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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
1 Financial Management Professionals, Inc. 30 0 0.00%
2 IFP ADVISORS, INC 200 1,000 0.00%
3 ENTERPRISE FINANCIAL SERVICES CORP 155 1,000 0.00%
4 JAMES INVESTMENT RESEARCH, INC. 300 2,000 0.00%
5 PIEDMONT INVESTMENT ADVISORS INC 431 2,620 0.00%
6 Quantbot Technologies LP 1,000 6,000 0.00%
7 PEAK6 Group LLC 1,414 9,000 0.00%
8 Zurcher Kantonalbank (Zurich Cantonalbank) 3,093 19,000 0.00%
9 Creative Planning 3,250 20,000 0.00%
10 SIMPLEX TRADING, LLC 3,547 21,000 0.00%
11 Tower Research Capital LLC (TRC) 4,364 26,000 0.01%
12 Smithfield Trust Co 5,000 30,000 0.01%
13 VALLEY NATIONAL ADVISERS INC 7,000 43,000 0.01%
14 VICTORY CAPITAL MANAGEMENT INC 8,285 50,000 0.01%
15 TEACHER RETIREMENT SYSTEM OF TEXAS 9,891 60,000 0.01%
16 LOS ANGELES CAPITAL MANAGEMENT LLC 10,180 62,000 0.01%
17 NumerixS Investment Technologies Inc 10,500 64,000 0.01%
18 BANK OF AMERICA CORP /DE/ 10,628 65,000 0.01%
19 BlueCrest Capital Management Ltd 10,800 66,000 0.01%
20 BlackRock Finance, Inc. 11,303 69,000 0.01%
21 OPPENHEIMER & CO INC 11,500 70,000 0.01%
22 JANE STREET GROUP, LLC 12,200 74,000 0.02% Put
23 SG Americas Securities, LLC 12,282 75,000 0.02%
24 BARINGS LLC 12,700 77,000 0.02%
25 CANADA LIFE ASSURANCE Co 12,740 78,000 0.02%
26 PNC FINANCIAL SERVICES GROUP, INC. 13,040 80,000 0.02%
27 BARCLAYS PLC 14,200 85,000 0.02% Put
28 CUTLER GROUP LLC / CA 53,600 85,000 0.02% Put
29 RUSSELL FRANK CO/ 13,623 85,000 0.02%
30 Quantitative Investment Management, LLC 14,200 86,000 0.02%
31 ELLINGTON MANAGEMENT GROUP LLC 14,127 86,000 0.02%
32 Aperio Group, LLC 14,346 87,000 0.02% SH
33 ProShare Advisors LLC 14,400 88,000 0.02%
34 BNP PARIBAS FINANCIAL MARKETS 14,749 89,674 0.02%
35 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 15,309 93,000 0.02%
36 BARCLAYS PLC 16,200 97,000 0.02% Call
37 Walleye Trading LLC 15,887 97,000 0.02%
38 LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 16,320 99,000 0.02%
39 PRICE T ROWE ASSOCIATES INC /MD/ 16,353 99,000 0.02%
40 Princeton Alpha Management LP 16,617 101,000 0.02%
41 Quotient Investors, LLC 17,300 105,000 0.02%
42 BARCLAYS PLC 18,609 111,000 0.02%
43 UNITED CAPITAL FINANCIAL ADVISORS, LLC 20,000 122,000 0.03%
44 UBS Group AG 20,900 127,000 0.03%
45 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 21,726 132,000 0.03%
46 Frontier Wealth Management LLC 21,763 132,000 0.03%
47 PEAK6 Group LLC 21,800 133,000 0.03% Call
48 Spot Trading L.L.C 22,000 134,000 0.03% Call
49 PRINCIPAL FINANCIAL GROUP INC 23,322 142,000 0.03%
50 Walleye Trading LLC 26,600 162,000 0.03% Call
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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.