WLK
WESTLAKE CORP
+0.32 (+0.45%)70.98USD136K成交股數9.1B市值–本益比(近四季)0.8股價營收比+10.8%營收年增(近四季)2026-10-29下次財報
內部人交易 SEC Form 4 · 董事、高階主管與持股 10% 以上股東 · 交易後兩個營業日內申報
買賣點與股價近一年
● 公開市場買進 · ● 公開市場賣出 · 空心 = 10b5-1 預設計畫(事先排程,不代表當下看法)。近一年,只畫 P / S 兩種代碼。
統計
| 近 90 天 買進筆數 · 金額 · 人數 | 0 · 0.00 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 2 · 3.1M · 1 |
| 其中 10b5-1 計畫賣出 | 0 筆 |
| 近 180 天 買進 · 賣出金額 | 0.00 · 5.4M |
| 近 180 天 淨額 | −5.4M |
公開市場買進(P)是內部人自掏腰包,通常比賣出更有資訊含量 —— 賣出的理由很多(繳稅、分散、買房),買進的理由只有一個。
10b5-1 是事先排定的交易計畫,執行時點不反映當下看法。獲配股票(A)、繳稅扣股(F)、選擇權執行(M)是薪酬流程,不是意見。
| 交易日 | 申報日 | 申報人 | 職稱 | 代碼 | 股數 | 價格 | 金額 | 交易後持股 | 原件 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-11 | 08-11 | Chao Albert | Executive Chairman | S 公開市場賣出 | 31.4K | 80.42 | 2.5M | 643K | SEC |
| 2026-08-11 | 08-11 | Chao Albert | Executive Chairman | S 公開市場賣出 | 7.5K | 79.70 | 597K | 674K | SEC |
| 2026-08-11 | 08-11 | Chao Albert | Executive Chairman | M 選擇權執行 | 38.9K | 61.87 | 2.4M | 682K | SEC |
| 2026-08-08 | 08-10 | Chao Catherine T. | Director | M 選擇權執行 | 2.2K | – | – | 7.7K | SEC |
| 2026-08-08 | 08-10 | MCCOLLUM MARK A | Director | M 選擇權執行 | 2.2K | – | – | 11.8K | SEC |
| 2026-08-08 | 08-10 | Sabat Carolyn Chao | Director | M 選擇權執行 | 2.2K | – | – | 5.7K | SEC |
| 2026-08-08 | 08-10 | CREGG ROGER A | Director | M 選擇權執行 | 2.2K | – | – | 3.5K | SEC |
| 2026-08-08 | 08-10 | Lubel Kimberly S | Director | M 選擇權執行 | 2.2K | – | – | 13.8K | SEC |
| 2026-08-08 | 08-10 | Graff Michael J | Director | M 選擇權執行 | 2.2K | – | – | 23.3K | SEC |
| 2026-08-08 | 08-10 | Sheets Jeffrey Wayne | Director | M 選擇權執行 | 2.2K | – | – | 14.9K | SEC |
| 2026-08-08 | 08-10 | Chao David Tsung-Hung | Director | M 選擇權執行 | 2.2K | – | – | 11.1K | SEC |
| 2026-08-08 | 08-10 | NORTHCUTT R BRUCE | Director | M 選擇權執行 | 2.2K | – | – | 23.4K | SEC |
| 2026-05-13 | 05-14 | Bender Mark Steven | EVP & CFO | F 繳稅扣股 | 5.3K | 97.34 | 514K | 35.9K | SEC |
| 2026-05-12 | 05-14 | Bender Mark Steven | EVP & CFO | M 選擇權執行 | 13.2K | – | – | 41.2K | SEC |
| 2026-03-27 | 03-31 | Buesinger Robert F. | EVP, PEM Segment Head | S 公開市場賣出 | 4.0K | 115.25 | 461K | 34.5K | SEC |
| 2026-03-27 | 03-30 | Bender Mark Steven | EVP & CFO | S 公開市場賣出 | 16.4K | 112.54 | 1.8M | 28.0K | SEC |
| 2026-02-27 | 03-02 | Bender Mark Steven | EVP & CFO | S 公開市場賣出 | 17.0K | 100.91 | 1.7M | 44.9K | SEC |
| 2026-02-27 | 03-02 | Bender Mark Steven | EVP & CFO | S 公開市場賣出 | 421 | 101.52 | 43K | 44.4K | SEC |
