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Robeco Institutional Asset Management B.V.

Position in UMC — United Microelectronics Corp

CIK 1418773 ROTTERDAM, P7

Position in UMC

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$5,039,536
+$2,241,979 QoQ
Shares Held
185,209
-40.5% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#69
of 363 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in UMC Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

Robeco Institutional Asset Management B.V. holds $11,438,929,793 across 23 Semiconductors names. UMC ranks #22 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UMC

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,039,536 185,209
2026-03-31 $2,797,557 311,532
2025-12-31 $1,923,900 244,771