MAMIYA-OP CO.,LTD 7991Short Interest
Estimated short interest in MAMIYA-OP CO.,LTD (7991) is 3.50% of shares outstanding as of 2026-07-01. No institution currently holds 0.5% or more.
Estimated short interest
3.5000%
▼0.0400%
Estimated position (shares)
365,700
As of 2026-07-01
Short sellers
8 firms
129 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.
- Barclays Capital Securities Ltd
- Diversified Select Opportunities Capital Management, LLC
- XTX Markets Pte Ltd
- JPM Securities Japan Co Ltd.
- MERRILL LYNCH INTERNATIONAL
- Others
3.5000%
Estimated short interest, 2026-07-01
Others1.11%
MERRILL LYNCH INTERNATIONAL0.46%
JPM Securities Japan Co Ltd.0.46%
XTX Markets Pte Ltd0.49%
Diversified Select Opportunities Capital Management, LLC0.49%
Barclays Capital Securities Ltd0.49%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2024-02-26 | XTX Markets Pte Ltd | Position 47,300 shares | Ratio 0.4900% | ▼0.0201% | Below 0.5% |
| 2024-04-16 | Diversified Select Opportunities Capital Management, LLC | Position 51,000 shares | Ratio 0.4900% | ▼0.0301% | Below 0.5% |
| 2026-07-01 | Barclays Capital Securities Ltd | Position 51,900 shares | Ratio 0.4900% | ▼0.0401% | Below 0.5% |
| 2025-08-15 | JPM Securities Japan Co Ltd. | Position 49,100 shares | Ratio 0.4600% | ▼0.0400% | Below 0.5% |
| 2025-04-14 | MERRILL LYNCH INTERNATIONAL | Position 48,900 shares | Ratio 0.4600% | ▼0.0600% | Below 0.5% |
| 2025-08-20 | GOLDMAN SACHS INTERNATIONAL | Position 45,300 shares | Ratio 0.4300% | ▼0.1201% | Below 0.5% |
| 2025-08-22 | Morgan Stanley MUFG Securities Co., Ltd. | Position 41,400 shares | Ratio 0.3900% | ▼0.1401% | Below 0.5% |
| 2025-03-27 | UBS AG | Position 30,800 shares | Ratio 0.2900% | ▼0.2401% | Below 0.5% |
| 2023-08-09 | Individual | Position 0 shares | Ratio 0.0000% | ▼0.6100% | Closed |
| 2024-04-09 | SMBC Nikko Securities Inc. | Position 0 shares | Ratio 0.0000% | ▼0.6900% | Closed |
Disclosure History 129 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-07-01 | Barclays Capital Securities Ltd | Position 51,900 shares | Ratio 0.4900% | ▼0.0401% | Below 0.5% |
| 2026-06-17 | Barclays Capital Securities Ltd | Position 56,700 shares | Ratio 0.5300% | ▼0.0900% | — |
| 2026-06-01 | Barclays Capital Securities Ltd | Position 66,200 shares | Ratio 0.6200% | ▲0.0300% | — |
| 2026-05-29 | Barclays Capital Securities Ltd | Position 62,600 shares | Ratio 0.5900% | ▼0.0301% | — |
| 2026-05-20 | Barclays Capital Securities Ltd | Position 65,900 shares | Ratio 0.6200% | ▲0.1200% | — |
| 2026-05-13 | Barclays Capital Securities Ltd | Position 53,200 shares | Ratio 0.5000% | ▲0.0700% | — |
| 2025-08-22 | Morgan Stanley MUFG Securities Co., Ltd. | Position 41,400 shares | Ratio 0.3900% | ▼0.1401% | Below 0.5% |
| 2025-08-21 | Morgan Stanley MUFG Securities Co., Ltd. | Position 56,200 shares | Ratio 0.5300% | ▼0.1300% | — |
| 2025-08-20 | GOLDMAN SACHS INTERNATIONAL | Position 45,300 shares | Ratio 0.4300% | ▼0.1201% | Below 0.5% |
| 2025-08-19 | GOLDMAN SACHS INTERNATIONAL | Position 58,800 shares | Ratio 0.5500% | ▼0.1100% | — |
| 2025-08-18 | GOLDMAN SACHS INTERNATIONAL | Position 70,300 shares | Ratio 0.6600% | ▼0.1401% | — |
| 2025-08-18 | Morgan Stanley MUFG Securities Co., Ltd. | Position 70,300 shares | Ratio 0.6600% | ▼0.0500% | — |
| 2025-08-15 | GOLDMAN SACHS INTERNATIONAL | Position 85,100 shares | Ratio 0.8000% | ▼0.1400% | — |
| 2025-08-15 | Morgan Stanley MUFG Securities Co., Ltd. | Position 74,700 shares | Ratio 0.7100% | ▲0.0799% | — |
| 2025-08-15 | JPM Securities Japan Co Ltd. | Position 49,100 shares | Ratio 0.4600% | ▼0.0400% | Below 0.5% |
| 2025-08-14 | GOLDMAN SACHS INTERNATIONAL | Position 99,800 shares | Ratio 0.9400% | ▼0.1201% | — |
| 2025-08-13 | GOLDMAN SACHS INTERNATIONAL | Position 111,900 shares | Ratio 1.0600% | ▼0.0800% | — |
| 2025-08-13 | Morgan Stanley MUFG Securities Co., Ltd. | Position 66,400 shares | Ratio 0.6300% | ▲0.0699% | — |
| 2025-08-12 | JPM Securities Japan Co Ltd. | Position 53,300 shares | Ratio 0.5000% | ▲0.0100% | — |
| 2025-08-12 | Morgan Stanley MUFG Securities Co., Ltd. | Position 59,600 shares | Ratio 0.5600% | ▲0.0800% | — |
| 2025-08-07 | GOLDMAN SACHS INTERNATIONAL | Position 120,500 shares | Ratio 1.1400% | ▲0.1099% | — |
| 2025-08-06 | JPM Securities Japan Co Ltd. | Position 52,400 shares | Ratio 0.4900% | ▼0.0101% | Below 0.5% |
| 2025-07-25 | GOLDMAN SACHS INTERNATIONAL | Position 108,900 shares | Ratio 1.0300% | ▼0.1600% | — |
| 2025-07-23 | JPM Securities Japan Co Ltd. | Position 53,500 shares | Ratio 0.5000% | ▲0.0900% | — |
| 2025-07-17 | GOLDMAN SACHS INTERNATIONAL | Position 125,900 shares | Ratio 1.1900% | ▼0.0101% | — |
| 2025-07-15 | GOLDMAN SACHS INTERNATIONAL | Position 127,000 shares | Ratio 1.2000% | ▲0.0100% | — |
| 2025-07-11 | Morgan Stanley MUFG Securities Co., Ltd. | Position 48,900 shares | Ratio 0.4600% | ▼0.1100% | Below 0.5% |
| 2025-07-10 | GOLDMAN SACHS INTERNATIONAL | Position 126,100 shares | Ratio 1.1900% | ▼0.0501% | — |
| 2025-07-09 | Morgan Stanley MUFG Securities Co., Ltd. | Position 60,800 shares | Ratio 0.5700% | ▼0.0301% | — |
| 2025-07-08 | Morgan Stanley MUFG Securities Co., Ltd. | Position 63,400 shares | Ratio 0.6000% | ▲0.0100% | — |
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