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AMKR · Amkor Technology, Inc. · Shareholders & Ownership

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$41.70 -0.19 (-0.45%) At close · Oct 20
Market Cap
$10.38B
Shares
247.87M
Volume · Oct 20 3.01M Avg daily vol (3M) 4.59M

Every disclosed holder of AMKR in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns AMKR

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 116,200,945 46.88%
Insiders (Forms 3, 4, 5) 92,540,173 37.33%
13D/G-only blocks 0 0.00%
Remaining 39,131,400 15.79%
Registered funds (N-PORT, not summed) 51,501,149 20.78%

Shares outstanding: 247,872,518, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of AMKR

# Holder Shares
1
915 Investments, LP
Insider CIK 1460579 · Feb 12, 2026
Insider, issuer-wide
29,594,980
2
KIM SUSAN Y
Insider CIK 1158922 · Sep 22, 2026
Director, 10% Owner, issuer-wide
25,605,196
3
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
12,292,760
3.1
iShares Core S&P Mid-Cap ETF
Fund S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,902,096
3.2
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
512,005
3.3
iShares Future AI & Tech ETF
Fund S000062201 · Registered fund · Jun 30, 2026
iShares Trust, not summed
443,595
3.4
iShares S&P Mid-Cap 400 Growth ETF
Fund S000004308 · Registered fund · Jun 30, 2026
iShares Trust, not summed
328,101
3.5
iShares S&P Mid-Cap 400 Value ETF
Fund S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
296,987
4
KIM AGNES C
Insider CIK 1158840 · Jul 20, 2026
Insider, issuer-wide
11,187,355
5
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
9,712,553
6
KIM JOHN T
Insider CIK 1158926 · Feb 12, 2026
10% Owner, issuer-wide
9,383,968
7
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
8,064,191
7.1
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
1,495,787
7.2
Dimensional U.S. Targeted Value ETF
Fund S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
1,233,402
7.3
Dimensional US Small Cap Value ETF
Fund S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
690,303
7.4
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
607,527
7.5
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
601,391
8
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,701,080
9
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
5,702,608
10
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
5,114,880
11
SUJODA Investments, LP
Insider CIK 1509340 · Aug 1, 2025
Insider, issuer-wide
3,789,479
12
Sujoda Management, LLC
Insider CIK 1902339 · Aug 1, 2025
Insider, issuer-wide
3,789,479
13
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,730,584
13.1
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
577,148
13.2
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
91,033
13.3
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF
Fund S000006987 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
84,647
13.4
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
43,735
13.5
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
21,293
14
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,694,076
15
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,231,546
15.1
AQR Managed Futures Strategy Fund
Fund S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
146,947
15.2
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
77,786
15.3
AQR Managed Futures Strategy HV Fund
Fund S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
72,920
15.4
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
52,369
15.5
AQR Large Cap Multi-Style Fund
Fund S000040063 · Registered fund · Jun 30, 2026
AQR Funds, not summed
39,196
16
EARNEST PARTNERS LLC
13F CIK 1102578 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,852,492
17
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,798,149
18
KIM DAVID D
Insider CIK 1158924 · Aug 1, 2025
Insider, issuer-wide
2,707,259
19
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,485,794
19.1
Invesco Semiconductors ETF
Fund S000003032 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
1,035,417
19.2
Invesco S&P MidCap Momentum ETF
Fund S000003056 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
842,012
19.3
Invesco Dorsey Wright Technology Momentum ETF
Fund S000013110 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
228,822
19.4
Invesco Dorsey Wright Momentum ETF
Fund S000013787 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
155,417
19.5
Invesco S&P MidCap 400 Revenue ETF
Fund S000064595 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
72,104
20
Point72 Asset Management, L.P.
13F CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,477,326
21
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,340,669
22
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
2,130,899
23
PRINCIPAL FINANCIAL GROUP INC
13F CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,970,200
23.1
Small-MidCap Dividend Income Fund
Fund S000032942 · Registered fund · May 31, 2026
Principal Funds, Inc, not summed
696,856
23.2
Principal Capital Appreciation Fund
Fund S000014238 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
274,934
23.3
MidCap Value Fund I
Fund S000007173 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
63,315
23.4
MidCap S&P 400 Index Fund
Fund S000007079 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
43,592
23.5
Principal Capital Appreciation Account
Fund S000014085 · Registered fund · Jun 30, 2026
Principal Variable Contract Funds, Inc, not summed
16,682
24
FIRST TRUST ADVISORS LP
13F CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,836,306
24.1
First Trust Nasdaq Semiconductor ETF
Fund S000053947 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
1,069,570
24.2
First Trust Technology AlphaDEX Fund
Fund S000017703 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
98,626
24.3
First Trust Nasdaq BuyWrite Income ETF
