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
Market cap
13F value held
$4.0B
visible holders
Holders
385
filers reporting
Concentration
21.23%
BlackRock, Inc. #1
top holder share
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.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$858M31.5M0.01%Q2 2026
02
UBS Group AG
CIK 0001610520
$321M11.8M0.04%Q2 2026
03
GOLDMAN SACHS GROUP INC
CIK 0000886982
$302M11.1M0.03%Q2 2026
04
BANK OF AMERICA CORP /DE/
CIK 0000070858
$277M10.2M0.02%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$234M8.6M0.01%Q2 2026
06
MORGAN STANLEY
CIK 0000895421
$225M8.3M0.01%Q2 2026
07
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$210M7.7M0.07%Q2 2026
08
Rafferty Asset Management, LLC
CIK 0001389426
$208M7.7M0.47%Q2 2026
09
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$155M5.7M0.01%Q2 2026
10
Man Group plc
CIK 0001637460
$152M5.6M0.24%Q2 2026
11
CITIGROUP INC
CIK 0000831001
$147M5.4M0.05%Q2 2026
12
BARCLAYS PLC
CIK 0000312069
$133M4.9M0.03%Q2 2026
13
STATE STREET CORP
CIK 0000093751
$133M4.9M0.00%Q2 2026
14
Tidal Investments LLC
CIK 0001600064
$123M4.5M0.21%Q2 2026
15
Neuberger Berman Group LLC
CIK 0001465109
$111M4.1M0.07%Q2 2026
16
NORTHERN TRUST CORP
CIK 0000073124· Index
$108M4.0M0.01%Q2 2026
17
JPMORGAN CHASE & CO
CIK 0000019617
$98M3.7M0.01%Q2 2026
18
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$88M3.2M0.02%Q2 2026
19
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$84M3.1M0.06%Q2 2026
20
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$73M8.1M0.10%Q1 2026
Page 1 of 20
365 more holders available. Log in →
Insiders at UNITED MICROELECTRONICS CORP
Liu ChitungHu Che-Jen