Westlake Corporation — Institutional Ownership
Which tracked institutions hold WLK, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.
23
Funds holding
$911765895
Total value held
Buying
16 added/new · 7 reduced
| # | Institution | Value | Shares | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | $359698953 | 3079087 | -182346 | -5.59% |
| 2 | Goldman Sachs Group Inc | $162768410 | 1393327 | +639374 | +84.80% |
| 3 | State Street Corp | $161269192 | 1380493 | -16140 | -1.16% |
| 4 | Morgan Stanley | $56834106 | 486508 | -273115 | -35.95% |
| 5 | Janus Henderson Group Plc | $31517599 | 269783 | — | NEW BUY |
| 6 | Northern Trust Corp | $31441986 | 269149 | +515 | +0.19% |
| 7 | Bank Of America Corp /De/ | $27684705 | 236986 | +52551 | +28.49% |
| 8 | Bank Of New York Mellon Corp | $21152645 | 181070 | +6752 | +3.87% |
| 9 | Invesco Ltd. | $15760828 | 213157 | +78458 | +58.25% |
| 10 | Royal Bank Of Canada | $12144000 | 103951 | — | NEW BUY |
| 11 | Principal Financial Group Inc | $8700872 | 74481 | +2762 | +3.85% |
| 12 | Wells Fargo & Company/Mn | $6793531 | 91879 | -5250 | -5.41% |
| 13 | Bank Of Montreal /Can/ | $4560420 | 39038 | — | NEW BUY |
| 14 | Ameriprise Financial Inc | $3327820 | 28487 | -20630 | -42.00% |
| 15 | Citigroup Inc | $2021297 | 27337 | -89814 | -76.67% |
| 16 | Fifth Third Bancorp | $1874339 | 16045 | +15483 | +2754.98% |
| 17 | Barclays Plc | $1688752 | 14456 | — | NEW BUY |
| 18 | Sei Investments Co | $1491674 | 12769 | — | NEW BUY |
| 19 | Raymond James Financial Inc | $342406 | 2931 | -190 | -6.09% |
| 20 | Prudential Financial Inc | $260275 | 2228 | — | NEW BUY |
| 21 | Us Bancorp \De\ | $253500 | 2170 | +160 | +7.96% |
| 22 | Pnc Financial Services Group, Inc. | $177799 | 1522 | +187 | +14.01% |
| 23 | Amalgamated Financial Corp. | $786 | 6372 | — | NEW BUY |
Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.