Funds Shorting United Microelectronics Corporation - Depositary Receipt (Common Stock)
This page shows institutions, funds, and major shareholders that have reported short positions in their last reporting period. We consider put option positions to be short positions and include all institutions that have disclosed put options here. Green rows indicate new positions. Red rows indicate closed positions. Click the link icon to see the full transaction history.
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| File Date | Source | Investor | Type | Avg Price (Est) |
Shares | Δ Shares (%) |
Reported Value ($1000) |
Δ Value (%) |
Port Alloc (%) |
|
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-14 | 13F | Group One Trading, L.p. | Put | 100 | -97.22 | 1 | -100.00 | |||
| 2025-08-14 | 13F | Sculptor Capital LP | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F | SIH Partners, LLLP | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F | Susquehanna International Group, Llp | Put | 166,300 | 351.90 | 1,272 | 383.65 | |||
| 2025-08-13 | 13F | Walleye Capital LLC | Put | 51,200 | 25,500.00 | 392 | 39,000.00 | |||
| 2025-08-12 | 13F | Clear Street Markets Llc | Put | 200 | 2 | |||||
| 2025-08-14 | 13F | Jane Street Group, Llc | Put | 780,000 | -0.36 | 5,967 | 6.61 | |||
| 2025-08-13 | 13F | Walleye Trading LLC | Put | 23,100 | -93.35 | 177 | -92.91 | |||
| 2025-04-14 | 13F | IMC-Chicago, LLC | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-14 | 13F | Parallax Volatility Advisers, L.P. | Put | 20,000 | 0.00 | 153 | 6.99 | |||
| 2025-08-14 | 13F | Citadel Advisors Llc | Put | 64,200 | 13.63 | 491 | 21.84 | |||
| 2025-08-05 | 13F | Simplex Trading, Llc | Put | 7,200 | -50.34 | 0 | ||||
| 2025-08-12 | 13F | Proequities, Inc. | Put | 0 | 0 |
