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Arena Pharmaceuticals Inc (NASDAQ:ARNA)

During the Trading Day
2.20 -0.06 / -2.65%
As of 3:59pm ET
Day’s Change
During After-Hours   Switch to standard view »
2.17 -0.03 / -1.36%
Volume: 210.2K
Institutional investors purchased a net $371.0 thousand shares of ARNA during the quarter ended June 2015 and now own 58.49% of the total shares outstanding. This majority interest is a greater percentage than is typical for companies in the Biotechnology industry and highlights that the smart money sees this stock as an important holding.
Individual stakeholders4.43%
Mutual fund holders35.11%
Other institutional23.39%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2015SIMPLEX TRADING LLC  Bought 1.2 Thousand shares of Arena Pharmaceuticals Inc
9/30/2015CREATIVE PLANNING, INC.  Sold 5.2 Thousand shares of Arena Pharmaceuticals Inc
9/30/2015VIRTU FINANCIAL BD LLC  Sold 11.6 Thousand shares of Arena Pharmaceuticals Inc

Top 10 Owners of Arena Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP13.99%33,885,55164,721,402+83,087+0.25%
The Vanguard Group, Inc.6.73%16,296,70231,126,701+516,800+3.28%
BlackRock Fund Advisors6.22%15,070,03328,783,763-580,280-3.71%
Fidelity Management & Research Co...4.52%10,959,80020,933,218+1,100,427+11.16%
SSgA Funds Management, Inc.4.18%10,113,15919,316,134+1,762,184+21.10%
Camber Capital Management LLC3.10%7,500,00014,325,00000.00%
OppenheimerFunds, Inc.2.89%7,000,00013,370,00000.00%
Deerfield Management Co. LP2.88%6,983,71013,338,886-2,245,669-24.33%
Federated Global Investment Manag...2.33%5,641,20010,774,692+223,100+4.12%
Northern Trust Investments, Inc.1.10%2,660,2185,081,016-32,371-1.20%

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
SPDR S&P Biotech ETF3.56%8,628,49516,480,425+1,958,775+29.37%
Fidelity Select Health Care Portf...3.06%7,400,00014,134,000+400,000+5.71%
Oppenheimer Global Opportunities ...2.89%7,000,00013,370,00000.00%
Vanguard Small Cap Index Fund1.93%4,674,8408,928,944+57,330+1.24%
Federated Kaufmann Fund1.90%4,600,0008,786,00000.00%
Vanguard Total Stock Market Index...1.75%4,228,2498,075,956-28,518-0.67%
iShares Russell 2000 ETF1.49%3,613,9776,902,69600.00%
iShares Nasdaq Biotechnology ETF1.39%3,364,4916,426,178+31,740+0.95%
Vanguard Small Cap Growth Index F...1.25%3,025,6665,779,022+18,590+0.62%
Vanguard Extended Market Index Fu...1.04%2,521,8164,816,669+43,460+1.75%