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

Institutional Holders (2015Q4)
Portfolio Summary: 177 Institutional holders with a total value of $1,090,367,179.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WADDELL & REED FINANCIAL INC 11,718,106 135,812,000 12.46%
2 PRIMECAP MANAGEMENT CO/CA/ 9,324,322 108,069,000 9.91%
3 VANGUARD GROUP INC 8,908,755 103,253,000 9.47%
4 FMR LLC 7,903,100 91,597,000 8.40%
5 BlackRock Fund Advisors 7,325,139 84,898,000 7.79%
6 OAK RIDGE INVESTMENTS LLC 4,261,587 49,392,000 4.53%
7 Neuberger Berman Group LLC 3,284,026 38,062,000 3.49%
8 DIMENSIONAL FUND ADVISORS LP 3,255,706 37,734,000 3.46%
9 BlackRock Institutional Trust Company, N.A. 2,822,999 32,719,000 3.00%
10 STATE STREET CORP 2,674,585 30,999,000 2.84%
11 CAMBIAR INVESTORS LLC 2,415,106 27,991,000 2.57%
12 RENAISSANCE TECHNOLOGIES LLC 2,211,500 25,631,000 2.35%
13 NORGES BANK 2,085,114 24,166,000 2.22%
14 KING LUTHER CAPITAL MANAGEMENT CORP 1,916,665 22,214,000 2.04%
15 MORGAN STANLEY 1,691,783 19,607,000 1.80%
16 Bank of New York Mellon Corp 1,665,595 19,306,000 1.77%
17 Penn Capital Management Company, LLC 1,658,205 19,219,000 1.76%
18 NORTHERN TRUST CORP 1,360,323 15,766,000 1.45%
19 NOMURA HOLDINGS INC 1,045,800 12,101,000 1.11% Call
20 NOMURA HOLDINGS INC 1,000,000 11,571,000 1.06% Put
21 PRINCIPAL FINANCIAL GROUP INC 791,001 9,168,000 0.84%
22 GEODE CAPITAL MANAGEMENT, LLC 755,028 8,750,000 0.80%
23 UNITED SERVICES AUTOMOBILE ASSOCIATION 688,240 7,977,000 0.73%
24 Invesco Ltd. 665,362 7,712,000 0.71%
25 Walleye Trading LLC 576,300 6,680,000 0.61% Call
26 AMERIPRISE FINANCIAL INC 533,070 6,179,000 0.57%
27 RUSSELL FRANK CO/ 467,551 5,550,000 0.51%
28 Walleye Trading LLC 473,400 5,486,000 0.50% Put
29 BlackRock Investment Management, LLC 436,840 5,063,000 0.46%
30 BANK OF AMERICA CORP /DE/ 436,290 5,057,000 0.46%
31 NEW YORK STATE COMMON RETIREMENT FUND 421,244 4,882,000 0.45%
32 BANK OF MONTREAL /CAN/ 409,033 4,741,000 0.43%
33 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 379,760 4,402,000 0.40%
34 TIAA CREF INVESTMENT MANAGEMENT LLC 371,955 4,311,000 0.40%
35 DEUTSCHE BANK AG\ 351,629 4,074,000 0.37%
36 CITIGROUP INC 320,300 3,712,000 0.34% Call
37 SUSQUEHANNA INTERNATIONAL GROUP, LLP 315,531 3,657,000 0.34%
38 PRUDENTIAL FINANCIAL INC 269,911 3,128,000 0.29%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 221,000 2,561,000 0.23%
40 BLACKROCK ADVISORS LLC 216,736 2,512,000 0.23%
41 ALLIANCEBERNSTEIN L.P. 210,220 2,481,000 0.23%
42 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 213,956 2,480,000 0.23%
43 SUSQUEHANNA INTERNATIONAL GROUP, LLP 208,500 2,417,000 0.22% Call
44 CITIGROUP INC 181,400 2,102,000 0.19% Put
45 FIC CAPITAL INC 180,000 2,086,000 0.19%
46 TEACHERS ADVISORS, LLC 171,306 1,985,000 0.18%
47 AMERICAN CENTURY COMPANIES INC 164,839 1,910,000 0.18%
48 Swiss National Bank 156,500 1,814,000 0.17%
49 D. E. Shaw & Co., Inc. 155,098 1,797,000 0.16%
50 Spot Trading L.L.C 151,200 1,752,000 0.16% Call
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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.