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AMERICAN SCIENCE & ENGR INC
AMERICAN SCIENCE & ENGR INC . Institutional holdings reported to the SEC.

Institutional Holders (2016Q1)
Portfolio Summary: 106 Institutional holders with a total value of $152,184,259.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRICE T ROWE ASSOCIATES INC /MD/ 924,723 25,606,000 16.83%
2 BlackRock Fund Advisors 466,407 12,915,000 8.49%
3 INTREPID CAPITAL MANAGEMENT INC 437,777 12,122,000 7.97%
4 VANGUARD GROUP INC 423,915 11,738,000 7.71%
5 RENAISSANCE TECHNOLOGIES LLC 352,600 9,763,000 6.42%
6 DIMENSIONAL FUND ADVISORS LP 259,542 7,187,000 4.72%
7 River Road Asset Management, LLC 243,951 6,755,000 4.44%
8 BlackRock Institutional Trust Company, N.A. 205,673 5,695,000 3.74%
9 ROYCE & ASSOCIATES LP 188,979 5,233,000 3.44%
10 STATE STREET CORP 156,353 4,333,000 2.85%
11 Bank of New York Mellon Corp 122,956 3,405,000 2.24%
12 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 93,468 2,588,000 1.70%
13 BLACKROCK ADVISORS LLC 85,827 2,377,000 1.56%
14 BARROW HANLEY MEWHINNEY & STRAUSS LLC 82,130 2,274,000 1.49%
15 EAGLE BOSTON INVESTMENT MANAGEMENT INC 81,277 2,250,000 1.48%
16 NORTHERN TRUST CORP 78,418 2,172,000 1.43%
17 South Dakota Investment Council 78,020 2,160,000 1.42%
18 Aristotle Capital Boston, LLC 74,028 2,050,000 1.35%
19 JPMORGAN CHASE & CO 69,519 1,925,000 1.26%
20 FULLER & THALER ASSET MANAGEMENT, INC. 65,735 1,820,000 1.20%
21 BOGLE INVESTMENT MANAGEMENT L P /DE/ 64,320 1,781,000 1.17%
22 GEODE CAPITAL MANAGEMENT, LLC 56,703 1,569,000 1.03%
23 TWO SIGMA INVESTMENTS, LP 54,695 1,515,000 1.00%
24 PRINCIPAL FINANCIAL GROUP INC 49,084 1,359,000 0.89%
25 PARAMETRIC PORTFOLIO ASSOCIATES LLC 45,235 1,253,000 0.82%
26 AMERIPRISE FINANCIAL INC 35,050 970,000 0.64%
27 Invesco Ltd. 32,969 913,000 0.60%
28 BlackRock Investment Management, LLC 32,161 891,000 0.59%
29 NORGES BANK 26,762 741,000 0.49%
30 TIAA CREF INVESTMENT MANAGEMENT LLC 25,805 715,000 0.47%
31 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 25,539 708,000 0.47%
32 TWO SIGMA ADVISERS, LP 24,943 691,000 0.45%
33 AQR CAPITAL MANAGEMENT LLC 23,386 648,000 0.43%
34 JACOBS LEVY EQUITY MANAGEMENT, INC 22,400 620,000 0.41%
35 Numeric Investors LLC 21,500 595,000 0.39%
36 RUSSELL FRANK CO/ 20,640 571,000 0.38%
37 BlackRock Group LTD 19,488 540,000 0.35%
38 Engineers Gate Manager LP 17,594 487,000 0.32%
39 DEUTSCHE BANK AG\ 17,592 486,000 0.32%
40 PRUDENTIAL FINANCIAL INC 17,152 475,000 0.31%
41 I.G. INVESTMENT MANAGEMENT, LTD. 17,000 471,000 0.31%
42 MORGAN STANLEY 16,889 468,000 0.31%
43 GOLDMAN SACHS GROUP INC 16,811 465,000 0.31%
44 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 15,657 434,000 0.29%
45 HIGHBRIDGE CAPITAL MANAGEMENT LLC 15,000 416,000 0.27% Put
46 New Jersey Better Educational Savings Trust 14,000 388,000 0.25%
47 RHUMBLINE ADVISERS 13,913 385,000 0.25%
48 Spot Trading L.L.C 13,800 382,000 0.25% Put
49 CITADEL ADVISORS LLC 13,552 375,000 0.25%
50 MENTA CAPITAL LLC 12,998 360,000 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.