Investor Relations

Ownership Profile

Shareholder Breakdown

Shareholder Holders Value ($MM) % O/S Shares
Institution 219 894.22 100.04 30,567,699
Mutual Fund 299 401.20 43.88 13,406,640
Insider 12 28.48 2.71 829,395

Institutional Shareholder Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 100 200.29 22.39 6,840,287
Sellers 146 -212.03 23.20 -7,089,353
Net -- -11.74 0.81 -249,066

Institutional Shareholder Concentration

Value ($MM) % O/S Shares
Total Inst. 894.22 100.04 30,567,699
Top 10 Inst. 460.57 52.43 16,019,816
Top 20 Inst. 599.26 67.24 20,544,369
Top 50 Inst. 782.45 87.62 26,770,997

Institutional Shareholder Style

Holders Value ($MM) % Inst Shares Shares
Growth 46 152.68 16.53 5,051,351
Aggressive Growth 1 0.24 0.03 8,356
Core Growth 33 118.68 12.66 3,869,598
Growth 12 33.76 3.84 1,173,397
Income 5 3.93 0.45 136,353
Income Value 1 2.22 0.25 77,297
Yield 4 1.70 0.19 59,056
Index 24 171.16 19.48 5,953,071
Other 76 372.98 42.07 12,853,356
Broker Dealer 16 17.23 1.96 599,283
GARP 25 114.83 13.05 3,987,250
Hedge Fund 30 226.00 25.73 7,860,812
Specialty 4 14.30 1.26 384,451
VC/Private Equi 1 0.62 0.07 21,560
Value 30 139.58 15.70 4,796,982
Core Value 23 131.60 14.79 4,520,286
Deep Value 7 7.97 0.91 276,696

Top Holders: Institutional Investor

Holder Shares Held % O/S Share Change Filing Date
Wellington Management Company, LLP 3,068,972 10.04 102,059 9/30/18
BlackRock Institutional Trust Company, N.A. 2,194,605 7.18 197,484 9/30/18
Deerfield Management Company, L.P. 2,147,950 7.03 1,127,950 9/30/18
HealthCor Management, L.P. 1,950,000 6.38 681,150 9/30/18
Invesco Advisers, Inc. 1,585,361 5.19 -12,476 9/30/18
The Vanguard Group, Inc. 1,377,070 4.51 50,060 9/30/18
AllianceBernstein L.P. 1,102,449 3.61 -346,672 9/30/18
Millennium Management LLC 1,021,930 3.34 924,360 9/30/18
Federated Global Investment Management Corp. 884,100 2.89 -100 9/30/18
State Street Global Advisors (US) 687,379 2.25 74,348 9/30/18
Nuveen LLC 580,589 1.90 27,215 9/30/18
APG Asset Management 561,536 1.84 404,780 6/30/18
First Light Asset Management, LLC 517,121 1.69 289,238 9/30/18
Westfield Capital Management Company, L.P. 474,282 1.55 12,750 9/30/18
Rock Springs Capital Management LP 460,000 1.51 50,000 9/30/18
OppenheimerFunds, Inc. 413,729 1.35 14,584 9/30/18
Baron Capital Management, Inc. 393,336 1.29 296,336 9/30/18
Earnhardt (Lisa D) 379,365 1.24 -10,000 11/15/18
MIV Asset Management AG 373,000 1.22 -- 6/30/18
Northern Trust Investments, Inc. 371,595 1.22 17,242 9/30/18
Neuberger Berman, LLC 336,659 1.10 30,029 9/30/18
Cadian Capital Management LP 334,514 1.09 -- 9/30/18
Point72 Asset Management, L.P. 321,052 1.05 321,052 9/30/18
Geode Capital Management, L.L.C. 312,468 1.02 21,484 9/30/18
William Blair Investment Management, LLC 269,614 0.88 40,151 9/30/18
Public Employees' Retirement Association of CO 253,212 0.83 -- 9/30/18
Lombard Odier Asset Management (USA) Corp. 240,000 0.79 140,000 9/30/18
Moll (Frederic H) 238,592 0.78 1,514 6/5/18
Bellevue Asset Management AG 234,227 0.77 146,199 9/30/18
Broadfin Capital, L.L.C. 234,200 0.77 234,200 9/30/18

* Insider values reflect direct beneficial ownership.

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