Blackrock Muniyield Investment Fund: Ownership

Ownership Information
Shares Outstanding 14.00 Mil
Institutional Ownership (%)10.53
Top 10 Institutions (%)9.40
Mutual Fund Ownership (%).00
5%/Insider Ownership (%).00
Float (%).00
Ownership Activity
Description# of HoldersShares
Total Positions 221,474,894
New Positions50
Soldout Positions120
Net Position Change-10-217,734
Buyers10330,538
Sellers20-548,272
advertisement
Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Karpus Investment Management 485,847 63,900 15.1 1,755,017 3.6 0.8 09-30-09
Sit Investment Associates, Inc. 378,200 -15,000 -3.8 661,126 2.8 0.2 09-30-09
Morgan Stanley Smith Barney LLC 159,904 159,904 100.0 2,089,945 1.2 0.0 09-30-09
YieldQuest Advisors, LLC 65,475 -144,549 -68.8 -1,431,403 0.5 0.9 09-30-09
Van Kampen Asset Management 43,458 -1,271 -2.8 80,897 0.3 0.0 09-30-09
UBS Securities LLC 43,012 9,461 28.2 196,797 0.3 0.0 09-30-09
Claymore Advisors, LLC 37,069 -4,183 -10.1 35,258 0.3 0.0 09-30-09
SunTrust Bank 35,054 35,054 100.0 458,156 0.3 0.0 09-30-09
GenSpring Family Offices, LLC 34,947 34,947 100.0 456,757 0.3 0.1 09-30-09
RBC Capital Markets Wealth Management 34,708 -423 -1.2 71,057 0.3 0.0 09-30-09
Staley Capital Advisers, Inc. 34,000 0 0.0 74,120 0.3 0.1 09-30-09
Victory Capital Management Inc. 24,964 0 0.0 54,421 0.2 0.0 09-30-09
Fifth Third Asset Management Inc. 20,995 0 0.0 45,769 0.2 0.0 09-30-09
TFS Capital, L.L.C. 16,259 -3,957 -19.6 -7,647 0.1 0.0 09-30-09
Bank of America Merrill Lynch (US) 16,237 4,447 37.7 83,825 0.1 0.0 09-30-09
*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 2/10/2010 6:58 AM Eastern Time