Position in UMC
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$653,196
+$525,550 QoQ
Shares Held
72,739
+347.9% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
11 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in UMC Over Time
Shares Held
Position Value (USD)
Derivatives in UMC
reported options exposure · as of Mar 31, 2026CallValue
$1,372,144
CallShares
152,800
PutValue
$1,216,790
PutShares
135,500
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 Mar 31, 2026Walleye Capital LLC holds $437,177,823 across 37 Semiconductors names. UMC ranks #27 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
749,480 | $130,709,312 | |
| 2 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
235,328 | $79,529,097 | |
| 3 | AMD |
Advanced Micro Devices Inc
|
221,140 | $44,986,510 | |
| 4 | ADI |
Analog Devices Inc
|
86,012 | $27,363,857 | |
| 5 | QCOM |
Qualcomm Inc/De
|
153,294 | $19,741,201 | |
| 6 | MU |
Micron Technology Inc
|
55,325 | $18,690,998 | |
| 7 | NXPI |
NXP Semiconductors N.V.
|
93,145 | $18,336,524 | |
| 8 | MTSI |
MACOM Technology Solutions Holdings, Inc.
|
70,621 | $15,682,805 |
All Filings in UMC
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||