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Mavenir Systems, Inc.
Mavenir Systems, Inc.. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 75 Institutional holders with a total value of $273,528,220.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 August Capital Management V, L.L.C. 2,903,831 51,514,000 18.83%
2 AQR ARBITRAGE LLC 1,671,043 29,644,000 10.84%
3 ALPINE ASSOCIATES MANAGEMENT INC. 1,040,880 18,464,000 6.75%
4 WATER ISLAND CAPITAL LLC 754,921 13,392,299 4.90%
5 Magnetar Financial LLC 696,931 12,364,000 4.52%
6 WELLINGTON MANAGEMENT GROUP LLP 647,171 11,482,000 4.20%
7 CHICAGO CAPITAL MANAGEMENT, LLC 527,543 9,359,000 3.42%
8 Jefferies Group LLC 502,747 8,919,000 3.26%
9 UBS Group AG 499,521 8,862,000 3.24%
10 LONGFELLOW INVESTMENT MANAGEMENT CO LLC 461,600 8,189,000 2.99%
11 VANGUARD GROUP INC 407,586 7,230,000 2.64%
12 K2 PRINCIPAL FUND, L.P. 363,738 6,453,000 2.36%
13 FEDERATED HERMES, INC. 329,277 5,841,000 2.14%
14 BlackRock Fund Advisors 328,207 5,822,000 2.13%
15 VERTEX ONE ASSET MANAGEMENT INC. 294,000 5,216,000 1.91%
16 BERKLEY W R CORP 256,329 4,547,000 1.66%
17 GOLDMAN SACHS GROUP INC 217,313 3,855,000 1.41%
18 DEUTSCHE BANK AG\ 216,019 3,831,000 1.40%
19 Hutchin Hill Capital, LP 210,510 3,734,000 1.37%
20 GABELLI FUNDS LLC 210,300 3,731,000 1.36%
21 Alberta Investment Management Corp 200,000 3,548,000 1.30%
22 GLG Partners LP 188,852 3,350,000 1.22%
23 BlackRock Institutional Trust Company, N.A. 150,136 2,663,000 0.97%
24 Scoria Capital Partners LP 135,830 2,410,000 0.88%
25 BARCLAYS PLC 137,354 2,335,000 0.85%
26 BANK OF AMERICA CORP /DE/ 129,353 2,295,000 0.84%
27 NORTHERN TRUST CORP 122,778 2,178,000 0.80%
28 G2 Investment Partners Management LLC 116,596 2,068,000 0.76%
29 STATE STREET CORP 115,708 2,055,000 0.75%
30 JPMORGAN CHASE & CO 112,383 1,994,000 0.73%
31 Visium Asset Management, LP 110,259 1,956,000 0.72%
32 GABELLI & Co INVESTMENT ADVISERS, INC. 109,640 1,945,000 0.71%
33 Kassirer Asset Management Corp 100,000 1,774,000 0.65%
34 Silphium Asset Management Ltd 84,200 1,493,708 0.55%
35 Lombard Odier Asset Management (USA) Corp 75,000 1,331,000 0.49%
36 S. MUOIO & CO. LLC 75,000 1,330,000 0.49%
37 GEODE CAPITAL MANAGEMENT, LLC 69,428 1,231,000 0.45%
38 Kellner Capital, LLC 67,000 1,189,000 0.43%
39 CQS Cayman LP 65,441 1,161,000 0.42%
40 RENAISSANCE TECHNOLOGIES LLC 56,400 1,001,000 0.37%
41 Bank of New York Mellon Corp 56,393 1,001,000 0.37%
42 CREDIT SUISSE AG/ 46,994 834,000 0.30%
43 PRELUDE CAPITAL MANAGEMENT, LLC 44,400 788,000 0.29%
44 TIAA CREF INVESTMENT MANAGEMENT LLC 43,065 764,000 0.28%
45 Invesco Ltd. 40,239 714,000 0.26%
46 BlackRock Investment Management, LLC 34,270 608,000 0.22%
47 D. E. Shaw & Co., Inc. 33,146 588,000 0.21%
48 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 45,846 565,000 0.21%
49 Millrace Asset Group, Inc. 30,752 545,000 0.20%
50 FIRST NEW YORK SECURITIES LLC /NY 30,573 542,365 0.20%
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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.