| 2026-02-27 | 03-02 | Bender Mark Steven | EVP & CFO | D 處分 | 12.7K | 98.20 | 1.2M | 61.8K | SEC |
| 2026-02-27 | 03-02 | Bender Mark Steven | EVP & CFO | M 選擇權執行 | 6.2K | 65.81 | 408K | 68.0K | SEC |
| 2026-02-27 | 03-02 | Bender Mark Steven | EVP & CFO | M 選擇權執行 | 6.5K | 86.54 | 562K | 74.5K | SEC |
| 2026-02-20 | 02-23 | Bender Mark Steven | EVP & CFO | F 繳稅扣股 | 445 | 94.10 | 42K | 61.8K | SEC |
| 2026-02-20 | 02-23 | Chao John Tsung-chen | Director | F 繳稅扣股 | 91 | 94.10 | 9K | 7.9K | SEC |
| 2026-02-20 | 02-23 | Chao James | Senior Chairman | F 繳稅扣股 | 1.6K | 94.10 | 148K | 49.8K | SEC |
| 2026-02-20 | 02-23 | Szwejbka Scott Thomas | SVP, HIP Segment Head | F 繳稅扣股 | 91 | 94.10 | 9K | 13.8K | SEC |
| 2026-02-20 | 02-23 | Chao Albert | Executive Chairman | F 繳稅扣股 | 2.5K | 94.10 | 235K | 643K | SEC |
| 2026-02-20 | 02-23 | Holy Jeffrey Adam | VP and CAO | F 繳稅扣股 | 81 | 94.10 | 8K | 5.1K | SEC |
| 2026-02-20 | 02-23 | Buesinger Robert F. | EVP, PEM Segment Head | F 繳稅扣股 | 326 | 94.10 | 31K | 38.5K | SEC |
| 2026-02-20 | 02-23 | Ederington L. Benjamin | EVP, Legal & External Affairs | F 繳稅扣股 | 357 | 94.10 | 34K | 80.2K | SEC |
| 2026-02-19 | 02-23 | Buesinger Robert F. | EVP, PEM Segment Head | A 獲配股票 | 1.3K | – | – | 38.8K | SEC |
| 2026-02-19 | 02-23 | Bender Mark Steven | EVP & CFO | A 獲配股票 | 1.8K | – | – | 62.3K | SEC |
| 2026-02-19 | 02-23 | Chao John Tsung-chen | Director | A 獲配股票 | 213 | – | – | 8.0K | SEC |
| 2026-02-19 | 02-23 | Chao Albert | Executive Chairman | A 獲配股票 | 6.2K | – | – | 645K | SEC |
| 2026-02-19 | 02-23 | Szwejbka Scott Thomas | SVP, HIP Segment Head | A 獲配股票 | 365 | – | – | 13.9K | SEC |
| 2026-02-19 | 02-23 | Ederington L. Benjamin | EVP, Legal & External Affairs | A 獲配股票 | 1.4K | – | – | 80.5K | SEC |
| 2026-02-19 | 02-23 | Chao James | Senior Chairman | A 獲配股票 | 3.9K | – | – | 51.3K | SEC |
| 2026-02-19 | 02-23 | Holy Jeffrey Adam | VP and CAO | A 獲配股票 | 264 | – | – | 5.2K | SEC |
| 2026-02-18 | 02-19 | Szwejbka Scott Thomas | SVP, HIP Segment Head | F 繳稅扣股 | 295 | 98.95 | 29K | 13.5K | SEC |
| 2026-02-18 | 02-19 | Holy Jeffrey Adam | VP and CAO | F 繳稅扣股 | 213 | 98.95 | 21K | 4.9K | SEC |
| 2026-02-18 | 02-19 | Ederington L. Benjamin | EVP, Legal & External Affairs | F 繳稅扣股 | 978 | 98.95 | 97K | 79.1K | SEC |
| 2026-02-18 | 02-19 | Chao James | Senior Chairman | F 繳稅扣股 | 2.7K | 98.95 | 264K | 47.5K | SEC |
| 2026-02-18 | 02-19 | Chao John Tsung-chen | Director | F 繳稅扣股 | 242 | 98.95 | 24K | 7.8K | SEC |
