UNITED MICROELECTRONICS CORP - SPON ADR NEW (UMC)

CUSIP: 910873405

Q1 2023 13F Holders as of 31 Mar 2023

Share change
-2,682,419
Put/Call ratio
250%
SEC-reported price per share
$8.76
Number of holders
210
Value change
-$2,481,447
Number of buys
108
Open additional details 1 more signal available
Number of sells
83

Security key

910873405

Report period

Q1 2023

Institutions

210

Top holders

10

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
31 Dec 2022
13F Highest disclosed value: $130,983,847 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 $130.98M.

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. $130.98M
VANGUARD GROUP INC $98.68M
ARROWSTREET CAPITAL, LIMITED PART... $75.01M
RENAISSANCE TECHNOLOGIES LLC $56.08M
CREDIT SUISSE AG/ $48.09M

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
13F
class O/S missing
$130,983,847
20,058,782 shares
31 Dec 2022
VANGUARD GROUP INC
13F
Company
13F
class O/S missing
$98,681,445
15,112,013 shares
31 Dec 2022
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
13F
class O/S missing
$75,012,000
11,487,275 shares
31 Dec 2022
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
class O/S missing
$56,075,000
8,587,234 shares
31 Dec 2022
CREDIT SUISSE AG/
13F
Company
13F
class O/S missing
$48,089,832
7,364,446 shares
31 Dec 2022
BSN Capital Partners Ltd
13F
Company
13F
class O/S missing
$42,960,000
6,000,000 shares
31 Dec 2022
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 Q1 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
210
Shares
130,494,762
Rows available
210
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 Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders
210
Q1 2023 holders
210
Holder diff
0
Investor Q1 2023 Shares Q1 2023 Shares Share Diff Share Chg % Q1 2023 value Q1 2023 value Value change Value Chg %
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