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

Institutional Holders (2017Q2)
Portfolio Summary: 260 Institutional holders with a total value of $4,169,436,724.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 7,463,581 412,438,000 9.89%
2 BlackRock Finance, Inc. 5,171,736 285,790,000 6.85%
3 WADDELL & REED FINANCIAL INC 4,973,590 274,840,000 6.59%
4 FMR LLC 3,654,717 201,960,000 4.84%
5 Neuberger Berman Group LLC 3,459,231 191,157,000 4.58%
6 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 3,441,191 190,161,000 4.56%
7 AJO, LP 2,641,504 145,970,000 3.50%
8 Clearbridge Investments, LLC 2,367,675 130,838,000 3.14%
9 RENAISSANCE TECHNOLOGIES LLC 2,360,500 130,441,000 3.13%
10 Fisher Asset Management, LLC 2,044,636 112,987,000 2.71%
11 JPMORGAN CHASE & CO 1,971,391 108,939,000 2.61%
12 PICTET ASSET MANAGEMENT LTD 1,609,712 98,450,000 2.36%
13 ALLIANCEBERNSTEIN L.P. 1,697,766 93,819,000 2.25%
14 STATE STREET CORP 1,599,490 88,389,000 2.12%
15 Two Creeks Capital Management, LP 1,520,264 84,010,000 2.01%
16 WELLINGTON MANAGEMENT GROUP LLP 1,519,415 83,962,000 2.01%
17 Invesco Ltd. 1,504,646 83,146,000 1.99%
18 WELLS FARGO & COMPANY/MN 1,065,943 58,904,000 1.41%
19 NORTHERN TRUST CORP 1,061,538 58,660,000 1.41%
20 CITADEL ADVISORS LLC 897,391 49,590,000 1.19%
21 BAMCO INC /NY/ 885,900 48,955,000 1.17%
22 Stephens Investment Management Group LLC 861,434 47,603,000 1.14%
23 GEODE CAPITAL MANAGEMENT, LLC 794,191 43,886,000 1.05%
24 GOLDMAN SACHS GROUP INC 694,469 38,376,000 0.92%
25 NORGES BANK 667,429 36,882,000 0.88%
26 BROWN ADVISORY INC 654,295 36,155,000 0.87%
27 DIMENSIONAL FUND ADVISORS LP 648,716 35,846,000 0.86%
28 PRICE T ROWE ASSOCIATES INC /MD/ 608,507 33,626,000 0.81%
29 ALKEON CAPITAL MANAGEMENT LLC 590,568 32,635,000 0.78%
30 Boston Trust Walden Corp 540,454 29,866,000 0.72%
31 PRINCIPAL FINANCIAL GROUP INC 521,298 28,807,000 0.69%
32 FRANKLIN RESOURCES INC 514,212 28,415,000 0.68%
33 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 486,237 26,869,000 0.64%
34 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 448,832 24,803,000 0.59%
35 Provident Investment Management, Inc. 425,707 23,525,000 0.56%
36 TimesSquare Capital Management, LLC 417,200 23,054,000 0.55%
37 Jupiter Investment Management Ltd 416,171 22,997,000 0.55%
38 TIAA CREF INVESTMENT MANAGEMENT LLC 394,602 21,806,000 0.52%
39 ROTHSCHILD & CO ASSET MANAGEMENT US INC. 385,639 21,310,000 0.51%
40 Bank of New York Mellon Corp 357,000 19,728,000 0.47%
41 Mawer Investment Management Ltd. 318,488 17,600,000 0.42%
42 KORNITZER CAPITAL MANAGEMENT INC /KS 315,525 17,436,000 0.42%
43 CANADA PENSION PLAN INVESTMENT BOARD 309,900 17,125,000 0.41%
44 LATIMER LIGHT CAPITAL, L.P. 308,632 17,055,000 0.41%
45 STIFEL FINANCIAL CORP 305,883 16,900,000 0.41%
46 NEW YORK STATE COMMON RETIREMENT FUND 294,713 16,286,000 0.39%
47 JANUS HENDERSON GROUP PLC 276,664 15,288,000 0.37%
48 RUSSELL INVESTMENTS GROUP, LTD. 264,216 14,600,000 0.35%
49 ROYAL BANK OF CANADA 248,222 13,719,000 0.33%
50 MORGAN STANLEY 245,695 13,577,000 0.33%
Page 1 of 6

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.