Robeco Institutional Asset Management B.V.
Position in UMC — United Microelectronics Corp
CIK 1418773
ROTTERDAM, P7
Position in UMC
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$2,797,557
+$873,657 QoQ
Shares Held
311,532
+27.3% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in UMC Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026Robeco Institutional Asset Management B.V. holds $7,695,976,657 across 22 Semiconductors names. UMC ranks #21 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
26,242,708 | $4,576,728,275 | |
| 2 | AVGO |
Broadcom Inc.
|
3,916,288 | $1,212,130,298 | |
| 3 | ADI |
Analog Devices Inc
|
1,326,477 | $422,005,392 | |
| 4 | MU |
Micron Technology Inc
|
972,166 | $328,436,561 | |
| 5 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
909,998 | $307,533,824 | |
| 6 | QCOM |
Qualcomm Inc/De
|
1,633,408 | $210,350,282 | |
| 7 | AMD |
Advanced Micro Devices Inc
|
911,582 | $185,443,126 | |
| 8 | INTC |
Intel Corp
|
2,155,129 | $95,105,842 |
All Filings in UMC
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,797,557 | 311,532 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $1,923,900 | 244,771 | Shares | Defined | 2026-01-23 | |
| No filing history on record for this holder in this stock. | ||||||