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

Institutional Holders (2016Q2)
Portfolio Summary: 111 Institutional holders with a total value of $196,505,158.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRICE T ROWE ASSOCIATES INC /MD/ 899,043 33,633,000 17.12%
2 BlackRock Fund Advisors 474,973 17,769,000 9.04%
3 INTREPID CAPITAL MANAGEMENT INC 417,213 15,608,000 7.94%
4 RENAISSANCE TECHNOLOGIES LLC 380,611 14,239,000 7.25%
5 VANGUARD GROUP INC 352,495 13,186,000 6.71%
6 DIMENSIONAL FUND ADVISORS LP 261,928 9,799,000 4.99%
7 BlackRock Institutional Trust Company, N.A. 200,129 7,487,000 3.81%
8 STATE STREET CORP 159,880 5,980,000 3.04%
9 Bank of New York Mellon Corp 121,372 4,540,000 2.31%
10 BLACKROCK ADVISORS LLC 116,775 4,369,000 2.22%
11 South Dakota Investment Council 112,850 4,222,000 2.15%
12 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 102,512 3,835,000 1.95%
13 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 93,768 3,508,000 1.79%
14 GABELLI FUNDS LLC 85,510 3,199,000 1.63%
15 EAGLE BOSTON INVESTMENT MANAGEMENT INC 83,644 3,129,000 1.59%
16 GARDNER LEWIS ASSET MANAGEMENT L P 82,740 3,095,000 1.58%
17 OMERS ADMINISTRATION Corp 77,400 2,896,000 1.47%
18 NORTHERN TRUST CORP 76,276 2,854,000 1.45%
19 Aristotle Capital Boston, LLC 75,669 2,831,000 1.44%
20 BARROW HANLEY MEWHINNEY & STRAUSS LLC 69,362 2,595,000 1.32%
21 GEODE CAPITAL MANAGEMENT, LLC 54,438 2,036,000 1.04%
22 AQR ARBITRAGE LLC 51,880 1,941,000 0.99%
23 JPMORGAN CHASE & CO 51,612 1,931,000 0.98%
24 PRINCIPAL FINANCIAL GROUP INC 50,186 1,877,000 0.96%
25 PARAMETRIC PORTFOLIO ASSOCIATES LLC 45,000 1,683,000 0.86%
26 AMERIPRISE FINANCIAL INC 36,001 1,347,000 0.69%
27 BlackRock Investment Management, LLC 33,587 1,256,000 0.64%
28 Invesco Ltd. 31,090 1,163,000 0.59%
29 AQR CAPITAL MANAGEMENT LLC 27,725 1,038,000 0.53%
30 NORGES BANK 26,762 1,001,000 0.51%
31 TWO SIGMA ADVISERS, LP 26,143 978,000 0.50%
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 25,917 970,000 0.49%
33 Polar Asset Management Partners Inc. 25,900 969,000 0.49%
34 TWO SIGMA INVESTMENTS, LP 24,407 913,000 0.46%
35 DEIMOS ASSET MANAGEMENT LLC 23,547 881,000 0.45%
36 OppenheimerFunds, Inc. 21,889 819,000 0.42%
37 TIAA CREF INVESTMENT MANAGEMENT LLC 21,477 803,000 0.41%
38 GAMCO INVESTORS, INC. ET AL 19,150 716,000 0.36%
39 I.G. INVESTMENT MANAGEMENT, LTD. 17,457 653,000 0.33%
40 PRUDENTIAL FINANCIAL INC 17,372 650,000 0.33%
41 DEUTSCHE BANK AG\ 16,499 616,000 0.31%
42 MORGAN STANLEY 16,285 610,000 0.31%
43 GABELLI & Co INVESTMENT ADVISERS, INC. 16,250 608,000 0.31%
44 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 14,972 560,000 0.28%
45 RHUMBLINE ADVISERS 12,724 476,000 0.24%
46 UBS Group AG 12,191 456,000 0.23%
47 TEACHERS ADVISORS, LLC 11,501 430,000 0.22%
48 MENTA CAPITAL LLC 10,275 384,000 0.20%
49 Virtu KCG Holdings LLC 10,200 382,000 0.19%
50 HARVEST MANAGEMENT LLC 10,000 374,000 0.19%
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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.