Investor Relations

Ownership Profile

Shareholder Breakdown

Shareholder Holders Value ($MM) % O/S Shares
Institution 220 890.05 101.38 29,861,110
Mutual Fund 258 334.91 38.25 11,266,977
Insider 13 28.63 3.14 924,070

Institutional Shareholder Rotation

Shareholder Holders Value Chg ($MM) % O/S Share Change
Buyers 114 149.61 16.45 4,846,331
Sellers 82 -93.16 10.19 -3,000,805
Net -- 56.45 6.26 1,845,526

Institutional Shareholder Concentration

Value ($MM) % O/S Shares
Total Inst. 890.05 101.38 29,861,110
Top 10 Inst. 474.90 56.08 16,518,123
Top 20 Inst. 626.29 72.42 21,332,946
Top 50 Inst. 785.74 89.80 26,451,655

Institutional Shareholder Style

Holders Value ($MM) % Inst Shares Shares
Growth 53 174.55 19.08 5,619,546
Aggressive Growth 4 7.89 0.87 256,851
Core Growth 38 102.91 11.23 3,307,426
Growth 11 63.75 6.98 2,055,269
Income 4 2.43 0.26 77,762
Income Value 3 2.28 0.25 73,122
Yield 1 0.15 0.02 4,640
Index 24 150.50 16.40 4,831,410
Momentum 1 0.59 0.07 19,164
Other 66 345.84 42.01 12,375,635
Broker Dealer 13 21.67 2.36 695,338
GARP 21 138.46 15.09 4,445,022
Hedge Fund 27 155.19 17.03 5,016,492
Specialty 3 5.02 0.55 161,170
VC/Private Equi 2 25.50 6.99 2,057,613
Value 30 163.23 17.89 5,269,402
Core Value 24 156.65 17.17 5,056,801
Deep Value 6 6.58 0.72 212,601

Top Holders: Institutional Investor

Holder Shares Held % O/S Share Change Filing Date
Wellington Management Company, LLP 3,116,835 10.58 535,174 9/30/17
U.S. Venture Partners 2,026,053 6.88 30,620 12/31/16
BlackRock Institutional Trust Company, N.A. 1,813,783 6.16 -6,892 9/30/17
Deerfield Management Company, L.P. 1,743,924 5.92 533,924 11/6/17
Jennison Associates LLC 1,663,882 5.65 -616,916 9/30/17
Fidelity Institutional Asset Management 1,618,044 5.49 346,776 9/30/17
AllianceBernstein L.P. 1,305,007 4.43 373,502 9/30/17
The Vanguard Group, Inc. 1,217,038 4.13 77,415 9/30/17
Federated Global Investment Management Corp. 1,207,975 4.10 -- 9/30/17
Fidelity Management & Research Company 805,582 2.73 593,941 9/30/17
Neuberger Berman, LLC 802,521 2.72 59,620 9/30/17
Partner Fund Management, L.L.C. 778,279 2.64 376,930 9/30/17
State Street Global Advisors (US) 584,621 1.98 32,277 9/30/17
Adage Capital Management, L.P. 500,000 1.70 -100,006 9/30/17
Earnhardt (Lisa D) 442,531 1.50 -6,834 1/1/18
Millennium Management LLC 387,313 1.31 -519,134 9/30/17
Lord, Abbett & Co. LLC 368,500 1.25 32,743 9/30/17
Rock Springs Capital Management LP 345,000 1.17 -- 9/30/17
Northern Trust Investments, Inc. 322,293 1.09 328 9/30/17
CastleArk Management, LLC 283,765 0.96 283,765 9/30/17
Principal Funds, Inc. 280,641 0.95 56,402 11/30/17
Renaissance Technologies LLC 248,797 0.84 47,797 9/30/17
Geode Capital Management, L.L.C. 244,781 0.83 6,314 9/30/17
Moll (Frederic H) 239,624 0.81 -15,000 11/20/17
Thrivent Asset Management, LLC 235,283 0.80 -- 9/30/17
Bogle Investment Management, L.P. 224,482 0.76 -29,866 9/30/17
Kopp Investment Advisors, LLC 224,372 0.76 -77,591 9/30/17
Pura Vida Investments, LLC 200,000 0.68 2,502 9/30/17
Morgan Stanley & Co. LLC 195,221 0.66 106,393 9/30/17
Driehaus Capital Management, LLC 195,163 0.66 -5,179 9/30/17

* Insider values reflect direct beneficial ownership.

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