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ASPEN TECHNOLOGY INC
ASPEN TECHNOLOGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 255 Institutional holders with a total value of $4,288,319,840.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WADDELL & REED FINANCIAL INC 9,365,025 434,537,000 10.13%
2 VANGUARD GROUP INC 7,043,659 326,826,000 7.62%
3 BlackRock Institutional Trust Company, N.A. 4,146,579 192,401,000 4.49%
4 WELLS FARGO & COMPANY/MN 3,590,753 166,615,000 3.89%
5 Artisan Partners Limited Partnership 3,449,033 160,035,000 3.73%
6 ALLIANCEBERNSTEIN L.P. 3,134,511 145,441,000 3.39%
7 FMR LLC 2,980,394 138,291,000 3.22%
8 Invesco Ltd. 2,605,981 120,918,000 2.82%
9 Allianz Asset Management GmbH 2,565,616 119,044,000 2.78%
10 BlackRock Fund Advisors 2,456,338 113,974,000 2.66%
11 EAGLE ASSET MANAGEMENT INC 2,354,197 109,234,000 2.55%
12 RENAISSANCE TECHNOLOGIES LLC 2,140,900 99,338,000 2.32%
13 STATE STREET CORP 1,921,094 89,144,000 2.08%
14 RGM Capital, LLC 1,840,787 85,413,000 1.99%
15 Clearbridge Investments, LLC 1,837,983 85,282,000 1.99%
16 OppenheimerFunds, Inc. 1,415,270 65,669,000 1.53%
17 ALKEON CAPITAL MANAGEMENT LLC 1,385,271 64,277,000 1.50%
18 NORTHERN TRUST CORP 1,219,872 56,603,000 1.32%
19 TimesSquare Capital Management, LLC 1,219,500 56,585,000 1.32%
20 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,145,689 53,160,000 1.24%
21 Stephens Investment Management Group LLC 1,130,983 52,478,000 1.22%
22 EAGLE BOSTON INVESTMENT MANAGEMENT INC 1,014,661 47,080,000 1.10%
23 VOYA INVESTMENT MANAGEMENT LLC 730,566 33,898,000 0.79%
24 LOOMIS SAYLES & CO L P 727,800 33,770,000 0.79%
25 SEGALL BRYANT & HAMILL, LLC 719,147 33,368,000 0.78%
26 Neuberger Berman Group LLC 704,954 32,710,000 0.76%
27 TEACHERS ADVISORS, LLC 699,640 32,463,000 0.76%
28 GEODE CAPITAL MANAGEMENT, LLC 695,566 32,274,000 0.75%
29 Nationwide Fund Advisors 688,049 31,925,000 0.74%
30 FRED ALGER MANAGEMENT, LLC 684,885 31,779,000 0.74%
31 KING LUTHER CAPITAL MANAGEMENT CORP 678,190 31,468,000 0.73%
32 TIAA CREF INVESTMENT MANAGEMENT LLC 673,168 31,235,000 0.73%
33 AMERIPRISE FINANCIAL INC 668,643 31,025,000 0.72%
34 JPMORGAN CHASE & CO 645,724 29,963,000 0.70%
35 PRINCIPAL FINANCIAL GROUP INC 642,275 29,801,000 0.69%
36 RUSSELL FRANK CO/ 658,711 28,644,000 0.67%
37 JACOBS LEVY EQUITY MANAGEMENT, INC 605,060 28,075,000 0.65%
38 BANK OF MONTREAL /CAN/ 601,920 27,929,000 0.65%
39 NORGES BANK 586,686 27,222,000 0.63%
40 WELLINGTON MANAGEMENT GROUP LLP 577,523 26,797,000 0.62%
41 BLACKROCK ADVISORS LLC 560,604 26,012,000 0.61%
42 FRANKLIN RESOURCES INC 560,000 25,984,000 0.61%
43 Granahan Investment Management, LLC 556,142 25,805,000 0.60%
44 NEXT CENTURY GROWTH INVESTORS LLC 539,903 25,051,000 0.58%
45 Geneva Advisors, LLC 531,186 24,647,000 0.57%
46 Bank of New York Mellon Corp 527,405 24,471,000 0.57%
47 IRONBRIDGE CAPITAL MANAGEMENT LP 493,460 22,897,000 0.53%
48 Fisher Asset Management, LLC 490,414 22,755,000 0.53%
49 PRICE T ROWE ASSOCIATES INC /MD/ 484,079 22,461,000 0.52%
50 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 481,349 22,335,000 0.52%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.