Security key
910873405
UNITED MICROELECTRONICS CORP - SPON ADR NEW (UMC)
CUSIP: 910873405
Q3 2020 13F Holders as of 30 Sep 2020
- Security type / class
- Equity / SPON ADR NEW
- Total 13F shares
- 101,832,507
- Total 13F value
- $488,730,114
- Share change
- -15,562,867
- Put/Call ratio
- 53%
- SEC-reported price per share
- $4.79
- Number of holders
- 135
- Value change
- -$58,934,530
- Number of buys
- 63
- Number of sells
- 61
Open additional details 1 more signal available
Report period
Q3 2020
Institutions
135
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
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
0/15
Latest evidence
30 Jun 2020
13F
Highest disclosed value: $58,809,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC has the largest disclosed position value at $58.81M.
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 VANGUARD GROUP INC's linked filing trail.
Disclosed position value
Top 5
VANGUARD GROUP INC
$58.81M
RENAISSANCE TECHNOLOGIES LLC
$50.43M
LMR Partners LLP
$24.34M
Aperio Group, LLC
$23.06M
ACADIAN ASSET MANAGEMENT LLC
$21.24M
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 |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$58,809,000
22,275,953 shares
|
— | 30 Jun 2020 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$50,430,000
19,102,139 shares
|
— | 30 Jun 2020 |
| LMR Partners LLP |
13F
Company
|
—
class O/S missing
|
$24,340,000
9,052,418 shares
|
— | 30 Jun 2020 |
| Aperio Group, LLC |
13F
Company
|
—
class O/S missing
|
$23,057,000
8,733,863 shares
|
— | 30 Jun 2020 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$21,235,000
8,043,669 shares
|
— | 30 Jun 2020 |
| Sculptor Capital LP |
13F
Company
|
—
class O/S missing
|
$18,648,000
7,063,778 shares
|
— | 30 Jun 2020 |
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 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
135
Shares
101,832,507
Rows available
135
| 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 2020 vs Q2 2020 Across Filers
Q2 2020 holders
118
Q3 2020 holders
135
Holder diff
17
| Investor | Q2 2020 Shares | Q3 2020 Shares | Share Diff | Share Chg % | Q2 2020 value | Q3 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend