Dark
Light
System
Security
SONUS NETWORKS INC COM NEW
SONUS NETWORKS INC COM NEW. Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 137 Institutional holders with a total value of $248,322,900.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 238 1,000 0.00%
2 BARCLAYS PLC 200 1,000 0.00% Put
3 Advisory Services Network, LLC 110 1,000 0.00%
4 BRONFMAN E.L. ROTHSCHILD, L.P. 185 1,000 0.00%
5 Tower Research Capital LLC (TRC) 157 1,000 0.00%
6 MSI Financial Services Inc 160 1,000 0.00%
7 CUTLER GROUP LLC / CA 5,100 2,000 0.00% Call
8 CUTLER GROUP LLC / CA 371 2,000 0.00%
9 DELTA ASSET MANAGEMENT LLC/TN 400 3,000 0.00%
10 Walleye Trading LLC 500 4,000 0.00% Put
11 MUFG Americas Holdings Corp 660 5,000 0.00%
12 Zurcher Kantonalbank (Zurich Cantonalbank) 1,034 8,000 0.00%
13 PNC FINANCIAL SERVICES GROUP, INC. 1,273 10,000 0.00%
14 CITIGROUP INC 1,400 11,000 0.00% Call
15 ROYAL BANK OF CANADA 1,511 11,000 0.00%
16 JPMORGAN CHASE & CO 1,399 11,000 0.00%
17 BARCLAYS PLC 1,700 12,000 0.00% Call
18 NISA INVESTMENT ADVISORS, LLC 2,040 15,000 0.01%
19 CANADA LIFE ASSURANCE Co 2,374 18,000 0.01%
20 ACROSPIRE INVESTMENT MANAGEMENT LLC 3,331 25,000 0.01%
21 QS Investors, LLC 3,398 26,000 0.01%
22 Walleye Trading LLC 3,700 28,000 0.01% Call
23 BlackRock Finance, Inc. 4,545 34,000 0.01%
24 LADENBURG THALMANN FINANCIAL SERVICES INC. 4,554 35,000 0.01%
25 TEACHER RETIREMENT SYSTEM OF TEXAS 5,543 42,000 0.02%
26 PANAGORA ASSET MANAGEMENT INC 6,177 46,000 0.02%
27 SEI INVESTMENTS CO 6,141 47,000 0.02%
28 Quantbot Technologies LP 7,397 55,000 0.02%
29 BANK OF AMERICA CORP /DE/ 8,565 64,000 0.03%
30 THOMPSON DAVIS & CO., INC. 8,500 64,000 0.03%
31 PEAK6 Group LLC 8,738 66,000 0.03%
32 Legal & General Group Plc 9,357 69,000 0.03%
33 CITADEL ADVISORS LLC 10,601 80,000 0.03%
34 UBS Group AG 11,173 83,000 0.03%
35 Paloma Partners Management Co 11,989 90,000 0.04%
36 BALYASNY ASSET MANAGEMENT L.P. 12,080 91,000 0.04%
37 BAYESIAN CAPITAL MANAGEMENT, LP 12,800 96,000 0.04%
38 PEAK6 Group LLC 13,300 100,000 0.04% Call
39 Walleye Trading LLC 13,455 101,000 0.04%
40 RBF Capital, LLC 14,000 105,000 0.04%
41 BARCLAYS PLC 14,947 105,000 0.04%
42 BOOTHBAY FUND MANAGEMENT, LLC 14,097 106,000 0.04%
43 FEDERATED HERMES, INC. 15,241 115,000 0.05%
44 GROUP ONE TRADING LLC 15,821 119,000 0.05%
45 STEVENS CAPITAL MANAGEMENT LP 17,325 130,000 0.05%
46 Squarepoint Ops LLC 17,400 131,000 0.05%
47 FIRST MIDWEST BANK TRUST DIVISION 17,785 134,000 0.05%
48 KBC Group NV 18,143 137,000 0.06%
49 FOX RUN MANAGEMENT, L.L.C. 18,300 138,000 0.06%
50 AMP Capital Investors Ltd 19,000 142,000 0.06%
Page 1 of 3

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.