RIKEN TECHNOS CORPORATION 4220Short Interest
Estimated short interest in RIKEN TECHNOS CORPORATION (4220) is 0.99% of shares outstanding as of 2026-09-28. Institutions holding 0.5% or more: Barclays Capital Securities Ltd.
Estimated short interest
0.99%
▲0.01%
Estimated position (shares)
516,377
As of 2026-09-28
Short sellers
2 firms
25 reports
Short Interest Trend Last 5 years, by institution, % of shares outstanding
Estimated short interest, stacking the latest reported position of each short seller. The 2 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
- Morgan Stanley MUFG Securities Co., Ltd.
0.99%
Estimated short interest, 2026-09-28
Morgan Stanley MUFG Securities Co., Ltd.0.49%
Barclays Capital Securities Ltd0.50%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-09-28 | Barclays Capital Securities Ltd | Position 261,470 shares | Ratio 0.50% | ▲0.07% | Holding |
| 2026-07-17 | Morgan Stanley MUFG Securities Co., Ltd. | Position 254,907 shares | Ratio 0.49% | ▼0.01% | Below 0.5% |
| 2018-01-24 | Mizuho Securities Co., Ltd. | Position 0 shares | Ratio 0.00% | ▼0.56% | Closed |
| 2018-01-23 | GOLDMAN SACHS INTERNATIONAL | Position 0 shares | Ratio 0.00% | ▼0.59% | Closed |
Disclosure History 25 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-28 | Barclays Capital Securities Ltd | Position 261,470 shares | Ratio 0.50% | ▲0.07% | — |
| 2026-08-10 | Barclays Capital Securities Ltd | Position 255,177 shares | Ratio 0.49% | ▼0.07% | Below 0.5% |
| 2026-08-06 | Barclays Capital Securities Ltd | Position 291,176 shares | Ratio 0.56% | ▼0.11% | — |
| 2026-08-04 | Barclays Capital Securities Ltd | Position 345,476 shares | Ratio 0.67% | ▼0.10% | — |
| 2026-08-03 | Barclays Capital Securities Ltd | Position 398,576 shares | Ratio 0.77% | ▼0.10% | — |
| 2026-07-22 | Barclays Capital Securities Ltd | Position 450,476 shares | Ratio 0.87% | ▲0.10% | — |
| 2026-07-17 | Morgan Stanley MUFG Securities Co., Ltd. | Position 254,907 shares | Ratio 0.49% | ▼0.01% | Below 0.5% |
| 2026-07-15 | Barclays Capital Securities Ltd | Position 399,412 shares | Ratio 0.77% | ▼0.12% | — |
| 2026-07-14 | Morgan Stanley MUFG Securities Co., Ltd. | Position 258,907 shares | Ratio 0.50% | ▲0.10% | — |
| 2026-07-13 | Barclays Capital Securities Ltd | Position 459,618 shares | Ratio 0.89% | ▼0.09% | — |
| 2026-07-08 | Barclays Capital Securities Ltd | Position 504,525 shares | Ratio 0.98% | ▼0.10% | — |
| 2026-07-06 | Barclays Capital Securities Ltd | Position 554,225 shares | Ratio 1.08% | ▼0.10% | — |
| 2026-06-02 | Barclays Capital Securities Ltd | Position 607,302 shares | Ratio 1.18% | ▲0.27% | — |
| 2026-05-29 | Barclays Capital Securities Ltd | Position 466,702 shares | Ratio 0.91% | ▲0.30% | — |
| 2026-05-28 | Barclays Capital Securities Ltd | Position 316,502 shares | Ratio 0.61% | ▲0.11% | — |
| 2026-05-26 | Barclays Capital Securities Ltd | Position 257,970 shares | Ratio 0.50% | ▲0.08% | — |
| 2018-01-24 | Mizuho Securities Co., Ltd. | Position 0 shares | Ratio 0.00% | ▼0.56% | Closed |
| 2018-01-23 | Mizuho Securities Co., Ltd. | Position 373,287 shares | Ratio 0.56% | ▲0.08% | — |
| 2018-01-23 | GOLDMAN SACHS INTERNATIONAL | Position 0 shares | Ratio 0.00% | ▼0.59% | Closed |
| 2017-11-29 | GOLDMAN SACHS INTERNATIONAL | Position 392,924 shares | Ratio 0.59% | ▼0.03% | — |
| 2017-09-22 | GOLDMAN SACHS INTERNATIONAL | Position 415,824 shares | Ratio 0.62% | ▲0.10% | — |
| 2017-09-12 | Mizuho Securities Co., Ltd. | Position 322,098 shares | Ratio 0.48% | ▼0.42% | Below 0.5% |
| 2017-09-11 | Mizuho Securities Co., Ltd. | Position 599,283 shares | Ratio 0.90% | ▲0.10% | — |
| 2017-08-31 | Mizuho Securities Co., Ltd. | Position 530,083 shares | Ratio 0.80% | ▲0.08% | — |
| 2017-08-30 | Mizuho Securities Co., Ltd. | Position 478,283 shares | Ratio 0.72% | ▲0.12% | — |
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