United Microelectronics Corporation (2303)

Taiwan


Symbol		Exchange		Currency
2303	·	Taiwan	·	TWD	Delayed
UMC	·	NYSE	·	USD	Real-time
UMCy	·	TradeGate	·	EUR	Delayed

Currency in TWD

2303 Pro Research

92.00

-6.40(-6.50%)

Closed·06/11

Fair Value

Unlock Value

Day's Range

88.60

94.60

52 wk Range

43.80

185.50

Ownership

Discover who owns UMC Corp. Access the ownership overview, view the top UMC Corp shareholders, institutional holders, and leading mutual fund investors. Understand the key stakeholders and the distribution of 2303 shares among major financial entities.

Ownership Overview

Type	Common Stock Held	% of Shares Outstanding	Market Value
Mutual Funds & ETFs	4.12B	32.90%	379.49B
Other Institutional Investors	3.11B	24.82%	286.37B
Public Companies & Retail Investors	5.30B	42.28%	487.77B
Total	12.54B	100.00%	1.15T

Type	Common Stock Held	% of Shares Outstanding	Market Value
Mutual Funds & ETFs	4.12B	32.90%	379.49B
Other Institutional Investors	3.11B	24.82%	286.37B
Public Companies & Retail Investors	5.30B	42.28%	487.77B
Total	12.54B	100.00%	1.15T

Top Institutional Holders

Holder	% of holding	Shares Held	Date Reported	Value (In 1,000s)
BlackRock, Inc.	7.78%	975,207,339	Jun 30, 2026	89,719,075
Capital Investment Trust Corporation	5.18%	649,792,000	Mar 29, 2026	59,780,864
Cathay Securities Investment Trust Co., LTD	4.32%	542,128,000	Mar 29, 2026	49,875,776
Vanguard Capital Management, LLC	4.10%	514,705,566	Sep 30, 2026	47,352,912
Hsun Chieh Investment Co. Ltd.	3.52%	441,371,000	Sep 30, 2026	40,606,132
Yuanta Securities Investment Trust Co., Ltd.	3.35%	419,893,644	Mar 29, 2026	38,630,215
Fuh Hwa Securities Investment Trust Co., Ltd.	2.69%	337,346,000	Jun 30, 2025	31,035,832
Silicon Integrated Systems Corp.	2.13%	266,580,424	Sep 30, 2026	24,525,399
Uni-President Assets Management Corp.	1.92%	240,856,638	Jun 30, 2026	22,158,811
Taiwan Life Insurance Co., Ltd.	1.75%	218,989,000	Jun 30, 2025	20,146,988

Top Mutual Fund Holders

Holder	% of holding	Shares Held	Date Reported	Value (In 1,000s)
Yuanta/P-shares Taiwan Top 50 ETF	2.00%	251,172,087	Jun 30, 2026	23,107,832
Cathay Securities Investment Trust Co Ltd - Taiwan Esg Sustainable High Yield ETF	1.47%	184,228,587	Jun 30, 2026	16,949,030
Vanguard STAR Funds - Vanguard Total International Stock ETF	1.37%	172,300,241	Sep 30, 2026	15,851,622
Vanguard International Equity Index Funds - Vanguard FTSE Emerging Markets ETF	1.31%	164,065,212	Sep 30, 2026	15,094,000
Yuanta/P-shares Taiwan Dividend Plus ETF	1.28%	160,269,662	Jun 30, 2026	14,744,809
iShares, Inc. - iShares Core MSCI Emerging Markets ETF	1.04%	129,826,000	Sep 30, 2026	11,943,992
Government Pension Fund Global	1.02%	127,396,928	Jun 30, 2026	11,720,517
Fuh Hwa Taiwan Technology Dividend Highlight ETF	0.71%	89,057,712	Jun 30, 2026	8,193,310
Vanguard Fiduciary Trust Company Institutional Total International Stock Market Index Trust II	0.70%	87,452,000	Sep 30, 2026	8,045,584
Uni-President Asset Management Corp - UPAMC Taiwan Growth Active ETF	0.69%	86,468,423	Jun 30, 2026	7,955,095

S&P/TSX

35,789.09

+183.82

+0.52%

S&P/TSX 60

2,125.72

+7.50

+0.35%

US 30

51,307.10

-214.2

-0.42%

US 500

7,383.30

+29.5

+0.40%

S&P 500 VIX

25.64

-2.54

-9.01%

DAX

25,820.36

-504.65

-1.92%

Dollar Index

102.18

+0.750

+0.74%

Market Movers

Name	Last	Chg. %	Vol.
RBC	284.16	-0.59%	2.48M
Enbridge	66.14	-1.77%	10.08M
TD	172.92	+0.21%	3.81M
Suncor Energy	97.10	+0.36%	6.43M
Bank of Montreal	241.42	-0.12%	2.57M
Manulife Financial	61.00	-1.02%	8.20M
Bank of Nova Scotia	129.54	+0.75%	3.79M

Name	Last	Chg. %	Vol.
Biomind Labs	0.30	+436.36%	1.00K
Mijem Newcomm Tech	0.10	+375.00%	27.00K
Ramm Pharma	0.01	+200.00%	1.13K
Greenhawk Resources	0.09	+142.86%	889.99K
Greenhawk Resources	0.0850	+142.86%	889.99K
SP Strategic Acquisition	0.04	+133.33%	1.00K
Silver Elephant Mining Corp	0.265	+120.83%	3.05M

Name	Last	Chg. %	Vol.
Hispania Resources	0.01	-100.00%	443.00K
Apolo IV Acquisition	0.01	-66.67%	2.30K
Pepcap Resources	0.0050	-66.67%	1.00K
Taltson Critical	0.0150	-57.14%	5.00K
Molecule Holdings	0.005	-50.00%	20.11K
James Bay Resources Ltd	0.005	-50.00%	35.10K
Global Cannabis Applications	0.005	-50.00%	125.00K

Trending Stocks

Name	Last	Chg. %	Vol.
Celestica Inc.	292.16	+1.29%	939.27K
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Canadian Natural	68.50	+0.03%	6.26M
Constellation Software	3,526.52	+0.42%	57.89K

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Aaaaaaa Aaaa	18.07	+49.47%	27.01
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Aa Aa Aaaaaaa	40.72	+43.00%	58.23
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