| 2026-02-18 | 02-19 | Chao Albert | Executive Chairman | F 繳稅扣股 | 5.1K | 98.95 | 504K | 639K | SEC |
| 2026-02-18 | 02-19 | Buesinger Robert F. | EVP, PEM Segment Head | F 繳稅扣股 | 903 | 98.95 | 89K | 37.5K | SEC |
| 2026-02-18 | 02-19 | Bender Mark Steven | EVP & CFO | F 繳稅扣股 | 1.2K | 98.95 | 120K | 60.5K | SEC |
| 2026-02-17 | 02-19 | Szwejbka Scott Thomas | SVP, HIP Segment Head | M 選擇權執行 | 977 | – | – | 13.8K | SEC |
| 2026-02-17 | 02-19 | Holy Jeffrey Adam | VP and CAO | M 選擇權執行 | 706 | – | – | 5.2K | SEC |
| 2026-02-17 | 02-19 | Ederington L. Benjamin | EVP, Legal & External Affairs | M 選擇權執行 | 3.8K | – | – | 80.1K | SEC |
| 2026-02-17 | 02-19 | Chao James | Senior Chairman | M 選擇權執行 | 10.4K | – | – | 50.1K | SEC |
| 2026-02-17 | 02-19 | Chao John Tsung-chen | Director | M 選擇權執行 | 570 | – | – | 7.6K | SEC |
| 2026-02-17 | 02-19 | Chao Albert | Executive Chairman | M 選擇權執行 | 16.6K | – | – | 644K | SEC |
| 2026-02-17 | 02-19 | Buesinger Robert F. | EVP, PEM Segment Head | M 選擇權執行 | 3.5K | – | – | 38.4K | SEC |
| 2026-02-17 | 02-19 | Bender Mark Steven | EVP & CFO | M 選擇權執行 | 4.8K | – | – | 61.7K | SEC |
| 2025-12-22 | 12-23 | Chao Albert | Executive Chairman | M 選擇權執行 | 81.7K | 44.42 | 3.6M | 669K | SEC |
| 2025-12-22 | 12-23 | Chao Albert | Executive Chairman | S 公開市場賣出 | 521 | 74.44 | 39K | 628K | SEC |
| 2025-12-22 | 12-23 | Chao Albert | Executive Chairman | S 公開市場賣出 | 30.6K | 73.80 | 2.3M | 628K | SEC |
| 2025-12-22 | 12-23 | Chao Albert | Executive Chairman | S 公開市場賣出 | 9.7K | 72.82 | 707K | 659K | SEC |
| 2025-12-10 | 12-10 | CREGG ROGER A | Director | M 選擇權執行 | 1.3K | – | – | 1.3K | SEC |
| 2025-10-02 | 10-03 | Szwejbka Scott Thomas | SVP, HIP Segment Head | F 繳稅扣股 | 3.8K | 76.70 | 295K | 12.8K | SEC |
| 2025-10-01 | 10-03 | Szwejbka Scott Thomas | SVP, HIP Segment Head | M 選擇權執行 | 10.8K | – | – | 16.7K | SEC |
| 2025-08-28 | 08-29 | Chao James | Senior Chairman | G 贈與 | 15.1K | – | – | 39.7K | SEC |
| 2025-08-09 | 08-11 | MCCOLLUM MARK A | Director | M 選擇權執行 | 1.1K | – | – | 9.7K | SEC |
| 2025-08-09 | 08-11 | NORTHCUTT R BRUCE | Director | M 選擇權執行 | 1.1K | – | – | 21.2K | SEC |
| 2025-08-09 | 08-11 | Chao David Tsung-Hung | Director | M 選擇權執行 | 1.1K | – | – | 8.9K | SEC |
| 2025-08-09 | 08-11 | Sabat Carolyn Chao | Director | M 選擇權執行 | 1.1K | – | – | 3.6K | SEC |
| 2025-08-09 | 08-11 | Lubel Kimberly S | Director | M 選擇權執行 | 1.1K | – | – | 11.7K | SEC |
| 2025-08-09 | 08-11 | Graff Michael J | Director | M 選擇權執行 | 1.1K | – | – | 21.1K | SEC |
