Market Cap
$8.0B
WLK
WESTLAKE CORP
$63.50 ▲ +1.65%
Prev close $62.47Market cap$8.0B
ConsensusHold
12-mo target$87.38 (+37.6%)
▲ Neutral
Analyst conviction 5/10
Insider Selling Cluster (2 insiders)High Impact Filing (7/10)34 New Institutional Positions16 Institutional Exits Biotech & Drug Discovery
Snapshot
The big-picture read on WLK right now — valuation, ownership and activity at a glance.
Cap Size
Mid Cap
Analyst Consensus
Hold (45%)
Inst. Holders
50 funds
Inst. Value
$2.4B
Inst. Activity
34 buys / 16 sells
Insider Activity
$0.00 buy / $7.2M sell
Insider Net $
-$7.2M
SEC Reports
14
Press Releases
1
Price chart 30d -14.9%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
No data for this timeframe.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 29, 2026 other
Aug 31, 2026 SEC Westlake to Optimize European Chlorovinyls Footprint with Closure of Cologne PVC Plant
Westlake announced that, in light of challenging market conditions, it is taking action to improve p
Westlake Corp appointed Tommy E. Darby as Vice President, Chief Accounting Officer, effective August 31, 2026. The incum
8-K — Impact 2/10
Aug 31, 2026 Insider
Aug 14, 2026 Press Darby Tommy was granted 1,791 shares
VP and CAO
Westlake Corporation declared a regular quarterly dividend of $0.533 per share, payable September 10, 2026. This is a ro
Impact 2/10
Aug 14, 2026 Insider
MCCOLLUM MARK A was granted 2,184 shares
Director
Aug 14, 2026 Insider
Aug 4, 2026 SEC CREGG ROGER A was granted 2,184 shares
Director
Westlake Corp reported Q2 2026 results with a significant turnaround: net income of $260M ($2.01 EPS) vs a net loss of $
8-K — Impact 6/10
Westlake Corporation (WLK) reported a massive Q1 2026 earnings miss, with EPS of -$0.77 versus consensus of $1.90, a -14
PRESS-RELEASE — Impact 7/10
Analyst ratings buy % -18.2%
How Wall Street rates the stock today, and the latest firm-by-firm actions.
45% rate it Buy or better · 20 analysts
Recent analyst actions
| Date | Firm | Action | Rating | Firm rating |
|---|---|---|---|---|
| Oct 1, 2026 | Truist Securities | MAINTAIN | Buy | 55% |
| Oct 1, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | 54% |
| Sep 30, 2026 | Citigroup | MAINTAIN | Neutral | 55% |
| Sep 25, 2026 | UBS | MAINTAIN | Buy | 55% |
| Sep 11, 2026 | Keybanc | INITIATE | Overweight | 52% |
| Sep 9, 2026 | BMO Capital | DOWNGRADE | Market Perform | 53% |
| Aug 6, 2026 | RBC Capital | MAINTAIN | Outperform | 55% |
| Aug 5, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | 54% |
| Jul 20, 2026 | Truist Securities | MAINTAIN | Buy | 55% |
| Jul 2, 2026 | Morgan Stanley | MAINTAIN | Equal-Weight | 55% |
Monthly consensus history
| Period | Str. Buy | Buy | Hold | Sell | Str. Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | 2 | 7 | 10 | 1 | 0 | 45% | |
| Aug 1, 2026 | 2 | 8 | 10 | 1 | 0 | 48% | |
| Jul 1, 2026 | 2 | 8 | 10 | 1 | 0 | 48% | |
| Jun 1, 2026 | 2 | 8 | 10 | 1 | 0 | 48% | |
| May 1, 2026 | 3 | 8 | 9 | 1 | 0 | 52% | |
| Apr 1, 2026 | 4 | 8 | 8 | 1 | 0 | 57% | |
| Mar 1, 2026 | 4 | 7 | 10 | 1 | 0 | 50% | |
| Feb 1, 2026 | 4 | 8 | 9 | 1 | 0 | 55% |
Price targets
Where 16 covering analysts think WLK trades over the next 12 months.
$87.38 +37.6% upside Strong Buy
Current$63.50 Low$67.00 Median$88.00 High$114.00 16 analysts
$67.00$114.00
Analyst rating Buy· 2.4/5 as of Oct 2, 2026
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
14 SEC filing reports analyzed · 1 bullish, 4 bearish, 1 mixed, 8 neutral · avg impact 4.5/10.Plus 1 press releases.
NEUTRAL8-K2/10
Westlake Corp appointed Tommy E. Darby as Vice President, Chief Accounting Officer, effective August
Aug 31, 2026
BULLISH8-K6/10
Westlake Corp reported Q2 2026 results with a significant turnaround: net income of $260M ($2.01 EPS
Aug 4, 2026
BEARISHPRESS-RELEASE7/10
Westlake Corporation (WLK) reported a massive Q1 2026 earnings miss, with EPS of -$0.77 versus conse
Jul 21, 2026
NEUTRAL8-K4/10
Westlake completed the previously-announced acquisition of a PVC and VCM production site in Wilhelms
Jun 15, 2026
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Sep 29, 2026
other
Westlake to Optimize European Chlorovinyls Footprint with Closure of Cologne PVC Plant
Westlake announced that, in light of challenging market conditions, it is taking action to improve profitability by closing its Cologne, Germany PVC p
Sep 29, 2026
short_volume
Short Volume: WLK — 65.9% short (0.5M / 0.7M)
Short: 473,708 | Exempt: 0 | TRF Vol: 718,955 | Short Ratio: 65.9% | Off-exchange volume (dark pool + OTC)
Sep 7, 2026
dark_pool
Dark Pool: WLK — 0.8M shares, 29,392 trades
Week starting 2026-09-07. Total ATS volume: 848,724 shares across 29,392 trades.
