Ownership Profile

Shareholder Breakdown
Shareholder Holders Values ($) % O/S Shares
Institution 245 1,946 96.29 41,083,526
Mutual Fund 371 1,157 56.64 24,164,473
Institutional Shareholder Rotation
Shareholder Holders Values Change ($) % O/S Shares Change
Buyers 104 176.60 8.69 3,708,251
Sellers 112 -185.61 9.14 -3,898,003
Net -- -9.01 0.44 -189,752
Institutional Shareholder Concentration
Shareholder Values ($) % O/S Shares
Top 10 Inst. 966 47.88 20,427,570
Top 20 Inst. 1,359.86 67.38 28,747,766
Top 50 Inst. 1,742.54 86.24 36,794,604
Total Inst. 1,742.54 86.24 36,794,604
Institutional Shareholder Style
Shareholder Holders Values ($) % O/S Shares
Index 34 433 23.86 9,089,855
CoreGrowth 44 291 16.02 6,101,965
Growth 13 142 7.83 2,984,761
AggresGr 4 9 0.48 184,420
IncomeValue 4 48 2.62 999,162
Yield 2 4 0.20 74,977
GARP 21 480 26.46 10,079,371
HedgeFund 30 125 6.89 2,625,887
BrokerDealer 17 13 0.71 269,376
SectorSpecific 1 7 0.37 140,587
Specialty 1 1 0.03 13,035
Quantitative 1 0 0.02 9,306
CoreValue 29 206 11.33 4,317,914
DeepValue 8 19 1.04 396,567
Top Holders: Institutional Investor
Holder Shares Held % O/S Shares Change Filing Date
Fidelity Management & Research Company 5,661,280 13.27 -483,100 12/31/2014
BlackRock Institutional Trust Company, N.A. 3,140,188 7.36 95,367 12/31/2014
The Vanguard Group, Inc. 2,429,814 5.69 -18,103 12/31/2014
Welland (David R) 1,643,131 3.85 -159,000 01/31/2015
State Street Global Advisors (US) 1,450,483 3.40 -14,837 12/31/2014
Ranger Investment Management, L.P. 1,376,602 3.23 -47,934 12/31/2014
T. Rowe Price Associates, Inc. 1,299,360 3.05 194,040 12/31/2014
Oak Ridge Investments, LLC 1,190,476 2.79 1,190,476 12/31/2014
Invesco Advisers, Inc. 1,120,777 2.63 20,595 12/31/2014
Wells Capital Management Inc. 1,115,459 2.61 -162,224 12/31/2014
Carlson Capital, L.P. 1,045,198 2.45 -69,800 12/31/2014
Wellington Management Company, LLP 976,574 2.29 -897,430 12/31/2014
Mackenzie Financial Corporation 921,132 2.16 -123,500 12/31/2014
Goldman Sachs Asset Management (US) 890,164 2.09 114,641 12/31/2014
Van Berkom & Associates Inc. 819,948 1.92 40,515 12/31/2014
AllianceBernstein L.P. 759,038 1.78 -234,736 12/31/2014
Dimensional Fund Advisors, L.P. 752,745 1.76 8,657 12/31/2014
Franklin Advisers, Inc. 729,565 1.71 45,951 12/31/2014
Sooch (Navdeep S) 715,840 1.68 -49,681 01/31/2015
Capital Research Global Investors 709,992 1.66 42,300 12/31/2014
Northern Trust Investments, Inc. 632,405 1.48 -40,199 12/31/2014
Granahan Investment Management, Inc. 564,588 1.32 -45,832 12/31/2014
Hermes Investment Management Ltd. 555,387 1.30 -132,267 12/31/2014
Loomis, Sayles & Company, L.P. 467,126 1.09 -23,614 12/31/2014
Wasatch Advisors, Inc. 466,594 1.09 -39,281 12/31/2014
The Retirement Systems of Alabama 416,255 0.98 0 12/31/2014
MFS Investment Management 410,605 0.96 -58,151 12/31/2014
Norges Bank Investment Management (NBIM) 294,119 0.69 -66,151 12/31/2014
Arrowstreet Capital, Limited Partnership 287,582 0.67 110,792 12/31/2014
TIAA-CREF 267,573 0.63 -8,702 12/31/2014
Cortina Asset Management L.L.C. 265,441 0.62 -16,437 12/31/2014
Millennium Management LLC 257,395 0.60 44,847 12/31/2014
UBS Global Asset Management (Americas), Inc. 256,787 0.60 256,787 12/31/2014
Forre (Geir) 239,234 0.56 239,234 01/31/2014
Geode Capital Management, L.L.C. 229,195 0.54 3,048 12/31/2014
Renaissance Technologies Corp. 228,498 0.54 221,400 12/31/2014
Two Sigma Investments, LLC 227,546 0.53 -192,523 12/31/2014
BlackRock Investment Management, LLC 216,912 0.51 -4,307 12/31/2014
Quentec Asset Management LLC 187,861 0.44 -1,673 12/31/2014
Mellon Capital Management Corporation 179,601 0.42 -8,265 12/31/2014
BNY Mellon Asset Management 176,182 0.41 -7,271 12/31/2014
Frontier Capital Management Company, LLC 159,222 0.37 -5,585 12/31/2014
Irving Magee Investment Management, LLC 155,151 0.36 66 12/31/2014
Charles Schwab Investment Management, Inc. 151,276 0.35 -293 12/31/2014
William Blair & Company, L.L.C. 141,354 0.33 -99,142 12/31/2014
Polar Capital LLP 140,587 0.33 69,874 12/31/2014
D. E. Shaw & Co., L.P. 132,637 0.31 51,899 12/31/2014
New York State Common Retirement System 115,649 0.27 -8,400 12/31/2014
Deutsche Asset Management Americas 114,122 0.27 90,140 12/31/2014
Tuttle (G Tyson) 109,954 0.26 26,630 01/31/2015

Ownership data is provided by Thompson Reuters, a third party service, and Silicon Laboratories Inc. does not maintain or provide information directly to this service.