AMERICAN SCIENCE & ENGR INC - 029429107

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q2 2014 · Compare: Q1 2014
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
VANGUARD GROUP INC History Added to 539,369 37,535 0.0% 0.0% 1 +11,968 2.27% Q2 2014 Aug 11, 2014
AMERICAN CENTURY COMPANIES INC History Added to 431,542 30,031 0.03% 0.03% 2 +24,891 6.12% Q2 2014 Aug 04, 2014
BlackRock Fund Advisors History Reduced 422,860 29,427 0.01% 0.01% 3 -15,512 -3.54% Q2 2014 Aug 06, 2014
ROYCE & ASSOCIATES LLC History Reduced 324,497 22,582 0.07% 0.06% 4 -900 -0.28% Q2 2014 Aug 11, 2014
DIMENSIONAL FUND ADVISORS LP History Added to 234,845 16,343 0.01% 0.01% 5 +11,308 5.06% Q2 2014 Aug 08, 2014
BlackRock Institutional Trust Company, N.A. History Reduced 232,377 16,171 0.0% 0.0% 6 -32,151 -12.15% Q2 2014 Aug 06, 2014
EAGLE BOSTON INVESTMENT MANAGEMENT INC History Reduced 84,743 5,897 0.29% 0.29% 7 -1,595 -1.85% Q2 2014 Jul 10, 2014
SMITH ASSET MANAGEMENT GROUP LP History Reduced 52,715 3,668 0.14% 0.14% 8 -2,720 -4.91% Q2 2014 Jul 23, 2014
BlackRock Investment Management, LLC History Reduced 29,883 2,080 0.0% 0.0% 9 -1,417 -4.53% Q2 2014 Aug 06, 2014
RHUMBLINE ADVISERS History Reduced 23,706 1,650 0.0% 0.0% 10 -926 -3.76% Q2 2014 Aug 06, 2014
SCHWAB CHARLES INVESTMENT MANAGEMENT INC History Added to 22,703 1,580 0.0% 0.0% 11 +2,080 10.09% Q2 2014 Jul 30, 2014
NEW YORK STATE COMMON RETIREMENT FUND History No change 19,772 1,376 0.0% 0.0% 12 0 0.0% Q2 2014 Aug 05, 2014
Nationwide Fund Advisors History New 15,908 1,107 0.0% 13 +15,908 New Q2 2014 Aug 11, 2014
BlackRock Group LTD History Reduced 14,537 1,011 0.0% 0.0% 14 -9,243 -38.87% Q2 2014 Aug 06, 2014
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM History Added to 11,237 782 0.0% 0.0% 15 +156 1.41% Q2 2014 Aug 07, 2014
CREDIT SUISSE AG/ History Added to 9,528 663 0.0% 0.0% 16 +4,902 105.97% Q2 2014 Aug 11, 2014
TEXAS PERMANENT SCHOOL FUND History Added to 7,972 555 0.01% 0.01% 17 +31 0.39% Q2 2014 Jul 21, 2014
Swiss National Bank History No change 7,700 536 0.0% 0.0% 18 0 0.0% Q2 2014 Aug 06, 2014
METROPOLITAN LIFE INSURANCE CO/NY History Reduced 7,376 513 0.0% 0.0% 19 -150 -1.99% Q2 2014 Jul 31, 2014
NEW YORK STATE TEACHERS RETIREMENT SYSTEM History No change 7,132 496 0.0% 0.0% 20 0 0.0% Q2 2014 Aug 04, 2014
AMERICAN INTERNATIONAL GROUP INC History Reduced 6,092 423 0.0% 0.0% 21 -384 -5.93% Q2 2014 Aug 08, 2014
Arizona State Retirement System History Added to 5,507 383 0.0% 0.0% 22 +100 1.85% Q2 2014 Aug 07, 2014
BLACKROCK ADVISORS LLC History Reduced 4,568 318 0.0% 10.36% 23 -877 -16.11% Q2 2014 Aug 06, 2014
STRS OHIO History Added to 4,300 299 0.0% 0.0% 24 +1,700 65.38% Q2 2014 Jul 24, 2014
CAPSTONE ASSET MANAGEMENT CO History Added to 4,263 297 0.01% 0.01% 25 +930 27.9% Q2 2014 Jul 11, 2014
