Ownership Profile

Shareholder Breakdown

Shareholder Holders Value ($MM) % O/S Shares
Institution 335 3,051.56 85.87 49,860,769
Mutual Fund 415 1,537.17 41.69 24,170,555
Insider 14 108.90 3.46 2,010,952

Institutional Shareholder Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 198 392.80 10.66 6,189,662
Sellers 154 -598.57 17.83 -10,355,177
Net -205.77 7.17 -4,165,515

Institutional Shareholder Concentration

Value ($MM) % O/S Shares
Total Inst. 3,199.20 91.09 52,891,035
Top 10 Inst. 1,369.53 39.28 22,809,609
Top 20 Inst. 1,976.90 56.45 32,776,483
Top 50 Inst. 2,676.20 76.65 44,510,155

Institutional Shareholder Style

Holders Value ($MM) % Inst Shares Shares
Growth 78 796.27 21.60 12,542,640
Aggressive Growth 7 220.24 5.97 3,468,365
Core Growth 50 309.81 8.41 4,881,623
Growth 21 266.22 7.22 4,192,652
Income 8 10.58 0.29 165,937
Income Value 1 9.18 0.25 144,537
Yield 7 1.40 0.04 21,400
Index 28 836.63 22.68 13,172,282
Other 121 983.59 29.77 17,288,990
Broker Dealer 23 41.90 1.14 659,897
GARP 37 238.48 6.51 3,777,950
Hedge Fund 53 494.34 16.47 9,562,131
Specialty 3 10.67 0.29 167,957
VC Private Equity 3 103.75 2.81 1,633,823
Sector Specific 2 94.44 2.56 1,487,232
Value 38 365.22 9.93 5,766,539
Core Value 31 350.98 9.55 5,542,285
Deep Value 7 14.24 0.39 224,254

Top Holders: Institutional Investor

Holder Shares Held % O/S Share Change Filing Date
The Vanguard Group, Inc. 5,910,957 10.18 24,409 3/31/19
BlackRock Institutional Trust Company, N.A. 3,627,143 6.25 -195,966 3/31/19
Fred Alger Management, Inc. 2,641,882 4.55 -52,493 3/31/19
Two Sigma Investments, LP 1,820,435 3.14 378,887 3/31/19
Lord, Abbett & Co. LLC 1,759,958 3.03 -51,008 3/31/19
Federated Global Investment Management Corp. 1,527,263 2.63 -81,007 3/31/19
Wellington Management Company, LLP 1,436,299 2.47 392,193 3/31/19
Corrib Capital Management L.P. 1,411,836 2.43 -3,088,164 4/30/18
Delphi Ventures L.P. 1,366,803 2.35 -- 3/1/19
Eagle Asset Management, Inc. 1,307,033 2.25 256,595 3/31/19
TimesSquare Capital Management, LLC 1,245,515 2.15 -395,055 3/31/19
State Street Global Advisors (US) 1,236,871 2.13 -38,308 3/31/19
Blickenstaff (Kim D) 1,191,750 2.05 -44,744 3/1/19
Emerald Advisers LLC 1,144,847 1.97 -337,037 3/31/19
DexCom Inc 1,000,000 1.72 -1,500,000 12/31/18
Frontier Capital Management Company, LLC 871,521 1.50 -441,364 3/31/19
Redmile Group, LLC 855,932 1.47 -183,818 3/31/19
Millennium Management LLC 831,625 1.43 177,936 3/31/19
Columbus Circle Investors 814,386 1.40 -34,456 3/31/19
Renaissance Technologies LLC 774,427 1.33 -637,900 3/31/19
Geode Capital Management, L.L.C. 721,639 1.24 74,045 3/31/19
Ardevora Asset Management LLP 679,536 1.17 -420,300 3/31/19
Fidelity Management & Research Company 656,389 1.13 466,682 3/31/19
OrbiMed Advisors, LLC 631,300 1.09 -316,700 3/31/19
Northern Trust Investments, Inc. 615,101 1.06 777 3/31/19
Gilder Gagnon Howe & Co. LLC 536,654 0.92 418,388 3/31/19
Armistice Capital LLC 531,354 0.92 531,354 10/13/17
D. E. Shaw & Co., L.P. 519,524 0.89 483,553 3/31/19
Driehaus Capital Management, LLC 483,719 0.83 133,653 3/31/19
Friess Associates LLC 476,919 0.82 -111,302 3/31/19
Deutsche Asset Management Americas 458,572 0.79 -561,681 3/31/19
Baillie Gifford & Co. 434,700 0.75 -- 3/31/19
Goldman Sachs Asset Management (US) 406,558 0.70 75,875 3/31/19
Daruma Capital Management, LLC 377,996 0.65 -120,961 3/31/19
Hood River Capital Management LLC 353,708 0.61 -100,660 3/31/19
AQR Capital Management, LLC 336,620 0.58 -203,416 3/31/19
Credit Suisse Asset Management 317,933 0.55 292,357 3/31/19
Charles Schwab Investment Management, Inc. 315,522 0.54 14,933 3/31/19
Schonfeld Strategic Advisors LLC 290,600 0.50 58,613 3/31/19
Wasatch Advisors, Inc. 286,330 0.49 -84,941 3/31/19
First Light Asset Management, LLC 267,954 0.46 4,071 3/31/19
TPG Capital, L.P. 249,620 0.43 -- 3/31/19
T. Rowe Price Associates, Inc. 248,713 0.43 21,323 3/31/19
Cavanaugh (Kevin M) 239,100 0.41 239,100 4/30/18
Nuveen LLC 238,186 0.41 39,866 3/31/19
Crawford Lake Capital Management, LLC 231,667 0.40 231,667 3/31/19
Cohen (Frederick E) 222,105 0.38 222,105 3/1/19
BlueMountain Capital Management, LLC 212,828 0.37 161,393 3/31/19
Ivy Investment Management Company 199,930 0.34 -62,863 3/31/19
Wells Capital Management Inc. 192,895 0.33 146,908 3/31/19

* Insider values reflect direct beneficial ownership.

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