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Equibles

CITADEL ADVISORS LLC

Position in UMC — United Microelectronics Corp

CIK 1423053 MIAMI, FL
Back to UMC Full portfolio

Position in UMC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,718,399
-$1,154,192 QoQ
Shares Held
210,158
-72.5% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#61
of 363 holders
Holding Since
Mar 2020
26 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, 2026
CallValue
$21,555,762
CallShares
792,200
PutValue
$13,561,464
PutShares
498,400

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, 2026

CITADEL ADVISORS LLC holds $9,261,295,559 across 59 Semiconductors names. UMC ranks #36 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 NVDA
Nvidia Corp
 11,815,467 $2,364,156,791
2 AVGO
Broadcom Inc.
 2,901,715 $1,096,122,840
3 AMD
Advanced Micro Devices Inc
 1,599,430 $929,124,881
4 MU
Micron Technology Inc
 600,523 $693,177,692
5 TXN
Texas Instruments Inc
 2,055,598 $612,712,095
6 INTC
Intel Corp
 4,218,311 $589,002,764
7 STM
STMicroelectronics N.V.
 3,852,113 $288,484,742
8 CBRS
Cerebras Systems Inc.
 1,248,170 $275,845,570

All Filings in UMC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $21,555,762 792,200
2026-06-30 $5,718,399 210,158
2026-06-30 $13,561,464 498,400
2026-03-31 $1,155,726 128,700
2026-03-31 $6,872,591 765,322
2026-03-31 $1,484,394 165,300
2025-12-31 $277,458 35,300
2025-12-31 $848,880 108,000
2025-12-31 $8,837,076 1,124,310
2025-09-30 $223,610 29,500
2025-09-30 $383,085 50,539
2025-09-30 $1,026,332 135,400
2025-06-30 $491,130 64,200
2025-06-30 $211,905 27,700
2025-06-30 $4,535,524 592,879
2025-03-31 $18,618,728 2,604,018
2025-03-31 $403,975 56,500
2025-03-31 $210,210 29,400
2024-12-31 $17,042,421 2,625,951
2024-12-31 $21,417 3,300
2024-12-31 $1,556,302 239,800
2024-09-30 $612,976 72,800
2024-09-30 $10,603,693 1,259,346
2024-09-30 $607,082 72,100
2024-06-30 $103,368 11,800
2024-06-30 $828,696 94,600
2024-06-30 $6,324,868 722,017
2024-03-31 $320,364 39,600
2024-03-31 $187,688 23,200
2023-12-31 $887,454 104,900
2023-12-31 $114,413 13,524
2023-12-31 $300,330 35,500
2023-09-30 $865,294 122,563
2023-09-30 $490,670 69,500
2023-09-30 $868,380 123,000
2023-06-30 $198,685 25,182
2023-06-30 $1,024,911 129,900
2023-06-30 $987,828 125,200
2023-03-31 $7,605,379 868,194
2023-03-31 $3,948,132 450,700
2023-03-31 $596,556 68,100
2022-12-31 $3,368,174 515,800
2022-12-31 $1,266,676 193,978
2022-12-31 $4,479,580 686,000
2022-09-30 $2,290,818 411,278
2022-09-30 $7,922,211 1,422,300
2022-09-30 $4,975,681 893,300
2022-06-30 $7,684,627 1,135,100
2022-06-30 $783,600 115,746
2022-06-30 $3,496,705 516,500

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