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Institutional investors hold a majority ownership of ZGNX through the 70.95% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Pharmaceuticals: Other industry. Last, during the quarter ended March 2014, these large investors purchased a net $13.1 million shares.
Other institutional36.45%
Mutual fund holders34.50%
Individual stakeholders19.80%

Largest Quarterly Institutional

Latest Institutional Activity

6/30/2014OXFORD ASSET MANAGEMENT LLP  Bought 525.6 Thousand shares of Zogenix Inc
6/30/2014TFS CAPITAL LLC  Bought 46.3 Thousand shares of Zogenix Inc
6/30/2014EP WEALTH ADVISORS, INC.  Sold 10.0 Thousand shares of Zogenix Inc

Top 10 Owners of Zogenix Inc

Total value ($)Shares
bought / sold
Federated Equity Management Compa...15.79%22,031,70044,283,717-1,060,513-4.59%
Gilder, Gagnon, Howe & Co. LLC8.74%12,198,16024,518,302+12,198,160--
Fidelity Management & Research Co...7.95%11,089,69722,290,29100.00%
SSgA Funds Management, Inc.4.55%6,350,53412,764,573+5,072,410+396.86%
Deerfield Management Co. LP4.43%6,174,80912,411,366+3,604,809+140.26%
BlackRock Fund Advisors3.98%5,550,11811,155,737+296,536+5.64%
Visium Asset Management LP3.94%5,500,00011,055,000-3,608,000-39.61%
Broadfin Capital LLC3.68%5,137,64510,326,666-737,631-12.55%
The Vanguard Group, Inc.2.37%3,312,4026,657,928+521,410+18.68%
Federated Global Investment Manag...2.25%3,140,0006,311,400-100,000-3.09%

Top 10 Mutual Funds Holding Zogenix Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Federated Kaufmann Fund13.41%18,710,00037,607,100-930,000-4.74%
Fidelity Select Biotechnology Por...7.03%9,804,70619,707,45900.00%
AST Federated Aggressive Growth P...2.21%3,080,0006,190,80000.00%
Federated Kaufmann Small Cap Fund2.09%2,915,0005,859,150-120,000-3.95%
iShares Russell 2000 ETF1.30%1,817,6323,653,440+351,808+24.00%
Vanguard Total Stock Market Index...1.26%1,764,5683,546,78200.00%
iShares Nasdaq Biotechnology ETF1.17%1,637,5053,291,385+11,887+0.73%
Fidelity Advisor Biotechnology Fu...0.92%1,284,9912,582,83200.00%
Vanguard Extended Market Index Fu...0.83%1,156,3282,324,21900.00%
iShares Russell 2000 Growth ETF0.59%816,5111,641,187+152,911+23.04%

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