Security key
910873405
UNITED MICROELECTRONICS CORP - SPON ADR NEW (UMC)
CUSIP: 910873405
Q4 2023 13F Holders as of 31 Dec 2023
- Security type / class
- Equity / SPON ADR NEW
- Total 13F shares
- 121,520,064
- Total 13F value
- $1,027,830,340
- Share change
- -7,799,852
- Put/Call ratio
- 42%
- SEC-reported price per share
- $8.46
- Number of holders
- 241
- Value change
- -$62,162,098
- Number of buys
- 123
- Number of sells
- 87
Open additional details 1 more signal available
Report period
Q4 2023
Institutions
241
Top holders
10
UMC full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
UNITED MICROELECTRONICS CORP SEC filings
UNITED MICROELECTRONICS CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 910873405
Recent filing periods:
Ownership snapshot
Top reported holders of UMC - UNITED MICROELECTRONICS CORP - SPON ADR NEW (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
0/15
Latest evidence
30 Sep 2023
13F
Highest disclosed value: $145,726,182
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. has the largest disclosed position value at $145.73M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock Finance, Inc.'s linked filing trail.
Disclosed position value
Top 5
BlackRock Finance, Inc.
$145.73M
VANGUARD GROUP INC
$108.97M
CREDIT SUISSE AG/
$82.44M
MORGAN STANLEY
$58.8M
GOLDMAN SACHS GROUP INC
$55.28M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
—
class O/S missing
|
$145,726,182
20,641,102 shares
|
— | 30 Sep 2023 |
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$108,969,653
15,434,795 shares
|
— | 30 Sep 2023 |
| CREDIT SUISSE AG/ |
13F
Company
|
—
class O/S missing
|
$82,441,576
11,677,277 shares
|
— | 30 Sep 2023 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$58,800,549
8,328,688 shares
|
— | 30 Sep 2023 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
class O/S missing
|
$55,278,465
7,829,811 shares
|
— | 30 Sep 2023 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$52,980,182
7,504,275 shares
|
— | 30 Sep 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
241
Shares
121,520,064
Rows available
241
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2023 vs Q3 2023 Across Filers
Q3 2023 holders
208
Q4 2023 holders
241
Holder diff
33
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend