Neil Gagnon

Gagnon Securities LLC is an independent registered investment advisor headquartered in New York City. The firm was founded in 2000 by Neil Gagnon, Brian Gagnon and Maureen Drew. Gagnon Securities manages individual brokerage accounts on a discretionary basis for individuals, retirement accounts, trusts, custodial accounts, and other institutions and business entities.

Gagnon Advisors LLC is a registered investment adviser and hedge fund manager headquartered in New York City. The firm was founded in 2000 and is principally owned by Gagnon Administrative Services LLC. Gagnon Advisors provides discretionary investment advice to pooled investment vehicles.

Gilder Gagnon Howe & Co. LLC (GGHC) is an independent, SEC-registered investment advisor headquartered in New York City. The firm was founded by Richard Gilder in 1968. GGHC provides investment advisory services to individuals, trusts, estates, charitable organizations, corporations, LLC’s, partnerships, pension and profit-sharing plans, and investment clubs.

Argus Research Co. (ARC) is a research firm headquartered in New York City and was founded in 1934. The firm is a subsidiary of Argus Research Group, Inc. ARC produces, distributes and markets investment and economic research.

Tekla Capital Management LLC is an independent, SEC-registered investment advisor headquartered in Boston, Massachusetts. Formerly known as Hambrecht & Quist Capital Management LLC, the firm serves as an investment adviser for four closed-end funds – Tekla Healthcare Investors, Tekla Life Sciences Investors, Tekla Healthcare Opportunities Fund and Tekla World Healthcare Fund.