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Arena Pharmaceuticals Inc (NASDAQ:ARNA)

Delayed Data
As of 4:00pm ET
 +0.04 / +2.34%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ARNA through the 52.84% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry.
Individual stakeholders4.41%
Mutual fund holders27.70%
Other institutional25.15%

Largest Quarterly Institutional

Latest Institutional Activity

3/31/2016WELLINGTON MANAGEMENT CO. LLP  Bought 1.7 Million shares of Arena Pharmaceuticals Inc
3/31/2016RENAISSANCE TECHNOLOGIES LLC  Bought 1.3 Million shares of Arena Pharmaceuticals Inc
3/31/2016RA CAPITAL MANAGEMENT LLC  Bought 649.6 Thousand shares of Arena Pharmaceuticals Inc

Top 10 Owners of Arena Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP11.02%26,772,02648,457,367+1,741,275+6.96%
The Vanguard Group, Inc.7.00%17,016,57730,800,004-146,060-0.85%
BlackRock Fund Advisors6.20%15,071,99327,280,307+193,451+1.30%
Fidelity Management & Research Co...6.03%14,666,09526,545,632+542,343+3.84%
Camber Capital Management LLC4.32%10,500,00019,005,00000.00%
RA Capital Management LLC3.85%9,364,10516,949,030+649,623+7.45%
SSgA Funds Management, Inc.2.87%6,984,02912,641,092-1,234,819-15.02%
Renaissance Technologies LLC1.82%4,423,8558,007,178+1,294,655+41.37%
Northern Trust Investments, Inc.1.18%2,873,6535,201,312+23,105+0.81%
Senzar Asset Management LLC0.85%2,076,0913,757,725+132,000+6.79%

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Select Health Care Portf...3.70%9,000,00016,290,00000.00%
Vanguard Small Cap Index Fund2.05%4,978,1769,010,499+23,688+0.48%
Vanguard Total Stock Market Index...1.94%4,712,6048,529,813-1,176-0.02%
iShares Russell 2000 ETF1.55%3,763,4516,811,846-18,128-0.48%
Mitsubishi UFJ Kokusai Global Hea...1.41%3,426,3776,201,742+297,150+9.50%
iShares Nasdaq Biotechnology ETF1.29%3,130,7205,666,603+25,660+0.83%
Vanguard Small Cap Growth Index F...1.22%2,957,1345,352,413-35,575-1.19%
Vanguard Extended Market Index Fu...1.16%2,825,8135,114,722+50,122+1.81%
Wellington Mgmt. Funds (Ireland) ...1.11%2,699,7154,886,484+824,001+43.93%
Fidelity Advisor Health Care Fund1.08%2,625,3964,751,96700.00%