Harmonic Drive Systems Inc. 6324Short Interest
Estimated short interest in Harmonic Drive Systems Inc. (6324) is 6.58% of shares outstanding as of 2026-09-29. Institutions holding 0.5% or more: UBS AG, GOLDMAN SACHS INTERNATIONAL, Individual and 2 others.
Estimated short interest
6.5800%
▼0.0300%
Estimated position (shares)
6,409,771
As of 2026-09-29
Short sellers
13 firms
876 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.
- UBS AG
- GOLDMAN SACHS INTERNATIONAL
- Individual
- JPM Securities Japan Co Ltd.
- Morgan Stanley MUFG Securities Co., Ltd.
- Others
6.5800%
Estimated short interest, 2026-09-29
Others2.56%
Morgan Stanley MUFG Securities Co., Ltd.0.59%
JPM Securities Japan Co Ltd.0.60%
Individual0.67%
GOLDMAN SACHS INTERNATIONAL0.89%
UBS AG1.27%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-09-18 | UBS AG | Position 1,231,175 shares | Ratio 1.2700% | ▼0.0401% | Holding |
| 2026-09-28 | GOLDMAN SACHS INTERNATIONAL | Position 862,810 shares | Ratio 0.8900% | ▼0.0101% | Holding |
| 2026-08-25 | Individual | Position 651,000 shares | Ratio 0.6700% | ▲0.1500% | Holding |
| 2026-09-28 | JPM Securities Japan Co Ltd. | Position 583,685 shares | Ratio 0.6000% | ▲0.0200% | Holding |
| 2026-09-29 | Morgan Stanley MUFG Securities Co., Ltd. | Position 574,363 shares | Ratio 0.5900% | ▼0.0301% | Holding |
| 2017-09-08 | Nomura Asset Management Singapore Limited | Position 468,700 shares | Ratio 0.4900% | ▼0.1000% | Below 0.5% |
| 2019-02-05 | Credit Suisse Securities (Europe) Limited | Position 459,996 shares | Ratio 0.4700% | ▼0.0301% | Below 0.5% |
| 2026-05-25 | MERRILL LYNCH INTERNATIONAL | Position 431,826 shares | Ratio 0.4400% | ▼0.5601% | Below 0.5% |
| 2026-04-17 | Citigroup Global Markets Limited | Position 423,200 shares | Ratio 0.4300% | ▼0.1600% | Below 0.5% |
| 2026-09-24 | Barclays Capital Securities Ltd | Position 399,092 shares | Ratio 0.4100% | ▼0.3300% | Below 0.5% |
| 2026-06-02 | Nomura International plc | Position 207,017 shares | Ratio 0.2100% | ▼0.3001% | Below 0.5% |
| 2018-12-05 | Morgan Stanley & Co. International plc | Position 80,934 shares | Ratio 0.0800% | ▼0.7500% | Below 0.5% |
| 2025-02-18 | Integrated Core Strategies (Asia) Pte. Ltd. | Position 35,973 shares | Ratio 0.0300% | ▼0.9700% | Below 0.5% |
| 2026-03-23 | J.P. MORGAN SECURITIES PLC | Position 0 shares | Ratio 0.0000% | ▼0.8900% | Closed |
Disclosure History 876 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-29 | Morgan Stanley MUFG Securities Co., Ltd. | Position 574,363 shares | Ratio 0.5900% | ▼0.0301% | — |
| 2026-09-28 | JPM Securities Japan Co Ltd. | Position 583,685 shares | Ratio 0.6000% | ▲0.0200% | — |
| 2026-09-28 | GOLDMAN SACHS INTERNATIONAL | Position 862,810 shares | Ratio 0.8900% | ▼0.0101% | — |
