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

Institutional Holders (2014Q2)
Portfolio Summary: 158 Institutional holders with a total value of $576,094,556.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Empire Capital Management, L.L.C. 22,000,000 78,980,000 13.71%
2 VANGUARD GROUP INC 14,072,846 50,522,000 8.77%
3 FMR LLC 9,813,267 35,230,000 6.12%
4 BlackRock Institutional Trust Company, N.A. 8,234,351 29,561,000 5.13%
5 DIMENSIONAL FUND ADVISORS LP 8,140,790 29,225,000 5.07%
6 PRICE T ROWE ASSOCIATES INC /MD/ 7,016,290 25,188,000 4.37%
7 KING LUTHER CAPITAL MANAGEMENT CORP 6,993,100 25,105,000 4.36%
8 COLUMBUS CIRCLE INVESTORS 6,247,423 22,428,000 3.89%
9 BlackRock Fund Advisors 5,421,061 19,462,000 3.38%
10 STATE STREET CORP 4,125,317 14,806,000 2.57%
11 FIRST TRUST ADVISORS LP 4,083,194 14,659,000 2.54%
12 Walthausen & Co., LLC 4,036,850 14,492,000 2.52%
13 Bank of New York Mellon Corp 3,751,534 13,467,000 2.34%
14 Archon Capital Management LLC 3,085,034 11,075,000 1.92%
15 CENTRAL SECURITIES CORP 3,000,000 10,770,000 1.87%
16 NORTHERN TRUST CORP 2,414,484 8,668,000 1.50%
17 ArrowMark Colorado Holdings LLC 2,171,000 7,794,000 1.35%
18 RENAISSANCE TECHNOLOGIES LLC 2,123,043 7,622,000 1.32%
19 TEACHERS ADVISORS, LLC 2,066,807 7,420,000 1.29%
20 IRONWOOD INVESTMENT MANAGEMENT LLC 2,066,773 7,420,000 1.29%
21 NORGES BANK 1,940,106 6,965,000 1.21%
22 GEODE CAPITAL MANAGEMENT, LLC 1,817,465 6,523,000 1.13%
23 KINGDON CAPITAL MANAGEMENT, L.L.C. 1,700,000 6,103,000 1.06%
24 TIAA CREF INVESTMENT MANAGEMENT LLC 1,532,608 5,502,000 0.96%
25 BLACKROCK ADVISORS LLC 1,529,494 5,491,000 0.95%
26 JACOBS LEVY EQUITY MANAGEMENT, INC 1,490,660 5,351,000 0.93%
27 Alyeska Investment Group, L.P. 1,428,275 5,128,000 0.89%
28 BTG Pactual Global Asset Management Ltd 1,333,750 4,789,000 0.83%
29 MARSHALL WACE, LLP 1,308,500 4,698,000 0.82%
30 KENNEDY CAPITAL MANAGEMENT LLC 1,169,298 4,198,000 0.73%
31 AQR CAPITAL MANAGEMENT LLC 1,155,001 4,146,000 0.72%
32 DEUTSCHE BANK AG\ 1,137,159 4,081,000 0.71%
33 D. E. Shaw & Co., Inc. 1,102,033 3,957,000 0.69%
34 Grandeur Peak Global Advisors, LLC 1,001,100 3,594,000 0.62%
35 PARAMETRIC PORTFOLIO ASSOCIATES LLC 770,686 2,767,000 0.48%
36 WELLS FARGO & COMPANY/MN 754,666 2,709,000 0.47%
37 TFS CAPITAL LLC 743,849 2,670,000 0.46%
38 MILLENNIUM MANAGEMENT LLC 681,920 2,448,000 0.42%
39 WELLINGTON MANAGEMENT GROUP LLP 678,149 2,434,000 0.42%
40 BlackRock Investment Management, LLC 669,675 2,404,000 0.42%
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 655,956 2,355,000 0.41%
42 PRUDENTIAL FINANCIAL INC 607,526 2,181,000 0.38%
43 CITADEL ADVISORS LLC 585,767 2,103,000 0.37%
44 CREDIT SUISSE AG/ 522,152 1,874,000 0.33%
45 MASON STREET ADVISORS, LLC 508,300 1,810,000 0.31%
46 STONERIDGE INVESTMENT PARTNERS LLC 499,284 1,792,000 0.31%
47 HARBER ASSET MANAGEMENT LLC 490,361 1,760,000 0.31%
48 SUSQUEHANNA INTERNATIONAL GROUP, LLP 455,618 1,636,000 0.28%
49 BRIGHTFIELD CAPITAL MANAGEMENT LLC 451,800 1,622,000 0.28%
50 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 448,717 1,611,000 0.28%
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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.