AMKOR TECHNOLOGY, INC.

PublicCIK: 1047127
AMKRNASDAQ
Location

TEMPE, AZ

13F Filings

Institutional Holders

AMKOR TECHNOLOGY, INC.AMKR— Latest position per institution from SEC 13F filings

15

Institutional holders

113.85M

Total shares held

7.31B

Estimated value

5.69M

Avg. position size

1

VANGUARD GROUP INC

CIK 102909

Shares

15.70M

Value

620M

Filed

Dec 31, 2025

2

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

12.39M

Value

143.68K

Filed

Jun 30, 2026

3

BLACKROCK, INC.

CIK 2012383

Shares

12.29M

Value

1.06B

Filed

Jun 30, 2026

4

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

12.14M

Value

485.71M

Filed

Jun 30, 2024

5

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

9.71M

Value

837.51M

Filed

Jun 30, 2026

6

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

8.06M

Value

695.29M

Filed

Jun 30, 2026

7

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

6.70M

Value

577.83M

Filed

Jun 30, 2026

8

JPMORGAN CHASE & CO

CIK 19617

Shares

5.70M

Value

470.03M

Filed

Jun 30, 2026

9

STATE STREET CORP

CIK 93751

Shares

3.73M

Value

321.69M

Filed

Jun 30, 2026

10

AQR CAPITAL MANAGEMENT LLC

CIK 1167557

Shares

3.23M

Value

273.84M

Filed

Jun 30, 2026

11

JANE STREET GROUP, LLC

CIK 1595888

Shares

3.20M

Value

276.08M

Filed

Jun 30, 2026

12

EARNEST PARTNERS LLC

CIK 1102578

Shares

2.85M

Value

245.97M

Filed

Jun 30, 2026

13

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

2.80M

Value

241.33M

Filed

Jun 30, 2026

14

DISCOVERY CAPITAL MANAGEMENT, LLC / CT

CIK 1389507

Shares

2.61M

Value

103.24M

Filed

Dec 31, 2025

15

POINT72 ASSET MANAGEMENT, L.P.

CIK 1603466

Shares

2.57M

Value

221.20M

Filed

Jun 30, 2026

16

INVESCO LTD.

CIK 914208

Shares

2.49M

Value

214.35M

Filed

Jun 30, 2026

17

CITADEL ADVISORS LLC

CIK 1423053

Shares

2.03M

Value

175.15M

Filed

Jun 30, 2026

18

PRINCIPAL FINANCIAL GROUP INC

CIK 1126328

Shares

1.97M

Value

169.85M

Filed

Jun 30, 2026

19

FIRST TRUST ADVISORS LP

CIK 1125816

Shares

1.84M

Value

158.34M

Filed

Jun 30, 2026

20

SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P.

CIK 1812095

Shares

1.83M

Value

158.02M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.