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ION GEOPHYSICAL CORP COM NEW
ION GEOPHYSICAL CORP COM NEW. Institutional holdings reported to the SEC.

Institutional Holders (2016Q3)
Portfolio Summary: 54 Institutional holders with a total value of $32,424,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Invesco Ltd. 1,795,164 12,297,000 37.93%
2 Gates Capital Management, Inc. 644,460 4,415,000 13.62%
3 VANGUARD GROUP INC 417,326 2,859,000 8.82%
4 DIMENSIONAL FUND ADVISORS LP 265,746 1,820,000 5.61%
5 Neuberger Berman Group LLC 186,732 1,279,000 3.94%
6 BlackRock Institutional Trust Company, N.A. 158,636 1,087,000 3.35%
7 RENAISSANCE TECHNOLOGIES LLC 152,782 1,047,000 3.23%
8 BRIDGEWAY CAPITAL MANAGEMENT, LLC 97,816 670,000 2.07%
9 FULLER & THALER ASSET MANAGEMENT, INC. 82,144 563,000 1.74%
10 NORGES BANK 84,745 554,000 1.71%
11 ROYCE & ASSOCIATES LP 71,880 492,000 1.52%
12 OXFORD ASSET MANAGEMENT LLP 71,238 488,000 1.51%
13 Connor, Clark & Lunn Investment Management Ltd. 68,396 469,000 1.45%
14 Spark Investment Management LLC 67,300 461,000 1.42%
15 JACOBS LEVY EQUITY MANAGEMENT, INC 66,849 458,000 1.41%
16 IMPAX ASSET MANAGEMENT LLC 50,000 343,000 1.06%
17 WELLS FARGO & COMPANY/MN 46,756 320,000 0.99%
18 GEODE CAPITAL MANAGEMENT, LLC 42,046 288,000 0.89%
19 BROOKFIELD Corp /ON/ 37,750 259,000 0.80%
20 MILLENNIUM MANAGEMENT LLC 37,168 255,000 0.79%
21 PARAMETRIC PORTFOLIO ASSOCIATES LLC 36,334 249,000 0.77%
22 Sterling Capital Management LLC 34,041 233,000 0.72%
23 State of New Jersey Common Pension Fund D 30,666 210,000 0.65%
24 DUPONT CAPITAL MANAGEMENT CORP 30,400 208,000 0.64%
25 NORTHERN TRUST CORP 29,689 203,000 0.63%
26 Bank of New York Mellon Corp 26,769 183,000 0.56%
27 BlackRock Fund Advisors 25,888 177,000 0.55%
28 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 15,266 105,000 0.32%
29 HighTower Advisors, LLC 13,333 91,000 0.28%
30 WOLVERINE ASSET MANAGEMENT LLC 12,200 83,000 0.26% Put
31 Virtu KCG Holdings LLC 10,228 70,000 0.22%
32 DEUTSCHE BANK AG\ 6,503 44,000 0.14%
33 EMERALD ACQUISITION LTD. 4,539 31,000 0.10%
34 Nationwide Fund Advisors 3,369 23,000 0.07%
35 UBS Group AG 2,333 16,000 0.05%
36 MORGAN STANLEY 1,998 13,000 0.04%
37 BlackRock Investment Management, LLC 1,610 11,000 0.03%
38 Tower Research Capital LLC (TRC) 1,550 11,000 0.03%
39 Creative Planning 1,612 11,000 0.03%
40 BLACKROCK ADVISORS LLC 1,418 10,000 0.03%
41 SEI INVESTMENTS CO 970 7,000 0.02%
42 SIMPLEX TRADING, LLC 545 3,000 0.01%
43 TCI Wealth Advisors, Inc. 333 2,000 0.01%
44 BANK OF MONTREAL /CAN/ 264 2,000 0.01%
45 JPMORGAN CHASE & CO 217 1,000 0.00%
46 LADENBURG THALMANN FINANCIAL SERVICES INC. 261 1,000 0.00%
47 ADVISOR GROUP, INC. 73 1,000 0.00%
48 Walleye Trading LLC 200 1,000 0.00%
49 Advisory Services Network, LLC 25 0 0.00%
50 MANUFACTURERS LIFE INSURANCE COMPANY, THE 47 0 0.00%
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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.