ProShare Advisors LLC History Reduced 4,106 286 0.0% 0.01% 26 -4,300 -51.15% Q2 2014 Aug 08, 2014
FIRST QUADRANT L P/CA History Added to 3,737 260 0.01% 0.0% 27 +1,900 103.43% Q2 2014 Jul 31, 2014
Louisiana State Employees Retirement System History Added to 3,700 257 0.01% 0.01% 28 +100 2.78% Q2 2014 Jul 30, 2014
SEI TRUST CO History Added to 3,677 256 0.0% 0.0% 29 +277 8.15% Q2 2014 Jul 22, 2014
Yorktown Management & Research Co Inc History No change 3,600 251 0.05% 0.05% 30 0 0.0% Q2 2014 Jul 23, 2014
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY History No change 2,000 139 0.0% 0.0% 31 0 0.0% Q2 2014 Jul 18, 2014
Municipal Employees' Retirement System of Michigan History No change 1,900 132 0.01% 0.01% 32 0 0.0% Q2 2014 Aug 04, 2014
MASON STREET ADVISORS, LLC History Added to 991 69 0.0% 0.0% 33 +31 3.23% Q2 2014 Aug 05, 2014
PNC FINANCIAL SERVICES GROUP, INC. History Added to 830 58 0.0% 0.0% 34 +200 31.75% Q2 2014 Aug 08, 2014
RidgeWorth Capital Management LLC History New 671 47 0.0% 35 +671 New Q2 2014 Jul 31, 2014
Manchester Capital Management LLC History Reduced 500 34 0.0% 0.01% 36 -500 -50.0% Q2 2014 Jul 31, 2014
GREAT WEST LIFE ASSURANCE CO /CAN/ History No change 454 31 0.0% 0.0% 37 0 0.0% Q2 2014 Aug 06, 2014
TEACHER RETIREMENT SYSTEM OF TEXAS History No change 290 20 0.0% 0.0% 38 0 0.0% Q2 2014 Aug 05, 2014
BlackRock Inc. History Reduced 272 19 0.0% 0.0% 39 -23 -7.8% Q2 2014 Aug 06, 2014
American Research & Management Co. History No change 120 8 0.0% 0.0% 40 0 0.0% Q2 2014 Jul 15, 2014
ENTERPRISE FINANCIAL SERVICES CORP History No change 49 3 0.0% 0.0% 41 0 0.0% Q2 2014 Jul 24, 2014
PRICE T ROWE ASSOCIATES INC /MD/ History Closed out 0 0 0.02% -1,031,353 -100.0% Q1 2014 May 15, 2014
NUANCE INVESTMENTS, LLC History Closed out 0 0 3.79% -405,414 -100.0% Q1 2014 May 14, 2014
RENAISSANCE TECHNOLOGIES LLC History Closed out 0 0 0.06% -389,113 -100.0% Q1 2014 May 14, 2014
AMERIPRISE FINANCIAL INC History Closed out 0 0 0.01% -214,744 -100.0% Q1 2014 May 14, 2014
BTIM Corp. History Closed out 0 0 0.2% -203,099 -100.0% Q1 2014 Apr 11, 2014
STATE STREET CORP History Closed out 0 0 0.0% -173,495 -100.0% Q1 2014 May 15, 2014
NORTHERN TRUST CORP History Closed out 0 0 0.0% -110,549 -100.0% Q1 2014 May 14, 2014
Bank of New York Mellon Corp History Closed out 0 0 0.0% -108,190 -100.0% Q1 2014 May 14, 2014
DEPRINCE RACE & ZOLLO INC History Closed out 0 0 0.08% -99,947 -100.0% Q1 2014 May 14, 2014
GEODE CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.0% -80,465 -100.0% Q1 2014 May 14, 2014
AQR CAPITAL MANAGEMENT LLC History Closed out 0 0 0.01% -56,700 -100.0% Q1 2014 May 15, 2014
ING GROEP NV History Closed out 0 0 0.02% -47,900 -100.0% Q1 2014 May 14, 2014
