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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-09-000537
Filing Date
2009-02-13
Accepted
2009-02-13 11:55:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 13G advisoryboard.htm SC 13G/A 24097
  Complete submission text file 0000932471-09-000537.txt   26216
Mailing Address P.O. BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106696295
VANGUARD EXPLORER FUND (Filed by) CIK: 0000034066 (see all company filings)

IRS No.: 510106626 | State of Incorp.: DE | Fiscal Year End: 1031
Type: SC 13G/A
SIC: 0000

Mailing Address 2445 M STREET, NW WASHINGTON DC 20037
Business Address 2445 M STREET, NW WASHINGTON DC 20037 202-266-5600
ADVISORY BOARD CO (Subject) CIK: 0001157377 (see all company filings)

IRS No.: 521468699 | State of Incorp.: DE | Fiscal Year End: 0308
Type: SC 13G/A | Act: 34 | File No.: 005-78027 | Film No.: 09599915
SIC: 8741 Services-Management Services