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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000950123-11-012051
Filing Date
2011-02-11
Accepted
2011-02-10 19:13:25
Documents
3
Group Members
COLUMBIA MANAGEMENT INVESTMENT ADVISERS, LLC

Document Format Files

Seq Description Document Type Size
1 SC 13G c62805e3sc13g.htm SC 13G 44241
2 EX-99.I c62805e3exv99wi.htm EX-99.I 1070
3 EX-99.II c62805e3exv99wii.htm EX-99.II 2798
  Complete submission text file 0000950123-11-012051.txt   50426
Mailing Address 1099 AMERIPRISE FINANCIAL CENTER MINNEAPOLIS MN 55474
Business Address 1099 AMERIPRISE FINANCIAL CENTER MINNEAPOLIS MN 55474 612-671-2018
AMERIPRISE FINANCIAL INC (Filed by) CIK: 0000820027 (see all company filings)

IRS No.: 133180631 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 6282 Investment Advice

Mailing Address 200 WHEELER ROAD BURLINGTON MA 01803
Business Address 200 WHEELER ROAD BURLINGTON MA 01803 6179491000
ASPEN TECHNOLOGY INC /DE/ (Subject) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G | Act: 34 | File No.: 005-44607 | Film No.: 11594337
SIC: 7371 Services-Computer Programming Services