United Microelectronics UMC Institutional Ownership

NYSE UMC

$26.27 +1.07 (+4.25%)

At close: Oct 2, 2026 · 4:00 PM EDT

Institutions by Trading Activity

363 Institutions

Increased 221 60.9%

Unchanged 33 9.1%

Reduced 109 30.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

7.36%

▲+0.23 pp QoQ

Shares Held by Institutions

179.98Mn

of 2.44Bn outstanding

▲+9.36% QoQ

Shares Outstanding

2.44Bn

2.26Bn held outside 13F filers

Institutional Investors

363

filed 13F for Jun 2026

▲+46 vs prior quarter

Net Shares Added (QoQ)

+15.41Mn

accumulated since last quarter

Value of Holdings

$4.73Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

United Microelectronics Corp (NYSE:UMC) has 363 institutional investors that have filed 13F reports for the period ending June 2026.

Their combined ownership stood at 7.4% of outstanding shares in June 2026, up from 7.1% in March 2026.
They increased total shares held in UMC by 9.36% quarter over quarter, and investors in United Microelectronics increased 52.52% from a year ago.
Activity in UMC broke down as 221 buyers, 109 sellers, and 33 unchanged among 363 total holders.
Combined, these investors held 179.98Mn shares in UMC for June 2026, up by 15.41Mn shares quarter on quarter, and up 51.2Mn shares year over year.
BlackRock, Inc. holds the largest position in UMC at 31.54Mn shares as of June 30, 2026, or 1.29% of shares outstanding.
The biggest buyers of United Microelectronics for the quarter ending June 2026 included Bank Of America Corp /De/ (7.58Mn), Goldman Sachs Group Inc (5.23Mn), BlackRock, Inc. (4.05Mn), Neuberger Berman Group LLC (4.02Mn), UBS Group AG (3.46Mn).
Leading sellers of United Microelectronics shares for the quarter ending June 2026 were AQR CAPITAL MANAGEMENT LLC (7.0Mn), TWO SIGMA INVESTMENTS, LP (6.57Mn), ACADIAN ASSET MANAGEMENT LLC (2.37Mn), D. E. Shaw & Co., Inc. (1.7Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.53Mn).
Per Business Quant data, the top 10 holders of United Microelectronics for the quarter ending June 2026 are BlackRock, Inc. (31.54Mn), UBS Group AG (11.63Mn), Goldman Sachs Group Inc (11.11Mn), Bank Of America Corp /De/ (10.18Mn), VANGUARD CAPITAL MANAGEMENT LLC (8.6Mn), Morgan Stanley (8.29Mn), AQR CAPITAL MANAGEMENT LLC (7.72Mn), Rafferty Asset Management, LLC (7.65Mn), ACADIAN ASSET MANAGEMENT LLC (5.75Mn), Man Group plc (5.59Mn).

Form 13F Holdings

363 Institutional Holders

Report period 30 Jun, 2026

Total shares held 179.98Mn

Of outstanding 7.36%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	31,544,454	1.29%	▲4,048,574	+14.72%	$858.32Mn
2	UBS Group AG	0001610520	11,632,967	0.48%	▲3,457,823	+42.30%	$316.53Mn
3	Goldman Sachs Group Inc	0000886982	11,109,785	0.45%	▲5,234,921	+89.11%	$302.30Mn
4	Bank Of America Corp /De/	0000070858	10,181,208	0.42%	▲7,577,990	+291.10%	$277.03Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	8,601,967	0.35%	▼386,476	-4.30%	$234.06Mn
6	Morgan Stanley	0000895421	8,285,573	0.34%	▼492,330	-5.61%	$225.45Mn
7	AQR CAPITAL MANAGEMENT LLC	0001167557	7,718,125	0.32%	▼6,995,905	-47.55%	$210.01Mn
8	Rafferty Asset Management, LLC	0001389426	7,653,378	0.31%	▲2,669,725	+53.57%	$208.25Mn
9	ACADIAN ASSET MANAGEMENT LLC	0000916542	5,753,245	0.24%	▼2,370,954	-29.18%	$156.53K
10	Man Group plc	0001637460	5,593,427	0.23%	▼135,474	-2.36%	$152.20Mn
11	Citigroup Inc	0000831001	5,414,362	0.22%	▲1,117,640	+26.01%	$147.32Mn
12	Barclays Plc	0000312069	4,892,286	0.20%	▲153,419	+3.24%	$133.12Mn
13	State Street Corp	0000093751	4,878,124	0.20%	▼135,085	-2.69%	$132.73Mn
14	Neuberger Berman Group LLC	0001465109	4,134,788	0.17%	▲4,020,723	+3,524.94%	$111.02Mn
15	Northern Trust Corp	0000073124	3,986,872	0.16%	▲787,998	+24.63%	$108.48Mn
16	Jpmorgan Chase & Co	0000019617	3,660,899	0.15%	▲3,400,195	+1,304.24%	$98.26Mn
17	DIMENSIONAL FUND ADVISORS LP	0000354204	3,218,824	0.13%	▲369,087	+12.95%	$87.58Mn
18	TWO SIGMA INVESTMENTS, LP	0001179392	3,088,852	0.13%	▼6,566,550	-68.01%	$84.05Mn
19	Creative Planning	0001540235	2,450,717	0.10%	▲86,346	+3.65%	$66.68Mn
20	Tidal Investments LLC	0001600064	2,355,267	0.10%	▲759,116	+47.56%	$64.09Mn

Showing 1 to 20 of 363 holders