HAMAMATSU PHOTONICS K.K. 6965Short Interest
Estimated short interest in HAMAMATSU PHOTONICS K.K. (6965) is 3.02% of shares outstanding as of 2026-09-24. No institution currently holds 0.5% or more.
Prime Market (Domestic)
Electric Appliances
Electric Appliances & Precision Instruments
TOPIX Mid400
Estimated short interest
3.0200%
▼0.4500%
Estimated position (shares)
9,883,771
As of 2026-09-24
Short sellers
10 firms
97 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.
- Arrowstreet Capital, Limited Partnership
- Integrated Core Strategies (Asia) Pte. Ltd.
- JPM Securities Japan Co Ltd.
- GOLDMAN SACHS INTERNATIONAL
- Barclays Capital Securities Ltd
- Others
3.0200%
Estimated short interest, 2026-09-24
Others1.06%
Barclays Capital Securities Ltd0.31%
GOLDMAN SACHS INTERNATIONAL0.36%
JPM Securities Japan Co Ltd.0.39%
Integrated Core Strategies (Asia) Pte. Ltd.0.43%
Arrowstreet Capital, Limited Partnership0.47%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2025-06-26 | Arrowstreet Capital, Limited Partnership | Position 1,509,700 shares | Ratio 0.4700% | ▼0.1200% | Below 0.5% |
| 2024-12-02 | Integrated Core Strategies (Asia) Pte. Ltd. | Position 1,443,897 shares | Ratio 0.4300% | ▼0.0801% | Below 0.5% |
| 2026-08-05 | JPM Securities Japan Co Ltd. | Position 1,260,007 shares | Ratio 0.3900% | ▼0.1200% | Below 0.5% |
| 2025-10-07 | GOLDMAN SACHS INTERNATIONAL | Position 1,157,420 shares | Ratio 0.3600% | ▼0.1701% | Below 0.5% |
| 2026-08-04 | Barclays Capital Securities Ltd | Position 1,010,255 shares | Ratio 0.3100% | ▼0.2900% | Below 0.5% |
| 2026-06-17 | J.P. MORGAN SECURITIES PLC | Position 910,400 shares | Ratio 0.2800% | ▼0.4400% | Below 0.5% |
| 2026-03-12 | MERRILL LYNCH INTERNATIONAL | Position 820,855 shares | Ratio 0.2500% | ▼0.3500% | Below 0.5% |
| 2025-10-22 | Citigroup Global Markets Limited | Position 698,411 shares | Ratio 0.2100% | ▼0.5801% | Below 0.5% |
| 2024-11-25 | Qube Research & Technologies Limited | Position 606,400 shares | Ratio 0.1800% | ▼0.4901% | Below 0.5% |
| 2026-09-24 | Morgan Stanley MUFG Securities Co., Ltd. | Position 466,426 shares | Ratio 0.1400% | ▼0.4500% | Below 0.5% |
| 2024-09-26 | Nomura Securities Co., Ltd. | Position 0 shares | Ratio 0.0000% | ▼0.5601% | Closed |
| 2024-11-25 | Nomura International plc | Position 0 shares | Ratio 0.0000% | ▼0.6200% | Closed |
Disclosure History 97 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-24 | Morgan Stanley MUFG Securities Co., Ltd. | Position 466,426 shares | Ratio 0.1400% | ▼0.4500% | Below 0.5% |
| 2026-09-08 | Morgan Stanley MUFG Securities Co., Ltd. | Position 1,904,875 shares | Ratio 0.5900% | ▼0.0201% | — |
| 2026-09-07 | Morgan Stanley MUFG Securities Co., Ltd. | Position 1,973,375 shares | Ratio 0.6100% | ▲0.0799% | — |
| 2026-09-04 | Morgan Stanley MUFG Securities Co., Ltd. | Position 1,714,175 shares | Ratio 0.5300% | ▲0.1000% | — |
