How many institutions held AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share in Q1 2016?

128 institutional investors reported AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share for Q1 2016. Use the holders table for investor-level position and value details.

AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (AMKR)

Q: What does CUSIP 031652100 represent in this 13F holders report?

CUSIP 031652100 is the security identifier for AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

CUSIP: 031652100

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Common Stock, par value $0.001 per share
Shares outstanding: 247,825,997
Total 13F shares: 78,692,198
Share change: +826,410
Total reported value: $463,441,983
Put/Call ratio: 83%
Price per share: $5.89
Number of holders: 128
Value change: +$3,770,347
Number of buys: 62
Number of sells: 82

Quarterly Holders Quick Answers

What is CUSIP 031652100?
CUSIP 031652100 identifies AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share in SEC institutional holdings data.

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SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2016
Previous quarter: Q4 2015

Recent filing periods for CUSIP 031652100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
LSV ASSET MANAGEMENT	13F	Company	3.7%	9,262,465	$56,315,000	—	31 Dec 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.9%	7,212,612	$43,854,000	—	31 Dec 2015	13F
VANGUARD GROUP INC	13F	Company	2.8%	6,816,005	$41,441,000	—	31 Dec 2015	13F
Arbiter Partners Capital Management LLC	13F	Company	1.5%	3,772,827	$22,939,000	—	31 Dec 2015	13F
FMR LLC	13F	Company	1.4%	3,476,719	$21,139,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	1.3%	3,324,951	$20,216,000	—	31 Dec 2015	13F
JPMORGAN CHASE & CO	13F	Company	1.2%	3,054,883	$18,574,000	—	31 Dec 2015	13F
BlackRock Fund Advisors	13F	Company	0.99%	2,452,254	$14,910,000	—	31 Dec 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	0.96%	2,377,358	$14,454,000	—	31 Dec 2015	13F
D. E. Shaw & Co., Inc.	13F	Company	0.89%	2,217,768	$13,484,000	—	31 Dec 2015	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.88%	2,184,321	$13,281,000	—	31 Dec 2015	13F
STATE STREET CORP	13F	Company	0.72%	1,781,295	$10,833,000	—	31 Dec 2015	13F
Gotham Asset Management, LLC	13F	Company	0.71%	1,753,173	$10,659,000	—	31 Dec 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.67%	1,663,473	$10,112,000	—	31 Dec 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.63%	1,562,900	$9,502,000	—	31 Dec 2015	13F
Walthausen & Co., LLC	13F	Company	0.5%	1,231,353	$7,487,000	—	31 Dec 2015	13F
NORGES BANK	13F	Company	0.45%	1,112,084	$6,761,000	—	31 Dec 2015	13F
MORGAN STANLEY	13F	Company	0.4%	980,479	$5,961,000	—	31 Dec 2015	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.37%	924,200	$5,619,000	—	31 Dec 2015	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.36%	879,991	$5,350,000	—	31 Dec 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.34%	846,147	$5,145,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	0.34%	834,196	$5,072,000	—	31 Dec 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.32%	804,159	$4,889,000	—	31 Dec 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.3%	751,969	$4,572,000	—	31 Dec 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.3%	733,121	$4,457,000	—	31 Dec 2015	13F
QS Investors, LLC	13F	Company	0.3%	732,337	$4,453,000	—	31 Dec 2015	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.29%	717,678	$4,363,000	—	31 Dec 2015	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.23%	566,910	$3,549,000	—	31 Dec 2015	13F
TFS CAPITAL LLC	13F	Company	0.21%	516,455	$3,140,000	—	31 Dec 2015	13F
BANK OF MONTREAL /CAN/	13F	Company	0.2%	498,882	$3,034,000	—	31 Dec 2015	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	0.18%	435,264	$2,647,000	—	31 Dec 2015	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.17%	431,325	$2,622,000	—	31 Dec 2015	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.17%	427,488	$2,599,000	—	31 Dec 2015	13F
Invesco Ltd.	13F	Company	0.17%	426,915	$2,596,000	—	31 Dec 2015	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.16%	400,036	$2,432,000	—	31 Dec 2015	13F
Century Capital Management, LLC	13F	Company	0.16%	385,140	$2,342,000	—	31 Dec 2015	13F
Nationwide Fund Advisors	13F	Company	0.15%	371,227	$2,257,000	—	31 Dec 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.15%	367,225	$2,233,000	—	31 Dec 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.14%	352,168	$2,141,000	—	31 Dec 2015	13F
HIGHBRIDGE CAPITAL MANAGEMENT LLC	13F	Company	0.13%	309,970	$1,885,000	—	31 Dec 2015	13F
QUENTEC ASSET MANAGEMENT LLC	13F	Company	0.11%	282,819	$1,720,000	—	31 Dec 2015	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.11%	282,679	$1,719,000	—	31 Dec 2015	13F
Hutchin Hill Capital, LP	13F	Company	0.11%	278,084	$1,691,000	—	31 Dec 2015	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.11%	276,398	$1,681,000	—	31 Dec 2015	13F
Sensato Investors LLC	13F	Company	0.11%	273,827	$1,665,000	—	31 Dec 2015	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.1%	260,198	$1,582,000	—	31 Dec 2015	13F
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	13F	Company	0.1%	244,672	$1,488,000	—	31 Dec 2015	13F
ClariVest Asset Management LLC	13F	Company	0.09%	228,700	$1,390,000	—	31 Dec 2015	13F
Vident Investment Advisory, LLC	13F	Company	0.09%	224,993	$1,368,000	—	31 Dec 2015	13F
DUPONT CAPITAL MANAGEMENT CORP	13F	Company	0.09%	224,972	$1,368,000	—	31 Dec 2015	13F

Institutional Holders of AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (AMKR) as of Q1 2016

As of 31 Mar 2016, AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (AMKR) was held by 128 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 78,692,198 shares. The largest 10 holders included LSV ASSET MANAGEMENT, DIMENSIONAL FUND ADVISORS LP, FMR LLC, VANGUARD GROUP INC, JPMORGAN CHASE & CO, NORTHERN TRUST CORP, RENAISSANCE TECHNOLOGIES LLC, Arbiter Partners Capital Management LLC, BlackRock Institutional Trust Company, N.A., and BlackRock Fund Advisors. This page lists 128 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

152

Q1 2016 holders

128

Holder diff

-24

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.