Security key
910873405
UNITED MICROELECTRONICS CORP - SPON ADR NEW (UMC)
CUSIP: 910873405
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / SPON ADR NEW
- Total 13F shares
- 40,073
- Total 13F value
- $981,382
- Share change
- -17,160
- SEC-reported price per share
- $24.49
- Number of holders
- 3
- Value change
- -$420,250
- Number of buys
- 1
- Number of sells
- 2
Report period
Q3 2026
Institutions
3
Top holders
4
UMC full security history
Ownership snapshot
Full 13F holder table
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, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
0/15
Latest evidence
30 Jun 2026
13F
Highest disclosed value: $858,324,604
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. has the largest disclosed position value at $858.32M.
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, Inc.'s linked filing trail.
Disclosed position value
Top 5
BlackRock, Inc.
$858.32M
UBS Group AG
$316.53M
GOLDMAN SACHS GROUP INC
$302.3M
BANK OF AMERICA CORP /DE/
$277.03M
VANGUARD CAPITAL MANAGEMENT LLC
$234.06M
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, Inc. |
13F
Company
|
—
class O/S missing
|
$858,324,604
31,544,454 shares
|
— | 30 Jun 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$316,533,032
11,632,967 shares
|
— | 30 Jun 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
class O/S missing
|
$302,297,238
11,109,785 shares
|
— | 30 Jun 2026 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
—
class O/S missing
|
$277,030,677
10,181,208 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$234,059,522
8,601,967 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$225,450,487
8,285,573 shares
|
— | 30 Jun 2026 |
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 Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
3
Shares
40,073
Rows available
3
| 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 Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
364
Q3 2026 holders
3
Holder diff
-361
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend