Ownership Profile

Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 182 210.63 88.96 22,473,067
Mutual Fund 203 108.14 48.41 12,229,997

Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 82 15.71 6.63 1,675,074
Sellers 66 -12.58 5.28 -1,333,680
Net -- 3.12 1.35 341,394

Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 142 60.08 15,177,676
Top 20 Inst. 166.02 70.24 17,744,695
Top 50 Inst. 193.80 81.95 20,701,087
Total Inst. 193.80 81.95 20,701,087

Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 29 55 27.49 5,942,157
CoreGrowth 32 36 17.71 3,827,996
Growth 4 2 0.86 185,737
AggresGr 1 1 0.37 79,000
IncomeValue 3 1 0.29 62,872
Yield 1 0 0.01 2,121
GARP 19 30 14.87 3,213,567
HedgeFund 17 25 12.57 2,718,174
BrokerDealer 15 5 2.29 495,142
Specialty 2 0 0.24 52,945
CoreValue 17 41 20.05 4,333,583
DeepValue 5 3 1.54 332,519
Momentum 1 0 0.01 1,308

Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
Ariel Investments, LLC 3,727,380 14.75 -97,379 12/31/2016
Fidelity Management & Research Company 2,698,380 10.68 23,380 12/31/2016
BlackRock Institutional Trust Company, N.A. 2,449,877 9.70 272,218 12/31/2016
Oaktree Capital Management, L.P. 1,296,813 5.13 0 12/31/2016
The Vanguard Group, Inc. 1,241,070 4.91 34,218 12/31/2016
Dimensional Fund Advisors, L.P. 1,207,056 4.78 -138,530 12/31/2016
American Century Investment Management, Inc. 967,394 3.83 304,740 12/31/2016
Columbia Threadneedle Investments (US) 655,070 2.59 73,243 12/31/2016
AQR Capital Management, LLC 487,052 1.93 77,405 12/31/2016
State Street Global Advisors (US) 447,584 1.77 35,228 12/31/2016
Cortina Asset Management L.L.C. 380,742 1.51 -15,444 12/31/2016
Pacific Alternative Asset Management Company, LLC 336,225 1.33 0 12/31/2016
Keel (Allan D) 300,761 1.19 60,300 10/20/2016
Norges Bank Investment Management (NBIM) 253,619 1.00 0 06/30/2015
Northern Trust Investments, Inc. 238,489 0.94 905 12/31/2016
Parametric Portfolio Associates LLC 236,523 0.94 10,782 12/31/2016
California Public Employees' Retirement System 224,852 0.89 108,100 12/31/2016
Invesco PowerShares Capital Management LLC 217,217 0.86 38,197 12/31/2016
Matarin Capital Management, LLC 191,378 0.76 -24,607 12/31/2016
TIAA Global Asset Management 187,213 0.74 -5,844 12/31/2016
GRT Capital Partners, LLC 175,224 0.69 -125,585 12/31/2016
Geode Capital Management, L.L.C. 169,477 0.67 -27,621 12/31/2016
Principal Global Investors (Equity) 166,734 0.66 5,883 12/31/2016
The Boston Company Asset Management, LLC 139,313 0.55 0 12/31/2016
Grady (E Joseph) 138,737 0.55 25,825 11/12/2016
BlackRock Investment Management, LLC 123,690 0.49 18,228 12/31/2016
Morgan Stanley & Co. LLC 122,128 0.48 26,336 12/31/2016
New York State Common Retirement System 119,676 0.47 0 12/31/2016
TFS Capital LLC 110,179 0.44 -36,808 12/31/2016
Goldman Sachs & Company, Inc. 109,487 0.43 3,428 12/31/2016
Charles Schwab Investment Management, Inc. 104,261 0.41 36,976 12/31/2016
Mellon Capital Management Corporation 102,308 0.40 16,354 12/31/2016
Messner & Smith Theme Value Investment Management, 100,879 0.40 -1,112 12/31/2016
Connor, Clark & Lunn Investment Management Ltd. 99,175 0.39 41,575 12/31/2016
Quantitative Management Associates LLC 93,016 0.37 13,550 12/31/2016
Mengle (Jay S) 87,594 0.35 19,583 11/12/2016
Ranger Investment Management, L.P. 86,490 0.34 3,657 12/31/2016
Cornerstone Capital Management Holdings LLC 80,000 0.32 7,900 12/31/2016
PanAgora Asset Management Inc. 79,380 0.31 73,222 12/31/2016
Bridgeway Capital Management, Inc. 79,000 0.31 0 12/31/2016
Two Sigma Investments, LP 77,572 0.31 -49,482 12/31/2016
Martingale Asset Management, L.P. 75,619 0.30 -25,623 12/31/2016
Citi Investment Research (US) 74,432 0.29 52,643 12/31/2016
J.P. Morgan Securities LLC 72,976 0.29 14,621 12/31/2016
Atkins (Thomas H) 71,688 0.28 20,383 11/12/2016
Deutsche Asset Management Americas 61,494 0.24 -18,409 12/31/2016
BNY Mellon Asset Management 60,285 0.24 -3,426 12/31/2016
Jennison Associates LLC 59,087 0.23 -223 12/31/2016
Los Angeles Capital Management And Equity Research 58,592 0.23 0 12/31/2016
New York State Teachers' Retirement System 57,899 0.23 600 12/31/2016

Ownership data is provided by Thomson Reuters, a third party service, and Contango Oil & Gas Co. does not maintain or provide information directly to this service.