Ownership Profile

Ownership Profile

Shareholder Breakdown

Shareholder Holders Value ($MM) % O/S Shares
Institution 277 1,852.71 96.28 55,237,692
Mutual Fund 284 897.99 38.77 22,243,969
Insider 5 0.26 0.01 7,620

Institutional Shareholder Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 170 446.84 22.90 13,137,262
Sellers 117 -299.46 17.52 -10,051,478
Net -- 147.38 5.38 3,085,784

Institutional Shareholder Concentration

Value ($MM) % O/S Shares
Total Inst. 1,852.71 96.28 55,237,692
Top 10 Inst. 841.99 41.97 24,076,031
Top 20 Inst. 1,169.60 62.92 36,095,612
Top 50 Inst. 1,596.77 83.68 48,008,089

Institutional Shareholder Style

Holders Value ($MM) % Inst Shares Shares
Growth 64 535.80 23.90 13,712,618
Aggressive Growth 7 145.87 6.00 3,442,737
Core Growth 39 196.81 9.04 5,183,458
Growth 18 193.13 8.87 5,086,423
Income 5 5.93 0.27 154,833
Income Value 1 5.53 0.25 145,696
Yield 4 0.39 0.02 9,137
Index 25 494.72 22.71 13,026,194
Other 89 602.47 32.77 18,801,074
Broker Dealer 16 27.87 1.27 730,348
GARP 30 147.46 6.71 3,849,090
Hedge Fund 36 330.06 18.00 10,325,689
Sector Specific 2 75.47 3.46 1,987,750
Specialty 2 4.48 0.21 117,858
VC/Private Equi 3 17.12 3.12 1,790,339
Value 36 161.52 7.43 4,260,884
Core Value 27 152.68 7.02 4,028,033
Deep Value 9 8.84 0.41 232,851

Top Holders: Institutional Investor

Holder Shares Held % O/S Share Change Filing Date
The Vanguard Group, Inc. 5,662,982 9.87 1,870,320 12/31/18
BlackRock Institutional Trust Company, N.A. 3,823,109 6.66 191,550 12/31/18
Fred Alger Management, Inc. 2,694,375 4.70 -489,705 1/31/19
DexCom Inc 2,500,000 4.36 2,500,000 2/13/18
Lord, Abbett & Co. LLC 1,810,966 3.16 365,261 12/31/18
TimesSquare Capital Management, LLC 1,640,570 2.86 548,070 12/31/18
Federated Global Investment Management Corp. 1,608,270 2.80 70 12/31/18
Emerald Advisers LLC 1,481,884 2.58 249,312 12/31/18
Two Sigma Investments, LP 1,441,548 2.51 -481,343 12/31/18
Renaissance Technologies LLC 1,412,327 2.46 1,016,733 12/31/18
Corrib Capital Management L.P. 1,411,836 2.46 -3,088,164 4/30/18
Delphi Ventures L.P. 1,366,803 2.38 1,000,000 3/31/18
Frontier Capital Management Company, LLC 1,312,885 2.29 -143,493 12/31/18
State Street Global Advisors (US) 1,275,179 2.22 125,142 12/31/18
Blickenstaff (Kim D) 1,236,494 2.16 750,000 3/31/18
Point72 Asset Management, L.P. 1,206,107 2.10 378,108 12/31/18
Ardevora Asset Management LLP 1,099,836 1.92 236,440 12/31/18
Eagle Asset Management, Inc. 1,050,438 1.83 259,791 12/31/18
Redmile Group, LLC 1,039,750 1.81 -29,920 12/31/18
Deutsche Asset Management Americas 1,020,253 1.78 588,710 12/31/18
OrbiMed Advisors, LLC 948,000 1.65 233,500 12/31/18
Columbus Circle Investors 848,842 1.48 806,335 12/31/18
Millennium Management LLC 653,689 1.14 -107,311 12/31/18
Geode Capital Management, L.L.C. 647,594 1.13 61,922 12/31/18
Northern Trust Investments, Inc. 614,324 1.07 15,583 12/31/18
Friess Associates LLC 588,221 1.03 88,366 12/31/18
Deerfield Management Company, L.P. 553,765 0.97 270,650 12/31/18
AQR Capital Management, LLC 540,036 0.94 161,526 12/31/18
Armistice Capital LLC 531,354 0.93 531,354 10/13/17
Daruma Capital Management, LLC 498,957 0.87 498,957 12/31/18
Hood River Capital Management LLC 454,368 0.79 5,678 12/31/18
Baillie Gifford & Co. 434,700 0.76 -- 12/31/18
Wasatch Advisors, Inc. 371,271 0.65 23,426 12/31/18
Driehaus Capital Management, LLC 350,066 0.61 138,206 12/31/18
Goldman Sachs Asset Management (US) 330,683 0.58 157,588 12/31/18
Charles Schwab Investment Management, Inc. 300,589 0.52 -1,137 12/31/18
CastleArk Management, LLC 280,180 0.49 -71,670 12/31/18
First Light Asset Management, LLC 263,883 0.46 -- 12/31/18
Waddell & Reed Investment Management Company 262,793 0.46 262,793 12/31/18
Ivy Investments 261,400 0.46 261,400 12/31/18
TPG Capital, L.P. 249,620 0.44 -- 12/31/18
Cavanaugh (Kevin M) 239,100 0.42 239,100 4/30/18
Schonfeld Strategic Advisors LLC 231,987 0.40 -597,277 12/31/18
Columbia Wanger Asset Management, LLC 229,319 0.40 30,333 12/31/18
T. Rowe Price Associates, Inc. 227,390 0.40 -19,502 12/31/18
Oberweis Asset Management, Inc. 224,860 0.39 -190 12/31/18
Sectoral Asset Management Inc. 203,067 0.35 160,100 12/31/18
Nuveen LLC 198,090 0.35 11,273 9/30/18
Fidelity Management & Research Company 189,707 0.33 51,352 12/31/18
Goldman Sachs & Company, Inc. 184,622 0.32 -437,868 12/31/18

* Insider values reflect direct beneficial ownership.

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