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AMKOR TECHNOLOGY INC
AMKOR TECHNOLOGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q2)
Portfolio Summary: 155 Institutional holders with a total value of $445,653,255.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 VOYA INVESTMENT MANAGEMENT LLC 34,656 199,000 0.04%
102 JACOBS LEVY EQUITY MANAGEMENT, INC 34,000 196,000 0.04%
103 Parallax Volatility Advisers, L.P. 32,486 187,000 0.04%
104 Airain ltd 29,095 167,000 0.04%
105 BANK OF AMERICA CORP /DE/ 28,280 163,000 0.04%
106 Engineers Gate Manager LP 24,985 144,000 0.03%
107 PRINCIPAL FINANCIAL GROUP INC 25,064 144,000 0.03%
108 FOX RUN MANAGEMENT, L.L.C. 23,800 137,000 0.03%
109 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 23,612 136,000 0.03%
110 UNITED CAPITAL FINANCIAL ADVISORS, LLC 20,000 120,000 0.03%
111 UBS Group AG 20,400 117,000 0.03%
112 BARCLAYS PLC 18,900 109,000 0.02% Put
113 BARCLAYS PLC 17,100 98,000 0.02% Call
114 PRICE T ROWE ASSOCIATES INC /MD/ 16,353 94,000 0.02%
115 AMALGAMATED BANK 10,910 93,000 0.02%
116 ROYAL BANK OF CANADA 15,650 90,000 0.02%
117 TEACHER RETIREMENT SYSTEM OF TEXAS 15,039 86,000 0.02%
118 CUTLER GROUP LLC / CA 50,300 85,000 0.02% Put
119 PEAK6 Group LLC 14,410 83,000 0.02%
120 AMP Capital Investors Ltd 14,500 82,000 0.02%
121 JANE STREET GROUP, LLC 14,000 81,000 0.02% Call
122 ProShare Advisors LLC 13,287 76,000 0.02%
123 Spot Trading L.L.C 12,800 74,000 0.02% Put
124 BARINGS LLC 12,700 73,000 0.02%
125 CANADA LIFE ASSURANCE Co 12,740 73,000 0.02%
126 Aperio Group, LLC 12,187 70,000 0.02%
127 Walleye Trading LLC 11,900 69,000 0.02% Put
128 STEVENS CAPITAL MANAGEMENT LP 11,316 65,000 0.01%
129 CITIGROUP INC 10,400 60,000 0.01% Call
130 LOS ANGELES CAPITAL MANAGEMENT LLC 10,200 59,000 0.01%
131 Cubist Systematic Strategies, LLC 10,164 58,000 0.01%
132 Walleye Trading LLC 9,387 54,000 0.01%
133 FEDERATED HERMES, INC. 9,030 52,000 0.01%
134 BNP PARIBAS FINANCIAL MARKETS 9,021 51,871 0.01%
135 NOMURA ASSET MANAGEMENT CO LTD 7,300 42,000 0.01%
136 VALLEY NATIONAL ADVISERS INC 7,000 40,000 0.01%
137 NumerixS Investment Technologies Inc 6,800 39,000 0.01%
138 PEAK6 Group LLC 6,500 37,000 0.01% Call
139 Smithfield Trust Co 5,000 29,000 0.01%
140 PRELUDE CAPITAL MANAGEMENT, LLC 4,568 26,000 0.01%
141 NEXT Financial Group, Inc 4,344 24,000 0.01%
142 Quantbot Technologies LP 3,793 21,000 0.00%
143 Zurcher Kantonalbank (Zurich Cantonalbank) 3,093 18,000 0.00%
144 BROWN BROTHERS HARRIMAN & CO 2,985 17,000 0.00%
145 Spot Trading L.L.C 2,900 17,000 0.00% Call
146 Spot Trading L.L.C 2,942 17,000 0.00%
147 PNC FINANCIAL SERVICES GROUP, INC. 1,053 6,000 0.00%
148 Tower Research Capital LLC (TRC) 600 3,000 0.00%
149 PIEDMONT INVESTMENT ADVISORS INC 431 2,478 0.00%
150 SEI INVESTMENTS CO 404 2,000 0.00%
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.