PIA CORPORATION 4337Short Interest
Estimated short interest in PIA CORPORATION (4337) is 3.21% of shares outstanding as of 2026-09-15. Institutions holding 0.5% or more: Morgan Stanley MUFG Securities Co., Ltd.
Estimated short interest
3.2100%
▲0.0900%
Estimated position (shares)
501,488
As of 2026-09-15
Short sellers
5 firms
171 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.
- Morgan Stanley MUFG Securities Co., Ltd.
- GOLDMAN SACHS INTERNATIONAL
- UBS AG
- MERRILL LYNCH INTERNATIONAL
- Nomura International plc
3.2100%
Estimated short interest, 2026-09-15
Nomura International plc0.45%
MERRILL LYNCH INTERNATIONAL0.48%
UBS AG0.49%
GOLDMAN SACHS INTERNATIONAL0.49%
Morgan Stanley MUFG Securities Co., Ltd.1.30%
Current Positions by Short Seller Latest report of each holder
| Last report | Short seller | Position (shares) | Ratio | Change | Status |
|---|---|---|---|---|---|
| 2026-09-15 | Morgan Stanley MUFG Securities Co., Ltd. | Position 204,177 shares | Ratio 1.3000% | ▲0.0900% | Holding |
| 2020-11-02 | GOLDMAN SACHS INTERNATIONAL | Position 72,787 shares | Ratio 0.4900% | ▼0.0301% | Below 0.5% |
| 2026-03-10 | UBS AG | Position 77,879 shares | Ratio 0.4900% | ▼0.0101% | Below 0.5% |
| 2026-08-20 | MERRILL LYNCH INTERNATIONAL | Position 75,765 shares | Ratio 0.4800% | ▼0.0301% | Below 0.5% |
| 2026-07-10 | Nomura International plc | Position 70,880 shares | Ratio 0.4500% | ▼0.1200% | Below 0.5% |
Disclosure History 171 in total
| Trade date | Short seller | Position (shares) | Ratio | Change | Note |
|---|---|---|---|---|---|
| 2026-09-15 | Morgan Stanley MUFG Securities Co., Ltd. | Position 204,177 shares | Ratio 1.3000% | ▲0.0900% | — |
| 2026-09-07 | Morgan Stanley MUFG Securities Co., Ltd. | Position 190,377 shares | Ratio 1.2100% | ▲0.0800% | — |
| 2026-08-27 | Morgan Stanley MUFG Securities Co., Ltd. | Position 177,877 shares | Ratio 1.1300% | ▲0.0599% | — |
| 2026-08-25 | Morgan Stanley MUFG Securities Co., Ltd. | Position 168,777 shares | Ratio 1.0700% | ▼0.3200% | — |
| 2026-08-20 | MERRILL LYNCH INTERNATIONAL | Position 75,765 shares | Ratio 0.4800% | ▼0.0301% | Below 0.5% |
| 2026-08-19 | MERRILL LYNCH INTERNATIONAL | Position 80,565 shares | Ratio 0.5100% | ▼0.0201% | — |
| 2026-08-18 | MERRILL LYNCH INTERNATIONAL | Position 84,465 shares | Ratio 0.5300% | ▼0.0101% | — |
| 2026-08-17 | MERRILL LYNCH INTERNATIONAL | Position 85,265 shares | Ratio 0.5400% | ▼0.0400% | — |
| 2026-08-17 | Morgan Stanley MUFG Securities Co., Ltd. | Position 218,977 shares | Ratio 1.3900% | ▼0.0101% | — |
| 2026-08-14 | MERRILL LYNCH INTERNATIONAL | Position 91,365 shares | Ratio 0.5800% | ▲0.0299% | — |
| 2026-08-14 | Morgan Stanley MUFG Securities Co., Ltd. | Position 219,777 shares | Ratio 1.4000% | ▲0.0100% | — |
| 2026-08-13 | MERRILL LYNCH INTERNATIONAL | Position 86,665 shares | Ratio 0.5500% | ▼0.0200% | — |
| 2026-08-13 | Morgan Stanley MUFG Securities Co., Ltd. | Position 218,877 shares | Ratio 1.3900% | ▼0.0701% | — |
| 2026-08-12 | MERRILL LYNCH INTERNATIONAL | Position 90,665 shares | Ratio 0.5700% | ▼0.0201% | — |
| 2026-08-07 | Morgan Stanley MUFG Securities Co., Ltd. | Position 228,977 shares | Ratio 1.4600% | ▼0.0501% | — |
| 2026-08-05 | MERRILL LYNCH INTERNATIONAL | Position 93,965 shares | Ratio 0.5900% | ▲0.0499% | — |
| 2026-08-03 | MERRILL LYNCH INTERNATIONAL | Position 85,565 shares | Ratio 0.5400% | ▲0.0100% | — |
| 2026-07-30 | MERRILL LYNCH INTERNATIONAL | Position 84,165 shares | Ratio 0.5300% | ▼0.0101% | — |
| 2026-07-30 | Morgan Stanley MUFG Securities Co., Ltd. | Position 236,877 shares | Ratio 1.5100% | ▲0.0200% | — |
| 2026-07-29 | MERRILL LYNCH INTERNATIONAL | Position 84,765 shares | Ratio 0.5400% | ▼0.0300% | — |
| 2026-07-24 | MERRILL LYNCH INTERNATIONAL | Position 90,465 shares | Ratio 0.5700% | ▲0.0099% | — |
| 2026-07-23 | MERRILL LYNCH INTERNATIONAL | Position 89,165 shares | Ratio 0.5600% | ▲0.0100% | — |
| 2026-07-22 | MERRILL LYNCH INTERNATIONAL | Position 87,565 shares | Ratio 0.5500% | ▲0.0100% | — |
| 2026-07-16 | MERRILL LYNCH INTERNATIONAL | Position 85,665 shares | Ratio 0.5400% | ▲0.0100% | — |
| 2026-07-15 | MERRILL LYNCH INTERNATIONAL | Position 84,565 shares | Ratio 0.5300% | ▲0.0100% | — |
| 2026-07-10 | Nomura International plc | Position 70,880 shares | Ratio 0.4500% | ▼0.1200% | Below 0.5% |
| 2026-07-09 | MERRILL LYNCH INTERNATIONAL | Position 81,965 shares | Ratio 0.5200% | ▲0.0100% | — |
| 2026-07-08 | MERRILL LYNCH INTERNATIONAL | Position 81,265 shares | Ratio 0.5100% | ▼0.0101% | — |
| 2026-07-07 | MERRILL LYNCH INTERNATIONAL | Position 81,965 shares | Ratio 0.5200% | ▼0.0101% | — |
| 2026-07-06 | MERRILL LYNCH INTERNATIONAL | Position 83,165 shares | Ratio 0.5300% | ▼0.0101% | — |
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