Idemitsu Kosan Co.,Ltd. 5019Short Interest
Estimated short interest in Idemitsu Kosan Co.,Ltd. (5019) is 3.45% of shares outstanding as of 2026-09-17. Institutions holding 0.5% or more: J.P. MORGAN SECURITIES PLC.
Estimated short interest
3.4500%
▲0.1200%
Estimated position (shares)
35,601,733
As of 2026-09-17
Short sellers
9 firms
159 reports
Short Interest Trend By institution, % of shares outstanding
Estimated short interest, stacking the latest reported position of each short seller. The 5 largest current holders are shown in color and the rest are grouped as "Others". Hover over (or tap) a bar to see the breakdown.
- J.P. MORGAN SECURITIES PLC
- Daiwa Securities Co. Ltd.
- Jefferies International Limited
- BNP Paribas Financial Markets SNC
- GOLDMAN SACHS INTERNATIONAL
- Others
3.4500%
Estimated short interest, 2026-09-17
Others0.83%
GOLDMAN SACHS INTERNATIONAL0.37%
BNP Paribas Financial Markets SNC0.38%
Jefferies International Limited0.38%
Daiwa Securities Co. Ltd.0.41%
J.P. MORGAN SECURITIES PLC1.08%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-09-17 | J.P. MORGAN SECURITIES PLC | Position 13,255,334 shares | Ratio 1.0800% | ▲0.1200% | Holding |
| 2026-01-07 | Daiwa Securities Co. Ltd. | Position 5,377,472 shares | Ratio 0.4100% | ▼0.1101% | Below 0.5% |
| 2020-10-09 | Jefferies International Limited | Position 1,143,000 shares | Ratio 0.3800% | ▼0.1300% | Below 0.5% |
| 2024-09-30 | BNP Paribas Financial Markets SNC | Position 5,375,051 shares | Ratio 0.3800% | ▼0.2700% | Below 0.5% |
| 2022-12-05 | GOLDMAN SACHS INTERNATIONAL | Position 1,109,196 shares | Ratio 0.3700% | ▼0.3400% | Below 0.5% |
| 2025-06-19 | Nomura International plc | Position 4,738,255 shares | Ratio 0.3600% | ▼0.2700% | Below 0.5% |
| 2024-03-22 | Societe Generale | Position 4,026,365 shares | Ratio 0.2700% | ▼0.4500% | Below 0.5% |
| 2017-09-12 | Morgan Stanley & Co. International plc | Position 415,001 shares | Ratio 0.1900% | ▼0.4300% | Below 0.5% |
| 2025-02-18 | Integrated Core Strategies (Asia) Pte. Ltd. | Position 157,000 shares | Ratio 0.0100% | ▼0.4900% | Below 0.5% |
| 2017-10-02 | Barclays Capital Securities Ltd | Position 5,059 shares | Ratio 0.0000% | ▼0.7800% | Closed |
| 2019-04-01 | SMBC Nikko Securities Inc. | Position 0 shares | Ratio 0.0000% | ▼0.8300% | Closed |
Disclosure History 159 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-17 | J.P. MORGAN SECURITIES PLC | Position 13,255,334 shares | Ratio 1.0800% | ▲0.1200% | — |
| 2026-09-16 | J.P. MORGAN SECURITIES PLC | Position 11,795,634 shares | Ratio 0.9600% | ▼0.1900% | — |
| 2026-09-11 | J.P. MORGAN SECURITIES PLC | Position 14,140,934 shares | Ratio 1.1500% | ▲1.1500% | — |
| 2026-01-07 | Daiwa Securities Co. Ltd. | Position 5,377,472 shares | Ratio 0.4100% | ▼0.1101% | Below 0.5% |
| 2025-12-26 | Daiwa Securities Co. Ltd. | Position 6,772,764 shares | Ratio 0.5200% | ▼0.1000% | — |
| 2025-12-18 | Daiwa Securities Co. Ltd. | Position 8,117,463 shares | Ratio 0.6200% | ▼0.1100% | — |
| 2025-12-11 | Daiwa Securities Co. Ltd. | Position 9,508,840 shares | Ratio 0.7300% | ▼0.1100% | — |
| 2025-12-02 | Daiwa Securities Co. Ltd. | Position 10,839,826 shares | Ratio 0.8400% | ▼0.1100% | — |
| 2025-11-05 | Daiwa Securities Co. Ltd. | Position 12,299,835 shares | Ratio 0.9500% | ▼0.1401% | — |
| 2025-10-24 | Daiwa Securities Co. Ltd. | Position 14,165,591 shares | Ratio 1.0900% | ▲0.1300% | — |
| 2025-10-16 | Daiwa Securities Co. Ltd. | Position 12,445,950 shares | Ratio 0.9600% | ▼0.1201% | — |
| 2025-10-10 | Daiwa Securities Co. Ltd. | Position 14,035,732 shares | Ratio 1.0800% | ▼0.1500% | — |
| 2025-10-03 | Daiwa Securities Co. Ltd. | Position 15,860,289 shares | Ratio 1.2300% | ▼0.1001% | — |
| 2025-10-01 | Daiwa Securities Co. Ltd. | Position 17,214,789 shares | Ratio 1.3300% | ▼0.1300% | — |
| 2025-09-16 | Daiwa Securities Co. Ltd. | Position 18,836,810 shares | Ratio 1.4600% | ▲0.1499% | — |
| 2025-09-08 | Daiwa Securities Co. Ltd. | Position 16,923,124 shares | Ratio 1.3100% | ▲0.1100% | — |
| 2025-08-27 | Daiwa Securities Co. Ltd. | Position 15,490,378 shares | Ratio 1.2000% | ▼0.1301% | — |
| 2025-08-13 | Daiwa Securities Co. Ltd. | Position 17,195,465 shares | Ratio 1.3300% | ▼0.1200% | — |
| 2025-08-04 | Daiwa Securities Co. Ltd. | Position 18,722,039 shares | Ratio 1.4500% | ▼0.1501% | — |
| 2025-07-24 | Daiwa Securities Co. Ltd. | Position 20,623,638 shares | Ratio 1.6000% | ▲0.1200% | — |
| 2025-07-17 | Daiwa Securities Co. Ltd. | Position 19,168,978 shares | Ratio 1.4800% | ▼0.1101% | — |
| 2025-07-15 | Daiwa Securities Co. Ltd. | Position 20,533,932 shares | Ratio 1.5900% | ▼0.1200% | — |
| 2025-07-09 | Daiwa Securities Co. Ltd. | Position 22,127,648 shares | Ratio 1.7100% | ▲0.0999% | — |
| 2025-07-01 | Daiwa Securities Co. Ltd. | Position 20,864,918 shares | Ratio 1.6100% | ▼0.1100% | — |
| 2025-06-26 | Daiwa Securities Co. Ltd. | Position 22,183,818 shares | Ratio 1.7200% | ▼0.1101% | — |
| 2025-06-24 | Daiwa Securities Co. Ltd. | Position 23,596,695 shares | Ratio 1.8300% | ▼0.1700% | — |
| 2025-06-19 | Nomura International plc | Position 4,738,255 shares | Ratio 0.3600% | ▼0.2700% | Below 0.5% |
| 2025-06-19 | Daiwa Securities Co. Ltd. | Position 25,827,795 shares | Ratio 2.0000% | ▼0.1001% | — |
| 2025-06-13 | Nomura International plc | Position 8,144,932 shares | Ratio 0.6300% | ▼0.1300% | — |
| 2025-06-10 | Daiwa Securities Co. Ltd. | Position 27,128,920 shares | Ratio 2.1000% | ▼0.1001% | — |
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