Welby Inc. 4438Short Interest
Estimated short interest in Welby Inc. (4438) is 1.52% of shares outstanding as of 2026-09-25. Institutions holding 0.5% or more: Nomura International plc.
Estimated short interest
1.5200%
▼0.0900%
Estimated position (shares)
124,576
As of 2026-09-25
Short sellers
4 firms
39 reports
Short Interest Trend By institution, % of shares outstanding
Estimated short interest, stacking the latest reported position of each short seller. The 4 largest current holders are shown in color and the rest are grouped as "Others". Hover over (or tap) a bar to see the breakdown.
- Nomura International plc
- JPM Securities Japan Co Ltd.
- Morgan Stanley MUFG Securities Co., Ltd.
- UBS AG
1.5200%
Estimated short interest, 2026-09-25
UBS AG0.19%
Morgan Stanley MUFG Securities Co., Ltd.0.31%
JPM Securities Japan Co Ltd.0.49%
Nomura International plc0.53%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-09-25 | Nomura International plc | Position 44,776 shares | Ratio 0.5300% | ▼0.0900% | Holding |
| 2024-02-09 | JPM Securities Japan Co Ltd. | Position 39,000 shares | Ratio 0.4900% | ▼0.0601% | Below 0.5% |
| 2026-03-16 | Morgan Stanley MUFG Securities Co., Ltd. | Position 25,800 shares | Ratio 0.3100% | ▼0.2501% | Below 0.5% |
| 2023-05-09 | UBS AG | Position 15,000 shares | Ratio 0.1900% | ▼0.3100% | Below 0.5% |
Disclosure History 39 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-25 | Nomura International plc | Position 44,776 shares | Ratio 0.5300% | ▼0.0900% | — |
| 2026-09-24 | Nomura International plc | Position 52,879 shares | Ratio 0.6200% | ▲0.1800% | — |
| 2026-06-18 | Nomura International plc | Position 40,947 shares | Ratio 0.4800% | ▼0.0900% | Below 0.5% |
| 2026-06-11 | Nomura International plc | Position 58,241 shares | Ratio 0.6900% | ▼0.0401% | — |
| 2026-06-05 | Nomura International plc | Position 62,031 shares | Ratio 0.7300% | ▲0.2300% | — |
| 2026-06-03 | Nomura International plc | Position 42,903 shares | Ratio 0.5000% | ▼0.1601% | — |
| 2026-05-27 | Nomura International plc | Position 56,001 shares | Ratio 0.6600% | ▼0.1300% | — |
| 2026-05-20 | Nomura International plc | Position 67,471 shares | Ratio 0.7900% | ▼0.0900% | — |
| 2026-05-12 | Nomura International plc | Position 74,475 shares | Ratio 0.8800% | ▼0.0501% | — |
| 2026-05-08 | Nomura International plc | Position 78,576 shares | Ratio 0.9300% | ▼0.1601% | — |
| 2026-04-30 | Nomura International plc | Position 92,276 shares | Ratio 1.0900% | ▼0.0700% | — |
| 2026-04-28 | Nomura International plc | Position 98,075 shares | Ratio 1.1600% | ▼0.1001% | — |
| 2026-04-21 | Nomura International plc | Position 106,474 shares | Ratio 1.2600% | ▼0.1200% | — |
| 2026-04-15 | Nomura International plc | Position 114,679 shares | Ratio 1.3800% | ▼0.1001% | — |
| 2026-04-09 | Nomura International plc | Position 122,877 shares | Ratio 1.4800% | ▼0.1001% | — |
| 2026-03-30 | Nomura International plc | Position 131,557 shares | Ratio 1.5800% | ▼0.0700% | — |
| 2026-03-25 | Nomura International plc | Position 137,033 shares | Ratio 1.6500% | ▼0.1401% | — |
| 2026-03-23 | Nomura International plc | Position 148,488 shares | Ratio 1.7900% | ▼0.1000% | — |
| 2026-03-17 | Nomura International plc | Position 156,691 shares | Ratio 1.8900% | ▲0.0999% | — |
| 2026-03-16 | Nomura International plc | Position 148,744 shares | Ratio 1.7900% | ▲0.5800% | — |
| 2026-03-16 | Morgan Stanley MUFG Securities Co., Ltd. | Position 25,800 shares | Ratio 0.3100% | ▼0.2501% | Below 0.5% |
| 2026-03-13 | Nomura International plc | Position 100,414 shares | Ratio 1.2100% | ▲0.2400% | — |
| 2026-03-12 | Nomura International plc | Position 80,411 shares | Ratio 0.9700% | ▲0.1200% | — |
| 2026-03-11 | Nomura International plc | Position 70,512 shares | Ratio 0.8500% | ▲0.0699% | — |
| 2026-03-11 | Morgan Stanley MUFG Securities Co., Ltd. | Position 47,000 shares | Ratio 0.5600% | ▼0.0500% | — |
| 2026-03-10 | Morgan Stanley MUFG Securities Co., Ltd. | Position 51,000 shares | Ratio 0.6100% | ▼0.2400% | — |
| 2026-03-09 | Nomura International plc | Position 64,861 shares | Ratio 0.7800% | ▲0.1300% | — |
| 2026-03-06 | Nomura International plc | Position 54,378 shares | Ratio 0.6500% | ▲0.1900% | — |
| 2026-03-05 | Morgan Stanley MUFG Securities Co., Ltd. | Position 70,500 shares | Ratio 0.8500% | ▲0.2600% | — |
| 2026-03-04 | Morgan Stanley MUFG Securities Co., Ltd. | Position 49,600 shares | Ratio 0.5900% | ▲0.1200% | — |
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