Investor relations

Institutional Ownership

View Insider Ownership Information  Ownership > 100%  Ownership Information Shares Outstanding 27,045,124 Short Interest Shares 544,056 Float (%) 88.87 Institutional Ownership (%) 69.40 Mutual Fund Ownership (%) 23.42 Insider Ownership (%) 11.13 Top 10 Instn Holders (%) 39.38 Ownership Activity Description Holders Shares Total Positions 88 18,769,647 New Positions 17 1,594,052 Increased Positions 30 1,210,612 Decreased Positions 27 (2,138,867) Soldout Positions 6 (196,072) Net Change   (928,255) View:  Institutional OwnershipMutual Fund   Owners:    Company Shares %Out Value ($) Reported Change Legg Mason Capital Management LLC 2,121,795 7.85 22,597,117 5/31/2013 (1,117,715) BlackRock Fund Advisors 1,267,796 4.69 13,502,027 3/31/2013 147,382 Ariel Investments LLC 1,264,301 4.67 13,464,806 3/31/2013 191,995 Next Century Growth Investors LLC 1,076,739 3.98 11,467,270 3/31/2013 34,073 Lyon Street Capital LLC 1,018,415 3.77 10,846,120 3/31/2013 (154,737) Renaissance Technologies LLC 994,700 3.68 10,593,555 3/31/2013 71,200 William Blair Investment Management 959,801 3.55 10,221,881 3/31/2013 60,200 Dimensional Fund Advisors LP 709,810 2.62 7,559,477 3/31/2013 (1,400) Wall Street Associates LLC 638,200 2.36 6,796,830 3/31/2013 638,200 T. Rowe Price Associates Inc. 600,000 2.22 6,390,000 3/31/2013 (23,537) Vanguard Group Inc. 576,767 2.13 6,142,569 3/31/2013 34,533 AWM Investment Co. Inc. 560,445 2.07 5,968,739 3/31/2013 122,445 Continental Advisors LLC 558,887 2.07 5,952,147 3/31/2013 (541,620) Cortina Asset Management LLC 554,195 2.05 5,902,177 3/31/2013 554,195 Portolan Capital Management LLC 477,253 1.76 5,082,744 3/31/2013 (11,855) Prescott Investors, Inc. 355,158 1.31 3,782,433 3/31/2013 0 Driehaus Capital Management LLC 352,043 1.30 3,749,258 3/31/2013 86,913 Russell Investment Group 311,302 1.15 3,315,366 3/31/2013 55,324 Lane Five Capital Management LP 306,822 1.13 3,267,654 3/31/2013 0 Northern Trust Global Investments Ltd. 297,065 1.10 3,163,742 3/31/2013 1,687 Grandeur Peak Global Advisors LLC 291,974 1.08 3,109,523 3/31/2013 125,300 State Street Global Advisors Inc. 273,065 1.01 2,908,142 3/31/2013 (15,267) Essex Investment Management Co. LLC 272,450 1.01 2,901,593 3/31/2013 (39,623) Nicholas Investment Partners L.P. 250,425 .93 2,667,026 3/31/2013 54,144 California Public Employees' Retirement System 206,470 .76 2,198,906 3/31/2013 0 EAM Investors LLC 180,407 .67 1,921,335 3/31/2013 (113,305) Oberweis Asset Management Inc. 179,240 .66 1,908,906 3/31/2013 0 Timpani Capital Management LLC 175,153 .65 1,865,379 3/31/2013 (17,000) Cadence Capital Management LLC 170,930 .63 1,820,405 3/31/2013 170,930 Allianz Global Investors U.S. LLC 143,966 .53 1,533,238 3/31/2013 80,295 Falcon Point Capital LLC 115,245 .43 1,227,359 3/31/2013 (35,813) American Century Investment Management Inc 115,128 .43 1,226,113 3/31/2013 (1,226) Axiom International Investors LLC 106,400 .39 1,133,160 3/31/2013 12,000 TIAA-CREF Asset Management LLC 95,597 .35 1,018,108 3/31/2013 (2,897) Geode Capital Management LLC 75,861 .28 807,920 3/31/2013 21,406 BNY Investment Advisors 70,771 .26 753,711 3/31/2013 (734) MindShare Capital Management LLC 68,635 .25 730,963 3/31/2013 (16,510) Dreyfus Investment Advisors LLC 67,308 .25 716,830 3/31/2013 25,044 BlackRock Investment Management LLC 59,804 .22 636,913 3/31/2013 1,865 Deutsche Bank Investment Management Inc. 47,706 .18 508,069 3/31/2013 14,964 Rows 1 through 40 of 94 Copyright © 2013 FactSet Research Systems Inc. All rights reserved. Copyright 2013, © SNL Financial LC  Terms of Use