$AMPH

Renaissance Technologies

553,900 股

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

665,542 股

Josef Lakonishok - Lsv Asset Management

651,714 股

Israel Englander - Millennium Management

371,373 股

Two Sigma Investments

138,148 股

BNP Paribas

156,077 股

Jane Street Group

92,475 股

Larry Fink - BlackRock

5,421,343 股

Robeco Institutional Asset Management

66,407 股

Invesco

604,774 股

UBS Group

420,263 股

Geode Capital Management

976,650 股

State Street Corp

1,607,515 股

Northern Trust Corp

372,279 股

Charles Schwab

321,039 股

Ken Griffin - Citadel Advisors

65,540 股

David Solomon - Goldman Sachs

329,388 股

SG Americas Securities

32,806 股

Cliff Asness - AQR Capital Management

78,778 股

Franklin Resources

139,305 股

Morgan Stanley

420,337 股

AllianceBernstein (AB)

56,430 股

Nuveen

76,595 股

Legal & General

80,916 股

Canada Pension Plan Investment Board

16,300 股

Janus Henderson Group

16,868 股

T. Rowe Price

44,903 股

PNC Financial Services

5,449 股

Lazard Asset Management

0 股

Dmitry Balyasny - Balyasny Asset Management

0 股

Chuck Royce - Royce & Associates

406,175 股

PSP Investments

126,574 股

Segall Bryant & Hamill, LLC

33,318 股

Verition Fund Management LLC

18,597 股

New York State Teachers Retirement System

21,825 股

Joel Greenblatt - Gotham Asset Management

0 股

Hotchkis & Wiley

0 股

Exoduspoint Capital Management, Lp

0 股

John Hussman - Hussman Strategic Advisors

63,000 股

Jamie Dimon - JPMorgan Chase

0 股