Dark
Light
System
Security
MERCURY SYS INC COM
MERCURY SYS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 151 Institutional holders with a total value of $573,289,561.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BARROW HANLEY MEWHINNEY & STRAUSS LLC 2,449,409 44,971,000 7.84%
2 VANGUARD GROUP INC 2,431,928 44,650,000 7.79%
3 ROYCE & ASSOCIATES LP 2,155,546 39,576,000 6.90%
4 BlackRock Fund Advisors 2,142,362 39,334,000 6.86%
5 DIMENSIONAL FUND ADVISORS LP 1,866,032 34,261,000 5.98%
6 Neuberger Berman Group LLC 1,584,817 29,097,000 5.08%
7 Trigran Investments, Inc. 1,304,898 23,958,000 4.18%
8 WADDELL & REED FINANCIAL INC 1,170,101 21,483,000 3.75%
9 ACK Asset Management LLC 1,052,100 19,317,000 3.37%
10 Bank of New York Mellon Corp 1,050,938 19,295,000 3.37%
11 BlackRock Institutional Trust Company, N.A. 880,266 16,162,000 2.82%
12 RENAISSANCE TECHNOLOGIES LLC 755,445 13,870,000 2.42%
13 KILLEN GROUP INC 713,423 13,098,000 2.28%
14 RUTABAGA CAPITAL MANAGEMENT LLC/MA 664,103 12,193,000 2.13%
15 NORTHERN TRUST CORP 649,894 11,931,000 2.08%
16 STATE STREET CORP 626,837 11,505,000 2.01%
17 KENNEDY CAPITAL MANAGEMENT LLC 589,563 10,824,000 1.89%
18 Granite Investment Partners, LLC 517,478 9,501,000 1.66%
19 D. E. Shaw & Co., Inc. 483,470 8,876,000 1.55%
20 STATE OF WISCONSIN INVESTMENT BOARD 477,500 8,767,000 1.53%
21 AMERIPRISE FINANCIAL INC 441,869 8,113,000 1.42%
22 DRIEHAUS CAPITAL MANAGEMENT LLC 364,243 6,688,000 1.17%
23 Pier Capital, LLC 361,742 6,642,000 1.16%
24 IRONWOOD INVESTMENT MANAGEMENT LLC 262,560 4,821,000 0.84%
25 Boston Partners 238,535 4,380,000 0.76%
26 Aristotle Capital Boston, LLC 237,479 4,360,000 0.76%
27 GEODE CAPITAL MANAGEMENT, LLC 231,316 4,246,000 0.74%
28 RUSSELL FRANK CO/ 222,536 4,203,000 0.73%
29 DISCIPLINED GROWTH INVESTORS INC /MN 226,400 4,157,000 0.73%
30 PRINCIPAL FINANCIAL GROUP INC 218,204 4,006,000 0.70%
31 Invesco Ltd. 213,120 3,913,000 0.68%
32 MILLENNIUM MANAGEMENT LLC 197,960 3,635,000 0.63%
33 UNITED SERVICES AUTOMOBILE ASSOCIATION 177,600 3,261,000 0.57%
34 DEUTSCHE BANK AG\ 168,607 3,094,000 0.54%
35 TIAA CREF INVESTMENT MANAGEMENT LLC 153,269 2,814,000 0.49%
36 BlackRock Investment Management, LLC 146,548 2,691,000 0.47%
37 MACQUARIE GROUP LTD 144,358 2,650,000 0.46%
38 EAGLE BOSTON INVESTMENT MANAGEMENT INC 144,180 2,647,000 0.46%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 135,196 2,482,000 0.43%
40 AMERICAN CENTURY COMPANIES INC 132,127 2,426,000 0.42%
41 ClariVest Asset Management LLC 119,401 2,193,000 0.38%
42 MARSHALL WACE, LLP 105,919 1,945,000 0.34%
43 WESPAC Advisors, LLC 101,763 1,868,000 0.33%
44 TWO SIGMA ADVISERS, LP 101,029 1,855,000 0.32%
45 TWO SIGMA INVESTMENTS, LP 100,760 1,850,000 0.32%
46 BAMCO INC /NY/ 95,303 1,750,000 0.31%
47 MORGAN STANLEY 88,122 1,617,000 0.28%
48 BOGLE INVESTMENT MANAGEMENT L P /DE/ 84,402 1,549,000 0.27%
49 NEW YORK STATE COMMON RETIREMENT FUND 83,619 1,535,000 0.27%
50 PRUDENTIAL FINANCIAL INC 76,454 1,404,000 0.24%
Page 1 of 4

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.