2026

NORTHERN TRUST CORP holds $6,894,033,334 across 51 Specialty Chemicals names. WLK ranks #24 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in WLK

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $31,441,984 269,149
2025-12-31 $19,862,797 268,634
2025-09-30 $18,350,988 238,139
2025-06-30 $17,688,801 232,962
2025-03-31 $31,471,234 314,618
2024-12-31 $35,044,260 305,663
2024-09-30 $40,755,941 271,182
2024-06-30 $39,676,623 273,972
2024-03-31 $37,661,225 246,474
2023-12-31 $42,308,086 302,287
2023-09-30 $40,129,775 321,888
2023-06-30 $37,810,699 316,487
2023-03-31 $35,178,355 303,314
2022-12-31 $31,534,842 307,537
2022-09-30 $18,164,347 209,074
2022-06-30 $21,823,170 222,640
2022-03-31 $21,999,257 178,276
2021-12-31 $17,327,892 178,399
2021-09-30 $14,951,788 164,053
2021-06-30 $16,047,459 178,127
2021-03-31 $17,254,292 194,327
2020-12-31 $16,032,359 196,475
2020-09-30 $12,627,181 199,734
2020-06-30 $10,944,598 204,000
2020-03-31 $11,141,744 291,898