AMKR Amkor Technology, Inc.

NASDAQ
$50.26

Amkor Technology, Inc. (AMKR) Institutional Ownership

What the institutions did with AMKR last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers reporting
684
filed a 13F this quarter
Managers holding
634
+113 on the quarter
Buyers
376
163 opened new
Sellers
244
50 sold out entirely
Buyer share
60.7%
of managers who traded it
Breadth
+21.3
net buyers, as a share of those trading

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Largest holders

Manager Shares % of reported
BlackRock, Inc. 12.3M 10.6%
VANGUARD PORTFOLIO MANAGEMENT LLC 9.7M 8.4%
DIMENSIONAL FUND ADVISORS LP 8.1M 6.9%
VANGUARD CAPITAL MANAGEMENT LLC 6.7M 5.8%
JPMORGAN CHASE & CO 5.7M 4.9%
STATE STREET CORP 3.7M 3.2%
AQR CAPITAL MANAGEMENT LLC 3.2M 2.8%
EARNEST PARTNERS LLC 2.9M 2.5%
GEODE CAPITAL MANAGEMENT, LLC 2.8M 2.4%
Invesco Ltd. 2.5M 2.1%
Point72 Asset Management, L.P. 2.5M 2.1%
PRINCIPAL FINANCIAL GROUP INC 2.0M 1.7%
FIRST TRUST ADVISORS LP 1.8M 1.6%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.8M 1.6%
Fisher Asset Management, LLC 1.8M 1.6%
Clal Insurance Enterprises Holdings Ltd 1.8M 1.5%
PRICE T ROWE ASSOCIATES INC /MD/ 1.7M 1.4%
MORGAN STANLEY 1.5M 1.3%
NORGES BANK 1.5M 1.3%
Qube Research & Technologies Ltd 1.2M 1.0%
TWO SIGMA INVESTMENTS, LP 1.1M 0.9%
AMERICAN CENTURY COMPANIES INC 1.1M 0.9%
Bank of New York Mellon Corp 1.1M 0.9%
GOLDMAN SACHS GROUP INC 1.0M 0.9%
CITADEL ADVISORS LLC 1.0M 0.9%

Largest changes

Manager Action Previous Current Change
DIMENSIONAL FUND ADVISORS LP Reduced 11.0M 8.1M -2.9M
JANE STREET GROUP, LLC Reduced 2.3M 307.7K -2.0M
Clal Insurance Enterprises Holdings Ltd New 0 1.8M +1.8M
AMERICAN CENTURY COMPANIES INC Reduced 2.7M 1.1M -1.7M
Bridgewater Associates, LP Reduced 1.6M 7.1K -1.6M
VANGUARD CAPITAL MANAGEMENT LLC Increased 5.4M 6.7M +1.3M
TCW GROUP INC Increased 56.7K 1.0M +971.1K
PRICE T ROWE ASSOCIATES INC /MD/ Increased 746.4K 1.7M +913.1K
SW Investment Management LLC Sold Out 900.0K 0 -900.0K
D. E. Shaw & Co., Inc. Reduced 1.5M 624.9K -863.9K
CITADEL ADVISORS LLC Increased 195.8K 1.0M +832.3K
VOLORIDGE INVESTMENT MANAGEMENT, LLC Reduced 1.1M 243.1K -818.7K
Burkehill Global Management, LP Sold Out 800.0K 0 -800.0K
Qube Research & Technologies Ltd Increased 362.1K 1.2M +799.3K
Trexquant Investment LP Reduced 1.1M 269.6K -796.6K
Squarepoint Ops LLC Reduced 966.8K 209.9K -756.9K
BlackRock, Inc. Reduced 13.0M 12.3M -676.0K
BANK OF NOVA SCOTIA New 0 675.8K +675.8K
PRINCIPAL FINANCIAL GROUP INC Reduced 2.6M 2.0M -652.5K
VANGUARD PORTFOLIO MANAGEMENT LLC Increased 9.1M 9.7M +616.7K
Invesco Ltd. Increased 1.9M 2.5M +596.4K
RENAISSANCE TECHNOLOGIES LLC New 0 580.6K +580.6K
EARNEST PARTNERS LLC Reduced 3.4M 2.9M -579.4K
FMR LLC Increased 257.5K 836.4K +578.9K
SG Americas Securities, LLC Reduced 978.6K 439.9K -538.7K

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.