Idemitsu Kosan Co.,Ltd.(5019.T)
Idemitsu Kosan Co.,Ltd. Summary
Stock Price
Sep.18, 2026
¥1,651
Market cap
¥2,019,532million
P/E ratio
14.66
P/B ratio
1.04
Dividend yield
2.18%
Dividend
¥36
Idemitsu Kosan Co.,Ltd.
Nikkei225 Contribution・Stock Price
| Date |
Nikkei225 Contribution |
Stock Price |
Stock Price Chg |
Nikkei225 |
Nikkei225 Chg |
|---|---|---|---|---|---|
| Sep.18, 2026 | -1.47 | ¥1651 | ¥-22 | ¥65,018.95 | ¥882.70 |
| Sep.17, 2026 | 0.2 | ¥1673 | ¥3 | ¥64,136.25 | ¥213.25 |
| Sep.16, 2026 | 4.63 | ¥1670 | ¥69 | ¥63,923.00 | ¥438.90 |
| Sep.15, 2026 | -2.48 | ¥1601 | ¥-37 | ¥63,484.10 | ¥-8.89 |
| Sep.14, 2026 | -0.67 | ¥1638 | ¥-10 | ¥63,492.99 | ¥-518.35 |
| Sep.11, 2026 | -0.17 | ¥1648 | ¥-2.5 | ¥64,011.34 | ¥-1,259.61 |
| Sep.10, 2026 | -0.64 | ¥1651 | ¥-9.5 | ¥65,270.95 | ¥128.17 |
| Sep.09, 2026 | 7.84 | ¥1660 | ¥117 | ¥65,142.78 | ¥-126.55 |
| Sep.08, 2026 | 2.95 | ¥1543 | ¥44 | ¥65,269.33 | ¥-1,130.51 |
| Sep.07, 2026 | 1.94 | ¥1499 | ¥29 | ¥66,399.84 | ¥1,378.90 |
| Sep.04, 2026 | -1.31 | ¥1470 | ¥-19.5 | ¥65,020.94 | ¥806.46 |
| Sep.03, 2026 | 1.84 | ¥1490 | ¥27.5 | ¥64,214.48 | ¥-111.16 |
| Sep.02, 2026 | -1.37 | ¥1462 | ¥-20.5 | ¥64,325.64 | ¥-1,889.70 |
| Sep.01, 2026 | 4.19 | ¥1483 | ¥62.5 | ¥66,215.34 | ¥-96.59 |
| Aug.31, 2026 | 2.72 | ¥1420 | ¥40.5 | ¥66,311.93 | ¥-93.63 |
| Aug.28, 2026 | 0.64 | ¥1380 | ¥9.5 | ¥66,405.56 | ¥273.58 |
| Aug.27, 2026 | 0.84 | ¥1370 | ¥12.5 | ¥66,131.98 | ¥-130.18 |
| Aug.26, 2026 | -1.41 | ¥1358 | ¥-21 | ¥66,262.16 | ¥405.73 |
| Aug.25, 2026 | 0 | ¥1379 | ¥0 | ¥65,856.43 | ¥328.34 |
| Aug.24, 2026 | -0.34 | ¥1379 | ¥-5 | ¥65,528.09 | ¥-488.27 |
| Aug.21, 2026 | 2.28 | ¥1384 | ¥34 | ¥66,016.36 | ¥-200.43 |
| Aug.20, 2026 | 0.84 | ¥1350 | ¥12.5 | ¥66,216.79 | ¥890.37 |
| Aug.19, 2026 | -2.25 | ¥1337 | ¥-33.5 | ¥65,326.42 | ¥-2,134.31 |
| Aug.18, 2026 | 2.72 | ¥1371 | ¥40.5 | ¥67,460.73 | ¥-1,759.52 |
| Aug.17, 2026 | 1.58 | ¥1330 | ¥23.5 | ¥69,220.25 | ¥506.45 |
| Aug.14, 2026 | 1.58 | ¥1307 | ¥23.5 | ¥68,713.80 | ¥405.21 |
| Aug.13, 2026 | -0.94 | ¥1283 | ¥-14 | ¥68,308.59 | ¥784.53 |
| Aug.12, 2026 | 0.17 | ¥1297 | ¥2.5 | ¥67,524.06 | ¥553.84 |
| Aug.10, 2026 | -1.78 | ¥1295 | ¥-26.5 | ¥66,970.22 | ¥1,363.51 |
| Aug.07, 2026 | 4.19 | ¥1321 | ¥62.5 | ¥65,606.71 | ¥-76.55 |
Idemitsu Kosan Co.,Ltd.
