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

Institutional Holders (2015Q1)
Portfolio Summary: 217 Institutional holders with a total value of $2,732,415,259.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ELLIOTT MANAGEMENT CORP 14,966,446 312,948,000 11.45%
2 VANGUARD GROUP INC 9,722,103 203,289,000 7.44%
3 ARROWGRASS CAPITAL PARTNERS (US) LP 8,194,672 171,351,000 6.27%
4 WATER ISLAND CAPITAL LLC 5,880,319 122,957,470 4.50%
5 BlackRock Fund Advisors 5,091,545 106,464,000 3.90%
6 MORGAN STANLEY 4,837,357 101,149,000 3.70%
7 BlackRock Institutional Trust Company, N.A. 4,389,118 91,776,000 3.36%
8 DAVIDSON KEMPNER CAPITAL MANAGEMENT LP 4,198,869 87,756,000 3.21%
9 STATE STREET CORP 4,018,330 84,022,000 3.08%
10 AQR ARBITRAGE LLC 2,816,569 58,894,000 2.16%
11 FMR LLC 2,389,749 49,970,000 1.83%
12 GABELLI FUNDS LLC 2,366,426 49,482,000 1.81%
13 FARALLON CAPITAL MANAGEMENT LLC 2,208,000 46,169,000 1.69%
14 ALPINE ASSOCIATES MANAGEMENT INC. 2,116,007 44,246,000 1.62%
15 PARNASSUS INVESTMENTS, LLC 1,950,000 40,775,000 1.49%
16 TIG Advisors, LLC 1,933,150 40,422,000 1.48%
17 SEGALL BRYANT & HAMILL, LLC 1,873,822 39,182,000 1.43%
18 JPMORGAN CHASE & CO 1,752,015 36,635,000 1.34%
19 GLAZER CAPITAL, LLC 1,675,697 35,039,000 1.28%
20 CITIGROUP INC 1,613,206 33,732,000 1.23%
21 Bank of New York Mellon Corp 1,535,968 32,117,000 1.18%
22 NORGES BANK 1,509,006 31,553,000 1.15%
23 Cheyne Capital Management (UK) LLP 1,452,764 30,370,000 1.11%
24 COWEN INC. 1,478,924 30,298,000 1.11%
25 GLG Partners LP 1,443,038 30,174,000 1.10%
26 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 1,395,757 29,185,000 1.07%
27 Sandell Asset Management Corp. 1,280,204 26,769,000 0.98%
28 KESTREL INVESTMENT MANAGEMENT CORP 1,247,100 26,077,000 0.95%
29 NORTHERN TRUST CORP 1,225,041 25,615,000 0.94%
30 Alyeska Investment Group, L.P. 1,156,587 24,184,000 0.89%
31 DIMENSIONAL FUND ADVISORS LP 1,130,944 23,648,000 0.87%
32 AMERIPRISE FINANCIAL INC 1,122,130 23,463,000 0.86%
33 KENNEDY CAPITAL MANAGEMENT LLC 1,120,152 23,422,000 0.86%
34 GABELLI & Co INVESTMENT ADVISERS, INC. 1,051,104 21,979,000 0.80%
35 GARDNER LEWIS ASSET MANAGEMENT L P 967,578 20,232,000 0.74%
36 AMERICAN CENTURY COMPANIES INC 935,171 19,554,000 0.72%
37 BARCLAYS PLC 975,830 19,516,000 0.71%
38 GEODE CAPITAL MANAGEMENT, LLC 850,699 17,788,000 0.65%
39 DEUTSCHE BANK AG\ 833,100 17,418,000 0.64%
40 MILLENNIUM MANAGEMENT LLC 829,311 17,341,000 0.63%
41 FIL Ltd 791,378 16,548,000 0.61%
42 EQUITEC PROPRIETARY MARKETS, LLC 720,400 15,064,000 0.55% Put
43 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 635,720 13,293,000 0.49%
44 Westchester Capital Management, LLC 592,765 12,395,000 0.45%
45 BlackRock Group LTD 578,113 12,089,000 0.44%
46 GAMCO INVESTORS, INC. ET AL 578,075 12,088,000 0.44%
47 Alberta Investment Management Corp 548,900 11,477,000 0.42%
48 EQUITEC PROPRIETARY MARKETS, LLC 508,806 10,639,000 0.39%
49 TIAA CREF INVESTMENT MANAGEMENT LLC 499,879 10,452,000 0.38%
50 SUSQUEHANNA INTERNATIONAL GROUP, LLP 466,256 9,750,000 0.36%
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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.