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SONUS NETWORKS INC
SONUS NETWORKS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 149 Institutional holders with a total value of $640,413,945.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 WELLINGTON MANAGEMENT GROUP LLP 21,805,948 86,569,000 13.52%
2 Empire Capital Management, L.L.C. 14,575,000 57,863,000 9.04%
3 VANGUARD GROUP INC 14,336,466 56,916,000 8.89%
4 BlackRock Institutional Trust Company, N.A. 8,209,219 32,591,000 5.09%
5 KING LUTHER CAPITAL MANAGEMENT CORP 7,265,741 28,845,000 4.50%
6 DIMENSIONAL FUND ADVISORS LP 7,103,822 28,203,000 4.40%
7 PRICE T ROWE ASSOCIATES INC /MD/ 6,862,490 27,244,000 4.25%
8 Clearbridge Investments, LLC 6,504,691 25,824,000 4.03%
9 BlackRock Fund Advisors 6,197,296 24,603,000 3.84%
10 FIRST TRUST ADVISORS LP 4,729,536 18,776,000 2.93%
11 Bank of New York Mellon Corp 4,386,235 17,412,000 2.72%
12 STATE STREET CORP 4,208,818 16,710,000 2.61%
13 Century Capital Management, LLC 3,718,953 14,764,000 2.31%
14 CENTRAL SECURITIES CORP 3,000,000 11,910,000 1.86%
15 BLACKROCK ADVISORS LLC 2,757,548 10,947,000 1.71%
16 NORTHERN TRUST CORP 2,735,175 10,859,000 1.70%
17 NORGES BANK 2,272,032 9,020,000 1.41%
18 IRONWOOD INVESTMENT MANAGEMENT LLC 2,116,488 8,402,000 1.31%
19 AMERIPRISE FINANCIAL INC 2,095,816 8,321,000 1.30%
20 ROTHSCHILD & CO ASSET MANAGEMENT US INC. 2,042,843 8,110,000 1.27%
21 TEACHERS ADVISORS, LLC 1,838,593 7,299,000 1.14%
22 GEODE CAPITAL MANAGEMENT, LLC 1,530,190 6,074,000 0.95%
23 D. E. Shaw & Co., Inc. 1,487,084 5,904,000 0.92%
24 TIAA CREF INVESTMENT MANAGEMENT LLC 1,468,377 5,829,000 0.91%
25 JACOBS LEVY EQUITY MANAGEMENT, INC 1,382,659 5,489,000 0.86%
26 KINGDON CAPITAL MANAGEMENT, L.L.C. 1,098,639 4,362,000 0.68%
27 STONERIDGE INVESTMENT PARTNERS LLC 1,058,573 4,203,000 0.66%
28 FMR LLC 1,058,100 4,200,000 0.66%
29 UNITED SERVICES AUTOMOBILE ASSOCIATION 1,053,375 4,182,000 0.65%
30 IMPAX ASSET MANAGEMENT LLC 922,599 3,663,000 0.57%
31 Alyeska Investment Group, L.P. 917,021 3,641,000 0.57%
32 RENAISSANCE TECHNOLOGIES LLC 904,700 3,592,000 0.56%
33 Granite Investment Partners, LLC 761,127 3,022,000 0.47%
34 MILLENNIUM MANAGEMENT LLC 746,161 2,962,000 0.46%
35 NEW YORK STATE COMMON RETIREMENT FUND 738,781 2,933,000 0.46%
36 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 718,696 2,854,000 0.45%
37 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 752,702 2,838,000 0.44%
38 WELLS FARGO & COMPANY/MN 706,341 2,804,000 0.44%
39 BlackRock Investment Management, LLC 669,001 2,656,000 0.41%
40 PARAMETRIC PORTFOLIO ASSOCIATES LLC 645,828 2,564,000 0.40%
41 Espalier Global Management LLC 625,000 2,481,000 0.39%
42 CITADEL ADVISORS LLC 605,652 2,404,000 0.38%
43 HARBER ASSET MANAGEMENT LLC 635,421 2,048,000 0.32%
44 MASON STREET ADVISORS, LLC 508,300 2,018,000 0.32%
45 DEUTSCHE BANK AG\ 472,946 1,876,000 0.29%
46 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 456,132 1,811,000 0.28%
47 DEERE & CO 450,359 1,788,000 0.28%
48 AQR CAPITAL MANAGEMENT LLC 417,156 1,656,000 0.26%
49 ALLIANCEBERNSTEIN L.P. 404,047 1,604,000 0.25%
50 Catalyst Capital Advisors LLC 365,000 1,450,000 0.23%
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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.