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Arena Pharmaceuticals Inc (NASDAQ:ARNA)

Delayed Data
As of Feb 08
 -0.07 / -4.46%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ARNA through the 58.29% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry. Last, during the quarter ended September 2015, these large investors purchased a net $6.7 million shares.
Individual stakeholders4.43%
Mutual fund holders31.11%
Other institutional27.18%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2015PROSHARE ADVISORS LLC  Bought 22.4 Thousand shares of Arena Pharmaceuticals Inc
12/31/2015VANGUARD INVESTMENTS AUSTRALIA L...  Bought 21.2 Thousand shares of Arena Pharmaceuticals Inc
12/31/2015RHUMBLINE ADVISERS LTD. PARTNERS...  Bought 21.0 Thousand shares of Arena Pharmaceuticals Inc

Top 10 Owners of Arena Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP13.98%33,909,45964,427,972+23,908+0.07%
The Vanguard Group, Inc.6.88%16,676,76731,685,857+380,065+2.33%
BlackRock Fund Advisors6.27%15,197,94628,876,097+127,913+0.85%
SSgA Funds Management, Inc.5.28%12,795,98024,312,362+2,682,821+26.53%
Fidelity Management & Research Co...5.03%12,206,70023,192,730+1,246,900+11.38%
Camber Capital Management LLC4.02%9,750,00018,525,000+2,250,000+30.00%
Federated Global Investment Manag...2.33%5,648,92010,732,948+7,720+0.14%
Deerfield Management Company LP1.91%4,640,8778,817,666-2,342,833-33.55%
Northern Trust Investments, Inc.1.14%2,759,9625,243,928+99,744+3.75%
Renaissance Technologies LLC0.87%2,102,2003,994,180+435,400+26.12%

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Select Health Care Portf...3.53%8,555,85716,256,128+642,700+8.12%
Vanguard Small Cap Index Fund2.01%4,865,9579,245,318+88,634+1.86%
Federated Kaufmann Fund1.90%4,600,0008,740,00000.00%
Vanguard Total Stock Market Index...1.82%4,410,5168,379,980+64,350+1.48%
iShares Russell 2000 ETF1.55%3,769,6417,162,318-60,900-1.59%
SPDR S&P Biotech ETF1.52%3,674,4336,981,423-4,886,785-57.08%
Kokusai Global Healthcare & Bio O...1.29%3,129,2275,945,531+1,878,355+150.16%
Vanguard Small Cap Growth Index F...1.22%2,969,5415,642,128+67,483+2.33%
iShares Nasdaq Biotechnology ETF1.16%2,801,9865,323,77300.00%
Vanguard Extended Market Index Fu...1.06%2,581,6364,905,108+26,750+1.05%