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RAMBUS INC DEL COM
RAMBUS INC DEL COM. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 147 Institutional holders with a total value of $782,902,988.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 11,273,600 121,191,000 15.48%
2 WADDELL & REED FINANCIAL INC 10,350,706 111,271,000 14.21%
3 PRIMECAP MANAGEMENT CO/CA/ 8,585,583 92,295,000 11.79%
4 VANGUARD GROUP INC 7,098,434 76,309,000 9.75%
5 SAC Capital Advisors LP 3,304,088 35,519,000 4.54%
6 BlackRock Institutional Trust Company, N.A. 3,112,938 33,464,000 4.27%
7 BlackRock Fund Advisors 2,814,478 30,256,000 3.86%
8 Neuberger Berman Group LLC 2,519,303 27,083,000 3.46%
9 STATE STREET CORP 2,320,648 24,949,000 3.19%
10 KING LUTHER CAPITAL MANAGEMENT CORP 2,297,995 24,703,000 3.16%
11 DIMENSIONAL FUND ADVISORS LP 2,047,560 22,011,000 2.81%
12 NORTHERN TRUST CORP 1,436,432 15,443,000 1.97%
13 TEACHERS ADVISORS, LLC 1,434,545 15,421,000 1.97%
14 NORGES BANK 1,038,232 11,161,000 1.43%
15 GEODE CAPITAL MANAGEMENT, LLC 816,772 8,780,000 1.12%
16 Bank of New York Mellon Corp 792,688 8,520,000 1.09%
17 LIGHT STREET CAPITAL MANAGEMENT, LLC 553,588 5,951,000 0.76%
18 DEUTSCHE BANK AG\ 534,110 5,741,000 0.73%
19 RENAISSANCE TECHNOLOGIES LLC 501,500 5,391,000 0.69%
20 GOLDMAN SACHS GROUP INC 492,365 5,293,000 0.68%
21 TIAA CREF INVESTMENT MANAGEMENT LLC 438,046 4,709,000 0.60%
22 SUSQUEHANNA INTERNATIONAL GROUP, LLP 380,800 4,094,000 0.52% Put
23 TWO SIGMA INVESTMENTS, LP 353,977 3,805,000 0.49%
24 WELLINGTON MANAGEMENT GROUP LLP 351,036 3,774,000 0.48%
25 CASTLEARK MANAGEMENT LLC 343,377 3,691,000 0.47%
26 CREDIT SUISSE AG/ 342,018 3,676,000 0.47%
27 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 299,700 3,350,000 0.43%
28 BlackRock Investment Management, LLC 308,028 3,311,000 0.42%
29 MILLENNIUM MANAGEMENT LLC 305,018 3,279,000 0.42%
30 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 299,737 3,223,000 0.41%
31 PARAMETRIC PORTFOLIO ASSOCIATES LLC 231,322 2,487,000 0.32%
32 SUSQUEHANNA INTERNATIONAL GROUP, LLP 219,200 2,356,000 0.30% Call
33 SUSQUEHANNA INTERNATIONAL GROUP, LLP 207,356 2,229,000 0.28%
34 TWO SIGMA ADVISERS, LP 207,097 2,228,000 0.28%
35 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 202,928 2,181,000 0.28%
36 ALLIANCEBERNSTEIN L.P. 199,140 2,141,000 0.27%
37 ING GROEP NV 187,149 2,014,000 0.26%
38 GOLDMAN SACHS GROUP INC 183,700 1,975,000 0.25% Call
39 FIC CAPITAL INC 180,000 1,935,000 0.25%
40 Cortina Asset Management, LLC 161,690 1,738,000 0.22%
41 AMERICAN CENTURY COMPANIES INC 154,985 1,666,000 0.21%
42 MORGAN STANLEY 146,087 1,571,000 0.20%
43 Swiss National Bank 126,300 1,358,000 0.17%
44 CITIGROUP INC 121,900 1,310,000 0.17% Call
45 GOLDMAN SACHS GROUP INC 114,100 1,227,000 0.16% Put
46 AQR CAPITAL MANAGEMENT LLC 113,305 1,218,000 0.16%
47 ProShare Advisors LLC 113,028 1,215,000 0.16%
48 CITIGROUP INC 105,936 1,138,000 0.15%
49 PEAK6 Group LLC 105,700 1,136,000 0.15% Call
50 RHUMBLINE ADVISERS 105,690 1,136,000 0.15%
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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.