SUMCO CORPORATION 3436Short Interest
Estimated short interest in SUMCO CORPORATION (3436) is 9.88% of shares outstanding as of 2026-09-30. Institutions holding 0.5% or more: Mitsubishi UFJ Morgan Stanley Securities Co., Ltd., BNP Paribas Arbitrage SNC, JPM Securities Japan Co Ltd.
Estimated short interest
9.88%
▼0.48%
Estimated position (shares)
33,481,483
As of 2026-09-30
Short sellers
28 firms
3081 reports
Short Interest Trend Last 5 years, 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.
- Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.
- BNP Paribas Arbitrage SNC
- JPM Securities Japan Co Ltd.
- Nomura International plc
- J.P. MORGAN SECURITIES PLC
- Others
9.88%
Estimated short interest, 2026-09-30
Others7.09%
J.P. MORGAN SECURITIES PLC0.49%
Nomura International plc0.49%
JPM Securities Japan Co Ltd.0.52%
BNP Paribas Arbitrage SNC0.55%
Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.0.74%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-09-14 | Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. | Position 2,618,749 shares | Ratio 0.74% | ▲0.56% | Holding |
| 2023-12-08 | BNP Paribas Arbitrage SNC | Position 1,933,401 shares | Ratio 0.55% | ▼0.06% | Holding |
| 2026-09-24 | JPM Securities Japan Co Ltd. | Position 1,837,729 shares | Ratio 0.52% | ▲0.08% | Holding |
| 2026-08-20 | Nomura International plc | Position 1,740,476 shares | Ratio 0.49% | ▼0.10% | Below 0.5% |
| 2022-04-04 | J.P. MORGAN SECURITIES PLC | Position 1,727,159 shares | Ratio 0.49% | ▼0.01% | Below 0.5% |
| 2025-07-31 | Societe Generale | Position 1,688,863 shares | Ratio 0.48% | ▼0.02% | Below 0.5% |
| 2025-11-06 | D. E. Shaw & Co. (Asia Pacific) Limited | Position 1,648,860 shares | Ratio 0.47% | ▼0.12% | Below 0.5% |
| 2025-02-07 | Integrated Core Strategies (Asia) Pte. Ltd. | Position 1,633,960 shares | Ratio 0.46% | ▼0.13% | Below 0.5% |
| 2025-12-02 | Barclays Bank PLC | Position 1,624,211 shares | Ratio 0.46% | ▼0.05% | Below 0.5% |
| 2019-07-19 | Arrowstreet Global Equity - Alpha Extension Fund | Position 1,359,900 shares | Ratio 0.46% | ▼0.04% | Below 0.5% |
| 2025-12-02 | Point72 Hong Kong Limited | Position 1,602,300 shares | Ratio 0.45% | ▼0.10% | Below 0.5% |
| 2019-10-24 | Polar Capital LLP | Position 1,300,000 shares | Ratio 0.44% | ▼0.14% | Below 0.5% |
| 2025-12-02 | Macquarie Bank Limited | Position 1,491,376 shares | Ratio 0.42% | ▼0.53% | Below 0.5% |
| 2026-08-24 | Citigroup Global Markets Limited | Position 1,483,914 shares | Ratio 0.42% | ▼0.27% | Below 0.5% |
| 2025-04-23 | AQR Capital Management, LLC | Position 1,323,000 shares | Ratio 0.37% | ▼0.18% | Below 0.5% |
| 2019-04-01 | JANE STREET GLOBAL TRADING, LLC | Position 1,091,322 shares | Ratio 0.37% | ▼0.19% | Below 0.5% |
| 2019-08-02 | BlackRock Advisors, LLC | Position 1,073,700 shares | Ratio 0.36% | ▼0.20% | Below 0.5% |
| 2026-02-26 | UBS AG | Position 1,285,814 shares | Ratio 0.36% | ▼0.25% | Below 0.5% |
| 2021-10-13 | Credit Suisse AG | Position 998,095 shares | Ratio 0.34% | ▼0.65% | Below 0.5% |
| 2024-03-26 | BNP Paribas Financial Markets SNC formerly known as BNP Paribas Arbitrage SNC | Position 1,169,611 shares | Ratio 0.33% | ▼0.21% | Below 0.5% |
| 2019-12-23 | Lone Cypress, Ltd. | Position 891,165 shares | Ratio 0.30% | ▼0.41% | Below 0.5% |
| 2018-10-24 | Deutsche Bank Aktiengesellschaft, London | Position 737,982 shares | Ratio 0.25% | ▼0.36% | Below 0.5% |
| 2024-11-25 | State of Wisconsin Investment Board | Position 876,100 shares | Ratio 0.25% | ▼0.27% | Below 0.5% |
| 2026-07-07 | MERRILL LYNCH INTERNATIONAL | Position 695,410 shares | Ratio 0.19% | ▼0.42% | Below 0.5% |
| 2026-09-30 | Barclays Capital Securities Ltd | Position 432,718 shares | Ratio 0.12% | ▼0.48% | Below 0.5% |
| 2021-06-11 | Daiwa Securities Co. Ltd. | Position 271,900 shares | Ratio 0.09% | ▼0.47% | Below 0.5% |
| 2024-11-25 | Qube Research & Technologies Limited | Position 285,400 shares | Ratio 0.08% | ▼0.71% | Below 0.5% |
| 2019-08-28 | Credit Suisse Securities (Europe) Limited | Position 130,719 shares | Ratio 0.04% | ▼0.52% | Below 0.5% |