| 2025-08-09 | 08-11 | Sheets Jeffrey Wayne | Director | M 選擇權執行 | 1.1K | – | – | 12.8K | SEC |
| 2025-08-09 | 08-11 | Chao Catherine T. | Director | M 選擇權執行 | 1.1K | – | – | 5.6K | SEC |
| 2025-05-27 | 06-09 | Buesinger Robert F. | EVP, PEM Segment Head | S 公開市場賣出 | 83 | 72.70 | 6K | 0 | SEC |
| 2025-04-22 | 06-09 | Buesinger Robert F. | EVP, PEM Segment Head | P 公開市場買進 | 83 | 93.39 | 8K | 83 | SEC |
| 2025-03-05 | 03-07 | Chao John Tsung-chen | Director | F 繳稅扣股 | 391 | 108.62 | 42K | 7.0K | SEC |
| 2025-03-05 | 03-06 | Chao John Tsung-chen | Director | F 繳稅扣股 | 235 | 108.62 | 26K | 7.4K | SEC |
| 2025-02-21 | 02-24 | Buesinger Robert F. | EVP, HIP, IT & Digital | F 繳稅扣股 | 2.7K | 110.54 | 303K | 34.9K | SEC |
| 2025-02-21 | 02-24 | Bender Mark Steven | EVP & CFO | F 繳稅扣股 | 3.5K | 110.54 | 390K | 57.0K | SEC |
| 2025-02-21 | 02-24 | Chao Albert | Executive Chairman | F 繳稅扣股 | 13.4K | 110.54 | 1.5M | 587K | SEC |
| 2025-02-21 | 02-24 | Chao James | Senior Chairman | F 繳稅扣股 | 6.6K | 110.54 | 724K | 54.9K | SEC |
| 2025-02-21 | 02-24 | Janssens Thomas J. | SVP, Ops - PEM & Corp Logistic | F 繳稅扣股 | 606 | 110.54 | 67K | 17.1K | SEC |
| 2025-02-21 | 02-24 | Ederington L. Benjamin | EVP, PEM, GC and CAO | F 繳稅扣股 | 2.9K | 110.54 | 323K | 76.3K | SEC |
| 2025-02-21 | 02-24 | Holy Jeffrey Adam | VP and CAO | F 繳稅扣股 | 341 | 110.54 | 38K | 4.4K | SEC |
機構持股(13F) 管理規模 1 億美元以上的機構,每季末後 45 天內申報 · 最新 2026-06-30
前 25 大持有機構季末市值 · 與前一季股數比較
| 機構 | 持股 | 季末市值 | 股數季變化 | 動作 |
|---|---|---|---|---|
| BlackRock, Inc. | 3.3M | 240M | 新進 | 新進 |
| Capital World Investors | 2.8M | 207M | 新進 | 新進 |
| Orbis Allan Gray Ltd | 2.1M | 152M | 新進 | 新進 |
| DIMENSIONAL FUND ADVISORS LP | 2.1M | 150M | 新進 | 新進 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | 128M | 新進 | 新進 |
| BRANDES INVESTMENT PARTNERS, LP | 1.6M | 115M | 新進 | 新進 |
| AQR CAPITAL MANAGEMENT LLC | 1.6M | 115M | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.5M | 107M | 新進 | 新進 |
| STATE STREET CORP | 1.5M | 106M | 新進 | 新進 |
| GOLDMAN SACHS GROUP INC | 1.3M | 93.5M | 新進 | 新進 |
| 城堡 CITADEL ADVISORS LLC | 1.1M | 77.0M | 新進 | 新進 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.0M | 74.7M | 新進 | 新進 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 817K | 59.7M | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 719K | 52.5M | 新進 | 新進 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 709K | 51.8M | 新進 | 新進 |
| Balyasny Asset Management L.P. | 626K | 45.7M | 新進 | 新進 |
| Woodline Partners LP | 452K | 33.0M | 新進 | 新進 |
