Arena Pharmaceuticals Inc (NASDAQ:ARNA)

Data as of Sep 17
 -0.02 / -0.51%
Today’s Change
Today|||52-Week Range
Institutional investors control 48.30% 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 June 2014, these large investors purchased a net $2.5 million shares.
Individual stakeholders4.58%
Mutual fund holders25.17%
Other institutional23.13%

Largest Quarterly Institutional

Latest Institutional Activity

6/30/2014DEERFIELD MANAGEMENT CO. LP  Bought 3.2 Million shares of Arena Pharmaceuticals Inc
6/30/2014MORGAN STANLEY & CO. LLC  Bought 1.5 Million shares of Arena Pharmaceuticals Inc
6/30/2014GROUP ONE TRADING LP  Bought 688.6 Thousand shares of Arena Pharmaceuticals Inc

Top 10 Owners of Arena Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP12.69%27,893,387114,920,754+344,259+1.25%
BlackRock Fund Advisors6.30%13,839,17157,017,385-734,004-5.04%
The Vanguard Group, Inc.6.07%13,343,97754,977,185+83+0.00%
OppenheimerFunds, Inc.3.18%7,000,00028,840,00000.00%
SSgA Funds Management, Inc.3.02%6,637,72927,347,443-567,518-7.88%
Deerfield Management Co. LP1.99%4,369,06618,000,552+3,152,487+259.13%
Susquehanna Financial Group LLLP1.81%3,967,69516,346,903+365,378+10.14%
Northern Trust Investments, Inc.1.18%2,582,51210,639,949-310,747-10.74%
Morgan Stanley & Co. LLC0.86%1,880,3467,747,026+1,509,443+406.96%
Norges Bank Investment Management0.76%1,678,1286,913,887+1,678,128--

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Oppenheimer Global Opportunities ...3.18%7,000,00028,840,000+1,000,000+16.67%
Vanguard Small Cap Index Fund1.73%3,808,19915,689,780+13,535+0.36%
Vanguard Total Stock Market Index...1.59%3,495,23814,400,381+51,006+1.48%
iShares Russell 2000 ETF1.43%3,148,54812,972,018+14,698+0.47%
Vanguard Small Cap Growth Index F...1.20%2,637,09210,864,819-21,689-0.82%
iShares Nasdaq Biotechnology ETF1.17%2,573,50510,602,841+60,164+2.39%
SPDR S&P Biotech ETF1.03%2,275,1109,373,453+56,646+2.55%
Vanguard Extended Market Index Fu...0.92%2,025,9538,346,926+11,347+0.56%
PowerShares Dynamic Biotechnology...0.74%1,615,5796,656,185+136,153+9.20%
Vanguard Capital Value Fund0.73%1,605,3116,613,881-55,782-3.36%

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