| 2026-09-29 | Morgan Stanley MUFG Securities Co., Ltd. | Position 129,949 shares | Ratio 0.03% | ▼0.54% | Below 0.5% |
| 2026-09-29 | GOLDMAN SACHS INTERNATIONAL | Position 0 shares | Ratio 0.00% | ▼0.74% | Closed |
| 2018-11-05 | Barclays Securities Japan Limited (BSJL) | Position 0 shares | Ratio 0.00% | ▼0.90% | Closed |
| 2026-06-01 | Maple Rock Master Fund LP | Position 0 shares | Ratio 0.00% | ▼1.85% | Closed |
| 2019-09-12 | Morgan Stanley & Co. LLC | Position 0 shares | Ratio 0.00% | ▼0.50% | Closed |
| 2020-10-09 | CloudAlpha Capital Management Limited | Position 0 shares | Ratio 0.00% | ▼0.66% | Closed |
| 2026-01-16 | Morgan Stanley & Co. International plc | Position 0 shares | Ratio 0.00% | ▼0.52% | Closed |
Disclosure History 3081 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-30 | Barclays Capital Securities Ltd | Position 432,718 shares | Ratio 0.12% | ▼0.48% | Below 0.5% |
| 2026-09-29 | Morgan Stanley MUFG Securities Co., Ltd. | Position 129,949 shares | Ratio 0.03% | ▼0.54% | Below 0.5% |
| 2026-09-29 | GOLDMAN SACHS INTERNATIONAL | Position 0 shares | Ratio 0.00% | ▼0.74% | Closed |
| 2026-09-29 | Barclays Capital Securities Ltd | Position 2,133,228 shares | Ratio 0.60% | ▲0.60% | — |
| 2026-09-25 | GOLDMAN SACHS INTERNATIONAL | Position 2,625,309 shares | Ratio 0.74% | ▼0.12% | — |
| 2026-09-24 | JPM Securities Japan Co Ltd. | Position 1,837,729 shares | Ratio 0.52% | ▲0.08% | — |
| 2026-09-24 | GOLDMAN SACHS INTERNATIONAL | Position 3,017,670 shares | Ratio 0.86% | ▼0.10% | — |
| 2026-09-18 | GOLDMAN SACHS INTERNATIONAL | Position 3,370,606 shares | Ratio 0.96% | ▼0.08% | — |
| 2026-09-17 | Morgan Stanley MUFG Securities Co., Ltd. | Position 2,002,549 shares | Ratio 0.57% | ▼0.04% | — |
| 2026-09-16 | Morgan Stanley MUFG Securities Co., Ltd. | Position 2,153,820 shares | Ratio 0.61% | ▼0.10% | — |
| 2026-09-15 | Morgan Stanley MUFG Securities Co., Ltd. | Position 2,517,720 shares | Ratio 0.71% | ▼0.33% | — |
| 2026-09-14 | Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. | Position 2,618,749 shares | Ratio 0.74% | ▲0.56% | — |
| 2026-09-14 | Morgan Stanley MUFG Securities Co., Ltd. | Position 3,669,305 shares | Ratio 1.04% | ▲0.05% | — |
| 2026-09-11 | GOLDMAN SACHS INTERNATIONAL | Position 3,651,757 shares | Ratio 1.04% | ▼0.08% | — |
| 2026-09-11 | Morgan Stanley MUFG Securities Co., Ltd. | Position 3,495,113 shares | Ratio 0.99% | ▼0.13% | — |
| 2026-09-10 | Morgan Stanley MUFG Securities Co., Ltd. | Position 3,948,313 shares | Ratio 1.12% | ▲0.23% | — |
| 2026-09-09 | GOLDMAN SACHS INTERNATIONAL | Position 3,945,808 shares | Ratio 1.12% | ▲0.16% | — |
| 2026-09-09 | Morgan Stanley MUFG Securities Co., Ltd. | Position 3,121,004 shares | Ratio 0.89% | ▼0.03% | — |
| 2026-09-08 | Morgan Stanley MUFG Securities Co., Ltd. | Position 3,224,419 shares | Ratio 0.92% | ▲0.05% | — |
| 2026-09-07 | Morgan Stanley MUFG Securities Co., Ltd. | Position 3,056,519 shares | Ratio 0.87% | ▲0.22% | — |
| 2026-09-04 | Morgan Stanley MUFG Securities Co., Ltd. | Position 2,286,810 shares | Ratio 0.65% | ▲0.12% | — |
| 2026-09-02 | GOLDMAN SACHS INTERNATIONAL | Position 3,363,172 shares | Ratio 0.96% | ▲0.14% | — |
| 2026-08-31 | GOLDMAN SACHS INTERNATIONAL | Position 2,891,740 shares | Ratio 0.82% | ▲0.10% | — |
| 2026-08-28 | GOLDMAN SACHS INTERNATIONAL | Position 2,547,141 shares | Ratio 0.72% | ▼0.09% | — |
| 2026-08-28 | Morgan Stanley MUFG Securities Co., Ltd. | Position 1,862,692 shares | Ratio 0.53% | ▼0.14% | — |
| 2026-08-27 | GOLDMAN SACHS INTERNATIONAL | Position 2,866,515 shares | Ratio 0.81% | ▼0.10% | — |
| 2026-08-27 | Morgan Stanley MUFG Securities Co., Ltd. | Position 2,354,519 shares | Ratio 0.67% | ▲0.20% | — |
| 2026-08-25 | GOLDMAN SACHS INTERNATIONAL | Position 3,205,624 shares | Ratio 0.91% | ▲0.05% | — |
| 2026-08-25 | Morgan Stanley MUFG Securities Co., Ltd. | Position 1,653,713 shares | Ratio 0.47% | ▼0.13% | Below 0.5% |
| 2026-08-24 | Citigroup Global Markets Limited | Position 1,483,914 shares | Ratio 0.42% | ▼0.27% | Below 0.5% |
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