9.46 Up +0.04 +0.42%
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OWNERSHIP INFORMATION
Shares Outstanding 42.00 Mil
Institutional Ownership (%) 14.10
Top 10 Institutions (%) 11.00
Mutual Fund Ownership (%) 0.47
5%/Insider Ownership (%) 71.01
Float (%) 28.99
OWNERSHIP ACTIVITY
DESCRIPTION # OF HOLDERS SHARES
Total Positions 56 5,923,150
New Positions 8 0
Soldout Positions 19 0
Net Position Change -17 -1,342,166
Buyers 24 885,638
Sellers 41 -2,227,804
VIEW:
INSTITUTION NAME SHS HELD SHS CHG %CHG $CHG* %OUT %PORT RPT DATE
Granahan Investment Management, Inc. 1,077,629 296,700 38 3,221,142 2.6 0.2 03-31-13
Dimensional Fund Advisors, LP 820,486 -16,084 -1.9 1,266,785 2 0 03-31-13
Nantahala Capital Management, LLC 723,665 -545,250 -43 -1,484,915 1.7 1.6 03-31-13
The Vanguard Group, Inc. 526,487 9,739 1.9 911,160 1.3 0 03-31-13
BlackRock Institutional Trust Company, N.A. 492,617 48,412 10.9 1,045,111 1.2 0 03-31-13
Numeric Investors LLC 262,720 -62,761 -19.3 123,332 0.6 0 03-31-13
State Street Global Advisors (US) 213,306 -6,900 -3.1 316,012 0.5 0 03-31-13
Renaissance Technologies Corp. 208,200 22,700 12.2 452,678 0.5 0 03-31-13
Northern Trust Investments, N.A. 169,393 9,446 5.9 324,090 0.4 0 03-31-13
Millennium Management LLC 117,298 117,298 100 767,129 0.3 0 03-31-13
Geode Capital Management, L.L.C. 113,907 66,715 141.4 513,711 0.3 0 03-31-13
Bridgeway Capital Management, Inc. 105,300 1,300 1.3 179,062 0.3 0 03-31-13
TFS Capital LLC 90,079 70,094 350.7 491,191 0.2 0 03-31-13
Two Sigma Investments, LLC 89,753 89,753 100 586,985 0.2 0 03-31-13
Penbrook Management, LLC 80,025 -21,600 -21.3 -311,898 0.2 0.5 09-30-12
  • *Category Headings:
  • Shs Held - shares held at report date
  • Shs Chg - position change within reporting period
  • %Chg - % change
  • $Chg - market value of the position change
  • %Out - % of shares outstanding
  • %Port - % Portfolio
  • Rpt Date - report date
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