DOSSIER · 13F Holders · Q2 2026Technology · Semiconductors & Related Devices
UMC
UNITED MICROELECTRONICS CORP
385 institutions still hold UNITED MICROELECTRONICS CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 910873405·Semiconductors & Related Devices·385 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q2 2026
385 institutions reported UMC in Q2 2026. BlackRock, Inc. leads at 21.2% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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