Dark
Light
System
Security
AMKOR TECHNOLOGY INC
AMKOR TECHNOLOGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 168 Institutional holders with a total value of $482,091,960.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 WELLS FARGO & COMPANY/MN 54,318 331,000 0.07%
102 ROYAL BANK OF CANADA 54,506 331,000 0.07%
103 Walleye Trading LLC 50,900 309,000 0.06% Put
104 MENTA CAPITAL LLC 50,720 308,000 0.06%
105 SUSQUEHANNA INTERNATIONAL GROUP, LLP 47,900 291,000 0.06% Call
106 Livforsakringsbolaget Skandia, Omsesidigt 46,700 284,000 0.06%
107 BLACKROCK ADVISORS LLC 41,055 250,000 0.05%
108 Airain ltd 40,059 244,000 0.05%
109 FEDERATED HERMES, INC. 38,353 233,000 0.05%
110 Virtu KCG Holdings LLC 34,700 211,000 0.04%
111 TUDOR INVESTMENT CORP ET AL 33,942 206,000 0.04%
112 NOMURA HOLDINGS INC 31,827 195,000 0.04%
113 Spot Trading L.L.C 31,616 192,000 0.04%
114 VOYA INVESTMENT MANAGEMENT LLC 31,120 189,000 0.04%
115 WHV Investments, Inc. 30,925 188,000 0.04%
116 CITIGROUP INC 27,900 170,000 0.04% Call
117 GOLDMAN SACHS GROUP INC 27,400 167,000 0.03% Call
118 Walleye Trading LLC 26,600 162,000 0.03% Call
119 Cubist Systematic Strategies, LLC 26,563 162,000 0.03%
120 PRINCIPAL FINANCIAL GROUP INC 23,322 142,000 0.03%
121 Spot Trading L.L.C 22,000 134,000 0.03% Call
122 PEAK6 Group LLC 21,800 133,000 0.03% Call
123 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 21,726 132,000 0.03%
124 Frontier Wealth Management LLC 21,763 132,000 0.03%
125 UBS Group AG 20,900 127,000 0.03%
126 UNITED CAPITAL FINANCIAL ADVISORS, LLC 20,000 122,000 0.03%
127 BARCLAYS PLC 18,609 111,000 0.02%
128 Quotient Investors, LLC 17,300 105,000 0.02%
129 Princeton Alpha Management LP 16,617 101,000 0.02%
130 LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 16,320 99,000 0.02%
131 PRICE T ROWE ASSOCIATES INC /MD/ 16,353 99,000 0.02%
132 Walleye Trading LLC 15,887 97,000 0.02%
133 BARCLAYS PLC 16,200 97,000 0.02% Call
134 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 15,309 93,000 0.02%
135 BNP PARIBAS FINANCIAL MARKETS 14,749 89,674 0.02%
136 ProShare Advisors LLC 14,400 88,000 0.02%
137 Aperio Group, LLC 14,346 87,000 0.02% SH
138 ELLINGTON MANAGEMENT GROUP LLC 14,127 86,000 0.02%
139 Quantitative Investment Management, LLC 14,200 86,000 0.02%
140 BARCLAYS PLC 14,200 85,000 0.02% Put
141 RUSSELL FRANK CO/ 13,623 85,000 0.02%
142 CUTLER GROUP LLC / CA 53,600 85,000 0.02% Put
143 PNC FINANCIAL SERVICES GROUP, INC. 13,040 80,000 0.02%
144 CANADA LIFE ASSURANCE Co 12,740 78,000 0.02%
145 BARINGS LLC 12,700 77,000 0.02%
146 SG Americas Securities, LLC 12,282 75,000 0.02%
147 JANE STREET GROUP, LLC 12,200 74,000 0.02% Put
148 OPPENHEIMER & CO INC 11,500 70,000 0.01%
149 BlackRock Finance, Inc. 11,303 69,000 0.01%
150 BlueCrest Capital Management Ltd 10,800 66,000 0.01%
Page 3 of 4

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.