Amkor Technology Inc (AMKR) Ownership

18.30 ↓0.02 (-0.11%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

Vanguard Group Inc is the biggest individual institutional holder of Amkor Technology Inc (AMKR), owning a total of 15.7 million shares. Combined, the top 37 institutional holders of AMKR own 43.99% of the company with a total of 108.5 million shares.

In the latest ownership report on December 31st 2024, the top 37 institutional holders increased their combined ownership of AMKR by 3.2 million shares. 15 institutions bought 5,024,623 total additional shares and increased their ownership by an average of 15.50%. However 6 institutions sold 1,804,288 total shares and decreased their ownership by an average of 7.17%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Amkor Technology increased by a net total of 3,220,335 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	6.349%	7.494%	15,664,226	1,092,002	2024-12-31
Dimensional Fund Advisors, Inc.	5.282%	-2.739%	13,032,455	-366,971	2024-12-31
BlackRock Inc	4.408%	-4.699%	10,876,647	-536,322	2024-12-31
LSV Asset Management	2.134%	-2.485%	5,265,054	-134,184	2024-12-31
First Trust Advisors L.P.	1.937%	7.923%	4,778,790	350,809	2024-12-31
AllianceBernstein L.P.	1.654%	15.796%	4,081,481	556,761	2024-12-31
Pacer Advisors, INC.	1.555%	1.294%	3,836,592	49,027	2024-12-31
State Street Corp	1.448%	6.483%	3,573,367	217,550	2024-12-31
American Century Companies Inc	1.098%	24.367%	2,709,002	530,771	2024-12-31
Earnest Partners LLC	0.944%	-0.840%	2,328,571	-19,725	2024-12-31
Geode Capital Management, LLC	0.855%	0.726%	2,109,507	15,211	2024-12-31
Charles Schwab Investment Management Inc	0.813%	6.778%	2,006,273	127,361	2024-12-31
Principal Financial Group Inc	0.799%	44.906%	1,972,293	611,209	2024-12-31
Ceredex Value Advisors LLC	0.738%	30.822%	1,821,700	429,200	2024-12-31
AQR Capital Management LLC	0.735%	-27.290%	1,814,357	-680,963	2024-12-31
Bank of New York Mellon Corp	0.651%	20.599%	1,605,889	274,300	2024-12-31
Wellington Management Company LLP	0.620%	34.851%	1,529,348	395,242	2024-12-31
SW Investment Management LLC USD	0.568%	8.949%	1,400,000	115,000	2024-12-31
SW Investment Management LLC	0.567%	8.949%	1,400,000	115,000	2024-12-31
Morgan Stanley - Brokerage Accounts	0.528%	12.546%	1,302,358	145,180	2024-12-31
NORGES BANK	0.512%	-4.970%	1,264,281	-66,123	2024-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	6.349%	7.494%	15,664,226	1,092,002	2024-12-31
Dimensional Fund Advisors, Inc.	5.282%	-2.739%	13,032,455	-366,971	2024-12-31
BlackRock Inc	4.408%	-4.699%	10,876,647	-536,322	2024-12-31
LSV Asset Management	2.134%	-2.485%	5,265,054	-134,184	2024-12-31
First Trust Advisors L.P.	1.937%	7.923%	4,778,790	350,809	2024-12-31
AllianceBernstein L.P.	1.654%	15.796%	4,081,481	556,761	2024-12-31
Pacer Advisors, INC.	1.555%	1.294%	3,836,592	49,027	2024-12-31
State Street Corporation	1.557%	2.940%	3,836,397	109,561	2024-03-31
State Street Corp	1.448%	6.483%	3,573,367	217,550	2024-12-31
American Century Companies Inc	1.098%	24.367%	2,709,002	530,771	2024-12-31
Earnest Partners LLC	0.944%	-0.840%	2,328,571	-19,725	2024-12-31
Geode Capital Management, LLC	0.855%	0.726%	2,109,507	15,211	2024-12-31
Charles Schwab Investment Management Inc	0.813%	6.778%	2,006,273	127,361	2024-12-31
Principal Financial Group Inc	0.799%	44.906%	1,972,293	611,209	2024-12-31
Bandera Partners LLC	0.744%	0.000%	1,827,921	0	2023-03-31
Ceredex Value Advisors LLC	0.738%	30.822%	1,821,700	429,200	2024-12-31
AQR Capital Management LLC	0.735%	-27.290%	1,814,357	-680,963	2024-12-31
Northern Trust Corp	0.666%	-0.173%	1,642,078	-2,846	2024-06-30
Bank of New York Mellon Corp	0.651%	20.599%	1,605,889	274,300	2024-12-31
Goldman Sachs Group Inc	0.632%	-44.805%	1,557,060	-1,263,948	2024-03-31
FMR Inc	0.631%	35.706%	1,555,392	409,241	2024-09-30
Ameriprise Financial Inc	0.627%	4.447%	1,543,773	65,727	2023-12-31
Wellington Management Company LLP	0.620%	34.851%	1,529,348	395,242	2024-12-31
Arrowstreet Capital Limited Partnership	0.606%	83.922%	1,493,722	681,570	2024-06-30
Driehaus Capital Management LLC	0.592%	0.000%	1,458,746	1,458,746	2024-06-30
Amvescap Plc.	0.582%	16.198%	1,435,351	200,090	2024-06-30
SW Investment Management LLC USD	0.568%	8.949%	1,400,000	115,000	2024-12-31
SW Investment Management LLC	0.567%	8.949%	1,400,000	115,000	2024-12-31
Millennium Management LLC	0.552%	359.732%	1,360,292	1,064,404	2024-06-30
Morgan Stanley - Brokerage Accounts	0.528%	12.546%	1,302,358	145,180	2024-12-31
NORGES BANK	0.512%	-4.970%	1,264,281	-66,123	2024-12-31
Westwood Holdings Group Inc	0.501%	10.992%	1,235,280	122,338	2024-09-30
JPMorgan Chase & Co	0.474%	24.289%	1,161,855	227,056	2022-09-30
Fuller & Thaler Asset Management Inc	0.471%	-65.485%	1,156,091	-2,193,459	2023-03-31
Marshall Wace Asset Management Ltd	0.419%	0.000%	1,030,664	1,030,664	2023-09-30
Royce & Associates, LP	0.403%	-14.559%	985,931	-168,000	2022-09-30
Nuveen Asset Management, LLC	0.344%	-1.706%	844,732	-14,660	2022-12-31

