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

Institutional Holders (2016Q2)
Portfolio Summary: 232 Institutional holders with a total value of $3,564,752,432.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 BALYASNY ASSET MANAGEMENT L.P. 62,252 2,505,000 0.07%
102 Nationwide Fund Advisors 61,318 2,467,000 0.07%
103 HOWARD HUGHES MEDICAL INSTITUTE 61,271 2,466,000 0.07%
104 METROPOLITAN LIFE INSURANCE CO/NY 60,793 2,446,000 0.07%
105 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 60,647 2,440,000 0.07%
106 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 57,799 2,326,000 0.07%
107 MANUFACTURERS LIFE INSURANCE COMPANY, THE 56,391 2,269,000 0.06%
108 BANK OF MONTREAL /CAN/ 53,863 2,168,000 0.06%
109 TUDOR INVESTMENT CORP ET AL 53,070 2,136,000 0.06%
110 D. E. Shaw & Co., Inc. 51,889 2,088,000 0.06%
111 AHL Partners LLP 51,613 2,077,000 0.06%
112 PUTNAM INVESTMENTS LLC 49,989 2,012,000 0.06%
113 SUSQUEHANNA INTERNATIONAL GROUP, LLP 49,700 2,000,000 0.06% Put
114 WILKINS INVESTMENT COUNSEL INC 49,250 1,982,000 0.06%
115 AMERICAN INTERNATIONAL GROUP, INC. 47,619 1,916,189 0.05%
116 Creative Planning 44,862 1,805,000 0.05%
117 DekaBank Deutsche Girozentrale 43,476 1,712,000 0.05%
118 STRS OHIO 41,300 1,661,000 0.05%
119 ClariVest Asset Management LLC 41,141 1,655,000 0.05%
120 VIRGINIA RETIREMENT SYSTEMS ET Al 40,200 1,618,000 0.05%
121 REGIONS FINANCIAL CORP 39,628 1,595,000 0.04%
122 I.G. INVESTMENT MANAGEMENT, LTD. 39,419 1,586,000 0.04%
123 AQR CAPITAL MANAGEMENT LLC 38,364 1,544,000 0.04%
124 PRUDENTIAL FINANCIAL INC 38,216 1,538,000 0.04%
125 LOS ANGELES CAPITAL MANAGEMENT LLC 37,888 1,525,000 0.04%
126 Abacus FCF Advisors LLC 37,828 1,522,000 0.04%
127 TWIN CAPITAL MANAGEMENT INC 37,828 1,522,000 0.04%
128 BlackRock Finance, Inc. 35,687 1,435,000 0.04%
129 US BANCORP \DE\ 33,925 1,365,000 0.04%
130 GUGGENHEIM CAPITAL LLC 31,695 1,276,000 0.04%
131 Asset Management One Co., Ltd. 31,756 1,250,000 0.04%
132 SUSQUEHANNA INTERNATIONAL GROUP, LLP 30,400 1,223,000 0.03% Call
133 JENNISON ASSOCIATES LLC 29,565 1,190,000 0.03%
134 TRUIST FINANCIAL CORP 29,372 1,182,000 0.03%
135 LAZARD ASSET MANAGEMENT LLC 28,900 1,162,000 0.03%
136 G2 Investment Partners Management LLC 28,600 1,151,000 0.03% Call
137 Fiera Capital Corp 27,900 1,123,000 0.03%
138 ENVESTNET ASSET MANAGEMENT INC 27,330 1,100,000 0.03%
139 Assured Investment Management LLC 27,212 1,095,000 0.03%
140 MARTINGALE ASSET MANAGEMENT L P 26,029 1,048,000 0.03%
141 AZZAD ASSET MANAGEMENT INC /ADV 25,285 1,017,482 0.03%
142 NJ State Employees Deferred Compensation Plan 25,000 1,006,000 0.03%
143 Walleye Trading LLC 22,900 921,000 0.03% Call
144 SUSQUEHANNA INTERNATIONAL GROUP, LLP 20,210 813,000 0.02%
145 BOSTON ADVISORS LLC 19,695 793,000 0.02%
146 Zebra Capital Management LLC 18,936 762,000 0.02%
147 BROOKFIELD Corp /ON/ 18,920 761,000 0.02%
148 VIRTUS CAPITAL ADVISERS, LLC 18,526 743,000 0.02%
149 Legal & General Group Plc 18,389 730,000 0.02%
150 MACKENZIE FINANCIAL CORP 17,686 712,000 0.02%
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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.