OPT Holding,Inc. 2389Short Interest
Estimated short interest in OPT Holding,Inc. (2389) is 5.32% of shares outstanding as of 2025-10-29. No institution currently holds 0.5% or more.
Estimated short interest
5.3200%
▼0.1500%
Estimated position (shares)
1,082,843
As of 2025-10-29
Short sellers
13 firms
718 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.
- Two Sigma Equity Spectrum Portfolio, LLC
- UBS AG
- Man Solutions Limited
- Nomura Securities Co., Ltd.
- Nomura International plc
- Others
5.3200%
Estimated short interest, 2025-10-29
Others2.92%
Nomura International plc0.47%
Nomura Securities Co., Ltd.0.48%
Man Solutions Limited0.48%
UBS AG0.48%
Two Sigma Equity Spectrum Portfolio, LLC0.49%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2023-12-05 | Two Sigma Equity Spectrum Portfolio, LLC | Position 86,800 shares | Ratio 0.4900% | ▼0.0101% | Below 0.5% |
| 2022-03-23 | UBS AG | Position 115,000 shares | Ratio 0.4800% | ▼0.0501% | Below 0.5% |
| 2024-02-28 | Man Solutions Limited | Position 84,300 shares | Ratio 0.4800% | ▼0.0801% | Below 0.5% |
| 2025-02-05 | Nomura Securities Co., Ltd. | Position 84,645 shares | Ratio 0.4800% | ▼0.0301% | Below 0.5% |
| 2022-06-08 | Nomura International plc | Position 113,900 shares | Ratio 0.4700% | ▼0.1000% | Below 0.5% |
| 2025-10-06 | MERRILL LYNCH INTERNATIONAL | Position 79,894 shares | Ratio 0.4500% | ▼0.0600% | Below 0.5% |
| 2025-10-09 | Barclays Capital Securities Ltd | Position 80,092 shares | Ratio 0.4500% | ▼0.1400% | Below 0.5% |
| 2025-10-29 | Morgan Stanley MUFG Securities Co., Ltd. | Position 79,139 shares | Ratio 0.4400% | ▼0.1500% | Below 0.5% |
| 2019-07-17 | Deutsche Bank Aktiengesellschaft, London | Position 95,400 shares | Ratio 0.4000% | ▼0.1000% | Below 0.5% |
| 2022-02-24 | Citigroup Global Markets Limited | Position 95,125 shares | Ratio 0.3900% | ▼2.5300% | Below 0.5% |
| 2025-10-20 | GOLDMAN SACHS INTERNATIONAL | Position 67,048 shares | Ratio 0.3700% | ▼0.3500% | Below 0.5% |
| 2019-09-11 | Credit Suisse Securities (Europe) Limited | Position 70,200 shares | Ratio 0.2900% | ▼0.2100% | Below 0.5% |
| 2023-07-28 | Integrated Core Strategies (Asia) Pte. Ltd. | Position 31,300 shares | Ratio 0.1300% | ▼0.9000% | Below 0.5% |
| 2021-11-08 | Credit Suisse AG | Position 0 shares | Ratio 0.0000% | ▼1.0600% | Closed |
| 2022-03-07 | JPM Securities Japan Co Ltd. | Position 0 shares | Ratio 0.0000% | ▼1.3200% | Closed |
Disclosure History 718 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2025-10-29 | Morgan Stanley MUFG Securities Co., Ltd. | Position 79,139 shares | Ratio 0.4400% | ▼0.1500% | Below 0.5% |
| 2025-10-27 | Morgan Stanley MUFG Securities Co., Ltd. | Position 106,939 shares | Ratio 0.5900% | ▼0.0701% | — |
| 2025-10-22 | Morgan Stanley MUFG Securities Co., Ltd. | Position 119,839 shares | Ratio 0.6600% | ▼0.1700% | — |
