Kidswell Bio Corporation 4584Short Interest
Estimated short interest in Kidswell Bio Corporation (4584) is 8.57% of shares outstanding as of 2026-09-30. Institutions holding 0.5% or more: JPM Securities Japan Co Ltd., Arrowstreet EAFE Alpha Extension Trust Fund, series Arrowstreet EAFE ALPHA EXTENSION TRUST FUND A SUB FUND OF ARROWSTREET INVESTMENT TRUST and 2 others.
Estimated short interest
8.5700%
▼0.1000%
Estimated position (shares)
3,960,454
As of 2026-09-30
Short sellers
11 firms
1805 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.
- JPM Securities Japan Co Ltd.
- Arrowstreet EAFE Alpha Extension Trust Fund
- series Arrowstreet EAFE ALPHA EXTENSION TRUST FUND A SUB FUND OF ARROWSTREET INVESTMENT TRUST
- Morgan Stanley MUFG Securities Co., Ltd.
- Barclays Capital Securities Ltd
- Others
8.5700%
Estimated short interest, 2026-09-30
Others2.71%
Barclays Capital Securities Ltd0.53%
Morgan Stanley MUFG Securities Co., Ltd.0.59%
series Arrowstreet EAFE ALPHA EXTENSION TRUST FUND A SUB FUND OF ARROWSTREET INVESTMENT TRUST0.74%
Arrowstreet EAFE Alpha Extension Trust Fund0.88%
JPM Securities Japan Co Ltd.3.12%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-09-08 | JPM Securities Japan Co Ltd. | Position 1,581,800 shares | Ratio 3.1200% | ▲0.1100% | Holding |
| 2023-11-02 | Arrowstreet EAFE Alpha Extension Trust Fund | Position 328,900 shares | Ratio 0.8800% | ▼0.0900% | Holding |
| 2024-08-28 | series Arrowstreet EAFE ALPHA EXTENSION TRUST FUND A SUB FUND OF ARROWSTREET INVESTMENT TRUST | Position 297,800 shares | Ratio 0.7400% | ▼0.1401% | Holding |
| 2026-09-30 | Morgan Stanley MUFG Securities Co., Ltd. | Position 300,000 shares | Ratio 0.5900% | ▼0.1000% | Holding |
| 2026-09-09 | Barclays Capital Securities Ltd | Position 270,115 shares | Ratio 0.5300% | ▼0.3500% | Holding |
| 2018-11-07 | Deutsche Bank Aktiengesellschaft, London | Position 96,100 shares | Ratio 0.4900% | ▼0.0800% | Below 0.5% |
| 2025-10-30 | GOLDMAN SACHS INTERNATIONAL | Position 242,900 shares | Ratio 0.4900% | ▼0.0601% | Below 0.5% |
| 2025-10-20 | Citigroup Global Markets Limited | Position 247,000 shares | Ratio 0.4900% | ▼0.0701% | Below 0.5% |
| 2025-03-14 | Arrowstreet Capital, Limited Partnership | Position 207,500 shares | Ratio 0.4700% | ▼0.2200% | Below 0.5% |
| 2026-05-25 | UBS AG | Position 215,700 shares | Ratio 0.4300% | ▼0.2301% | Below 0.5% |
| 2026-07-27 | MERRILL LYNCH INTERNATIONAL | Position 172,639 shares | Ratio 0.3400% | ▼1.3300% | Below 0.5% |
| 2026-03-10 | Nomura International plc | Position 0 shares | Ratio 0.0000% | ▼0.5800% | Closed |
Disclosure History 1805 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-30 | Morgan Stanley MUFG Securities Co., Ltd. | Position 300,000 shares | Ratio 0.5900% | ▼0.1000% | — |
| 2026-09-18 | Morgan Stanley MUFG Securities Co., Ltd. | Position 352,200 shares | Ratio 0.6900% | ▼0.0701% | — |
| 2026-09-16 | Morgan Stanley MUFG Securities Co., Ltd. | Position 386,400 shares | Ratio 0.7600% | ▼0.1300% | — |
| 2026-09-10 | Morgan Stanley MUFG Securities Co., Ltd. | Position 452,600 shares | Ratio 0.8900% | ▼0.0900% | — |
| 2026-09-09 | Barclays Capital Securities Ltd | Position 270,115 shares | Ratio 0.5300% | ▼0.3500% | — |
| 2026-09-08 | JPM Securities Japan Co Ltd. | Position 1,581,800 shares | Ratio 3.1200% | ▲0.1100% | — |