| 2026-09-25 | JPM Securities Japan Co Ltd. | Position 563,985 shares | Ratio 0.5800% | ▼0.0901% | — |
| 2026-09-24 | JPM Securities Japan Co Ltd. | Position 648,685 shares | Ratio 0.6700% | ▼0.0500% | — |
| 2026-09-24 | GOLDMAN SACHS INTERNATIONAL | Position 867,194 shares | Ratio 0.9000% | ▲0.0600% | — |
| 2026-09-24 | Barclays Capital Securities Ltd | Position 399,092 shares | Ratio 0.4100% | ▼0.3300% | Below 0.5% |
| 2026-09-18 | UBS AG | Position 1,231,175 shares | Ratio 1.2700% | ▼0.0401% | — |
| 2026-09-18 | GOLDMAN SACHS INTERNATIONAL | Position 811,694 shares | Ratio 0.8400% | ▼0.4701% | — |
| 2026-09-17 | Morgan Stanley MUFG Securities Co., Ltd. | Position 602,612 shares | Ratio 0.6200% | ▲0.0999% | — |
| 2026-09-17 | UBS AG | Position 1,269,075 shares | Ratio 1.3100% | ▲0.0200% | — |
| 2026-09-17 | JPM Securities Japan Co Ltd. | Position 697,094 shares | Ratio 0.7200% | ▲0.0300% | — |
| 2026-09-17 | GOLDMAN SACHS INTERNATIONAL | Position 1,268,894 shares | Ratio 1.3100% | ▲0.0200% | — |
| 2026-09-16 | UBS AG | Position 1,251,275 shares | Ratio 1.2900% | ▼0.0101% | — |
| 2026-09-16 | JPM Securities Japan Co Ltd. | Position 666,104 shares | Ratio 0.6900% | ▼0.1001% | — |
| 2026-09-14 | GOLDMAN SACHS INTERNATIONAL | Position 1,243,094 shares | Ratio 1.2900% | ▼0.0501% | — |
| 2026-09-11 | UBS AG | Position 1,255,352 shares | Ratio 1.3000% | ▲0.0900% | — |
| 2026-09-11 | JPM Securities Japan Co Ltd. | Position 766,434 shares | Ratio 0.7900% | ▲0.4100% | — |
| 2026-09-11 | GOLDMAN SACHS INTERNATIONAL | Position 1,290,766 shares | Ratio 1.3400% | ▲0.0700% | — |
| 2026-09-11 | Barclays Capital Securities Ltd | Position 717,920 shares | Ratio 0.7400% | ▲0.2300% | — |
| 2026-09-11 | Morgan Stanley MUFG Securities Co., Ltd. | Position 507,312 shares | Ratio 0.5200% | ▲0.1500% | — |
| 2026-09-10 | GOLDMAN SACHS INTERNATIONAL | Position 1,232,438 shares | Ratio 1.2700% | ▼0.0701% | — |
| 2026-09-10 | Barclays Capital Securities Ltd | Position 498,148 shares | Ratio 0.5100% | ▼0.1401% | — |
| 2026-09-09 | GOLDMAN SACHS INTERNATIONAL | Position 1,294,038 shares | Ratio 1.3400% | ▼0.1100% | — |
| 2026-09-08 | UBS AG | Position 1,168,947 shares | Ratio 1.2100% | ▼0.1601% | — |
| 2026-09-08 | JPM Securities Japan Co Ltd. | Position 477,590 shares | Ratio 0.4900% | ▼0.0301% | Below 0.5% |
| 2026-09-07 | UBS AG | Position 1,326,047 shares | Ratio 1.3700% | ▼0.0600% | — |
| 2026-09-07 | GOLDMAN SACHS INTERNATIONAL | Position 1,398,637 shares | Ratio 1.4500% | ▼0.1701% | — |
| 2026-09-04 | UBS AG | Position 1,386,347 shares | Ratio 1.4300% | ▲0.0799% | — |
| 2026-09-04 | JPM Securities Japan Co Ltd. | Position 502,990 shares | Ratio 0.5200% | ▼0.1800% | — |
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