Mutual Fund Ownership

Sapphire Star Capital Small Cap Growth is the biggest individual fund holder of Amkor Technology Inc (AMKR), owning a total of 6.1 million shares. Combined, the top 41 mutual fund holders of AMKR own 30.37% of the company with a total of 74.8 million shares.

In the latest ownership report on February 28th 2025, the top 41 fund holders increased their combined ownership of AMKR by 31 thousand shares. 9 funds bought 38,016 total additional shares and increased their ownership by an average of 0.25%. However 1 funds sold 7,034 total shares and decreased their ownership by an average of 0.34%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Amkor Technology increased by a net total of 30,982 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Total Stock Mkt Idx Inv	1.565%	0.054%	3,860,891	2,082	2025-02-28
Pacer US Cash Cows 100 ETF	1.551%	0.148%	3,825,635	5,642	2025-02-28
iShares Core S&P Mid-Cap ETF	1.495%	0.075%	3,688,743	2,760	2025-02-28
Vanguard Small Cap Index	1.276%	0.081%	3,148,109	2,562	2025-02-28
Vanguard Information Technology ETF	1.035%	0.254%	2,553,847	6,479	2025-02-28
Vanguard Small Cap Value Index Inv	0.841%	-0.338%	2,073,675	-7,034	2025-02-28
Vanguard Institutional Extnd Mkt Idx Tr	0.697%	0.438%	1,719,528	7,494	2025-02-28
Dimensional US Targeted Value ETF	0.494%	0.039%	1,219,711	477	2025-02-28
Dimensional US Small Cap Value ETF	0.390%	0.188%	963,256	1,808	2025-02-28
SPDR® S&P MIDCAP 400 ETF Trust	0.372%	0.960%	916,536	8,712	2025-02-28

