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Arena Pharmaceuticals Inc (NASDAQ:ARNA)

Delayed Data
As of 3:59pm ET
 +0.02 / +1.40%
Today’s Change
Today|||52-Week Range
Institutional investors control 48.00% 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 December 2016, these large investors purchased a net $6.4 million shares.
Individual stakeholders4.41%
Other institutional25.26%
Mutual fund holders22.74%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2016ASCEND CAPITAL LLC  Bought 3.7 Million shares of Arena Pharmaceuticals Inc
12/31/2016BLACKROCK FUND ADVISORS  Bought 1.3 Million shares of Arena Pharmaceuticals Inc
12/31/2016PANAGORA ASSET MANAGEMENT, INC.  Bought 782.2 Thousand shares of Arena Pharmaceuticals Inc

Top 10 Owners of Arena Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Wellington Management Co. LLP9.46%23,035,45236,396,014-2,535,299-9.91%
The Vanguard Group, Inc.7.80%18,994,95530,012,029+492,080+2.66%
BlackRock Fund Advisors7.18%17,466,62027,597,260+1,307,237+8.09%
Renaissance Technologies LLC3.09%7,522,25511,885,163+585,759+8.44%
SSgA Funds Management, Inc.2.56%6,228,9149,841,684+350,997+5.97%
Fidelity Management & Research Co...2.46%5,985,6529,457,330-7,595,649-55.93%
Camber Capital Management LLC1.75%4,250,0006,715,000-6,250,000-59.52%
Ascend Capital LLC1.50%3,650,0005,767,000+3,650,000--
Northern Trust Investments, Inc.1.19%2,892,5024,570,153+27,586+0.96%
Senzar Asset Management LLC0.77%1,877,4912,966,436+239,600+14.63%

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Vanguard Small Cap Index Fund2.26%5,504,1798,696,603+34,949+0.64%
Vanguard Total Stock Market Index...2.21%5,385,4748,509,049+273,282+5.35%
iShares Russell 2000 ETF1.94%4,719,7277,457,169-142,654-2.93%
Mitsubishi UFJ Kokusai Global Hea...1.41%3,426,3775,413,676+297,150+9.50%
iShares Nasdaq Biotechnology ETF1.37%3,326,7555,256,273-88,913-2.60%
Vanguard Small Cap Growth Index F...1.25%3,040,1914,803,502-46,952-1.52%
Vanguard Extended Market Index Fu...1.21%2,940,9304,646,669-1,319-0.04%
Wellington Mgmt. Funds (Ireland) ...1.12%2,715,0554,289,787+15,340+0.57%
iShares Russell 2000 Growth ETF0.87%2,122,5623,353,648+126,148+6.32%
SPDR S&P Biotech ETF0.84%2,052,9923,243,727+189,912+10.19%