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RPX CORP
RPX CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 160 Institutional holders with a total value of $688,748,309.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FIDUCIARY MANAGEMENT INC /WI/ 4,646,795 66,867,000 9.71%
2 VANGUARD GROUP INC 3,121,498 44,919,000 6.52%
3 COLUMBIA WANGER ASSET MANAGEMENT LLC 2,973,300 42,786,000 6.21%
4 BlackRock Institutional Trust Company, N.A. 2,934,092 42,222,000 6.13%
5 BLAIR WILLIAM & CO/IL 2,448,086 35,227,000 5.11%
6 DIMENSIONAL FUND ADVISORS LP 1,895,034 27,270,000 3.96%
7 FEDERATED HERMES, INC. 1,786,875 25,713,000 3.73%
8 ACADIAN ASSET MANAGEMENT LLC 1,680,740 24,184,000 3.51%
9 Boston Partners 1,406,266 20,236,000 2.94%
10 THOMPSON SIEGEL & WALMSLEY LLC 1,376,471 19,807,000 2.88%
11 BlackRock Fund Advisors 1,344,940 19,354,000 2.81%
12 Clearbridge Investments, LLC 1,104,694 15,897,000 2.31%
13 CADIAN CAPITAL MANAGEMENT, LP 1,075,000 15,469,000 2.25%
14 GLENMEDE TRUST CO NA 948,411 13,645,000 1.98%
15 BLACKROCK ADVISORS LLC 873,530 12,570,000 1.83%
16 ROYCE & ASSOCIATES LP 871,100 12,535,000 1.82%
17 STATE STREET CORP 851,607 12,256,000 1.78%
18 LOOMIS SAYLES & CO L P 851,178 12,248,000 1.78%
19 RENAISSANCE TECHNOLOGIES LLC 723,500 10,411,000 1.51%
20 TEACHERS ADVISORS, LLC 684,935 9,856,000 1.43%
21 Stephens Investment Management Group LLC 679,280 9,775,000 1.42%
22 D. E. Shaw & Co., Inc. 645,414 9,288,000 1.35%
23 WELLS FARGO & COMPANY/MN 570,592 8,211,000 1.19%
24 NORTHERN TRUST CORP 561,846 8,085,000 1.17%
25 GEODE CAPITAL MANAGEMENT, LLC 538,683 7,751,000 1.13%
26 JPMORGAN CHASE & CO 518,872 7,466,000 1.08%
27 AMERICAN CENTURY COMPANIES INC 486,376 6,999,000 1.02%
28 DEUTSCHE BANK AG\ 435,349 6,263,000 0.91%
29 TIAA CREF INVESTMENT MANAGEMENT LLC 432,233 6,220,000 0.90%
30 Numeric Investors LLC 387,343 5,574,000 0.81%
31 Invesco Ltd. 381,443 5,489,000 0.80%
32 Bank of New York Mellon Corp 329,664 4,744,000 0.69%
33 RUSSELL FRANK CO/ 323,948 4,663,000 0.68%
34 PUTNAM INVESTMENTS LLC 319,425 4,596,000 0.67%
35 CITADEL ADVISORS LLC 311,212 4,478,000 0.65%
36 CWM, LLC 304,339 4,379,000 0.64%
37 TOCQUEVILLE ASSET MANAGEMENT L.P. 273,100 3,930,000 0.57%
38 QS Investors, LLC 264,400 3,805,000 0.55%
39 BRIDGEWAY CAPITAL MANAGEMENT, LLC 263,296 3,789,000 0.55%
40 SEIZERT CAPITAL PARTNERS, LLC 261,709 3,766,000 0.55%
41 MORGAN STANLEY 256,084 3,685,000 0.54%
42 TWO SIGMA ADVISERS, LP 230,372 3,315,000 0.48%
43 GOLDMAN SACHS GROUP INC 228,961 3,294,000 0.48%
44 MENTA CAPITAL LLC 211,724 3,047,000 0.44%
45 TWO SIGMA INVESTMENTS, LP 185,774 2,673,000 0.39%
46 Robeco Institutional Asset Management B.V. 182,322 2,623,000 0.38%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 170,589 2,455,000 0.36%
48 BlackRock Investment Management, LLC 166,324 2,393,000 0.35%
49 DUPONT CAPITAL MANAGEMENT CORP 151,101 2,174,000 0.32%
50 MILLENNIUM MANAGEMENT LLC 147,775 2,126,000 0.31%
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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.