Ownership Profile

Top Holders

Holder Shares Held % O/S Share Change Filing Date
BlackRock Institutional Trust Company, N.A. 3,375,494 12.08 83,598 12/31/17
The Vanguard Group, Inc. 3,211,936 11.49 -203,154 12/31/17
Pictet Asset Management Ltd. 999,137 3.58 469,933 12/31/17
Arrowstreet Capital, Limited Partnership 978,328 3.50 315,233 12/31/17
OppenheimerFunds, Inc. 907,768 3.25 -107,129 12/31/17
Dimensional Fund Advisors, L.P. 759,177 2.72 -24,127 12/31/17
Old Mutual Global Investors (UK) Limited 689,707 2.47 355,441 12/31/17
PRIMECAP Management Company 683,000 2.44 555,000 12/31/17
Baillie Gifford & Co. 681,155 2.44 28,025 12/31/17
State Street Global Advisors (US) 668,433 2.39 -424,888 12/31/17

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
iShares Core S&P Small-Cap ETF 1,300,194 4.65 12,193 1/31/18
Oppenheimer Global Opportunities Fund 900,000 3.22 -- 12/31/17
Vanguard Small-Cap Index Fund 639,909 2.29 31,117 12/31/17
Vanguard Total Stock Market Index Fund 638,006 2.28 12,138 12/31/17
Vanguard Strategic Equity Fund 613,499 2.20 128,381 9/30/17
Pictet-Robotics 599,766 2.15 298,968 10/31/17
iShares Russell 2000 ETF 531,680 1.90 3,216 12/31/17
Robo-Stox Global Robotics and Automation Index ETF 484,539 1.73 253,238 12/31/17
Global X Robotics & Artificial Intelligence ETF 420,301 1.50 116,168 1/31/18
Columbia Acorn Fund 376,562 1.35 119,179 12/31/17

* Insider values reflect direct beneficial ownership.

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