T. Rowe Price Associates, Inc. A privately owned investment manager, subsidiary of T. Rowe Price Group, Inc.

• major shareholder

PRIMECAP Mangagement Company founded in September 1983 in Pasadena, California. It manages Vanguard's PRIMECAP Fund, Vanguard Capital Opportunity Fund, and Vanguard PRIMECAP Core Fund. It also manages PRIMECAP ODYSSEY FUNDS.

• Owner

BlackRock Institutional Trust Company, N.A. A privately owned investment manager, previously known as Barclays Global Investors, NA

• major shareholder

Bayer CropScience AG Crop protection, non-agricultural pest control. Seeds and crop plants with genetically optimized properties.

• Owner (Jun 7 '18→?); percent stake: 100%

Vanguard Group Inc One of the world's largest investment management companies

• Shareholder

State Street Global Advisors Investment Management Division of State Street Corporation

• major shareholder

Highfields Capital Management Hedge fund that manages portion of Harvard's endowment

• owner*; percent stake: 1%

Arborgen

• Owner

Eaton Vance Management

• investor

Pharmacia Corporation Pharmaceuticals

• Owner (Oct 23 '00→Aug 13 '02); percent stake: 85%

Owners