$AMPX

Two Sigma Investments

4,318,630 股

Jane Street Group

3,401,071 股

Renaissance Technologies

1,408,925 股

Steve Cohen - Point72 Asset Management

1,139,811 股

Ken Griffin - Citadel Advisors

1,676,344 股

Israel Englander - Millennium Management

1,208,017 股

UBS Group

4,072,269 股

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

671,812 股

David Solomon - Goldman Sachs

2,542,294 股

Morgan Stanley

5,105,505 股

Geode Capital Management

3,520,655 股

Larry Fink - BlackRock

11,335,092 股

T. Rowe Price

1,635,883 股

SG Americas Securities

288,368 股

Charles Schwab

1,176,959 股

Voya Investment Mgmt

158,658 股

Northern Trust Corp

1,229,628 股

BNP Paribas

183,631 股

State Street Corp

3,240,285 股

Nuveen

397,802 股

Canada Pension Plan Investment Board

119,600 股

Cliff Asness - AQR Capital Management

173,155 股

Wellington Management

342,797 股

Amundi

196,767 股

Invesco

571,613 股

Legal & General

107,923 股

Franklin Resources

84,909 股

Jamie Dimon - JPMorgan Chase

123,377 股

PNC Financial Services

1,540 股

Exoduspoint Capital Management, Lp

179,272 股

Paul Tudor Jones - Tudor Investment Corp

747,428 股

Polen Capital Management

465,598 股

Nomura Holdings INC

109,808 股

John P. Calamos, Sr. - Calamos Advisors LLC

94,158 股

Natixis

47,000 股

Joel Greenblatt - Gotham Asset Management

0 股

PSP Investments

0 股

Verition Fund Management LLC

0 股

John Hussman - Hussman Strategic Advisors

105,000 股