Amkor Technology AMKR Institutional Ownership

NASDAQ AMKR

$51.75 +2.22 (+4.48%)

As of: Sep 11, 2026 · 3:59 PM EDT

Institutions by Trading Activity

649 Institutions

Increased 390 60.1%

Unchanged 68 10.5%

Reduced 191 29.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

47.88%

▼-1.12 pp QoQ

Shares Held by Institutions

118.70Mn

of 247.91Mn outstanding

▲+0.55% QoQ

Shares Outstanding

247.91Mn

129.21Mn held outside 13F filers

Institutional Investors

649

filed 13F for Jun 2026

▲+120 vs prior quarter

Net Shares Added (QoQ)

+650.10K

accumulated since last quarter

Value of Holdings

$5.67Bn

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

Amkor Technology, Inc. (NASDAQ:AMKR) appears in 649 institutional 13F filings for the quarter ending June 2026.

Collectively, these holders controlled 47.9% of Amkor Technology's outstanding shares in June 2026, down from 49.0% in March 2026.
Their total shares held in AMKR increased 0.55% from the prior quarter, while the number of investors in Amkor Technology increased 87.57% year over year.
Among the 649 funds, 390 bought more Amkor Technology shares, 191 sold down, and 68 held their ground.
Institutional investors collectively held 118.7Mn shares in Amkor Technology as of June 2026, up by 650.1K shares quarter on quarter, and up 11.09Mn shares year over year.
BlackRock, Inc. is the top holder of Amkor Technology as of June 30, 2026, with 12.29Mn shares representing 4.96% of outstanding stock.
Top purchasers of AMKR stock for the quarter ending June 2026 included Sixth Street Partners Management Company, L.P. (1.83Mn), Clal Insurance Enterprises Holdings Ltd (1.76Mn), NORGES BANK (1.48Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.27Mn), TCW GROUP INC (971.06K).
Leading sellers of Amkor Technology shares for the quarter ending June 2026 were DIMENSIONAL FUND ADVISORS LP (2.93Mn), JANE STREET GROUP, LLC (2.02Mn), AMERICAN CENTURY COMPANIES INC (1.66Mn), Bridgewater Associates, LP (1.57Mn), D. E. Shaw & Co., Inc. (863.9K).
Amkor Technology's 10 largest shareholders as of June 2026 include BlackRock, Inc. (12.29Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (9.71Mn), DIMENSIONAL FUND ADVISORS LP (8.06Mn), VANGUARD CAPITAL MANAGEMENT LLC (6.7Mn), Jpmorgan Chase & Co (5.7Mn), State Street Corp (3.73Mn), AQR CAPITAL MANAGEMENT LLC (3.23Mn), EARNEST PARTNERS LLC (2.85Mn), GEODE CAPITAL MANAGEMENT, LLC (2.8Mn), Invesco Ltd. (2.49Mn) per Business Quant data.

Form 13F Holdings

649 Institutional Holders

Report period 30 Jun, 2026

Total shares held 118.70Mn

Of outstanding 47.88%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	12,292,760	4.96%	▼676,005	-5.21%	$1.06Bn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	9,712,553	3.92%	▲616,705	+6.78%	$837.51Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	8,064,191	3.25%	▼2,927,278	-26.63%	$695.29Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	6,701,080	2.70%	▲1,266,762	+23.31%	$577.83Mn
5	Jpmorgan Chase & Co	0000019617	5,702,608	2.30%	▲296,063	+5.48%	$470.03Mn
6	State Street Corp	0000093751	3,730,584	1.50%	▲102,042	+2.81%	$321.69Mn
7	AQR CAPITAL MANAGEMENT LLC	0001167557	3,231,546	1.30%	▼10,584	-0.33%	$273.84Mn
8	EARNEST PARTNERS LLC	0001102578	2,852,492	1.15%	▼579,351	-16.88%	$245.97Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,798,149	1.13%	▲67,641	+2.48%	$241.33Mn
10	Invesco Ltd.	0000914208	2,485,794	1.00%	▲596,389	+31.56%	$214.35Mn
11	Point72 Asset Management, L.P.	0001603466	2,477,326	1.00%	▼516,108	-17.24%	$213.62Mn
12	Principal Financial Group Inc	0001126328	1,970,200	0.79%	▼652,544	-24.88%	$169.85Mn
13	FIRST TRUST ADVISORS LP	0001125816	1,836,306	0.74%	▲42,769	+2.38%	$158.34Mn
14	Sixth Street Partners Management Company, L.P.	0001812095	1,832,535	0.74%	▲1,832,535	0.00%	$158.02Mn
14	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,832,535	0.74%	▼269,003	-12.80%	$158.02Mn
15	Fisher Asset Management, LLC	0000850529	1,821,547	0.73%	▼189,435	-9.42%	$157.07Mn
16	Clal Insurance Enterprises Holdings Ltd	0001376192	1,764,000	0.71%	▲1,764,000	0.00%	$152.11K
17	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	1,659,478	0.67%	▲913,054	+122.32%	$143.10K
18	Morgan Stanley	0000895421	1,525,685	0.62%	▲152,877	+11.14%	$131.56Mn
19	NORGES BANK	0001374170	1,477,233	0.60%	▲1,477,233	0.00%	$127.38Mn

Showing 1 to 20 of 649 holders