$ATEC

Steve Cohen - Point72 Asset Management

2,493,575 shares

Two Sigma Investments

2,042,843 shares

Renaissance Technologies

1,055,100 shares

Jane Street Group

878,549 shares

Nuveen

2,849,413 shares

Israel Englander - Millennium Management

2,809,545 shares

First Eagle Investment Management

696,637 shares

Cliff Asness - AQR Capital Management

1,385,623 shares

Ken Griffin - Citadel Advisors

857,339 shares

UBS Group

1,944,685 shares

David Solomon - Goldman Sachs

1,744,217 shares

PNC Financial Services

318,319 shares

Geode Capital Management

2,906,422 shares

Northern Trust Corp

1,358,741 shares

Larry Fink - BlackRock

10,088,182 shares

Charles Schwab

978,068 shares

BNP Paribas

205,883 shares

State Street Corp

3,031,164 shares

Morgan Stanley

1,651,562 shares

Voya Investment Mgmt

78,928 shares

AllianceBernstein (AB)

125,130 shares

SG Americas Securities

67,065 shares

Janus Henderson Group

49,743 shares

Legal & General

97,918 shares

Mitsubishi Ufj Asset Management Co., Ltd.

28,186 shares

Franklin Resources

63,105 shares

David E. Shaw - D.E. Shaw & Co.

18,522 shares

Jan van Eck - VanEck

19,354 shares

T. Rowe Price

119,471 shares

Invesco

68,952 shares

Canada Pension Plan Investment Board

11,400 shares

Ensign Peak Advisors

2,450 shares

Lazard Asset Management

544 shares

Paul Tudor Jones - Tudor Investment Corp

266,549 shares

Chuck Royce - Royce & Associates

241,053 shares

Verition Fund Management LLC

50,415 shares

Joel Greenblatt - Gotham Asset Management

0 shares

Stephen Schwarzman - Blackstone

0 shares

Polen Capital Management

0 shares

Jefferies Group

0 shares

Jamie Dimon - JPMorgan Chase

0 shares