Arena Pharmaceuticals Inc (NASDAQ:ARNA)

Data as of Jan 23
 -0.11 / -2.36%
Today’s Change
Today|||52-Week Range
Institutional investors control 49.93% 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 September 2014, these large investors purchased a net $3.5 million shares.
Individual stakeholders4.69%
Mutual fund holders27.30%
Other institutional22.64%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2014OXFORD ASSET MANAGEMENT LLP  Bought 937.2 Thousand shares of Arena Pharmaceuticals Inc
12/31/2014COMMONWEALTH EQUITY SERVICES, IN...  Bought 739.00 shares of Arena Pharmaceuticals Inc
12/31/2014REILLY FINANCIAL ADVISORS LLC  Bought 500.00 shares of Arena Pharmaceuticals Inc

Top 10 Owners of Arena Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP13.46%29,627,959102,809,018+1,734,572+6.22%
BlackRock Fund Advisors6.14%13,520,40146,915,791-318,770-2.30%
The Vanguard Group, Inc.6.00%13,206,38745,826,163-137,590-1.03%
SSgA Funds Management, Inc.3.44%7,563,75326,246,223+926,024+13.95%
OppenheimerFunds, Inc.3.18%7,000,00024,290,00000.00%
Deerfield Management Co. LP2.66%5,847,99920,292,557+1,478,933+33.85%
Susquehanna Financial Group LLLP1.79%3,930,55113,639,012-37,144-0.94%
Invesco PowerShares Capital Manag...1.21%2,669,9249,264,636+1,173,294+78.40%
Northern Trust Investments, Inc.1.16%2,561,2838,887,652-21,229-0.82%
Norges Bank Investment Management0.76%1,678,1285,823,104+1,678,128--

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Oppenheimer Global Opportunities ...3.18%7,000,00024,290,00000.00%
SPDR S&P Biotech ETF1.96%4,323,39615,002,184+453,917+11.73%
Vanguard Small Cap Index Fund1.75%3,860,69513,396,612+21,776+0.57%
iShares Russell 2000 ETF1.72%3,776,33313,103,876+239,119+6.76%
Vanguard Total Stock Market Index...1.67%3,678,98212,766,068+41,944+1.15%
PowerShares Dynamic Biotechnology...1.35%2,966,66510,294,328+249,911+9.20%
iShares Nasdaq Biotechnology ETF1.19%2,609,2009,053,924-244,270-8.56%
Vanguard Small Cap Growth Index F...1.15%2,528,0768,772,424-38,590-1.50%
Vanguard Extended Market Index Fu...0.98%2,154,1017,474,730+146,547+7.30%
iShares Russell 2000 Growth ETF0.76%1,674,0125,808,822+73,429+4.59%

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