Investor Relations

Ownership Profile

Shareholder Breakdown

Shareholder Holders Value ($MM) % O/S Shares
Institution 256 1,126.16 95.47 28,770,762
Mutual Fund 311 527.43 45.24 13,633,186
Insider 12 36.36 2.99 900,584

Institutional Shareholder Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 114 222.28 18.96 5,714,401
Sellers 112 -250.78 22.94 -6,914,193
Net -- -28.49 3.98 -1,199,792

Institutional Shareholder Concentration

Value ($MM) % O/S Shares
Total Inst. 1,126.16 95.47 28,770,762
Top 10 Inst. 541.08 45.69 13,767,939
Top 20 Inst. 721.00 60.75 18,307,869
Top 50 Inst. 944.97 79.85 24,062,018

Institutional Shareholder Style

Holders Value ($MM) % Inst Shares Shares
Growth 63 243.93 20.67 6,228,410
Aggressive Growth 5 20.45 1.72 519,717
Core Growth 43 134.22 11.35 3,421,342
Growth 15 89.26 7.59 2,287,351
Income 6 7.02 0.57 171,585
Income Value 3 6.08 0.49 148,160
Yield 3 0.94 0.08 23,425
Index 26 199.22 16.82 5,068,892
Momentum 1 11.54 0.97 293,600
Other 87 407.28 34.55 10,412,748
Broker Dealer 17 21.53 1.82 547,927
GARP 28 179.86 15.21 4,584,093
Hedge Fund 37 197.17 16.65 5,016,631
Specialty 4 7.87 0.80 242,537
VC/Private Equi 1 0.85 0.07 21,560
Value 30 199.91 17.07 5,144,038
Core Value 25 191.65 16.37 4,934,086
Deep Value 5 8.25 0.70 209,952

Top Holders: Institutional Investor

Holder Shares Held % O/S Share Change Filing Date
Wellington Management Company, LLP 3,115,380 10.34 -37,178 3/31/18
BlackRock Institutional Trust Company, N.A. 1,761,286 5.84 -79,881 3/31/18
Jennison Associates LLC 1,683,623 5.59 -361,450 3/31/18
AllianceBernstein L.P. 1,494,323 4.96 27,593 3/31/18
Invesco Advisers, Inc. 1,451,472 4.82 1,354,962 3/31/18
The Vanguard Group, Inc. 1,302,585 4.32 36,464 3/31/18
Federated Global Investment Management Corp. 883,600 2.93 -325,075 3/31/18
Deerfield Management Company, L.P. 832,500 2.76 -635,841 3/31/18
Fidelity Institutional Asset Management 644,904 2.14 -509,036 3/31/18
State Street Global Advisors (US) 598,266 1.99 28,584 3/31/18
Neuberger Berman, LLC 532,269 1.77 -195,691 3/31/18
Point72 Asset Management, L.P. 510,703 1.69 1,153 3/31/18
Nuveen LLC 503,560 1.67 77,400 3/31/18
Adage Capital Management, L.P. 500,000 1.66 -169,632 3/31/18
HealthCor Management, L.P. 464,850 1.54 464,850 3/31/18
Earnhardt (Lisa D) 449,365 1.49 -- 5/15/18
Renaissance Technologies LLC 447,600 1.49 130,000 3/31/18
Rock Springs Capital Management LP 410,000 1.36 65,000 3/31/18
Lord, Abbett & Co. LLC 386,573 1.28 26,596 3/31/18
Millennium Management LLC 335,010 1.11 37,153 3/31/18
Northern Trust Investments, Inc. 319,953 1.06 2,096 3/31/18
Thrivent Asset Management, LLC 314,220 1.04 58,167 3/31/18
Friess Associates LLC 293,600 0.97 293,600 3/31/18
Geode Capital Management, L.L.C. 267,272 0.89 10,790 3/31/18
Driehaus Capital Management, LLC 253,638 0.84 73,931 3/31/18
Cadian Capital Management LP 252,757 0.84 252,757 3/31/18
Matarin Capital Management, LLC 250,612 0.83 67,261 3/31/18
Moll (Frederic H) 238,592 0.79 1,514 6/5/18
Public Employees' Retirement Association of CO 220,712 0.73 220,712 3/31/18
Principal Funds, Inc. 220,619 0.73 -22,230 4/30/18

* Insider values reflect direct beneficial ownership.

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