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MERCURY SYS INC COM
MERCURY SYS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 131 Institutional holders with a total value of $465,623,308.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BARROW HANLEY MEWHINNEY & STRAUSS LLC 2,529,329 39,331,000 8.45%
2 ROYCE & ASSOCIATES LP 2,485,388 38,648,000 8.30%
3 VANGUARD GROUP INC 2,276,730 35,404,000 7.60%
4 BlackRock Fund Advisors 1,978,539 30,766,000 6.61%
5 Trigran Investments, Inc. 1,767,706 27,487,000 5.90%
6 DIMENSIONAL FUND ADVISORS LP 1,644,140 25,567,000 5.49%
7 Neuberger Berman Group LLC 1,462,094 22,736,000 4.88%
8 KILLEN GROUP INC 981,968 15,270,000 3.28%
9 BlackRock Institutional Trust Company, N.A. 963,206 14,978,000 3.22%
10 Murphy Michael R 896,208 13,936,000 2.99%
11 RUTABAGA CAPITAL MANAGEMENT LLC/MA 794,512 12,354,000 2.65%
12 RENAISSANCE TECHNOLOGIES LLC 741,397 11,529,000 2.48%
13 BANK OF MONTREAL /CAN/ 661,328 10,283,000 2.21%
14 STATE STREET CORP 602,963 9,372,000 2.01%
15 IRONWOOD INVESTMENT MANAGEMENT LLC 587,929 9,142,000 1.96%
16 KENNEDY CAPITAL MANAGEMENT LLC 567,778 8,829,000 1.90%
17 AMERIPRISE FINANCIAL INC 518,728 8,067,000 1.73%
18 STATE OF WISCONSIN INVESTMENT BOARD 498,478 7,751,000 1.66%
19 D. E. Shaw & Co., Inc. 473,353 7,361,000 1.58%
20 NORTHERN TRUST CORP 447,429 6,958,000 1.49%
21 ACK Asset Management LLC 413,532 6,430,000 1.38%
22 Pier Capital, LLC 377,184 5,865,000 1.26%
23 Bank of New York Mellon Corp 369,803 5,750,000 1.23%
24 MILLENNIUM MANAGEMENT LLC 280,151 4,356,000 0.94%
25 AMERICAN CENTURY COMPANIES INC 268,279 4,172,000 0.90%
26 EAGLE BOSTON INVESTMENT MANAGEMENT INC 260,539 4,051,000 0.87%
27 MACQUARIE GROUP LTD 224,629 3,493,000 0.75%
28 DISCIPLINED GROWTH INVESTORS INC /MN 223,700 3,479,000 0.75%
29 GEODE CAPITAL MANAGEMENT, LLC 206,320 3,208,000 0.69%
30 PRINCIPAL FINANCIAL GROUP INC 201,020 3,126,000 0.67%
31 UNITED SERVICES AUTOMOBILE ASSOCIATION 188,600 2,933,000 0.63%
32 TWO SIGMA ADVISERS, LP 164,034 2,551,000 0.55%
33 RUSSELL FRANK CO/ 153,636 2,390,000 0.51%
34 TWO SIGMA INVESTMENTS, LP 145,865 2,268,000 0.49%
35 Granite Investment Partners, LLC 145,296 2,259,000 0.49%
36 Invesco Ltd. 141,670 2,203,000 0.47%
37 Aristotle Capital Boston, LLC 140,497 2,185,000 0.47%
38 TIAA CREF INVESTMENT MANAGEMENT LLC 136,635 2,125,000 0.46%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 146,596 2,123,000 0.46%
40 DEUTSCHE BANK AG\ 131,700 2,047,000 0.44%
41 BlackRock Investment Management, LLC 127,807 1,987,000 0.43%
42 CITADEL ADVISORS LLC 113,455 1,764,000 0.38%
43 PARAMETRIC PORTFOLIO ASSOCIATES LLC 111,598 1,735,000 0.37%
44 JUPITER ASSET MANAGEMENT LTD 110,385 1,716,000 0.37%
45 ClariVest Asset Management LLC 105,588 1,641,000 0.35%
46 HEARTLAND ADVISORS INC 100,000 1,555,000 0.33%
47 BAMCO INC /NY/ 88,000 1,368,000 0.29%
48 MORGAN STANLEY 82,116 1,277,000 0.27%
49 Informed Momentum Co LLC 77,000 1,197,000 0.26%
50 NEW YORK STATE COMMON RETIREMENT FUND 72,150 1,122,000 0.24%
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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.