Amkor Technology, Inc. (AMKR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

248,213,725Shares Outstanding

262,205Shares held by institutions

$12,281,682Value of institutional holdings

46.12%Institutional ownership %

9.84%Shares Changed QoQ

427No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Amkor Technology, Inc. (NASDAQ:AMKR) currently has 427 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

Institutional ownership in Amkor Technology edged up to 46.1% in December 2025, compared to 43.6% in September 2025.
In percentage terms, this reflects as a holdings change of 9.84% quarter on quarter, and an increase of 28.23% year over year.
The latest 13F cycle for Amkor Technology reveals that of 427 total investors, 232 funds grew their exposure, whereas 147 reduced theirs and 48 made no changes.
This class of investors increased its holdings in Amkor Technology to 114.47Mn shares for the 13F-cycle ending December 2025, up by 10.25Mn shares quarter on quarter, and up 4.76Mn shares year over year.
VANGUARD GROUP INC's holding of 15.70Mn shares as of December 31, 2025 makes it the primary institutional investor in Amkor Technology, owning 6.33% of the stock.
Among the most significant buyers of Amkor Technology during December 2025 were Point72 Asset Management, L.P. (2.90Mn), DISCOVERY CAPITAL MANAGEMENT, LLC / CT (2.61Mn), JANE STREET GROUP, LLC (1.66Mn), Fisher Asset Management, LLC (1.41Mn), NORGES BANK (1.36Mn).
Leading sellers of Amkor Technology stock in December 2025 included SW Investment Management LLC (1.25Mn), LSV ASSET MANAGEMENT (1.16Mn), FMR LLC (993.17K), BlackRock, Inc. (911.87K), AQR CAPITAL MANAGEMENT LLC (911.55K).
The top 10 institutional holders of Amkor Technology for the quarter ending December 2025 included VANGUARD GROUP INC (15.70Mn), BlackRock, Inc. (12.92Mn), DIMENSIONAL FUND ADVISORS LP (12.77Mn), EARNEST PARTNERS LLC (3.79Mn), AMERICAN CENTURY COMPANIES INC (3.58Mn), STATE STREET CORP (3.47Mn), AQR CAPITAL MANAGEMENT LLC (3.30Mn), Point72 Asset Management, L.P. (3.06Mn), LSV ASSET MANAGEMENT (2.82Mn), FIRST TRUST ADVISORS LP (2.72Mn).

427 Institutional Holders

262,205 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	15,704,172	-75,675	-0.48%	$620,000,711.00
BlackRock, Inc.	31 Dec, 2025	12,922,945	-911,865	-6.59%	$510,197,852.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	12,772,891	-378,319	-2.88%	$504,286,543.00
EARNEST PARTNERS LLC	31 Dec, 2025	3,792,424	-413,929	-9.84%	$149,724,900.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	3,576,888	-259,099	-6.75%	$141,215,610.00
STATE STREET CORP	31 Dec, 2025	3,473,925	47,514	1.39%	$137,150,559.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	3,299,975	-911,554	-21.64%	$130,283,016.00
Point72 Asset Management, L.P.	31 Dec, 2025	3,064,101	2,895,298	1,715.19%	$120,970,707.00
LSV ASSET MANAGEMENT	31 Dec, 2025	2,820,062	-1,161,294	-29.17%	$111,336.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	2,722,310	740,701	37.38%	$107,476,953.00
DISCOVERY CAPITAL MANAGEMENT, LLC / CT	31 Dec, 2025	2,614,934	2,614,934	0.00%	$103,237,594.00
JANE STREET GROUP, LLC	31 Dec, 2025	2,435,543	1,662,261	214.96%	$96,155,238.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,232,211	-47,220	-2.07%	$88,142,702.00
PRINCIPAL FINANCIAL GROUP INC	31 Dec, 2025	2,199,115	-69,725	-3.07%	$86,832,678.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	2,099,349	-95,817	-4.36%	$82,882,299.00
Fisher Asset Management, LLC	31 Dec, 2025	2,095,027	1,407,109	204.55%	$82,711,678.00
MORGAN STANLEY	31 Dec, 2025	1,806,649	340,262	23.20%	$71,326,577.00
SW Investment Management LLC	31 Dec, 2025	1,400,000	-1,250,000	-47.17%	$55,272,000.00
NORGES BANK	31 Dec, 2025	1,360,226	1,360,226	0.00%	$53,701,722.00
UBS Group AG	31 Dec, 2025	1,254,658	843,983	205.51%	$49,533,899.00

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