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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001209191-09-007665
Filing Date
2009-02-10
Accepted
2009-02-10 08:09:07
Documents
1
Period of Report
2009-01-31

Document Format Files

Seq Description Document Type Size
1 MAIN DOCUMENT DESCRIPTION c80315_3x0.html 3  
1 MAIN DOCUMENT DESCRIPTION c80315_3x0.xml 3 4097
  Complete submission text file 0001209191-09-007665.txt   6405
Mailing Address 100 BELLEVUE PARKWAY WILMINGTON DE 19809
Business Address 100 BELLEVUE PARKWAY WILMINGTON DE 19809 800-441-7762
BLACKROCK MUNIYIELD INSURED INVESTMENT FUND (Issuer) CIK: 0000891188 (see all company filings)

IRS No.: 223196058 | Fiscal Year End: 0630
SIC: 0000

Mailing Address BAHNHOFSTRASSE 45 P O BOX CH 8098 ZURICH V8 -
Business Address BAHNHOFSTRASSE 45 P O BOX CH 8098 ZURICH V8 - 41-1-234-4100
UBS AG (Reporting) CIK: 0001114446 (see all company filings)

Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 811-07156 | Film No.: 09583197
SIC: 6021 National Commercial Banks