PRINCIPAL FINANCIAL GROUP INC History Closed out 0 0 0.01% -47,667 -100.0% Q1 2014 May 13, 2014
TIAA CREF INVESTMENT MANAGEMENT LLC History Closed out 0 0 0.0% -47,426 -100.0% Q1 2014 May 13, 2014
BATTERYMARCH FINANCIAL MANAGEMENT INC History Closed out 0 0 0.06% -43,546 -100.0% Q1 2014 May 15, 2014
Invesco Ltd. History Closed out 0 0 0.0% -32,235 -100.0% Q1 2014 May 15, 2014
GOLDMAN SACHS GROUP INC History Closed out 0 0 0.0% -30,683 -100.0% Q1 2014 May 15, 2014
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM History Closed out 0 0 0.0% -24,800 -100.0% Q1 2014 Apr 18, 2014
ALLIANCEBERNSTEIN L.P. History Closed out 0 0 0.0% -23,302 -100.0% Q1 2014 May 13, 2014
WELLINGTON MANAGEMENT CO LLP History Closed out 0 0 0.0% -21,868 -100.0% Q1 2014 May 15, 2014
GUGGENHEIM CAPITAL LLC History Closed out 0 0 0.0% -20,079 -100.0% Q1 2014 May 16, 2014
PRUDENTIAL FINANCIAL INC History Closed out 0 0 0.0% -18,447 -100.0% Q1 2014 May 14, 2014
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -17,758 -100.0% Q1 2014 May 14, 2014
TWO SIGMA ADVISERS, LLC History Closed out 0 0 0.01% -16,843 -100.0% Q1 2014 May 15, 2014
Gotham Asset Management, LLC History Closed out 0 0 0.02% -16,794 -100.0% Q1 2014 May 15, 2014
PUBLIC SECTOR PENSION INVESTMENT BOARD History Closed out 0 0 0.01% -15,848 -100.0% Q1 2014 May 15, 2014
Sterneck Capital Management, LLC History Closed out 0 0 0.55% -15,101 -100.0% Q1 2014 May 15, 2014
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Closed out 0 0 0.0% -14,840 -100.0% Q1 2014 May 08, 2014
D. E. Shaw & Co., Inc. History Closed out 0 0 0.0% -14,679 -100.0% Q1 2014 May 15, 2014
PARAMETRIC PORTFOLIO ASSOCIATES LLC History Closed out 0 0 0.0% -14,660 -100.0% Q1 2014 May 13, 2014
TEACHERS ADVISORS INC History Closed out 0 0 0.0% -13,442 -100.0% Q1 2014 May 13, 2014
BANK OF AMERICA CORP /DE/ History Closed out 0 0 0.0% -11,770 -100.0% Q1 2014 May 15, 2014
TWO SIGMA INVESTMENTS LLC History Closed out 0 0 0.0% -10,519 -100.0% Q1 2014 May 15, 2014
BOGLE INVESTMENT MANAGEMENT L P /DE/ History Closed out 0 0 0.05% -10,434 -100.0% Q1 2014 May 14, 2014
MORGAN STANLEY History Closed out 0 0 0.0% -8,870 -100.0% Q1 2014 May 13, 2014
Sterling Capital Management LLC History Closed out 0 0 0.0% -8,545 -100.0% Q1 2014 May 16, 2014
I.G. INVESTMENT MANAGEMENT, LTD. History Closed out 0 0 0.0% -8,365 -100.0% Q1 2014 May 15, 2014
COMERICA BANK History Closed out 0 0 0.0% -7,970 -100.0% Q1 2014 May 15, 2014
TD ASSET MANAGEMENT INC History Closed out 0 0 0.0% -7,500 -100.0% Q1 2014 May 09, 2014
MARTINGALE ASSET MANAGEMENT L P History Closed out 0 0 0.02% -7,202 -100.0% Q1 2014 May 14, 2014
UBS AG History Closed out 0 0 0.0% -7,190 -100.0% Q1 2014 May 16, 2014
