CLUSTER TECHNOLOGY CO.,LTD. 4240Short Interest
Estimated short interest in CLUSTER TECHNOLOGY CO.,LTD. (4240) is 3.74% of shares outstanding as of 2026-08-20. Institutions holding 0.5% or more: Morgan Stanley MUFG Securities Co., Ltd.
Estimated short interest
3.7400%
▲0.0900%
Estimated position (shares)
216,400
As of 2026-08-20
Short sellers
10 firms
249 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.
- Morgan Stanley MUFG Securities Co., Ltd.
- Nomura International plc
- Nomura Securities Co., Ltd.
- UBS AG
- Credit Suisse AG
- Others
3.7400%
Estimated short interest, 2026-08-20
Others1.27%
Credit Suisse AG0.45%
UBS AG0.45%
Nomura Securities Co., Ltd.0.48%
Nomura International plc0.49%
Morgan Stanley MUFG Securities Co., Ltd.0.60%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-08-20 | Morgan Stanley MUFG Securities Co., Ltd. | Position 34,700 shares | Ratio 0.6000% | ▲0.0899% | Holding |
| 2025-06-05 | Nomura International plc | Position 28,000 shares | Ratio 0.4900% | ▼0.0301% | Below 0.5% |
| 2026-06-04 | Nomura Securities Co., Ltd. | Position 27,700 shares | Ratio 0.4800% | ▼0.1300% | Below 0.5% |
| 2025-06-13 | UBS AG | Position 25,800 shares | Ratio 0.4500% | ▼0.1200% | Below 0.5% |
| 2020-02-27 | Credit Suisse AG | Position 25,900 shares | Ratio 0.4500% | ▼0.1001% | Below 0.5% |
| 2018-12-25 | Deutsche Bank Aktiengesellschaft, London | Position 21,900 shares | Ratio 0.3800% | ▼0.1900% | Below 0.5% |
| 2022-08-01 | JPM Securities Japan Co Ltd. | Position 15,300 shares | Ratio 0.2600% | ▼0.2901% | Below 0.5% |
| 2022-08-15 | MERRILL LYNCH INTERNATIONAL | Position 14,600 shares | Ratio 0.2500% | ▼0.4301% | Below 0.5% |
| 2019-11-22 | Credit Suisse Securities (Europe) Limited | Position 11,200 shares | Ratio 0.1900% | ▼0.9700% | Below 0.5% |
| 2019-12-03 | Credit Suisse Securities (Japan) Limited | Position 11,300 shares | Ratio 0.1900% | ▼0.9001% | Below 0.5% |
| 2025-04-30 | Individual | Position 0 shares | Ratio 0.0000% | ▼0.5300% | Closed |
Disclosure History 249 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-08-20 | Morgan Stanley MUFG Securities Co., Ltd. | Position 34,700 shares | Ratio 0.6000% | ▲0.0899% | — |
| 2026-08-12 | Morgan Stanley MUFG Securities Co., Ltd. | Position 29,300 shares | Ratio 0.5100% | ▲0.1099% | — |
| 2026-06-04 | Nomura Securities Co., Ltd. | Position 27,700 shares | Ratio 0.4800% | ▼0.1300% | Below 0.5% |
| 2026-04-23 | Nomura Securities Co., Ltd. | Position 35,000 shares | Ratio 0.6100% | ▲0.0999% | — |
| 2025-06-13 | UBS AG | Position 25,800 shares | Ratio 0.4500% | ▼0.1200% | Below 0.5% |
| 2025-06-11 | UBS AG | Position 32,600 shares | Ratio 0.5700% | ▼0.1200% | — |
| 2025-06-09 | UBS AG | Position 39,600 shares | Ratio 0.6900% | ▼0.0801% | — |
| 2025-06-05 | Nomura International plc | Position 28,000 shares | Ratio 0.4900% | ▼0.0301% | Below 0.5% |
| 2025-06-04 | UBS AG | Position 44,200 shares | Ratio 0.7700% | ▼0.0401% | — |
| 2025-06-04 | Nomura International plc | Position 30,000 shares | Ratio 0.5200% | ▲0.1200% | — |
| 2025-06-03 | UBS AG | Position 46,500 shares | Ratio 0.8100% | ▼0.1700% | — |
| 2025-05-30 | UBS AG | Position 55,900 shares | Ratio 0.9800% | ▼0.0701% | — |
| 2025-05-29 | UBS AG | Position 59,800 shares | Ratio 1.0500% | ▼0.0601% | — |
| 2025-05-27 | UBS AG | Position 63,600 shares | Ratio 1.1100% | ▼0.1700% | — |
| 2025-05-27 | Nomura International plc | Position 23,300 shares | Ratio 0.4000% | ▼0.1900% | Below 0.5% |
| 2025-05-23 | Nomura International plc | Position 33,600 shares | Ratio 0.5900% | ▼0.0101% | — |
| 2025-05-22 | Nomura International plc | Position 34,400 shares | Ratio 0.6000% | ▲0.0100% | — |
| 2025-05-21 | UBS AG | Position 73,200 shares | Ratio 1.2800% | ▼0.0401% | — |
| 2025-05-21 | Nomura International plc | Position 33,600 shares | Ratio 0.5900% | ▼0.1501% | — |
| 2025-05-20 | UBS AG | Position 75,200 shares | Ratio 1.3200% | ▲0.0400% | — |
| 2025-05-19 | UBS AG | Position 73,200 shares | Ratio 1.2800% | ▼0.0701% | — |
| 2025-05-19 | Nomura International plc | Position 42,400 shares | Ratio 0.7400% | ▼0.0900% | — |
| 2025-05-15 | UBS AG | Position 76,900 shares | Ratio 1.3500% | ▲0.1300% | — |
| 2025-05-15 | Morgan Stanley MUFG Securities Co., Ltd. | Position 23,600 shares | Ratio 0.4100% | ▼0.1501% | Below 0.5% |
| 2025-05-14 | UBS AG | Position 70,000 shares | Ratio 1.2200% | ▲0.1699% | — |
| 2025-05-14 | Morgan Stanley MUFG Securities Co., Ltd. | Position 32,100 shares | Ratio 0.5600% | ▼0.1500% | — |
| 2025-05-13 | UBS AG | Position 60,300 shares | Ratio 1.0500% | ▲0.2200% | — |
| 2025-05-13 | Nomura International plc | Position 47,700 shares | Ratio 0.8300% | ▲0.0799% | — |
| 2025-05-13 | Morgan Stanley MUFG Securities Co., Ltd. | Position 40,700 shares | Ratio 0.7100% | ▼0.3101% | — |
| 2025-05-12 | Morgan Stanley MUFG Securities Co., Ltd. | Position 58,600 shares | Ratio 1.0200% | ▼0.1400% | — |
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