| Nuveen, LLC | 446K | 32.6M | 新進 | 新進 |
| MORGAN STANLEY | 438K | 31.9M | 新進 | 新進 |
| UBS Group AG | 432K | 31.5M | 新進 | 新進 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 376K | 28.1M | 新進 | 新進 |
| 千禧 MILLENNIUM MANAGEMENT LLC | 366K | 26.7M | 新進 | 新進 |
| FMR LLC | 361K | 26.4M | 新進 | 新進 |
| ExodusPoint Capital Management, LP | 327K | 23.9M | 新進 | 新進 |
| Qube Research & Technologies Ltd | 322K | 23.5M | 新進 | 新進 |
持有機構數近 12 季
每季 13F 申報中持有本股的機構家數;綠柱 = 比上季少。機構數是「有多少人在船上」,不是「買了多少」。
| 持有機構 · 季變化 | 358 +19 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 358 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 39.8M · 31.1% |
| 合計季末市值 | 2.7B |
13F 只申報多頭部位(含可轉債與選擇權,選擇權這裡已排除),不申報放空,也不申報 1 億美元以下的機構。同一集團多個申報主體會各算一家。
放空餘額 FINRA 每月兩次(15 日與月底結算)· 最新 2026-08-31
空單佔流通股近 13 個月
FINRA 每月兩次結算的空單餘額佔流通股數的比例,近 13 個月。滑到柱子看股數與回補天數。
最新一期
| 空單股數 | 5.7M |
|---|---|
| 與上期比 | +15.0% |
| 佔流通股數 | 4.44% |
| 日均成交量 | 718K |
| 回補天數 | 7.9 天 |
空單佔比 10% 以上算高、20% 以上算很高(這是通行的說法,不是本站的判斷)。回補天數 = 空單 ÷ 日均量,天數愈長,空方要出場時愈容易推升股價。
放空餘額是「有人借股票賣掉還沒還」的存量,不代表看空的人正在加碼;避險基金做多空配對時也會產生空單。
| 結算日 | 空單股數 | 與上期比 | 佔流通股 | 日均量 | 回補天數 |
|---|---|---|---|---|---|
| 2026-08-31 | 5.7M | +15.0% | 4.44% | 718K | 7.9 |
| 2026-08-14 | 4.9M | +2.1% | 3.86% | 1.3M | 3.7 |
| 2026-07-31 | 4.8M | -8.4% | 3.78% | 998K | 4.8 |
| 2026-07-15 | 5.3M | +8.4% | 4.13% | 1.2M | 4.5 |
| 2026-06-30 | 4.9M | +22.4% | 3.81% | 1.3M | 3.6 |
| 2026-06-15 | 4.0M | +6.3% | 3.11% | 847K | 4.7 |
| 2026-05-29 | 3.7M | +3.9% | 2.93% | 971K | 3.9 |
| 2026-05-15 | 3.6M | +3.4% | 2.82% | 1.4M | 2.5 |
| 2026-04-30 | 3.5M | +1.1% | 2.73% | 982K | 3.6 |
| 2026-04-15 | 3.4M | -22.6% | 2.70% | 1.1M | 3.3 |
| 2026-03-31 | 4.5M | -11.4% | 3.48% | 1.3M | 3.5 |
| 2026-03-13 | 5.0M | +0.2% | 3.94% | 1.4M | 3.5 |
| 2026-02-27 | 5.0M | -9.7% | 3.93% | 1.4M | 3.6 |
| 2026-02-13 | 5.6M | -8.9% | 4.35% | 1.5M | 3.7 |
| 2026-01-30 | 6.1M | -3.2% | 4.77% | 1.3M | 4.6 |
| 2026-01-15 | 6.3M | +1.7% | 4.93% | 1.5M | 4.1 |
| 2025-12-31 | 6.2M | +13.3% | 4.85% | 1.3M | 4.9 |
| 2025-12-15 | 5.5M | -11.8% | 4.28% | 1.9M | 2.8 |
| 2025-11-28 | 6.2M | +23.4% | 4.85% | 1.8M | 3.4 |
| 2025-11-14 | 5.0M | -3.5% | 3.93% | 1.2M | 4.2 |
| 2025-10-31 | 5.2M | +1.2% | 4.07% | 1.3M | 3.9 |
| 2025-10-15 | 5.1M | +15.5% | 4.02% | 1.2M | 4.3 |
| 2025-09-30 | 4.4M | -5.6% | 3.48% | 1.1M | 4.0 |
| 2025-09-15 | 4.7M | +7.1% | 3.69% | 901K | 5.2 |
| 2025-08-29 | 4.4M | -5.2% | 3.44% | 1.2M | 3.8 |
| 2025-08-15 | 4.6M | +6.7% | 3.63% | 1.5M | 3.1 |