SONS

Sonus Networks, Inc. Institutional Ownership

$7.97
*  
0.08
1.01%
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*Delayed - data as of May 4, 2015  -  Find a broker to begin trading SONS now
Exchange: NASDAQ
Industry: Technology
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Ownership Summary Institutional Holdings Insiders
(SEC Form 4)
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Ownership Summary


Institutional Ownership 87.17%
Total Shares Outstanding (millions) 49
Total Value of Holdings (millions) $340

Active Positions

Holders Shares
Increased Positions 82 12,875,407
Decreased Positions 75 4,186,764
Held Positions 23 26,038,279
Total Institutional Shares 180 43,100,450

New and Sold Out Positions


Holders Shares
New Positions 27 819,501
Sold Out Positions 25 1,377,288

180 Institutional Holders
43,100,450 Total Shares Held


Click on the column header links to resort ascending (▲) or descending (▼).
Owner Name Date Shared Held Change (Shares) Change (%) Value (in 1,000s)
WALTHAUSEN & CO., LLC 12/31/2014 4,692,090 3,885,120 481.45 37,021
WELLINGTON MANAGEMENT GROUP LLP 12/31/2014 4,361,190 1,829,862 72.29 34,410
EMPIRE CAPITAL MANAGEMENT, L.L.C. 12/31/2014 2,915,000 (950,000) (24.58) 22,999
VANGUARD GROUP INC 12/31/2014 2,867,293 65,892 2.35 22,623
KENNEDY CAPITAL MANAGEMENT, INC. 12/31/2014 1,652,333 1,341,378 431.37 13,037
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 12/31/2014 1,641,844 (315,539) (16.12) 12,954
CUPPS CAPITAL MANAGEMENT, LLC 12/31/2014 1,494,261 1,276,021 584.69 11,790
KING LUTHER CAPITAL MANAGEMENT CORP 12/31/2014 1,453,148 (5,070) (0.35) 11,465
DIMENSIONAL FUND ADVISORS LP 12/31/2014 1,420,764 (102,165) (6.71) 11,210
PRICE T ROWE ASSOCIATES INC /MD/ 12/31/2014 1,372,498 (19,900) (1.43) 10,829
CLEARBRIDGE INVESTMENTS, LLC 12/31/2014 1,300,938 637,979 96.23 10,264
BLACKROCK FUND ADVISORS 12/31/2014 1,239,459 182,039 17.22 9,779
MARSHALL WACE LLP 12/31/2014 1,020,826 895,662 715.59 8,054
CAPITAL WORLD INVESTORS 12/31/2014 1,000,000 100,000 11.11 7,890
FIRST TRUST ADVISORS LP 12/31/2014 945,907 261,120 38.13 7,463

Institutional Holdings information for this company is filed by major institutions on form 13-F with the Securities and Exchange Commission.
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