Dark
Light
System
Security
ASPEN TECHNOLOGY INC
ASPEN TECHNOLOGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 249 Institutional holders with a total value of $3,304,541,148.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WADDELL & REED FINANCIAL INC 10,217,490 369,158,000 11.17%
2 VANGUARD GROUP INC 8,036,025 290,342,000 8.79%
3 ALLIANCEBERNSTEIN L.P. 4,475,400 161,696,000 4.89%
4 AJO, LP 3,213,644 116,109,000 3.51%
5 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 2,793,972 100,946,000 3.05%
6 Clearbridge Investments, LLC 2,537,913 91,695,000 2.77%
7 BlackRock Institutional Trust Company, N.A. 2,309,001 83,424,000 2.52%
8 Fisher Asset Management, LLC 2,290,258 82,335,000 2.49%
9 Artisan Partners Limited Partnership 2,278,042 82,306,000 2.49%
10 BlackRock Fund Advisors 2,263,304 81,773,000 2.47%
11 BROWN BROTHERS HARRIMAN & CO 2,204,675 79,655,000 2.41%
12 Two Creeks Capital Management, LP 2,102,601 75,967,000 2.30%
13 Neuberger Berman Group LLC 2,034,113 73,493,000 2.22%
14 RENAISSANCE TECHNOLOGIES LLC 1,826,500 65,991,000 2.00%
15 STATE STREET CORP 1,667,966 60,261,000 1.82%
16 RGM Capital, LLC 1,594,978 57,627,000 1.74%
17 Invesco Ltd. 1,518,319 54,856,000 1.66%
18 FMR LLC 1,447,839 52,310,000 1.58%
19 MANNING & NAPIER ADVISORS LLC 1,286,281 46,471,000 1.41%
20 NORTHERN TRUST CORP 1,193,307 43,114,000 1.30%
21 JPMORGAN CHASE & CO 1,126,866 40,714,000 1.23%
22 DIMENSIONAL FUND ADVISORS LP 1,050,036 37,937,000 1.15%
23 HMI Capital Management, L.P. 1,042,400 37,662,000 1.14%
24 EAGLE ASSET MANAGEMENT INC 994,272 35,923,000 1.09%
25 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 985,200 35,595,000 1.08%
26 Bank of New York Mellon Corp 973,356 35,167,000 1.06%
27 Gotham Asset Management, LLC 970,734 35,073,000 1.06%
28 TimesSquare Capital Management, LLC 907,900 32,802,000 0.99%
29 ALKEON CAPITAL MANAGEMENT LLC 902,413 32,604,000 0.99%
30 BAMCO INC /NY/ 898,400 32,459,000 0.98%
31 GOLDMAN SACHS GROUP INC 849,905 30,707,000 0.93%
32 GEODE CAPITAL MANAGEMENT, LLC 805,837 29,114,000 0.88%
33 WELLS FARGO & COMPANY/MN 800,958 28,937,000 0.88%
34 Stephens Investment Management Group LLC 780,849 28,212,000 0.85%
35 SMITH ASSET MANAGEMENT GROUP LP 733,660 26,418,000 0.80%
36 FIL Ltd 693,004 25,039,000 0.76%
37 BlueSpruce Investments, LP 679,671 24,557,000 0.74%
38 NORGES BANK 613,888 22,180,000 0.67%
39 Numeric Investors LLC 604,463 21,839,000 0.66%
40 PRINCIPAL FINANCIAL GROUP INC 596,954 21,568,000 0.65%
41 JANUS HENDERSON INVESTORS US LLC 596,647 21,557,000 0.65%
42 TIAA CREF INVESTMENT MANAGEMENT LLC 501,994 18,137,000 0.55%
43 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 490,228 17,712,000 0.54%
44 PRICE T ROWE ASSOCIATES INC /MD/ 487,011 17,596,000 0.53%
45 Provident Investment Management, Inc. 476,037 17,199,000 0.52%
46 VOYA INVESTMENT MANAGEMENT LLC 458,008 16,548,000 0.50%
47 WELLINGTON MANAGEMENT GROUP LLP 420,000 15,175,000 0.46%
48 FRANKLIN RESOURCES INC 410,414 14,828,000 0.45%
49 AMERIPRISE FINANCIAL INC 406,108 14,673,000 0.44%
50 RUSSELL FRANK CO/ 387,826 14,021,000 0.42%
Page 1 of 5

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.