Nikkei225 by Weight
| Company |
Nikkei225 Weight |
Nikkei225 Closing price |
|---|---|---|
| Aug.31, 2026 | 0.1436% | ¥66,311.93 |
| Jul.31, 2026 | 0.1366% | ¥64,362.02 |
| Jun.30, 2026 | 0.1146% | ¥70,062.32 |
| May.29, 2026 | 0.1414% | ¥66,329.50 |
| Apr.30, 2026 | 0.1525% | ¥59,284.92 |
| Mar.31, 2026 | 0.2018% | ¥51,063.72 |
| Feb.27, 2026 | 0.1694% | ¥58,850.27 |
| Jan.30, 2026 | 0.1638% | ¥53,322.85 |
| Dec.30, 2025 | 0.1571% | ¥50,339.48 |
| Nov.28, 2025 | 0.1539% | ¥50,253.91 |
Idemitsu Kosan Co.,Ltd.
Finance Presentation
| Finance Presentation |
|---|
| Aug.07, 2026 |
| May.12, 2026 |
| Feb.10, 2026 |
| Nov.11, 2025 |
| Aug.08, 2025 |
| May.13, 2025 |
| Feb.12, 2025 |
| Nov.12, 2024 |
| Aug.06, 2024 |
| May.14, 2024 |
Nikkei225 average
Contribution ranking
| Company | Contribution |
|---|---|
| Top Contributors | |
| Advantest Corporation | 436.86 |
| Tokyo Electron Limited | 215.21 |
| KIOXIA HOLDINGS CORPORATION | 110.05 |
| Ibiden Co., Ltd. | 72.41 |
| Lasertec Corporation | 41.97 |
| Murata Manufacturing Co., Ltd. | 26.71 |
| SoftBank Group Corp. | 22.57 |
| Kyocera Corporation | 20.92 |
| Fujikura Ltd. | 17.1 |
| Shin-Etsu Chemical Co., Ltd. | 13.74 |
| SCREEN Holdings Co., Ltd. | 13.01 |
| TDK Corporation | 12.94 |
| Taiyo Yuden Co., Ltd. | 12.57 |
| Disco Corporation | 12.27 |
| Fanuc Corporation | 9.72 |
| Lowest Contribution | |
| KDDI Corporation | -16.26 |
| Terumo Corporation | -14.35 |
| ITOCHU Corporation | -10.64 |
| Sony Group Corporation | -9.55 |
| Recruit Holdings Co., Ltd. | -9.55 |
| Nitori Holdings Co., Ltd. | -7.37 |
| Toyota Tsusho Corporation | -7.24 |
| Konami Group Corporation | -7.21 |
| BANDAI NAMCO Holdings Inc. | -6.54 |
| Sumitomo Corporation | -6.5 |
| Tokio Marine Holdings, Inc. | -4.93 |
| Kikkoman Corporation | -4.86 |
| SECOM CO., LTD. | -4.69 |
| Nintendo Co., Ltd. | -4.56 |
| Sumitomo Realty & Development Co., Ltd. | -4.49 |
Aggregation date:Sep.18, 2026
Nikkei225 by Weight
| Company | Weight |
|---|---|
| Advantest Corporation | 12.2623% |
| Fast Retailing Co., Ltd. | 8.79% |
| Tokyo Electron Limited | 8.5595% |
| SoftBank Group Corp. | 6.3089% |
| Recruit Holdings Co., Ltd. | 2.7624% |
| TDK Corporation | 2.334% |
| Ibiden Co., Ltd. | 2.0681% |
| KDDI Corporation | 1.7953% |
| KIOXIA HOLDINGS CORPORATION | 1.769% |
| Fujikura Ltd. | 1.6694% |
Aggregation date:Aug.31, 2026