Amkor Technology Inc

-

Stock Issuer and Owners

Home | Sign Up | Log In
New Features
Latest Fund Raises
Related People
Fund Service Providers
Startup & Company Raises
List of Funds
Boston Firms
Boston Hedge Funds
Cornell Alumni Firms
CalPERS Portfolio
NYSCRF Portfolio
User Guide
Regulatory AUM vs AUM
LP Portfolios
Related Firms
Build a Portfolio
Comprehensive Search
Keyboard
Amkor Technology Inc
TickerAMKR
CIK #0001047127
CUSIP031652100
SectorManufacturing - Semiconductors & Related Devices
Address1900 South Price Road, Chandler, AZ 85248
Source [EDGAR]
CIK Filing 2011 - 2026
[0001047127] 10-K
[0001047127] 10-Q
[0001047127] 3
[0001047127] 4
[0001047127] 5
[0001047127] 8-K
[0001047127] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Group Inc Amkor Technology Inc [2023-02-09] 5.36
BlackRock Inc Amkor Technology Inc [2023-02-03] 5.4
Dimensional Fund Advisors LP Amkor Technology Inc [2018-02-09] 6.28
Vanguard Group Inc Amkor Technology Inc [2018-02-08] 5.04
Cadian Capital Management LLC Amkor Technology Inc [2013-02-14] 6.92
Form 3/4/5 Filer 2011 - 2026
Amkor Technology Inc
Engel Kevin
Rutten Guillaume Marie Jean
Faust Megan
Watson David N
Tily Gil C
Kim Susan Y
Alexander Douglas A
Carolin Roger Anthony
Churchill Winston J
Liao Daniel JL
McCourt MaryFrances
Morse Robert Randolph
Rogers Mark N
Buntyn Cherie
Haghighi Farshad
Kim John T
915 Investments LP
2023 Grantor Retained Annuity Trust of Susan Y Kim Dated 9/
Kim Agnes C
Kim James J
2024 Grantor Retained Annuity Trust of Susan Y Kim dtd 8/5
2024 Grantor Retained Annuity Trust of Agnes C Kim dtd 8/5
2024 Grantor Retained Annuity Trust of James J Kim dtd 8/5
John T Kim 2024 GRAT 1 dtd 08/09/2024
John T Kim 2024 GRAT 2 dtd 08/09/2024
Kim David D
2023 Grantor Retained Annuity Trust of James J Kim Dated 4/
SUJODA Investments LP
Sujoda Management LLC
2023 Grantor Retained Annuity Trust of Agnes C Kim Dated 4/
Liu John D
James J Kim 2021 Qualified Annuity Trust U/A Dated 12/15/20
Agnes C Kim 2020-1 Qualified Annuity Trust Under Agreement
Kim Capital Partners - KCP LLC
Dylan Investments LLC
Family Trust Under the Susan Y Kim 2012 Irrevocable Trust A
Jacqueline Investments LLC
Family Trust under the Susan Y Kim 2018-1 Irrevocable Trust
Alexandra Investments LLC
Family Trust Under the Susan Y Kim 2020-1 Irrevocable Trust
Blaney Liam E
Qualified Annuity Trust under the Susan Y Kim 2018-1 Irrevo
Qualified Annuity Trust under the Susan Y Kim 2020-1 Irrevo
Family Trust Under the John T Kim 2018 Irrevocable Trust AG
Qualified Annuity Trust under the John T Kim 2018 Irrevocab
Qualified Annuity Trust under the James J Kim 2020-1 Annuit
Shin Sung
Qualified Annuity Trust under the James J Kim 2019-1 Qualif
Stone John Charles
Susan Y Kim 2012 Generation-Skipping Trust U/A Dated Decemb
Susins LLC
Qualified Annuity Trust under the James J Kim 2018-1 Qualif
Trust of Kim Susan Y dated 4/16/98 for the benefit of Alexan
Irrevocable Deed of Trust of Susan Y Kim dated 4/16/98 for
Irrevocable Deed of Trust of Susan Y Kim dated 4/16/98 for
James J Kim 2014 Qualified Annuity Trust
Susan Y Kim 2015 Irrevocable Trust U/A Dated March 16 2015
James J Kim 2008 Trust FBO Alexandra Kim Panichello & Desce
James J Kim 2008 Trust FBO Descendants of John T Kim
James J Kim 2008 Trust FBO Dylan James Panichello & Descend
James J Kim 2008 Trust FBO Jacqueline Mary Panichello & Des
Kelley Stephen Douglas
Park Young Kuk
Park Yong Chul
Family Trust Under the John T Kim 2012 Irrevocable Trust AG
James J Kim 2013 Qualified Annuity Trust U/A Dated May 17
John T Kim 2012 Irrevocable Trust
Susan Y Kim 2012 Irrevocable Trust
John T Kim Trust of 12/31/87
Osborne John
ZUG James W
Sujochil LP
David D Kim Trust of 12/31/87
Solomon Joanne
Nakaya Yoshifumi
Lee Choon Heung
Kim JOO Ho
Susan Y Kim Trust of 12/31/87
John T Kim Generation-Skipping Trust
Joyce Kenneth T
