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Saturday, November 28, 2009, 11:26AM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Isis Pharmaceuticals, Inc. (ISIS)On Nov 27: 11.00  Down 0.19 (1.70%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 6%
% of Shares Held by Institutional & Mutual Fund Owners: 82%
% of Float Held by Institutional & Mutual Fund Owners: 87%
Number of Institutions Holding Shares: 188

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
WENDER JOSEPH H31,0003-Jul-08
ECKER DAVID J02-Sep-08
KLEIN JOSEPH III8,00011-Aug-08
PARSHALL B LYNNE1,9856-Jul-09
BENNETT C FRANK97623-Jul-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
FEDERATED INVESTORS, INC.7,649,6777.78$111,455,79330-Sep-09
VANGUARD GROUP, INC. (THE)5,785,1055.88$84,288,97930-Sep-09
Barclays Global Investors UK Holdings Ltd5,524,5635.62$80,492,88230-Sep-09
STATE STREET CORPORATION3,205,0913.26$46,698,17530-Sep-09
OPPENHEIMER FUNDS, INC.3,010,6003.06$43,864,44230-Sep-09
Clearbridge Advisors, LLC2,255,8382.29$32,867,55930-Sep-09
SECTORAL ASSET MANAGEMENT, INC.2,000,7132.03$29,150,38830-Sep-09
FMR LLC14,718,91714.96$214,454,62030-Sep-09
WADDELL & REED FINANCIAL INC.1,789,5501.82$26,073,74330-Sep-09
PINNACLE ASSOCIATES, LTD.1,783,2611.81$25,982,11230-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
FIDELITY GROWTH COMPANY FUND9,832,9819.99$143,266,53330-Sep-09
FEDERATED KAUFMANN FUND6,880,7576.99$125,780,23731-Jul-09
OPPENHEIMER GLOBAL OPPORTUNITIES FUND3,000,0003.05$49,500,00030-Jun-09
VANGUARD EXPLORER FUND, INC.1,691,7491.72$30,925,17131-Jul-09
FIDELITY OTC PORTFOLIO1,548,0491.57$22,555,07330-Sep-09
VANGUARD STRATEGIC EQUITY FUND1,525,8021.55$25,175,73330-Jun-09
ISHARES RUSSELL 2000 INDEX FD1,368,7561.39$19,942,77430-Sep-09
WADDELL & REED ADVISORS FDS-SCIENCE & TECHNOLOGY FUND1,150,3001.17$18,979,95030-Jun-09
VANGUARD SMALL-CAP INDEX FUND1,131,1821.15$18,664,50330-Jun-09
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,079,3111.10$17,808,63130-Jun-09

View Transactions for Insiders & Institutional Holders
* Value shown is computed using the security's price on the report date given.


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