| 2026-08-05 | JPM Securities Japan Co Ltd. | Position 1,260,007 shares | Ratio 0.3900% | ▼0.1200% | Below 0.5% |
| 2026-08-04 | JPM Securities Japan Co Ltd. | Position 1,630,174 shares | Ratio 0.5100% | ▲0.1099% | — |
| 2026-08-04 | Barclays Capital Securities Ltd | Position 1,010,255 shares | Ratio 0.3100% | ▼0.2900% | Below 0.5% |
| 2026-07-29 | Barclays Capital Securities Ltd | Position 1,917,555 shares | Ratio 0.6000% | ▲0.0899% | — |
| 2026-07-27 | Barclays Capital Securities Ltd | Position 1,632,078 shares | Ratio 0.5100% | ▲0.0900% | — |
| 2026-06-19 | Barclays Capital Securities Ltd | Position 1,355,255 shares | Ratio 0.4200% | ▼0.1101% | Below 0.5% |
| 2026-06-17 | J.P. MORGAN SECURITIES PLC | Position 910,400 shares | Ratio 0.2800% | ▼0.4400% | Below 0.5% |
| 2026-06-16 | Barclays Capital Securities Ltd | Position 1,699,155 shares | Ratio 0.5300% | ▲0.0900% | — |
| 2026-06-08 | J.P. MORGAN SECURITIES PLC | Position 2,308,700 shares | Ratio 0.7200% | ▲0.2799% | — |
| 2026-04-09 | Barclays Capital Securities Ltd | Position 1,067,684 shares | Ratio 0.3300% | ▼0.1800% | Below 0.5% |
| 2026-03-19 | Barclays Capital Securities Ltd | Position 1,639,380 shares | Ratio 0.5100% | ▲0.5100% | — |
| 2026-03-12 | MERRILL LYNCH INTERNATIONAL | Position 820,855 shares | Ratio 0.2500% | ▼0.3500% | Below 0.5% |
| 2026-03-11 | MERRILL LYNCH INTERNATIONAL | Position 1,934,755 shares | Ratio 0.6000% | ▼0.0501% | — |
| 2026-03-10 | MERRILL LYNCH INTERNATIONAL | Position 2,080,767 shares | Ratio 0.6500% | ▲0.0600% | — |
| 2026-03-09 | MERRILL LYNCH INTERNATIONAL | Position 1,913,367 shares | Ratio 0.5900% | ▲0.0999% | — |
| 2025-10-22 | Citigroup Global Markets Limited | Position 698,411 shares | Ratio 0.2100% | ▼0.5801% | Below 0.5% |
| 2025-10-21 | Citigroup Global Markets Limited | Position 2,537,611 shares | Ratio 0.7900% | ▼0.0101% | — |
| 2025-10-20 | Citigroup Global Markets Limited | Position 2,559,511 shares | Ratio 0.8000% | ▲0.0800% | — |
| 2025-10-10 | Citigroup Global Markets Limited | Position 2,322,411 shares | Ratio 0.7200% | ▲0.0799% | — |
| 2025-10-07 | GOLDMAN SACHS INTERNATIONAL | Position 1,157,420 shares | Ratio 0.3600% | ▼0.1701% | Below 0.5% |
| 2025-10-03 | GOLDMAN SACHS INTERNATIONAL | Position 1,715,582 shares | Ratio 0.5300% | ▲0.0500% | — |
| 2025-10-02 | GOLDMAN SACHS INTERNATIONAL | Position 1,536,682 shares | Ratio 0.4800% | ▼0.0201% | Below 0.5% |
| 2025-09-26 | Citigroup Global Markets Limited | Position 2,047,311 shares | Ratio 0.6400% | ▲0.1300% | — |
| 2025-09-22 | GOLDMAN SACHS INTERNATIONAL | Position 1,606,409 shares | Ratio 0.5000% | ▲0.0800% | — |
| 2025-09-19 | Citigroup Global Markets Limited | Position 1,651,211 shares | Ratio 0.5100% | ▲0.2000% | — |
| 2025-06-26 | Arrowstreet Capital, Limited Partnership | Position 1,509,700 shares | Ratio 0.4700% | ▼0.1200% | Below 0.5% |
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