Lamble Mike
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Rogers Mark N
Employee Stock Option (Right-to-Buy) · derivative
2026-03-16 Option exercise 5,000 $0.00
Rogers Mark N
Common Stock
2026-03-16 Option exercise 5,000 $7.40 37,000
Rogers Mark N
Common Stock
2026-03-16 Sell 5,000 $44.54 222,700
Buntyn Cherie
Restricted Stock Units · derivative
2026-03-12 Grant 799 $0.00
Watson David N
Common Stock
2026-02-25 Option exercise 20,000 $5.66 113,200
Watson David N
Director Stock Option (Right-to-Buy) · derivative
2026-02-25 Option exercise 20,000 $0.00
Haghighi Farshad
Common Stock
2026-02-25 Sell 15,624 $50.50 789,012
Watson David N
Common Stock
2026-02-25 Tax withheld 2,223 $0.00
Haghighi Farshad
Common Stock
2026-02-24 Option exercise 1,814 $0.00
Rutten Guillaume Marie Jean
Common Stock
2026-02-24 Option exercise 10,748 $0.00
Engel Kevin
Restricted Stock Units · derivative
2026-02-24 Option exercise 910 $0.00
Faust Megan
Restricted Stock Units · derivative
2026-02-24 Option exercise 3,493 $0.00
Rutten Guillaume Marie Jean
Common Stock
2026-02-24 Sell 20,000 $48.80 976,000
Haghighi Farshad
Common Stock
2026-02-24 Tax withheld 815 $48.53 39,552
Rutten Guillaume Marie Jean
Restricted Stock Units · derivative
2026-02-24 Option exercise 10,748 $0.00
Engel Kevin
Common Stock
2026-02-24 Tax withheld 372 $48.53 18,053
Rogers Mark N
Common Stock
2026-02-24 Option exercise 1,880 $0.00
Engel Kevin
Common Stock
2026-02-24 Option exercise 910 $0.00
Rogers Mark N
Common Stock
2026-02-24 Tax withheld 806 $48.53 39,115
Faust Megan
Common Stock
2026-02-24 Option exercise 3,493 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 531 121,585,876
2025-12-31 459 117,335,152
2025-09-30 390 104,931,883
2025-06-30 350 118,423,714
2025-03-31 353 110,272,493
2024-12-31 337 110,487,625
2024-09-30 361 101,891,230
2024-06-30 398 99,528,869
2024-03-31 339 102,771,505
2023-12-31 320 100,045,208
2023-09-30 305 96,803,668
2023-06-30 303 89,357,423
Form 13F Holdings
Firm Period DFND Voting Shares
Covea Finance [2026-06-30] SOLE 162,655 162,655
Assenagon Asset Management SA [2026-06-30] SOLE 123,535 123,535
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 2,533 73,358
Union Bancaire Privee UBP SA [2026-06-30] DFND 49,811 49,811
M & L Capital Management Ltd [2026-06-30] SOLE 41,000 41,000
Oliver Luxxe Assets LLC [2026-06-30] SOLE 0 34,586
Louisiana State Employees Retirement System [2026-06-30] SOLE 33,000 33,000
Yousif Capital Management LLC [2026-06-30] SOLE 9,474 31,564
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 30,890 30,890
Sowell Financial Services LLC [2026-06-30] SOLE 28,286 28,286
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 27,297 27,297
Polianta Ltd [2026-06-30] SOLE 0 24,500
GHP Investment Advisors Inc [2026-06-30] SOLE 22,277 22,904
Alaska Retirement Management Board [2026-06-30] SOLE 115,546 20,652
Silverleafe Capital Partners LLC [2026-06-30] SOLE 0 19,741
BDFS Capital LLC [2026-06-30] SOLE 0 16,673
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 16,104
Arista Wealth Management LLC [2026-06-30] SOLE 0 13,642
Wedmont Private Capital [2026-06-30] SOLE 0 13,051
Counterpoint Mutual Funds LLC [2026-06-30] SOLE 12,084 12,084
Mission Wealth Management LP [2026-06-30] SOLE 0 11,301
Williams & Novak LLC [2026-06-30] SOLE 0 10,289
Gamma Investing LLC [2026-06-30] DFND 10,015 10,015
Atlas Brown Inc [2026-06-30] SOLE 10,000 10,000
Merit Financial Group LLC [2026-06-30] OTR 0 9,812
Curated Wealth Partners LLC [2026-06-30] OTR 0 8,635
Gateway Investment Advisers LLC [2026-06-30] SOLE 8,168 8,168
Clearwave Capital LLC [2026-06-30] SOLE 7,695 7,695
Crossmark Global Holdings Inc [2026-06-30] SOLE 6,808 6,808
NorthCrest Asset Manangement LLC [2026-06-30] SOLE 73 6,477
Prev | Page 1 | Next
Terms | Privacy | Providers | Companies | Guide
tony@aum13f.com