Arena Pharmaceuticals Inc (NASDAQ:ARNA)

Delayed Data
As of May 28
 -0.025 / -0.62%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ARNA through the 58.53% 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 March 2015, these large investors purchased a net $24.5 million shares.
Individual stakeholders4.33%
Mutual fund holders31.95%
Other institutional26.57%

Largest Quarterly Institutional

Latest Institutional Activity

3/31/2015FIDELITY MANAGEMENT & RESEARCH C...  Bought 9.8 Million shares of Arena Pharmaceuticals Inc
3/31/2015CAMBER CAPITAL MANAGEMENT LLC  Bought 7.5 Million shares of Arena Pharmaceuticals Inc
3/31/2015FEDERATED GLOBAL INVESTMENT MANA...  Bought 5.4 Million shares of Arena Pharmaceuticals Inc

Top 10 Owners of Arena Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP14.00%33,802,464147,378,743+4,700,545+16.15%
The Vanguard Group, Inc.6.54%15,779,90268,800,373+1,885,291+13.57%
BlackRock Fund Advisors6.48%15,650,31368,235,365+1,229,187+8.52%
Fidelity Management & Research Co...4.06%9,800,00042,728,000+9,800,000--
Deerfield Management Co. LP3.82%9,229,37940,240,092+2,275,642+32.73%
SSgA Funds Management, Inc.3.46%8,350,97536,410,251+309,718+3.85%
Camber Capital Management LLC3.11%7,500,00032,700,000+7,500,000--
OppenheimerFunds, Inc.2.90%7,000,00030,520,00000.00%
Federated Global Investment Manag...2.24%5,418,10023,622,916+5,418,100--
Northern Trust Investments, Inc.1.12%2,692,58911,739,688+239,073+9.74%

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Oppenheimer Global Opportunities ...2.90%7,000,00030,520,00000.00%
Fidelity Select Health Care Portf...2.57%6,200,00027,032,000+6,200,000--
SPDR S&P Biotech ETF1.97%4,754,73320,730,636+217,435+4.79%
Federated Kaufmann Fund1.91%4,600,00020,056,000+4,600,000--
Vanguard Small Cap Index Fund1.83%4,408,52019,221,147+30,464+0.70%
Vanguard Total Stock Market Index...1.77%4,269,89318,616,733+38,533+0.91%
iShares Russell 2000 ETF1.62%3,900,86717,007,780-233,153-5.64%
iShares Nasdaq Biotechnology ETF1.27%3,073,01113,398,328+55,841+1.85%
Vanguard Small Cap Growth Index F...1.20%2,896,30612,627,894+55,660+1.96%
Vanguard Extended Market Index Fu...1.03%2,484,09810,830,667+95,710+4.01%

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