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Ownership Profile


Shareholder Breakdown
  Holders Values ($) % O/S Shares
Institution 244 1,971.58 98.46 41,486,859
Mutual Fund 365 1,090.91 57.01 24,022,958

Institutional Shareholder Rotation
  Holders Values Change ($) % O/S Shares Change
Buyers 102 176.76 8.84 3,723,740
Sellers 124 -218.17 11.20 -4,721,202
Net -- -41.41 2.37 -997,462

Institutional Shareholder Concentration
  Values ($) % O/S Shares
Top 10 Inst. 980 48.86 20,586,570
Top 20 Inst. 1,377.93 68.72 28,956,447
Top 50 Inst. 1,765.32 88.11 37,127,421
Total Inst. 1,765.32 88.11 37,127,421

Institutional Shareholder Style
  Holders Values ($) % O/S Shares
Index 34 433 23.75 9,088,301
CoreGrowth 45 293 16.09 6,157,570
Growth 13 142 7.80 2,984,892
AggresGr 4 9 0.48 184,420
IncomeValue 4 48 2.61 999,162
Yield 2 4 0.20 74,977
GARP 20 480 26.32 10,070,471
HedgeFund 30 125 6.86 2,626,313
BrokerDealer 17 13 0.70 269,376
SectorSpecific 1 7 0.37 140,587
Specialty 1 1 0.03 13,035
Quantitative 1 0 0.02 9,306
CoreValue 28 207 11.44 4,377,855
DeepValue 8 19 1.04 396,567

Top Holders: Institutional Investor
  Shares Held % O/S Shares Change Filing Date
Fidelity Management & Research Company 5,661,280 13.44 -483,100 12/31/2014
BlackRock Institutional Trust Company, N.A. 3,140,188 7.45 95,367 12/31/2014
The Vanguard Group, Inc. 2,429,814 5.77 -18,103 12/31/2014
Welland (David R) 1,802,131 4.28 -55,000 01/31/2014
State Street Global Advisors (US) 1,450,483 3.44 -14,837 12/31/2014
Ranger Investment Management, L.P. 1,376,602 3.27 -47,934 12/31/2014
T. Rowe Price Associates, Inc. 1,299,360 3.08 194,040 12/31/2014
Oak Ridge Investments, LLC 1,190,476 2.83 1,190,476 12/31/2014
Invesco Advisers, Inc. 1,120,777 2.66 20,595 12/31/2014
Wells Capital Management Inc. 1,115,459 2.65 -162,224 12/31/2014
Carlson Capital, L.P. 1,045,198 2.48 -69,800 12/31/2014
Wellington Management Company, LLP 976,574 2.32 -897,430 12/31/2014
Mackenzie Financial Corporation 921,132 2.19 -123,500 12/31/2014
Goldman Sachs Asset Management (US) 890,164 2.11 114,641 12/31/2014
Van Berkom & Associates Inc. 819,948 1.95 40,515 12/31/2014
Sooch (Navdeep S) 765,521 1.82 -74,604 01/31/2014
AllianceBernstein L.P. 759,038 1.80 -234,736 12/31/2014
Dimensional Fund Advisors, L.P. 752,745 1.79 8,657 12/31/2014
Franklin Advisers, Inc. 729,565 1.73 45,951 12/31/2014
Capital Research Global Investors 709,992 1.68 42,300 12/31/2014
Northern Trust Investments, Inc. 632,405 1.50 -40,199 12/31/2014
Granahan Investment Management, Inc. 564,588 1.34 -45,832 12/31/2014
Hermes Investment Management Ltd. 555,387 1.32 -132,267 12/31/2014
Loomis, Sayles & Company, L.P. 467,126 1.11 -23,614 12/31/2014
Wasatch Advisors, Inc. 466,594 1.11 -39,281 12/31/2014
The Retirement Systems of Alabama 416,255 0.99 0 12/31/2014
MFS Investment Management 410,605 0.97 -58,151 12/31/2014
Norges Bank Investment Management (NBIM) 360,270 0.85 0 12/31/2013
Arrowstreet Capital, Limited Partnership 287,582 0.68 110,792 12/31/2014
TIAA-CREF 267,573 0.64 -8,702 12/31/2014
Cortina Asset Management L.L.C. 265,441 0.63 -16,437 12/31/2014
Millennium Management LLC 257,395 0.61 44,847 12/31/2014
UBS Global Asset Management (Americas), Inc. 256,787 0.61 256,787 12/31/2014
Forre (Geir) 239,234 0.57 239,234 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 0.54 -192,523 12/31/2014
BlackRock Investment Management, LLC 216,912 0.51 -4,307 12/31/2014
Quentec Asset Management LLC 187,861 0.45 -1,673 12/31/2014
Mellon Capital Management Corporation 179,601 0.43 -8,265 12/31/2014
BNY Mellon Asset Management 176,182 0.42 -7,271 12/31/2014
Cash (Harvey Berryman) 167,939 0.40 5,797 01/31/2014
Frontier Capital Management Company, LLC 159,222 0.38 -5,585 12/31/2014
Irving Magee Investment Management, LLC 155,151 0.37 66 12/31/2014
Charles Schwab Investment Management, Inc. 151,276 0.36 -293 12/31/2014
William Blair & Company, L.L.C. 141,354 0.34 -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

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