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

CUSIP 031652100 is the security identifier for AMKR - AMKOR TECHNOLOGY, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held AMKR - AMKOR TECHNOLOGY, INC. - Common Stock in Q4 2016?

182 institutional investors reported AMKR - AMKOR TECHNOLOGY, INC. - Common Stock for Q4 2016. Use the holders table for investor-level position and value details.

AMKOR TECHNOLOGY, INC. - Common Stock (AMKR)

CUSIP: 031652100

Q4 2016 13F Holders as of 31 Dec 2016

Type / Class: Equity / Common Stock
Shares outstanding: 249,806,114
Total 13F shares: 88,933,959
Share change: +7,383,045
Total reported value: $938,638,626
Put/Call ratio: 92%
Price per share: $10.55
Number of holders: 182
Value change: +$78,642,402
Number of buys: 102
Number of sells: 72

Quarterly Holders Quick Answers

What is CUSIP 031652100?
CUSIP 031652100 identifies AMKR - AMKOR TECHNOLOGY, INC. - Common Stock in SEC institutional holdings data.

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Newer quarter: Q1 2017
Previous quarter: Q3 2016

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 (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
DIMENSIONAL FUND ADVISORS LP	13F	Company	4.2%	10,500,568	$102,064,000	—	30 Sep 2016	13F
LSV ASSET MANAGEMENT	13F	Company	3.3%	8,295,771	$80,634,000	—	30 Sep 2016	13F
VANGUARD GROUP INC	13F	Company	2.9%	7,269,064	$70,655,000	—	30 Sep 2016	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.6%	3,947,200	$38,367,000	—	30 Sep 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.3%	3,366,842	$32,726,000	—	30 Sep 2016	13F
NORTHERN TRUST CORP	13F	Company	1.3%	3,341,797	$32,483,000	—	30 Sep 2016	13F
JPMORGAN CHASE & CO	13F	Company	1.2%	3,107,299	$30,203,000	—	30 Sep 2016	13F
BlackRock Fund Advisors	13F	Company	1.1%	2,676,456	$26,015,000	—	30 Sep 2016	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.97%	2,430,132	$23,621,000	—	30 Sep 2016	13F
D. E. Shaw & Co., Inc.	13F	Company	0.87%	2,162,124	$21,016,000	—	30 Sep 2016	13F
STATE STREET CORP	13F	Company	0.84%	2,105,896	$20,468,000	—	30 Sep 2016	13F
FMR LLC	13F	Company	0.72%	1,795,531	$17,453,000	—	30 Sep 2016	13F
NORGES BANK	13F	Company	0.55%	1,383,667	$12,845,000	—	30 Sep 2016	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.5%	1,261,185	$12,259,000	—	30 Sep 2016	13F
MORGAN STANLEY	13F	Company	0.46%	1,138,700	$11,067,000	—	30 Sep 2016	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.42%	1,051,994	$10,225,000	—	30 Sep 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.42%	1,046,256	$10,170,000	—	30 Sep 2016	13F
Matarin Capital Management, LLC	13F	Company	0.4%	1,000,682	$9,726,629	—	30 Sep 2016	13F
CITADEL ADVISORS LLC	13F	Company	0.38%	947,227	$9,207,000	—	30 Sep 2016	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.37%	924,459	$8,986,000	—	30 Sep 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.35%	873,803	$8,492,000	—	30 Sep 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.33%	831,765	$8,085,000	—	30 Sep 2016	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.31%	776,965	$7,552,000	—	30 Sep 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.3%	761,566	$7,403,000	—	30 Sep 2016	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.29%	731,401	$7,109,000	—	30 Sep 2016	13F
Bank of New York Mellon Corp	13F	Company	0.28%	689,704	$6,704,000	—	30 Sep 2016	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.27%	669,554	$6,508,000	—	30 Sep 2016	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.24%	605,193	$5,882,000	—	30 Sep 2016	13F
Nationwide Fund Advisors	13F	Company	0.24%	603,324	$5,864,000	—	30 Sep 2016	13F
AJO, LP	13F	Company	0.24%	589,655	$5,731,000	—	30 Sep 2016	13F
QS Investors, LLC	13F	Company	0.23%	562,766	$5,470,000	—	30 Sep 2016	13F
HIGHBRIDGE CAPITAL MANAGEMENT LLC	13F	Company	0.22%	553,797	$5,383,000	—	30 Sep 2016	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.18%	457,491	$4,447,000	—	30 Sep 2016	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	0.18%	442,319	$4,300,000	—	30 Sep 2016	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.17%	436,838	$4,246,000	—	30 Sep 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.17%	412,398	$4,009,000	—	30 Sep 2016	13F
Invesco Ltd.	13F	Company	0.16%	396,189	$3,851,000	—	30 Sep 2016	13F
BLACKROCK ADVISORS LLC	13F	Company	0.15%	382,801	$3,721,000	—	30 Sep 2016	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.15%	375,363	$3,649,000	—	30 Sep 2016	13F
SECOR Capital Advisors, LP	13F	Company	0.14%	345,226	$3,356,000	—	30 Sep 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.13%	334,173	$3,248,000	—	30 Sep 2016	13F
FIRST TRUST ADVISORS LP	13F	Company	0.11%	263,393	$2,560,000	—	30 Sep 2016	13F
BANK OF MONTREAL /CAN/	13F	Company	0.1%	252,908	$2,458,000	—	30 Sep 2016	13F
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	13F	Company	0.09%	231,285	$2,248,000	—	30 Sep 2016	13F
Spark Investment Management LLC	13F	Company	0.09%	228,200	$2,218,000	—	30 Sep 2016	13F
AXA S.A.	13F	Company	0.09%	226,260	$2,199,000	—	30 Sep 2016	13F
CREDIT SUISSE AG/	13F	Company	0.09%	214,207	$2,083,000	—	30 Sep 2016	13F
Convergence Investment Partners, LLC	13F	Company	0.09%	212,490	$2,065,000	—	30 Sep 2016	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.08%	211,977	$2,060,000	—	30 Sep 2016	13F
Legal & General Group Plc	13F	Company	0.08%	207,960	$2,018,000	—	30 Sep 2016	13F

Institutional Holders of AMKOR TECHNOLOGY, INC. - Common Stock (AMKR) as of Q4 2016

As of 31 Dec 2016, AMKOR TECHNOLOGY, INC. - Common Stock (AMKR) was held by 182 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 88,933,959 shares. The largest 10 holders included DIMENSIONAL FUND ADVISORS LP, VANGUARD GROUP INC, LSV ASSET MANAGEMENT, RENAISSANCE TECHNOLOGIES LLC, BlackRock Institutional Trust Company, N.A., BlackRock Fund Advisors, NORTHERN TRUST CORP, JPMORGAN CHASE & CO, D. E. Shaw & Co., Inc., and STATE STREET CORP. This page lists 182 institutional shareholders reporting positions in this security for the Q4 2016 filing period.

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

Compare Q4 2016 vs Q3 2016 Across Filers

Q3 2016 holders

163

Q4 2016 holders

182

Holder diff

Investor	Q3 2016 Shares	Q4 2016 Shares	Share Diff	Share Chg %	Q3 2016 Value $	Q4 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.