ASE Technology Holding Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ASX?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	3,534,746	0.0815%
Individual Insiders	1,238,454,760	28.5%
General Public	1,348,789,270	31.1%
Institutions	1,748,344,561	40.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 55.78% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
24.7%	C. S. Chang	1,070,403,188	US$5.1b	0%	no data
3.25%	BlackRock, Inc.	141,176,956	US$678.2m	1.53%	0.01%
3.24%	The Vanguard Group, Inc.	140,784,353	US$676.3m	-0.14%	0.01%
2.86%	Hung-Pen Chang	124,175,228	US$596.6m	0%	no data
2.8%	Yuanta Securities Investment Trust Co., Ltd.	121,381,615	US$583.1m	0%	2.04%
1.65%	Cathay Securities Investment Trust Co., LTD	71,549,233	US$343.7m	0%	2.17%
1.58%	Fuh Hwa Securities Investment Trust Co., Ltd.	68,424,448	US$328.7m	0%	3.17%
1.56%	Lazard Asset Management LLC	67,847,855	US$326.0m	-7.44%	0.29%
1.54%	New Labor Pension Scheme	66,978,332	US$321.8m	0%	1.1%
1.36%	JP Morgan Asset Management	59,000,630	US$283.4m	0.48%	0.03%
1.26%	Dimensional Fund Advisors LP	54,654,941	US$262.6m	-0.18%	0.04%
1.26%	Fubon Life Insurance Co., Ltd., Asset Management Arm	54,524,000	US$261.9m	0%	1.52%
1.18%	UBS Asset Management AG	51,215,928	US$246.0m	0.27%	0.02%
1.15%	Bank of Taiwan, Asset Management Arm	49,712,976	US$238.8m	0%	10.63%
0.93%	Schroder Investment Management Limited	40,439,806	US$194.3m	-0.03%	0.12%
0.87%	Norges Bank Investment Management	37,716,263	US$181.2m	0%	0.01%
0.7%	Fisher Asset Management, LLC	30,335,230	US$145.7m	10.8%	0.06%
0.65%	Geode Capital Management, LLC	28,408,171	US$136.5m	0.04%	0.01%
0.62%	Schroder Investment Management (Singapore) Ltd.	26,908,000	US$129.3m	0%	0.98%
0.55%	Massachusetts Financial Services Company	23,733,000	US$114.0m	18%	0.02%
0.49%	Uni-President Assets Management Corp.	21,209,357	US$101.9m	0%	2.07%
0.45%	Janus Henderson Group plc	19,595,205	US$94.1m	0.02%	0.04%
0.39%	Cullen Capital Management, LLC	16,819,922	US$80.8m	-2.29%	0.79%
0.38%	T. Rowe Price Group, Inc.	16,634,000	US$79.9m	-32.6%	0.01%
0.38%	Acadian Asset Management LLC	16,589,379	US$79.7m	-14.8%	0.19%