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O'SHAUGHNESSY ASSET MANAGEMENT, LLC

Position in UMC — United Microelectronics Corp

CIK 1423442 Stamford, CT

Position in UMC

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$3,831,236
+$819,960 QoQ
Shares Held
426,641
+11.4% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 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)

Position in Semiconductors

Technology · as of Mar 31, 2026

O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $1,560,219,862 across 33 Semiconductors names. UMC ranks #15 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UMC

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,831,236 426,641
2025-12-31 $3,011,276 383,114
2025-09-30 $2,799,369 369,310
2025-06-30 $2,949,312 385,531
2025-03-31 $2,204,688 308,348
2024-12-31 $1,913,316 294,810
2024-09-30 $3,076,263 365,352
2024-06-30 $3,147,748 359,332
2024-03-31 $2,860,834 353,626
2023-12-31 $2,877,398 340,118
2023-09-30 $2,307,031 326,775
2023-06-30 $2,496,822 316,454
2023-03-31 $2,809,174 320,682
2022-12-31 $2,249,931 344,553
2022-09-30 $1,772,374 318,200
2022-06-30 $2,386,106 352,453
2022-03-31 $3,912,525 429,005
2021-12-31 $6,555,135 560,268
2021-09-30 $7,831,515 685,172
2021-06-30 $8,002,694 846,846
2021-03-31 $7,471,830 820,179
2020-12-31 $6,392,991 758,362
2020-09-30 $3,162,161 660,159
2020-06-30 $1,037,549 393,011
2020-03-31 $239,353 110,301