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NETSCOUT SYSTEMS INC
NETSCOUT SYSTEMS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 167 Institutional holders with a total value of $1,946,324,179.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BROWN CAPITAL MANAGEMENT LLC 5,531,279 242,547,000 12.46%
2 CIBC Private Wealth Group LLC 4,802,546 210,592,000 10.82%
3 ARISTEIA CAPITAL, L.L.C. 4,000,000 175,400,000 9.01%
4 Neuberger Berman Group LLC 3,045,508 133,546,000 6.86%
5 VANGUARD GROUP INC 2,520,084 110,505,000 5.68%
6 BlackRock Fund Advisors 2,275,465 99,779,000 5.13%
7 Perkins Investment Management, LLC 1,749,709 76,725,000 3.94%
8 DIMENSIONAL FUND ADVISORS LP 1,137,143 49,864,000 2.56%
9 NEW YORK STATE COMMON RETIREMENT FUND 1,134,990 49,769,000 2.56%
10 MACQUARIE GROUP LTD 1,105,698 48,485,000 2.49%
11 Van Berkom & Associates Inc. 1,078,527 47,293,000 2.43%
12 BlackRock Institutional Trust Company, N.A. 939,379 41,192,000 2.12%
13 PRINCIPAL FINANCIAL GROUP INC 834,203 36,580,000 1.88%
14 AMERIPRISE FINANCIAL INC 753,367 33,037,000 1.70%
15 Apex Capital Management 706,753 30,991,000 1.59%
16 STATE STREET CORP 693,223 30,401,000 1.56%
17 STRATTON MANAGEMENT CO 669,720 29,367,000 1.51%
18 FORT PITT CAPITAL GROUP INC 573,270 25,138,000 1.29%
19 WELLINGTON MANAGEMENT GROUP LLP 504,147 22,107,000 1.14%
20 SKYLINE ASSET MANAGEMENT LP 503,200 22,065,000 1.13%
21 Fisher Asset Management, LLC 496,184 21,758,000 1.12%
22 NORGES BANK 494,405 21,680,000 1.11%
23 NORTHERN TRUST CORP 438,280 19,219,000 0.99%
24 Bank of New York Mellon Corp 414,382 18,171,000 0.93%
25 GEODE CAPITAL MANAGEMENT, LLC 329,608 14,453,000 0.74%
26 PANAGORA ASSET MANAGEMENT INC 311,827 13,674,000 0.70%
27 DEUTSCHE BANK AG\ 295,076 12,938,000 0.66%
28 Gotham Asset Management, LLC 291,260 12,772,000 0.66%
29 PRICE T ROWE ASSOCIATES INC /MD/ 273,400 11,989,000 0.62%
30 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 259,637 11,385,000 0.58%
31 PRUDENTIAL FINANCIAL INC 256,554 11,250,000 0.58%
32 DALTON GREINER HARTMAN MAHER & CO 253,559 11,119,000 0.57%
33 ASHFORD CAPITAL MANAGEMENT INC 224,691 9,853,000 0.51%
34 MERITAGE PORTFOLIO MANAGEMENT 205,885 9,028,000 0.46%
35 MANAGED ACCOUNT ADVISORS LLC 189,103 8,292,000 0.43%
36 Monarch Partners Asset Management LLC 182,401 7,998,000 0.41%
37 AMI ASSET MANAGEMENT CORP 176,748 7,750,000 0.40%
38 TIAA CREF INVESTMENT MANAGEMENT LLC 175,131 7,679,000 0.39%
39 GOLDMAN SACHS GROUP INC 169,830 7,447,000 0.38%
40 HERALD INVESTMENT MANAGEMENT Ltd 150,000 6,645,000 0.34%
41 CS MCKEE LP 151,312 6,635,000 0.34%
42 Invesco Ltd. 141,663 6,212,000 0.32%
43 AMERICAN CENTURY COMPANIES INC 127,286 5,581,000 0.29%
44 BlackRock Investment Management, LLC 121,330 5,320,000 0.27%
45 QS Investors, LLC 120,476 5,283,000 0.27%
46 FRED ALGER MANAGEMENT, LLC 110,377 4,840,000 0.25%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 108,081 4,740,000 0.24%
48 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 131,900 4,638,000 0.24%
49 Nationwide Fund Advisors 105,309 4,618,000 0.24%
50 LMCG INVESTMENTS, LLC 104,141 4,568,000 0.23%
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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.