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Arena Pharmaceuticals Inc (NASDAQ:ARNA)

Delayed Data
As of Feb 21
 -0.04 / -2.68%
Today’s Change
Today|||52-Week Range
Institutional investors control 48.01% 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 2016, these large investors purchased a net $6.1 million shares.
Individual stakeholders4.41%
Mutual fund holders25.13%
Other institutional22.88%

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%23,035,45235,474,596-2,535,299-9.91%
The Vanguard Group, Inc.7.80%18,994,95529,252,231+492,080+2.66%
BlackRock Fund Advisors7.18%17,466,62026,898,595+1,307,237+8.09%
Renaissance Technologies LLC3.09%7,522,25511,584,273+585,759+8.44%
SSgA Funds Management, Inc.2.56%6,228,9149,592,528+350,997+5.97%
Fidelity Management & Research Co...2.46%5,985,6529,217,904-7,595,649-55.93%
Camber Capital Management LLC1.75%4,250,0006,545,000-6,250,000-59.52%
Ascend Capital LLC1.50%3,650,0005,621,000+3,650,000--
Northern Trust Investments, Inc.1.19%2,892,5024,454,453+27,586+0.96%
Senzar Asset Management LLC0.77%1,877,4912,891,336+239,600+14.63%

Top 10 Mutual Funds Holding Arena Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Vanguard Small Cap Index Fund2.25%5,469,2308,422,614+74,525+1.38%
Vanguard Total Stock Market Index...2.10%5,112,1927,872,77600.00%
iShares Russell 2000 ETF2.00%4,862,3817,488,067+97,552+2.05%
Mitsubishi UFJ Kokusai Global Hea...1.41%3,426,3775,276,621+297,150+9.50%
iShares Nasdaq Biotechnology ETF1.40%3,415,6685,260,129+59,300+1.77%
Vanguard Small Cap Growth Index F...1.25%3,040,1914,681,894-46,952-1.52%
Vanguard Extended Market Index Fu...1.21%2,942,2494,531,063+54,842+1.90%
Fidelity Select Health Care Portf...1.18%2,867,9854,416,697-1,632,015-36.27%
Wellington Mgmt. Funds (Ireland) ...1.12%2,715,0554,181,185+15,340+0.57%
Fidelity Health Care Central Inve...0.82%2,000,0003,080,00000.00%