Position in UMC
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$3,088,171
+$2,434,975 QoQ
Shares Held
113,494
+56.0% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#96
of 363 holders
Holding Since
Sep 2023
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in UMC Over Time
Shares Held
Position Value (USD)
Derivatives in UMC
reported options exposure · as of Jun 30, 2026CallValue
$3,564,510
CallShares
131,000
PutValue
$6,726,312
PutShares
247,200
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Semiconductors
Technology · as of Jun 30, 2026Walleye Capital LLC holds $888,218,709 across 48 Semiconductors names. UMC ranks #26 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MU |
Micron Technology Inc
|
106,659 | $123,115,417 | |
| 2 | AMD |
Advanced Micro Devices Inc
|
183,136 | $106,385,533 | |
| 3 | MRVL |
Marvell Technology, Inc.
|
214,732 | $63,966,515 | |
| 4 | ADI |
Analog Devices Inc
|
137,616 | $54,656,946 | |
| 5 | CRDO |
Credo Technology Group Holding Ltd
|
194,736 | $52,958,455 | |
| 6 | TXN |
Texas Instruments Inc
|
162,712 | $48,499,565 | |
| 7 | STM |
STMicroelectronics N.V.
|
633,205 | $47,420,722 | |
| 8 | MCHP |
Microchip Technology Inc
|
580,700 | $45,714,840 |
All Filings in UMC
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,564,510 | 131,000 | Call | Sole | 2026-08-03 | |
| 2026-06-30 | $6,726,312 | 247,200 | Put | Sole | 2026-08-03 | |
| 2026-06-30 | $3,088,171 | 113,494 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $1,372,144 | 152,800 | Call | Sole | 2026-05-13 | |
| 2026-03-31 | $653,196 | 72,739 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $1,216,790 | 135,500 | Put | Sole | 2026-05-13 | |
| 2025-12-31 | $127,646 | 16,240 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $157,200 | 20,000 | Put | Sole | 2026-02-13 | |
| 2025-12-31 | $25,938 | 3,300 | Call | Sole | 2026-02-13 | |
| 2025-09-30 | $151,600 | 20,000 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $100,814 | 13,300 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $391,680 | 51,200 | Put | Sole | 2025-08-13 | |
| 2025-06-30 | $5,263 | 688 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $515,414 | 72,086 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $207,350 | 29,000 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $1,430 | 200 | Put | Sole | 2025-05-14 | |
| 2024-12-31 | $323,202 | 49,800 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $40,238 | 6,200 | Put | Sole | 2025-02-13 | |
| 2024-09-30 | $50,520 | 6,000 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $742,921 | 88,233 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $175,136 | 20,800 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $645,612 | 73,700 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $1,563,765 | 178,512 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $517,760 | 64,000 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $61,055 | 7,547 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $541,440 | 64,000 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $83,754 | 9,900 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $282,400 | 40,000 | Call | Sole | 2023-11-21 | |
| No filing history on record for this holder in this stock. | ||||||