Affymax Inc: Ownership

Ownership Information
Shares Outstanding 19.00 Mil
Institutional Ownership (%)59.99
Top 10 Institutions (%)47.40
Mutual Fund Ownership (%)1.27
5%/Insider Ownership (%)23.63
Float (%)76.37
Ownership Activity
Description# of HoldersShares
Total Positions 7011,398,804
New Positions170
Soldout Positions180
Net Position Change191,013,862
Buyers472,592,773
Sellers28-1,578,911
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Credit Suisse Securities (USA) LLC 2,229,193 -13,609 -0.6 11,920,580 11.7 0.1 09-30-09
MPM Capital, L.L.C. 1,600,469 0 0.0 8,738,560 8.4 20.6 09-30-09
HealthCor Management, L.P. 1,350,000 -55,000 -3.9 2,245,950 7.1 0.9 06-30-09
Sectoral Asset Management Inc. 1,281,559 1,208,748 1,660.1 29,274,538 6.7 1.0 09-30-09
Biotechnology Value Fund, Inc. 622,280 0 0.0 1,443,689 3.3 5.0 06-30-09
Barclays Global Investors, N.A. 490,128 118,534 31.9 3,046,680 2.6 0.0 06-30-09
Wellington Management Company, LLP 387,168 38,868 11.2 1,524,393 2.0 0.0 06-30-09
Dimensional Fund Advisors, LP 372,804 200,802 116.7 5,736,291 2.0 0.0 09-30-09
Vanguard Group, Inc. 371,995 41,457 12.5 1,530,901 1.9 0.0 06-30-09
Bridger Management, LLC 298,499 0 0.0 692,518 1.6 0.5 06-30-09
Pictet Asset Management Ltd. 262,400 262,400 100.0 6,268,736 1.4 0.0 09-30-09
Nomura Asset Management Co., Ltd. 255,900 255,900 100.0 6,113,451 1.3 0.1 09-30-09
State Street Global Advisors (US) 164,611 -10,553 -6.0 211,889 0.9 0.0 06-30-09
Straus Capital Management, L.L.C. 160,675 0 0.0 372,766 0.8 1.8 06-30-09
AXA Investment Managers Paris 147,151 -25,771 -14.9 -73,780 0.8 0.2 06-30-09
*Category Headings:
Shs Held - shares held at report date
Shs Chg - position change within reporting period
%Chg - % change
$Chg - market value of the position change
%Out - % of shares outstanding
%Port - % Portfolio
Rpt Date - report date
Page generated 11/25/2009 1:37 AM Eastern Time