Fund S000040305 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
20,702
24.4
First Trust Mid Cap Core AlphaDEX Fund
Fund S000017338 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
11,945
24.5
FT Vest Technology Dividend Target Income ETF
Fund S000081278 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded Fund IV, not summed
9,761
25
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,832,535
25.1
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
627,806
25.2
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
547,245
25.3
Schwab U.S. Mid-Cap ETF
Fund S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
307,475
25.4
Schwab Fundamental U.S. Small Company Index Fund
Fund S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
135,684
25.5
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
69,893
26
Fisher Asset Management, LLC
13F CIK 850529 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,821,547
27
Clal Insurance Enterprises Holdings Ltd
13F CIK 1376192 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,764,000
28
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,659,478
28.1
T. Rowe Price Science & Technology Fund, Inc.
Fund S000002119 · Registered fund · Jun 30, 2026
T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC., not summed
512,700
28.2
T. Rowe Price New Horizons Fund, Inc.
Fund S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
507,609
28.3
T. Rowe Price Small-Mid Cap ETF
Fund S000079837 · Registered fund · Jun 30, 2026
T. Rowe Price Exchange-Traded Funds, Inc., not summed
91,978
28.4
T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund
Fund S000052904 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
52,214
28.5
T. Rowe Price Extended Equity Market Index Fund
Fund S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
14,574
29
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,525,685
29.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
197
30
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,477,233
31
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,306,998
32
2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024
Insider CIK 2034103 · Nov 20, 2025
Insider, issuer-wide
1,235,000
33
John T. Kim 2024 GRAT #1 dtd. 08/09/2024
Insider CIK 2034170 · Nov 4, 2025
Insider, issuer-wide
1,194,000
34
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,161,478
35
2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024
Insider CIK 2034102 · Nov 20, 2025
Insider, issuer-wide
1,124,000
36
Allianz Asset Management GmbH
13F CIK 1535323 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,086,641
36.1
PIMCO RAE US Small Fund
Fund S000048957 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
447,112
36.2
PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF
Fund S000057225 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
3,961
37
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,069,101
38
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,055,656
38.1
Small Cap Value Fund
Fund S000005781 · Registered fund · Jun 30, 2026
American Century Capital Portfolios, Inc., not summed
215,000
38.2
Small Company Fund
Fund S000005981 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
17,881
38.3
Small Cap Dividend Fund
Fund S000075489 · Registered fund · Jun 30, 2026
American Century Capital Portfolios, Inc., not summed
15,331
38.4
Disciplined Value Fund
Fund S000005979 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
10,053
39
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,051,327
39.1
BNY Mellon US Mid Cap Core Equity ETF
Fund S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
19,088
40
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,046,405
40.1
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
3,896
40.2
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
2,225
40.3
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
1,562
41
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,028,138
42
TCW GROUP INC
13F CIK 850401 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,027,777
42.1
TCW Relative Value Large Cap Fund
Fund S000006335 · Registered fund · Jul 31, 2026
TCW FUNDS INC, not summed
81,233
43
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
960,941
43.1
Mid Cap Index Fund
Fund S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
74,113
43.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
3,634
44
Harbor Small Cap Value Fund
Fund S000000689 · Registered fund · Jul 31, 2026
HARBOR FUNDS, not summed
922,991
45
2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024
Insider CIK 2034104 · Nov 20, 2025
Insider, issuer-wide
895,000
46
LSV ASSET MANAGEMENT
13F CIK 1050470 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
844,200
47
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
836,386
47.1
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
586,920
47.2
Fidelity Mid Cap Index Fund
Fund S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
472,411
47.3
Fidelity SAI Small-Mid Cap Momentum Index Fund
Fund S000050321 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
347,555
47.4
Fidelity MSCI Information Technology Index ETF
Fund S000042577 · Registered fund · Jul 31, 2026
FIDELITY COVINGTON TRUST, not summed
261,632
47.5
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
214,323
48
Gotham Asset Management, LLC
13F CIK 1510387 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
816,161
49
WELLS FARGO & COMPANY/MN
13F CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
778,711
50
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
760,465

88 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 831 holders

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Key facts CIK 1047127 CUSIP 031652100 13F (30d) 85 filings 82 filers Visit website Investor relations