Companies / Amkor Technology Inc

Amkor Technology Inc

Nasdaq: AMKRCIK 1047127TEMPE, AZamkor.com ↗

Financials · FY2025

Revenue$6.71B
Net income$376.12M
Total debt$1.41B
Cash$1.12B
Diluted EPS$1.50
Shares outstanding248.5M

Ownership

248.5M shares outstanding · as of Jul 21, 2026
3.0%Insiders
Ownership
Insiders2.98%7,413,179
10%+ / strategic11.91%29,594,980
Institutions46.61%115,804,868
Public float38.49%95,639,445

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 17

View all →
Insider% of sharesShares
915 Investments, LP—
11.91%29,594,980
Kim John T10% owner
11.91%29,594,980
Kim Susan YDirector · 10% owner
2.46%6,120,387
Rutten Guillaume Marie JeanCEOPresident and CEO · Director
0.20%503,040
Morse Robert RandolphDirector
0.05%134,977
Faust MeganCFO
0.05%132,138
Watson David NDirector
0.05%130,650
Tily Gil C.Director
0.05%118,699
Carolin Roger AnthonyDirector
0.04%94,409
McCourt MaryFrancesDirector
0.03%65,811

Institutional holders 487

View all →
HolderValue% of shares
BlackRock, Inc.$1.06B4.95%
Vanguard Group Inc$620.00M6.32%
Dimensional Fund Advisors LP$504.29M5.14%
State Street Corporation$321.69M1.50%
Earnest Partners LLC$154.54M1.38%
AQR Capital Management, LLC$141.42M1.30%
American Century Companies Inc$141.22M1.44%
Geode Capital Management, LLC$122.98M1.10%
Point72 Asset Management, L.P.$120.97M1.23%
Principal Financial Group Inc$118.11M1.06%

Activity

View all →
InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 12, 2026915 Investments, LPSellCommon Stock$484.90M-10.0M
-25.26%
29,594,980
11.91% of shares
high
Feb 12, 2026Kim John T
10% owner
SellCommon Stock$484.90M-10.0M
-25.26%
29,594,980
11.91% of shares
high
May 8, 2026Rutten Guillaume Marie Jean
CEO
SellCommon Stock$3.71M-50K
-9.05%
502,558
0.20% of shares
medium
May 5, 2026Carolin Roger Anthony
Director
SellCommon Stock$1.52M-20K
-17.48%
94,409
0.04% of shares
medium
May 11, 2026Tily Gil C.
Director
SellCommon Stock$1.16M-15K
-12.12%
108,806
0.04% of shares
medium
Feb 24, 2026Rutten Guillaume Marie Jean
CEO
SellCommon Stock$976.0K-20K
-3.55%
543,866
0.22% of shares
medium
Feb 25, 2026Haghighi Farshad
Executive
SellCommon Stock$789.0K-16K
-65.16%
8,354
<0.01% of shares
medium
Feb 24, 2026Engel Kevin K.
CEO
SellCommon Stock$609.4K-13K
-80.89%
2,953
<0.01% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Dimensional Fund Advisors LPPassive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
AMKR——031652100—