m-up holdings,Inc. 3661Short Interest
Estimated short interest in m-up holdings,Inc. (3661) is 11.02% of shares outstanding as of 2026-09-28. Institutions holding 0.5% or more: JPMorgan Securities Japan Co., Ltd., J.P. MORGAN SECURITIES PLC, Barclays Capital Securities Ltd.
Estimated short interest
11.0200%
▲0.0800%
Estimated position (shares)
3,591,837
As of 2026-09-28
Short sellers
24 firms
2141 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.
- JPMorgan Securities Japan Co., Ltd.
- J.P. MORGAN SECURITIES PLC
- Barclays Capital Securities Ltd
- GOLDMAN SACHS INTERNATIONAL
- Morgan Stanley MUFG Securities Co., Ltd.
- Others
11.0200%
Estimated short interest, 2026-09-28
Others7.04%
Morgan Stanley MUFG Securities Co., Ltd.0.49%
GOLDMAN SACHS INTERNATIONAL0.49%
Barclays Capital Securities Ltd0.60%
J.P. MORGAN SECURITIES PLC0.94%
JPMorgan Securities Japan Co., Ltd.1.46%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2017-10-31 | JPMorgan Securities Japan Co., Ltd. | Position 109,100 shares | Ratio 1.4600% | ▲0.1199% | Holding |
| 2026-09-01 | J.P. MORGAN SECURITIES PLC | Position 687,400 shares | Ratio 0.9400% | ▲0.2500% | Holding |
| 2026-09-28 | Barclays Capital Securities Ltd | Position 439,900 shares | Ratio 0.6000% | ▲0.0799% | Holding |
| 2024-09-26 | Morgan Stanley MUFG Securities Co., Ltd. | Position 179,907 shares | Ratio 0.4900% | ▼0.0800% | Below 0.5% |
| 2018-03-22 | A.R.T. International Holdings (BVI) Ltd. | Position 37,100 shares | Ratio 0.4900% | ▼0.0900% | Below 0.5% |
| 2025-08-28 | GOLDMAN SACHS INTERNATIONAL | Position 179,243 shares | Ratio 0.4900% | ▼0.0601% | Below 0.5% |
| 2023-11-08 | Campbell Equity Alpha Master Fund LP | Position 179,300 shares | Ratio 0.4900% | ▼0.0101% | Below 0.5% |
| 2026-06-01 | Nomura Securities Co., Ltd. | Position 362,252 shares | Ratio 0.4900% | ▼0.0101% | Below 0.5% |
| 2019-06-11 | Deutsche Bank Aktiengesellschaft, London | Position 43,900 shares | Ratio 0.4800% | ▼0.1100% | Below 0.5% |
| 2022-12-19 | Barclays Bank PLC | Position 176,500 shares | Ratio 0.4800% | ▼0.0201% | Below 0.5% |
| 2020-02-21 | UBS AG | Position 42,400 shares | Ratio 0.4600% | ▼0.1300% | Below 0.5% |
| 2020-02-19 | PDT Partners, LLC | Position 40,900 shares | Ratio 0.4400% | ▼0.0600% | Below 0.5% |
| 2022-05-20 | Segregated Portfolio D | Position 161,300 shares | Ratio 0.4400% | ▼0.0801% | Below 0.5% |
| 2026-05-11 | Nomura International plc | Position 315,962 shares | Ratio 0.4300% | ▼0.1301% | Below 0.5% |
| 2024-07-11 | MERRILL LYNCH INTERNATIONAL | Position 158,781 shares | Ratio 0.4300% | ▼0.0801% | Below 0.5% |
| 2020-08-18 | Credit Suisse AG | Position 38,500 shares | Ratio 0.4200% | ▼0.7800% | Below 0.5% |
| 2024-05-16 | JPM Securities Japan Co Ltd. | Position 145,671 shares | Ratio 0.3900% | ▼0.2300% | Below 0.5% |
| 2019-10-11 | Individual | Position 34,900 shares | Ratio 0.3800% | ▼0.1801% | Below 0.5% |
| 2023-02-14 | Integrated Core Strategies (Asia) Pte. Ltd. | Position 121,221 shares | Ratio 0.3300% | ▼0.1700% | Below 0.5% |
| 2019-11-26 | Credit Suisse Securities (Europe) Limited | Position 23,200 shares | Ratio 0.2500% | ▼0.6300% | Below 0.5% |
| 2019-08-16 | Citigroup Global Markets Limited | Position 20,900 shares | Ratio 0.2200% | ▼0.4000% | Below 0.5% |
| 2024-03-21 | BNP Paribas Financial Markets SNC formerly known as BNP Paribas Arbitrage SNC | Position 74,900 shares | Ratio 0.2000% | ▼0.3900% | Below 0.5% |
| 2018-09-07 | JANE STREET GLOBAL TRADING, LLC | Position 9,800 shares | Ratio 0.1300% | ▼0.5600% | Below 0.5% |
