Amkor Technology AMKR Institutional Ownership

NASDAQ AMKR

$41.89 +0.07 (+0.17%)

At close: Oct 19, 2026 · 4:00 PM EDT

Institutions by Trading Activity

647 Institutions

Increased 390 60.3%

Unchanged 67 10.4%

Reduced 190 29.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

46.85%

▼-2.07 pp QoQ

Shares Held by Institutions

116.18Mn

of 247.99Mn outstanding

▼-4.18% QoQ

Shares Outstanding

247.99Mn

131.81Mn held outside 13F filers

Institutional Investors

647

filed 13F for Jun 2026

▲+120 vs prior quarter

Net Shares Added (QoQ)

-5.06Mn

distributed since last quarter

Value of Holdings

$5.12Bn

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

Updated Oct 11, 2026

Amkor Technology, Inc. (NASDAQ:AMKR) had 647 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

These investors held 46.85% of outstanding shares in Q2 2026, down from 48.92% the quarter before.
Total holdings of AMKR shares fell 4.18% from Q1 2026, and the holder count rose 87.54% from Q2 2025.
Among the 647 holders of Amkor Technology, 390 added to their positions, 190 reduced their stakes and 67 left their positions unchanged.
Institutional investors held 116.18Mn shares of Amkor Technology in total at the end of Q2 2026, down 5.06Mn from the prior quarter and up 9.36Mn from a year earlier.
BlackRock, Inc. held the largest position in AMKR at 12.29Mn shares as of June 30, 2026, or 4.96% of shares outstanding.
The largest position increases in AMKR for Q2 2026 were by Vanguard Capital Management LLC (+1.27Mn shares), TCW Group Inc (+971.06K shares), T. Rowe Price Associates Inc (+913.05K shares), Citadel Advisors LLC (+832.3K shares) and Qube Research & Technologies Ltd (+799.34K shares).
The largest position reductions in AMKR for Q2 2026 were by Dimensional Fund Advisors LP (-2.93Mn shares), Jane Street Group, LLC (-2.02Mn shares), American Century Companies Inc (-1.66Mn shares), Bridgewater Associates, LP (-1.57Mn shares) and D. E. Shaw & Co., Inc. (-863.9K shares).
According to Business Quant data, the leading holders of AMKR for Q2 2026 were BlackRock, Inc. (12.29Mn shares), Vanguard Portfolio Management LLC (9.71Mn shares), Dimensional Fund Advisors LP (8.06Mn shares), Vanguard Capital Management LLC (6.7Mn shares), JPMorgan Chase & Co (5.7Mn shares), State Street Corp (3.73Mn shares), AQR Capital Management LLC (3.23Mn shares), Earnest Partners LLC (2.85Mn shares), Geode Capital Management, LLC (2.8Mn shares) and Invesco Ltd. (2.49Mn shares).

Form 13F Holdings

648 Institutional Holders

Report period 30 Jun, 2026

Total shares held 116.18Mn

Of outstanding 46.85%

#	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	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
20	Qube Research & Technologies Ltd	0001729829	1,161,478	0.47%	▲799,341	+220.73%	$100.15Mn

Showing 1 to 20 of 648 holders