UMCUnited Microelectronics Corporation

$19.03

Who owns UMC

302 institutions reported holding UMC for 2026Q1, together 6.9% of the company, more than the 260 a quarter earlier.

302

Institutions reporting a position · as of 2026Q1 · up from 260 the quarter before

Shares held by institutions
173.7M

Shares held by institutions · 6.9% of the company · long US equity positions only, as reported on Form 13F

Reported value
$1.56B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
2.9%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
64
Positions exited
26
Added to
130
Reduced
52
Top 10 holdersof the company
4.2%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q1302173.7M$1.56B
2025Q4260150.5M$1.18B
2025Q3234131.9M$999M
2025Q2232150.6M$1.15B
2025Q1227154.1M$1.10B
2024Q4248159.7M$1.04B
2024Q3264160.2M$1.35B
2024Q2234131.8M$1.15B
2024Q1237131.5M$1.06B
2023Q4245121.5M$1.03B
2023Q3213128.9M$910M
2023Q2215126.4M$999M
2023Q1216132.6M$1.15B
2022Q4217132.8M$871M
2022Q3222133.1M$743M
2022Q2220125.9M$866M
Largest reported holders, 2026Q1
HolderShares% of companyValue
BlackRock Inc.27.5M1.1%$247M
AQR CAPITAL MANAGEMENT LLC14.7M0.59%$132M
VANGUARD GROUP INC12.7M0.51%$114M
TWO SIGMA INVESTMENTS, LP9.7M0.39%$87M
MORGAN STANLEY8.8M0.35%$79M
UBS Group AG8.2M0.33%$73M
ACADIAN ASSET MANAGEMENT LLC8.1M0.32%$73M
GOLDMAN SACHS GROUP INC5.9M0.23%$53M
Man Group plc5.7M0.23%$51M
Qube Research & Technologies Ltd5.1M0.20%$46M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

reading the register…