Aug 31, 2026
dark_pool
Dark Pool: WLK — 0.8M shares, 29,921 trades
Week starting 2026-08-31. Total ATS volume: 764,971 shares across 29,921 trades.
Aug 25, 2026
ftd
FTD: WLK — 57,174 shares ($4.4M) failed to deliver
Settlement: 20260825, Price: $76.49, FTD Value: $4,373,239.26, WESTLAKE CORPORATION
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
| Period | EPS Est. | Range | Growth | 30d Rev | Up/Dn | Revenue | # |
|---|---|---|---|---|---|---|---|
| Current Q | $1.08 | $0.30–$2.05 | 473.0% | -24.6% | 1↑ 11↓ | $3.0B | 14 |
| Next Q | $0.45 | $0.13–$0.77 | 281.7% | -8.9% | 2↑ 10↓ | $2.7B | 14 |
| Current FY | $2.89 | $1.84–$5.16 | 420.7% | -10.5% | 6↑ 7↓ | $11.7B | 15 |
| Next FY | $2.96 | $1.69–$4.59 | 2.7% | -11.8% | 5↑ 9↓ | $12.0B | 15 |
Current-quarter EPS estimate — revision history
| When | EPS estimate | Change vs now |
|---|---|---|
| Current | $1.082 | — |
| 7d ago | $1.400 | -0.318 |
| 30d ago | $1.435 | -0.353 |
| 60d ago | $1.608 | -0.526 |
| 90d ago | $1.915 | -0.833 |
Institutional ownership
Which big funds own WLK (from quarterly 13F filings) and who is adding or trimming.
50 institutional holders with $2.4B total value (32,456,134 shares) as of 2026-Q2. Top holders: BlackRock,, Capital, Orbis. Net buying activity: 34 institutions added/increased vs 16 reduced.
Top holders — 2026-Q2
| Fund | Shares | Value | % Tracked | Last move |
|---|---|---|---|---|
| BlackRock, Inc. | 3,294,162 | $240.5M | 10.1% | — |
| Capital World Investors | 2,842,348 | $207.5M | 8.7% | TRIM -32.5% |
| Orbis Allan Gray Ltd | 2,084,364 | $152.2M | 6.4% | TRIM -60.6% |
| DIMENSIONAL FUND ADVISORS LP | 2,051,554 | $149.8M | 6.3% | ADD +39.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,752,627 | $127.9M | 5.4% | — |
| BRANDES INVESTMENT PARTNERS, LP | 1,572,939 | $114.8M | 4.8% | — |
| AQR CAPITAL MANAGEMENT LLC | 1,570,453 | $114.6M | 4.8% | — |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,464,223 | $106.9M | 4.5% | — |
| STATE STREET CORP | 1,453,407 | $106.1M | 4.5% | — |
| GOLDMAN SACHS GROUP INC | 1,280,873 | $93.5M | 3.9% | — |
Recent position changes
| Fund | Action | Prev | Current | Change | Value |
|---|---|---|---|---|---|
| Capital World Investors | TRIM | 4,211,006 | 2,842,348 | -32.5% | $207.5M |
| Orbis Allan Gray Ltd | TRIM | 5,293,519 | 2,084,364 | -60.6% | $152.2M |
| DIMENSIONAL FUND ADVISORS LP | ADD | 1,466,020 | 2,051,554 | +39.9% | $149.8M |
| CITADEL ADVISORS LLC | ADD | 715,586 | 1,054,868 | +47.4% | $77.0M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | DOUBLED | 349,035 | 709,355 | +103.2% | $51.8M |
| BALYASNY ASSET MANAGEMENT L.P. | ADD | 369,672 | 625,859 | +69.3% | $45.7M |
| Woodline Partners LP | ADD | 337,075 | 451,986 | +34.1% | $33.0M |
| UBS Group AG | TRIM | 811,266 | 431,633 | -46.8% | $31.5M |
| MILLENNIUM MANAGEMENT LLC | DOUBLED | 84,997 | 366,074 | +330.7% | $26.7M |
| FMR LLC | TRIM | 1,312,473 | 361,243 | -72.5% | $26.4M |
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
22 insiders, 50 transactions. Net -$7.2M — $0.00 bought, $7.2M sold.
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Darby Tommy | VP and CAO | AWARD | 1,791 | — | — |
| Aug 14, 2026 | MCCOLLUM MARK A | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | CREGG ROGER A | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | Lubel Kimberly S | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | Sabat Carolyn Chao | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | Chao David Tsung-Hung | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | Graff Michael J | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | NORTHCUTT R BRUCE | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | Patel Bhavesh V. | Director | AWARD | 2,184 | — | — |
| Aug 14, 2026 | Sheets Jeffrey Wayne | Director | AWARD | 2,184 | — | — |
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for WLK.
Shares short
5,309,547
Settlement Sep 15, 2026
Change vs prior
-6.5%
Semi-monthly cycle
Days to cover
7.4
At avg daily volume
Of shares outstanding
≈4.2%
Estimate — not % of float
All WLK filing & press-release reports (15)
- 8-K reportAug 31, 2026
- PRESS-RELEASE reportAug 14, 2026
- 8-K reportAug 4, 2026
- PRESS-RELEASE reportJul 21, 2026
- 8-K reportJun 15, 2026
- INST-CLUSTER reportJun 14, 2026
- 8-K reportMay 5, 2026
- 8-K reportApr 20, 2026
- 8-K reportApr 14, 2026
- CLUSTER reportApr 6, 2026
- 8-K reportApr 6, 2026
- 8-K reportApr 2, 2026
- DEFA14A reportApr 2, 2026
- 144 reportMar 30, 2026
- 144 reportMar 27, 2026