| 2025-10-21 | Morgan Stanley MUFG Securities Co., Ltd. | Position 150,339 shares | Ratio 0.8300% | ▼0.1300% | — |
| 2025-10-20 | GOLDMAN SACHS INTERNATIONAL | Position 67,048 shares | Ratio 0.3700% | ▼0.3500% | Below 0.5% |
| 2025-10-17 | GOLDMAN SACHS INTERNATIONAL | Position 126,848 shares | Ratio 0.7200% | ▲0.2099% | — |
| 2025-10-16 | GOLDMAN SACHS INTERNATIONAL | Position 90,348 shares | Ratio 0.5100% | ▲0.0800% | — |
| 2025-10-15 | Morgan Stanley MUFG Securities Co., Ltd. | Position 167,939 shares | Ratio 0.9600% | ▲0.0699% | — |
| 2025-10-14 | Morgan Stanley MUFG Securities Co., Ltd. | Position 156,439 shares | Ratio 0.8900% | ▼0.0401% | — |
| 2025-10-09 | Barclays Capital Securities Ltd | Position 80,092 shares | Ratio 0.4500% | ▼0.1400% | Below 0.5% |
| 2025-10-09 | Morgan Stanley MUFG Securities Co., Ltd. | Position 163,339 shares | Ratio 0.9300% | ▼0.2300% | — |
| 2025-10-06 | MERRILL LYNCH INTERNATIONAL | Position 79,894 shares | Ratio 0.4500% | ▼0.0600% | Below 0.5% |
| 2025-10-03 | MERRILL LYNCH INTERNATIONAL | Position 89,794 shares | Ratio 0.5100% | ▼0.0301% | — |
| 2025-10-03 | Barclays Capital Securities Ltd | Position 103,292 shares | Ratio 0.5900% | ▼0.0201% | — |
| 2025-10-02 | MERRILL LYNCH INTERNATIONAL | Position 95,594 shares | Ratio 0.5400% | ▼0.0600% | — |
| 2025-10-01 | MERRILL LYNCH INTERNATIONAL | Position 104,894 shares | Ratio 0.6000% | ▼0.0401% | — |
| 2025-10-01 | Barclays Capital Securities Ltd | Position 107,292 shares | Ratio 0.6100% | ▲0.0899% | — |
| 2025-09-30 | MERRILL LYNCH INTERNATIONAL | Position 112,394 shares | Ratio 0.6400% | ▼0.0401% | — |
| 2025-09-29 | MERRILL LYNCH INTERNATIONAL | Position 119,194 shares | Ratio 0.6800% | ▼0.0300% | — |
| 2025-09-26 | MERRILL LYNCH INTERNATIONAL | Position 125,394 shares | Ratio 0.7100% | ▼0.0801% | — |
| 2025-09-25 | MERRILL LYNCH INTERNATIONAL | Position 137,994 shares | Ratio 0.7900% | ▼0.0600% | — |
| 2025-09-25 | Barclays Capital Securities Ltd | Position 91,392 shares | Ratio 0.5200% | ▲0.2100% | — |
| 2025-09-25 | Morgan Stanley MUFG Securities Co., Ltd. | Position 203,639 shares | Ratio 1.1600% | ▼0.1101% | — |
| 2025-09-24 | Morgan Stanley MUFG Securities Co., Ltd. | Position 222,439 shares | Ratio 1.2700% | ▲0.1000% | — |
| 2025-09-22 | MERRILL LYNCH INTERNATIONAL | Position 148,694 shares | Ratio 0.8500% | ▼0.0801% | — |
| 2025-09-22 | Morgan Stanley MUFG Securities Co., Ltd. | Position 205,523 shares | Ratio 1.1700% | ▼0.0601% | — |
| 2025-09-19 | MERRILL LYNCH INTERNATIONAL | Position 163,394 shares | Ratio 0.9300% | ▼0.0700% | — |
| 2025-09-19 | Barclays Capital Securities Ltd | Position 78,192 shares | Ratio 0.4400% | ▼0.1400% | Below 0.5% |
| 2025-09-19 | Morgan Stanley MUFG Securities Co., Ltd. | Position 216,223 shares | Ratio 1.2300% | ▼0.0801% | — |
| 2025-09-18 | MERRILL LYNCH INTERNATIONAL | Position 176,094 shares | Ratio 1.0000% | ▼0.0501% | — |
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