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

Institutional Holders (2016Q3)
Portfolio Summary: 183 Institutional holders with a total value of $782,315,499.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 SIMPLEX TRADING, LLC 47,901 465,000 0.06%
102 Allianz Asset Management GmbH 47,580 462,000 0.06%
103 ROYAL BANK OF CANADA 47,400 461,000 0.06% Call
104 CITADEL ADVISORS LLC 45,700 444,000 0.06% Call
105 Horizon Kinetics LLC 44,532 433,000 0.06%
106 Parallax Volatility Advisers, L.P. 43,717 425,000 0.05%
107 BARCLAYS PLC 40,864 397,000 0.05%
108 SUSQUEHANNA INTERNATIONAL GROUP, LLP 40,730 396,000 0.05%
109 CITIGROUP INC 39,471 384,000 0.05%
110 Zebra Capital Management LLC 38,440 374,000 0.05%
111 Trexquant Investment LP 37,207 362,000 0.05%
112 Princeton Alpha Management LP 34,688 337,000 0.04%
113 VOYA INVESTMENT MANAGEMENT LLC 34,656 337,000 0.04%
114 ADAMS DIVERSIFIED EQUITY FUND, INC. 56,700 326,000 0.04%
115 CITIGROUP INC 33,400 325,000 0.04% Put
116 BAYESIAN CAPITAL MANAGEMENT, LP 32,800 319,000 0.04%
117 WOLVERINE TRADING LP /BD 33,166 316,000 0.04%
118 CITADEL ADVISORS LLC 32,200 313,000 0.04% Put
119 ACADIAN ASSET MANAGEMENT LLC 31,717 308,000 0.04%
120 WOLVERINE TRADING LP /BD 32,000 305,000 0.04% Put
121 CAPITAL FUND MANAGEMENT S.A. 29,700 289,000 0.04%
122 CLINTON GROUP INC 27,430 267,000 0.03%
123 Sensato Investors LLC 27,002 262,000 0.03%
124 PANAGORA ASSET MANAGEMENT INC 26,717 260,000 0.03%
125 Walleye Trading LLC 26,567 258,000 0.03%
126 FOX RUN MANAGEMENT, L.L.C. 26,400 257,000 0.03%
127 Parkwood LLC 26,156 254,000 0.03%
128 Squarepoint Ops LLC 25,831 251,000 0.03%
129 PEAK6 Group LLC 24,852 242,000 0.03%
130 PRINCIPAL FINANCIAL GROUP INC 23,936 233,000 0.03%
131 SUMMIT SECURITIES GROUP LLC 23,654 230,000 0.03%
132 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 23,612 230,000 0.03%
133 SG Americas Securities, LLC 23,058 224,000 0.03%
134 RBF Capital, LLC 23,000 224,000 0.03%
135 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 21,533 209,000 0.03%
136 Cubist Systematic Strategies, LLC 21,211 206,000 0.03%
137 UNITED CAPITAL FINANCIAL ADVISORS, LLC 20,000 194,000 0.02%
138 CHICAGO EQUITY PARTNERS LLC 19,890 193,000 0.02%
139 QUADRATURE CAPITAL LTD 18,609 181,000 0.02%
140 Westover Capital Advisors, LLC 18,487 180,000 0.02%
141 PEAK6 Group LLC 18,000 175,000 0.02% Call
142 FEDERATED HERMES, INC. 17,737 173,000 0.02%
143 CIBC WORLD MARKET INC. 17,228 167,000 0.02%
144 PRICE T ROWE ASSOCIATES INC /MD/ 16,353 159,000 0.02%
145 GSA CAPITAL PARTNERS LLP 15,995 155,000 0.02%
146 ROYAL BANK OF CANADA 15,366 149,000 0.02%
147 Aperio Group, LLC 14,436 140,000 0.02%
148 AMP Capital Investors Ltd 14,500 138,000 0.02%
149 BNP PARIBAS FINANCIAL MARKETS 13,193 128,236 0.02%
150 Numeric Investors LLC 13,000 126,000 0.02%
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.