SONS

Sonus Networks, Inc. Institutional Ownership

$7.74
*  
0.01
0.13%
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*Delayed - data as of May 22, 2015 13:53 ET  -  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 65.56%
Total Shares Outstanding (millions) 49
Total Value of Holdings (millions) $251

Active Positions

Holders Shares
Increased Positions 82 6,390,663
Decreased Positions 92 16,964,414
Held Positions 8 9,060,904
Total Institutional Shares 182 32,415,981

New and Sold Out Positions


Holders Shares
New Positions 25 1,628,230
Sold Out Positions 52 6,057,761

182 Institutional Holders
32,415,981 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)
WELLINGTON MANAGEMENT GROUP LLP 03/31/2015 4,665,745 304,555 6.98 36,160
VANGUARD GROUP INC 03/31/2015 3,053,605 186,312 6.50 23,665
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A. 03/31/2015 1,641,265 (579) (0.04) 12,720
PRICE T ROWE ASSOCIATES INC /MD/ 03/31/2015 1,535,478 162,980 11.88 11,900
DIMENSIONAL FUND ADVISORS LP 03/31/2015 1,384,712 (36,052) (2.54) 10,732
BLACKROCK FUND ADVISORS 03/31/2015 1,259,955 20,496 1.65 9,765
FIRST TRUST ADVISORS LP 03/31/2015 1,098,154 152,247 16.10 8,511
KING LUTHER CAPITAL MANAGEMENT CORP 03/31/2015 950,723 (502,425) (34.58) 7,368
WALTHAUSEN & CO., LLC 03/31/2015 937,978 (3,754,112) (80.01) 7,269
STATE STREET CORP 03/31/2015 924,202 82,438 9.79 7,163
EMPIRE CAPITAL MANAGEMENT, L.L.C. 03/31/2015 874,944 (2,040,056) (69.99) 6,781
FMR LLC 03/31/2015 763,120 551,500 260.61 5,914
NORTHERN TRUST CORP 03/31/2015 654,295 107,260 19.61 5,071
CENTRAL SECURITIES CORP 03/31/2015 600,000 0 0.00 4,650
AMERIPRISE FINANCIAL INC 03/31/2015 525,771 106,608 25.43 4,075

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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