Rafferty Asset Management, LLC
Position in UMC — United Microelectronics Corp
CIK 1389426
New York, NY
Position in UMC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$208,248,415
+$163,495,212 QoQ
Shares Held
7,653,378
+53.6% QoQ
Ownership
0.305%
of shares outstanding
% of Portfolio
0.53%
of 13F equity value
Holder Rank
#8
of 363 holders
Holding Since
Sep 2021
20 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in UMC Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026Rafferty Asset Management, LLC holds $20,227,521,535 across 26 Semiconductors names. UMC ranks #19 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MU |
Micron Technology Inc
|
3,081,122 | $3,556,508,313 | |
| 2 | NVDA |
Nvidia Corp
|
12,793,123 | $2,559,775,981 | |
| 3 | AMD |
Advanced Micro Devices Inc
|
3,455,156 | $2,007,134,671 | |
| 4 | AVGO |
Broadcom Inc.
|
4,476,607 | $1,691,038,294 | |
| 5 | INTC |
Intel Corp
|
11,127,772 | $1,553,770,804 | |
| 6 | MRVL |
Marvell Technology, Inc.
|
4,090,492 | $1,218,516,661 | |
| 7 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
2,004,572 | $957,323,450 | |
| 8 | TXN |
Texas Instruments Inc
|
2,761,559 | $823,137,891 |
All Filings in UMC
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $208,248,415 | 7,653,378 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $44,753,203 | 4,983,653 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $50,915,743 | 6,477,830 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $47,152,913 | 6,220,701 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $64,283,439 | 8,403,064 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $39,872,532 | 5,576,578 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $40,080,539 | 6,175,738 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $54,607,884 | 6,485,497 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $52,035,433 | 5,940,118 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $53,620,455 | 6,627,992 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $37,522,121 | 4,435,239 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $28,805,174 | 4,080,053 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $33,613,009 | 4,260,204 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $29,141,988 | 3,326,711 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $18,686,548 | 2,861,646 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $15,183,329 | 2,725,912 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $18,043,654 | 2,665,237 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $30,781,687 | 3,375,185 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $33,477,923 | 2,861,361 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $21,030,594 | 1,839,947 | Shares | Sole | 2021-11-10 | |
| No filing history on record for this holder in this stock. | ||||||