$AMPX

Two Sigma Investments

3,506,075 股

Ken Griffin - Citadel Advisors

1,438,660 股

UBS Group

2,311,554 股

Israel Englander - Millennium Management

1,035,238 股

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

1,075,386 股

Jane Street Group

4,160,656 股

SG Americas Securities

423,037 股

Renaissance Technologies

359,525 股

David Solomon - Goldman Sachs

2,226,181 股

T. Rowe Price

1,897,420 股

BNP Paribas

286,546 股

Morgan Stanley

3,162,167 股

Geode Capital Management

2,814,530 股

Larry Fink - BlackRock

9,225,611 股

Charles Schwab

1,039,394 股

Northern Trust Corp

1,022,625 股

State Street Corp

2,712,630 股

Invesco

498,804 股

Nuveen

243,895 股

Cliff Asness - AQR Capital Management

137,726 股

Voya Investment Mgmt

45,332 股

Steve Cohen - Point72 Asset Management

27,921 股

Janus Henderson Group

52,803 股

Franklin Resources

93,996 股

Legal & General

86,857 股

AllianceBernstein (AB)

108,260 股

PNC Financial Services

1,971 股

Canada Pension Plan Investment Board

0 股

PSP Investments

332,000 股

John P. Calamos, Sr. - Calamos Advisors LLC

364,506 股

Paul Tudor Jones - Tudor Investment Corp

419,661 股

Polen Capital Management

422,145 股

Verition Fund Management LLC

17,045 股

Joel Greenblatt - Gotham Asset Management

39,517 股

Exoduspoint Capital Management, Lp

0 股

John Hussman - Hussman Strategic Advisors

147,000 股

Parallax Volatility Advisers

40,777 股

Jamie Dimon - JPMorgan Chase

0 股