Institutional investors control 49.32% of the outstanding shares in ARNA. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry. Additionally, during the quarter ended December 2013, these large investors purchased a net $503.2 thousand shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
CREATIVE PLANNING, INC. Bought 12.4 Thousand shares of Arena Pharmaceuticals Inc