Skip to main content

Polymer Capital Management (US) LLC

Position in WLK — Westlake Corp

CIK 1973324 NEW YORK, NY

Position in WLK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,032,439
-$430,147 QoQ
Shares Held
14,143
+13.0% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#135
of 356 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WLK Over Time

Shares Held

Position Value (USD)

Derivatives in WLK

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$1,168,200
PutShares
10,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

Polymer Capital Management (US) LLC holds $8,107,100 across 7 Specialty Chemicals names. WLK ranks #2 (12.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WLK
Westlake Corp
This page
14,143 $1,032,439

All Filings in WLK

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,032,439 14,143
2026-03-31 $1,168,200 10,000
2026-03-31 $1,462,586 12,520
2025-12-31 $480,610 6,500
2025-09-30 $1,248,372 16,200
2025-06-30 $569,475 7,500
2025-06-30 $1,067,575 14,060
2025-06-30 $759,300 10,000
2025-03-31 $423,627 4,235
2024-12-31 $1,009,034 8,801