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West Family Investments, Inc.

Position in UMC — United Microelectronics Corp

CIK 1568303 CARLSBAD, CA

Position in UMC

as of Jun 30, 2026 · filed Aug 10, 2026
Position Value
$2,513,986
+$1,388,577 QoQ
Shares Held
92,392
-26.3% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.77%
of 13F equity value
Holder Rank
#104
of 363 holders
Holding Since
Jun 2021
21 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, 2026

West Family Investments, Inc. holds $47,615,031 across 18 Semiconductors names. UMC ranks #6 (5.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 UMC
United Microelectronics Corp
This page
92,392 $2,513,986

All Filings in UMC

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21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,513,986 92,392
2026-03-31 $1,125,409 125,324
2025-12-31 $1,199,270 152,579
2025-09-30 $1,313,204 173,246
2025-06-30 $1,435,874 187,696
2025-03-31 $977,912 136,771
2024-12-31 $889,019 136,983
2024-09-30 $1,192,785 141,661
2024-06-30 $1,159,534 132,367
2024-03-31 $1,079,634 133,453
2023-12-31 $1,119,748 132,358
2023-09-30 $963,442 136,465
2023-06-30 $1,077,071 136,511
2023-03-31 $1,153,499 131,678
2022-12-31 $856,546 131,171
2022-09-30 $634,161 113,853
2022-06-30 $374,204 55,274
2022-03-31 $608,842 66,759
2021-12-31 $451,877 38,622
2021-09-30 $518,270 45,343
2021-06-30 $576,497 61,005