| 2026-09-08 | Morgan Stanley MUFG Securities Co., Ltd. | Position 500,100 shares | Ratio 0.9800% | ▼0.0701% | — |
| 2026-09-07 | Morgan Stanley MUFG Securities Co., Ltd. | Position 532,900 shares | Ratio 1.0500% | ▼0.1200% | — |
| 2026-09-04 | Morgan Stanley MUFG Securities Co., Ltd. | Position 593,400 shares | Ratio 1.1700% | ▼0.0601% | — |
| 2026-08-31 | Barclays Capital Securities Ltd | Position 447,700 shares | Ratio 0.8800% | ▼0.1000% | — |
| 2026-08-26 | Morgan Stanley MUFG Securities Co., Ltd. | Position 626,400 shares | Ratio 1.2300% | ▲0.0700% | — |
| 2026-08-25 | Barclays Capital Securities Ltd | Position 498,615 shares | Ratio 0.9800% | ▼0.0301% | — |
| 2026-08-25 | Morgan Stanley MUFG Securities Co., Ltd. | Position 591,200 shares | Ratio 1.1600% | ▼0.0401% | — |
| 2026-08-24 | Morgan Stanley MUFG Securities Co., Ltd. | Position 607,400 shares | Ratio 1.2000% | ▲0.0100% | — |
| 2026-08-21 | Morgan Stanley MUFG Securities Co., Ltd. | Position 604,600 shares | Ratio 1.1900% | ▼0.0501% | — |
| 2026-08-20 | JPM Securities Japan Co Ltd. | Position 1,523,600 shares | Ratio 3.0100% | ▲0.0599% | — |
| 2026-08-20 | Morgan Stanley MUFG Securities Co., Ltd. | Position 615,900 shares | Ratio 1.2400% | ▲0.1100% | — |
| 2026-08-19 | JPM Securities Japan Co Ltd. | Position 1,492,700 shares | Ratio 2.9500% | ▲0.1400% | — |
| 2026-08-17 | Morgan Stanley MUFG Securities Co., Ltd. | Position 563,800 shares | Ratio 1.1300% | ▲0.0699% | — |
| 2026-08-14 | Barclays Capital Securities Ltd | Position 515,015 shares | Ratio 1.0100% | ▼0.1800% | — |
| 2026-08-14 | Morgan Stanley MUFG Securities Co., Ltd. | Position 530,000 shares | Ratio 1.0600% | ▼0.1000% | — |
| 2026-08-12 | JPM Securities Japan Co Ltd. | Position 1,422,500 shares | Ratio 2.8100% | ▲0.0800% | — |
| 2026-08-07 | Barclays Capital Securities Ltd | Position 606,115 shares | Ratio 1.1900% | ▼0.1001% | — |
| 2026-08-05 | JPM Securities Japan Co Ltd. | Position 1,383,700 shares | Ratio 2.7300% | ▲0.0899% | — |
| 2026-07-31 | JPM Securities Japan Co Ltd. | Position 1,336,400 shares | Ratio 2.6400% | ▲0.1100% | — |
| 2026-07-30 | Morgan Stanley MUFG Securities Co., Ltd. | Position 580,300 shares | Ratio 1.1600% | ▼0.1301% | — |
| 2026-07-29 | Barclays Capital Securities Ltd | Position 652,715 shares | Ratio 1.2900% | ▼0.0401% | — |
| 2026-07-27 | MERRILL LYNCH INTERNATIONAL | Position 172,639 shares | Ratio 0.3400% | ▼1.3300% | Below 0.5% |
| 2026-07-27 | JPM Securities Japan Co Ltd. | Position 1,280,500 shares | Ratio 2.5300% | ▼0.5701% | — |
| 2026-07-24 | MERRILL LYNCH INTERNATIONAL | Position 829,239 shares | Ratio 1.6700% | ▲0.0100% | — |
Related Stocks Same TSE 33 sector
| Stock | Market | TSE 33 Sector | TOPIX-17 Sector | Index |
|---|---|---|---|---|
| GNI Group Ltd.2160 | Growth Market(Domestic) | Pharmaceutical | Pharmaceutical | |
| Kyowa Kirin Co.,Ltd.4151 | Prime Market (Domestic) | Pharmaceutical | Pharmaceutical | TOPIX Mid400 |
| Takeda Pharmaceutical Company Limited4502 | Prime Market (Domestic) | Pharmaceutical | Pharmaceutical | TOPIX Core30 |
| Astellas Pharma Inc.4503 | Prime Market (Domestic) | Pharmaceutical | Pharmaceutical | TOPIX Large70 |
| Sumitomo Pharma Co.,Ltd.4506 | Prime Market (Domestic) | Pharmaceutical | Pharmaceutical | TOPIX Mid400 |