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Sapphire Star Capital Small Cap Growth	2.489%	1,564,520.000%	6,117,647	6,117,256	2023-06-30
Sapphire Star Capital Mid Cap Growth	2.134%	0.000%	5,243,697	5,243,697	2023-06-30
Vanguard Total Stock Mkt Idx Inv	1.565%	0.054%	3,860,891	2,082	2025-02-28
Pacer US Cash Cows 100 ETF	1.551%	0.148%	3,825,635	5,642	2025-02-28
iShares Core S&P Mid-Cap ETF	1.495%	0.075%	3,688,743	2,760	2025-02-28
DFA US Small Cap Value I	1.490%	0.000%	3,676,105	0	2025-01-31
First Trust SMID Cp Rising Div Achv ETF	1.412%	0.215%	3,482,723	7,460	2025-02-27
Vanguard Small Cap Index	1.276%	0.081%	3,148,109	2,562	2025-02-28
Vanguard Instl Ttl Stck Mkt Idx Tr	1.249%	-8.748%	3,069,775	-294,299	2023-03-31
iShares Russell 2000 ETF	1.050%	0.767%	2,585,602	19,668	2024-05-30
Vanguard Information Technology ETF	1.035%	0.254%	2,553,847	6,479	2025-02-28
Vanguard Small Cap Value Index Inv	0.841%	-0.338%	2,073,675	-7,034	2025-02-28
DFA US Targeted Value I	0.719%	0.000%	1,774,900	0	2025-01-31
Vanguard Institutional Extnd Mkt Idx Tr	0.697%	0.438%	1,719,528	7,494	2025-02-28
First Trust Nasdaq Semiconductor ETF	0.679%	-0.987%	1,674,982	-16,695	2024-11-28
American Century U.S. Small Cap Value	0.557%	30.952%	1,375,000	325,000	2024-12-31
American Century Small Cap Value Inv	0.557%	30.952%	1,375,000	325,000	2024-12-31
Vanguard Extended Market Index Investor	0.549%	-0.343%	1,349,578	-4,650	2023-08-31
DFA US Small Cap I	0.530%	0.000%	1,307,269	0	2025-01-31
Dimensional US Targeted Value ETF	0.494%	0.039%	1,219,711	477	2025-02-28
EARNEST Small Cap Value	0.487%	65,501.300%	1,197,223	1,195,398	2023-12-31
Fidelity Small Cap Index	0.477%	4.675%	1,175,197	52,490	2024-06-30
Ceredex Mid Cap Value Equity	0.476%	0.000%	1,174,100	0	2024-12-31
Vanguard Strategic Equity Inv	0.453%	0.000%	1,116,833	0	2024-12-31
Fuller & Thaler Behavioral Small-Cap Eq	0.441%	0.000%	1,083,508	0	2023-05-31
Fuller & Thaler Behavioral Sm-Cp Eq R6	0.441%	-65.379%	1,083,508	-2,046,088	2023-03-31
Virtus Ceredex Mid-Cap Value Equity I	0.430%	0.000%	1,060,000	0	2024-12-31
iShares Russell 2000 Value ETF	0.417%	-0.132%	1,025,278	-1,358	2024-05-30
Fidelity® Small Cap Index	0.402%	2.760%	986,725	26,506	2023-10-31
Dimensional US Small Cap Value ETF	0.390%	0.188%	963,256	1,808	2025-02-28
Harbor Small Cap Value Instl	0.386%	-1.510%	952,703	-14,608	2024-12-31
Fidelity Dividend Growth	0.379%	-3.173%	933,800	-30,600	2024-11-30
AB Discovery Value Advisor	0.378%	0.000%	933,554	0	2025-01-31
SPDR® S&P MIDCAP 400 ETF Trust	0.372%	0.960%	916,536	8,712	2025-02-28
First Trust Technology AlphaDEX® ETF	0.357%	0.000%	880,646	0	2025-02-27
Strategic Advisers® Small-Mid Cap	0.306%	-0.204%	750,925	-1,536	2023-08-31
DFA US Core Equity 2 I	0.293%	0.000%	721,239	0	2024-08-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.292%	0.000%	718,997	0	2024-08-31
Invesco Semiconductors ETF	0.288%	0.000%	709,297	0	2024-08-31
iShares S&P Mid-Cap 400 Growth ETF	0.273%	0.000%	670,832	0	2023-03-31
Avantis® U.S. Small Cap Value ETF	0.271%	0.000%	663,502	0	2023-02-28