| 2019-12-05 | Credit Suisse Securities (Japan) Limited | Position 8,800 shares | Ratio 0.0900% | ▼0.5701% | Below 0.5% |
| 2018-11-06 | Barclays Securities Japan Limited (BSJL) | Position 0 shares | Ratio 0.0000% | ▼0.8300% | Closed |
| 2023-09-04 | BNP Paribas Arbitrage SNC | Position 0 shares | Ratio 0.0000% | ▼0.5900% | Closed |
Disclosure History 2141 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-28 | Barclays Capital Securities Ltd | Position 439,900 shares | Ratio 0.6000% | ▲0.0799% | — |
| 2026-09-09 | Barclays Capital Securities Ltd | Position 386,479 shares | Ratio 0.5200% | ▼0.2100% | — |
| 2026-09-01 | J.P. MORGAN SECURITIES PLC | Position 687,400 shares | Ratio 0.9400% | ▲0.2500% | — |
| 2026-09-01 | Barclays Capital Securities Ltd | Position 537,521 shares | Ratio 0.7300% | ▲0.0400% | — |
| 2026-08-31 | Barclays Capital Securities Ltd | Position 507,621 shares | Ratio 0.6900% | ▼0.0601% | — |
| 2026-08-27 | J.P. MORGAN SECURITIES PLC | Position 507,800 shares | Ratio 0.6900% | ▲0.6899% | — |
| 2026-08-24 | Barclays Capital Securities Ltd | Position 551,700 shares | Ratio 0.7500% | ▲0.0799% | — |
| 2026-08-18 | Barclays Capital Securities Ltd | Position 492,700 shares | Ratio 0.6700% | ▲0.1099% | — |
| 2026-08-14 | Barclays Capital Securities Ltd | Position 415,900 shares | Ratio 0.5600% | ▼0.0700% | — |
| 2026-08-06 | Barclays Capital Securities Ltd | Position 464,200 shares | Ratio 0.6300% | ▲0.0400% | — |
| 2026-08-05 | Barclays Capital Securities Ltd | Position 431,500 shares | Ratio 0.5900% | ▼0.0401% | — |
| 2026-08-04 | Barclays Capital Securities Ltd | Position 464,800 shares | Ratio 0.6300% | ▲0.0799% | — |
| 2026-07-30 | Barclays Capital Securities Ltd | Position 402,300 shares | Ratio 0.5500% | ▲0.0600% | — |
| 2026-07-29 | Barclays Capital Securities Ltd | Position 361,300 shares | Ratio 0.4900% | ▼0.0501% | Below 0.5% |
| 2026-07-27 | Barclays Capital Securities Ltd | Position 400,300 shares | Ratio 0.5400% | ▼0.0600% | — |
| 2026-07-23 | Barclays Capital Securities Ltd | Position 444,600 shares | Ratio 0.6000% | ▲0.0799% | — |
| 2026-07-16 | Barclays Capital Securities Ltd | Position 379,700 shares | Ratio 0.5200% | ▲0.1200% | — |
| 2026-06-26 | Barclays Capital Securities Ltd | Position 323,212 shares | Ratio 0.4400% | ▼0.0901% | Below 0.5% |
| 2026-06-25 | Barclays Capital Securities Ltd | Position 387,700 shares | Ratio 0.5300% | ▲0.0700% | — |
| 2026-06-24 | Barclays Capital Securities Ltd | Position 341,500 shares | Ratio 0.4600% | ▼0.0500% | Below 0.5% |
| 2026-06-23 | Barclays Capital Securities Ltd | Position 374,200 shares | Ratio 0.5100% | ▲0.0200% | — |
| 2026-06-17 | Barclays Capital Securities Ltd | Position 362,300 shares | Ratio 0.4900% | ▼0.0301% | Below 0.5% |
| 2026-06-16 | Barclays Capital Securities Ltd | Position 386,200 shares | Ratio 0.5200% | ▲0.1100% | — |
| 2026-06-01 | Nomura Securities Co., Ltd. | Position 362,252 shares | Ratio 0.4900% | ▼0.0101% | Below 0.5% |
| 2026-05-22 | Nomura Securities Co., Ltd. | Position 365,752 shares | Ratio 0.5000% | ▲0.0100% | — |
| 2026-05-19 | Nomura Securities Co., Ltd. | Position 360,752 shares | Ratio 0.4900% | ▼0.0101% | Below 0.5% |
| 2026-05-11 | Nomura International plc | Position 315,962 shares | Ratio 0.4300% | ▼0.1301% | Below 0.5% |
| 2026-05-07 | Nomura International plc | Position 411,367 shares | Ratio 0.5600% | ▼0.1100% | — |
| 2026-04-30 | Nomura International plc | Position 491,325 shares | Ratio 0.6700% | ▼0.1200% | — |
| 2026-04-28 | Nomura International plc | Position 580,176 shares | Ratio 0.7900% | ▼0.0600% | — |
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