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

Institutional Holders (2015Q1)
Portfolio Summary: 246 Institutional holders with a total value of $3,459,568,937.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Ruggie Capital Group 16 1,000 0.00%
2 ENTERPRISE FINANCIAL SERVICES CORP 25 1,000 0.00%
3 PIEDMONT INVESTMENT ADVISORS INC 45 1,732 0.00%
4 CAPITAL GUARDIAN TRUST CO 60 2,000 0.00%
5 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 48 2,000 0.00%
6 Archford Capital Strategies, LLC 59 2,271 0.00%
7 Cupps Capital Management, LLC 78 3,000 0.00%
8 Sunbelt Securities, Inc. 139 5,350 0.00%
9 Ledyard National Bank 144 6,000 0.00%
10 LADENBURG THALMANN FINANCIAL SERVICES INC. 197 8,000 0.00%
11 Walleye Trading LLC 200 8,000 0.00% Put
12 HOWE & RUSLING INC 232 9,000 0.00%
13 Cable Hill Partners, LLC 298 11,000 0.00%
14 Winslow, Evans & Crocker, Inc. 304 11,702 0.00%
15 TRUST CO OF VERMONT 400 15,000 0.00%
16 Invictus RG Pte. Ltd. 400 15,000 0.00%
17 Zurcher Kantonalbank (Zurich Cantonalbank) 396 15,000 0.00%
18 First Horizon Advisors, Inc. 542 20,000 0.00%
19 NEXT Financial Group, Inc 600 23,000 0.00%
20 MSI Financial Services Inc 675 26,000 0.00%
21 Shamrock Asset Management LLC 725 28,000 0.00%
22 WHITTIER TRUST CO 955 37,000 0.00%
23 Index Management Solutions, LLC 1,154 44,000 0.00%
24 GLENMEDE TRUST CO NA 1,170 44,000 0.00%
25 Walleye Trading LLC 1,500 58,000 0.00% Call
26 US BANCORP \DE\ 1,860 72,000 0.00%
27 Tower Research Capital LLC (TRC) 1,962 75,000 0.00%
28 Independent Portfolio Consultants, Inc. 2,100 81,000 0.00%
29 BNP PARIBAS FINANCIAL MARKETS 2,195 84,486 0.00%
30 D.A. DAVIDSON & CO. 2,500 96,000 0.00%
31 BARCLAYS PLC 2,760 105,000 0.00%
32 WASHINGTON TRUST BANK 3,100 119,000 0.00%
33 SIMPLEX TRADING, LLC 3,138 120,000 0.00%
34 GOLDMAN SACHS GROUP INC 3,300 127,000 0.00% Call
35 GOLDMAN SACHS GROUP INC 3,300 127,000 0.00% Put
36 Quantbot Technologies LP 4,896 188,000 0.01%
37 PRELUDE CAPITAL MANAGEMENT, LLC 5,000 192,000 0.01%
38 Trexquant Investment LP 5,437 209,000 0.01%
39 Veritable, L.P. 5,587 215,000 0.01%
40 PEAK6 Group LLC 5,800 223,000 0.01% Put
41 PEAK6 Group LLC 6,054 233,000 0.01%
42 WESBANCO BANK INC 6,080 234,000 0.01%
43 People's United Financial, Inc. 6,600 254,000 0.01%
44 SYMPHONY ASSET MANAGEMENT LLC 6,785 261,000 0.01%
45 GLOBEFLEX CAPITAL L P 6,936 267,000 0.01%
46 BANK OF HAWAII 7,055 272,000 0.01%
47 Nuveen Asset Management, LLC 7,140 275,000 0.01%
48 CITIGROUP INC 7,291 280,000 0.01%
49 STEPHENS INC /AR/ 7,359 283,000 0.01%
50 SUNTRUST BANKS INC 7,370 283,000 0.01%
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.