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Kingdon Capital Management, L.L.C 13F annual report

Author

Emily Wilson

Updated on March 15, 2026

Kingdon Capital Management, L.L.C is an investment fund managing more than $523 billion ran by William Walsh. There are currently 53 companies in Mr. Walsh’s portfolio. The largest investments include APi and Catalent, together worth $54.5 billion.

Limited to 30 biggest holdings

$523 billion Assets Under Management (AUM)

As of 7th February 2024, Kingdon Capital Management, L.L.C’s top holding is 813,482 shares of APi currently worth over $28.1 billion and making up 5.4% of the portfolio value.Relative to the number of outstanding shares of APi, Kingdon Capital Management, L.L.C owns more than approximately 0.1% of the company.In addition, the fund holds 585,463 shares of Catalent worth $26.3 billion, whose value grew 24.2% in the past six months. The third-largest holding is RAPT Therapeutics worth $24 billion and the next is Teck Resources Ltd worth $21.1 billion, with 498,000 shares owned.

Currently, Kingdon Capital Management, L.L.C's portfolio is worth at least $523 billion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Kingdon Capital Management, L.L.C

The Kingdon Capital Management, L.L.C office and employees reside in New York, New York. According to the last 13-F report filed with the SEC, William Walsh serves as the Chief Financial Officer at Kingdon Capital Management, L.L.C.