Ownership Summary

Top Holders
 Shares Held% O/SShare ChangeFiling Date
BlackRock Institutional Trust Company, N.A.9,012,1318.9860,08212/31/16
The Vanguard Group, Inc.7,360,5717.3309,14812/31/16
AllianceBernstein L.P.4,163,6784.1139,93512/31/16
JP Morgan Asset Management3,619,8723.6214,39512/31/16
Invesco Advisers, Inc.3,281,2043.295,60812/31/16
Deutsche Asset Management Americas3,127,1443.11,236,54212/31/16
Wells Capital Management Inc.2,208,1212.2-677,30412/31/16
Alyeska Investment Group, L.P.2,047,1462.01,042,70012/31/16
AJO, LP2,012,8872.0-1,659,27212/31/16
Citadel LLC1,948,5311.9-957,51912/31/16
Top Holders: Mutual Funds
 Shares% O/SShare ChangeFiling Date
iShares Core S&P Mid-Cap ETF2,403,0942.42,403,09403/31/17
Vanguard Small-Cap Index Fund1,995,2392.062,32602/28/17
iShares Russell 2000 ETF1,948,6201.9248,48303/31/17
Vanguard Total Stock Market Index Fund1,871,3201.956,04001/31/17
Vanguard Small-Cap Growth Index Fund1,294,9031.3218,27603/31/17
Vanguard Extended Market Index Fund1,041,3291.011,62701/31/17
Victory RS Small Cap Growth Fund994,9121.0101,26209/30/16
Fidelity OTC Portfolio911,9000.9911,90002/28/17
iShares Russell 2000 Growth ETF804,3250.8147,16003/31/17
Wells Fargo Discovery Fund797,6000.8-97,10002/28/17
Ownership data based on most recent publicly available data according to Thomson Reuters.