State of Tennessee, Treasury Department History Closed out 0 0 0.0% -7,100 -100.0% Q1 2014 May 30, 2014
Janney Montgomery Scott LLC History Closed out 0 0 0.01% -7,096 -100.0% Q1 2014 May 14, 2014
DEUTSCHE BANK AG\ History Closed out 0 0 0.0% -6,994 -100.0% Q1 2014 May 15, 2014
ING INVESTMENT MANAGEMENT LLC History Closed out 0 0 0.0% -6,960 -100.0% Q1 2014 May 15, 2014
BROWN BROTHERS HARRIMAN & CO History Closed out 0 0 0.0% -6,900 -100.0% Q1 2014 May 15, 2014
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Closed out 0 0 0.0% -6,435 -100.0% Q1 2014 May 15, 2014
JPMORGAN CHASE & CO History Closed out 0 0 0.0% -6,275 -100.0% Q1 2014 May 15, 2014
TDAM USA INC. History Closed out 0 0 0.02% -5,800 -100.0% Q1 2014 May 09, 2014
ROYAL BANK OF CANADA History Closed out 0 0 0.0% -5,744 -100.0% Q1 2014 May 15, 2014
CITIGROUP INC History Closed out 0 0 0.0% -4,727 -100.0% Q1 2014 May 15, 2014
MARTIN & CO INC /TN/ History Closed out 0 0 0.11% -4,574 -100.0% Q1 2014 May 15, 2014
A.R.T. Advisors, LLC History Closed out 0 0 0.01% -4,176 -100.0% Q1 2014 May 15, 2014
MILLENNIUM MANAGEMENT LLC History Closed out 0 0 0.0% -3,729 -100.0% Q1 2014 May 15, 2014
Nine Chapters Capital Management LLC History Closed out 0 0 0.03% -3,700 -100.0% Q1 2014 May 15, 2014
KBC Group NV History Closed out 0 0 0.0% -2,011 -100.0% Q1 2014 Apr 30, 2014
PineBridge Investments Ltd History Closed out 0 0 0.0% -1,957 -100.0% Q1 2014 May 14, 2014
BARCLAYS PLC History Closed out 0 0 0.0% -1,803 -100.0% Q1 2014 May 15, 2014
PICTON MAHONEY ASSET MANAGEMENT History Closed out 0 0 0.01% -1,800 -100.0% Q1 2014 May 05, 2014
Index Management Solutions, LLC History Closed out 0 0 0.01% -1,326 -100.0% Q1 2014 May 15, 2014
WELLS FARGO & COMPANY/MN History Closed out 0 0 0.0% -1,298 -100.0% Q1 2014 May 15, 2014
VTL Associates, LLC History Closed out 0 0 0.01% -1,197 -100.0% Q1 2014 May 15, 2014
Parallax Volatility Advisers, LLC History Closed out 0 0 0.0% -937 -100.0% Q1 2014 May 15, 2014
CITADEL ADVISORS LLC History Closed out 0 0 0.05% -554 -100.0% Q1 2014 Aug 08, 2014
BANK OF MONTREAL /CAN/ History Closed out 0 0 0.0% -521 -100.0% Q1 2014 May 15, 2014
LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA History Closed out 0 0 0.0% -510 -100.0% Q1 2014 Apr 28, 2014
MANAGED ACCOUNT ADVISORS LLC History Closed out 0 0 0.0% -410 -100.0% Q1 2014 May 15, 2014
SPRINGBOK CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.0% -340 -100.0% Q1 2014 May 15, 2014
US BANCORP \DE\ History Closed out 0 0 0.0% -323 -100.0% Q1 2014 May 14, 2014
Johnson Financial Group, Inc. History Closed out 0 0 0.01% -300 -100.0% Q1 2014 May 14, 2014
Creative Planning History Closed out 0 0 0.0% -262 -100.0% Q1 2014 Apr 11, 2014
LADENBURG THALMANN FINANCIAL SERVICES INC History Closed out 0 0 0.0% -154 -100.0% Q1 2014 May 15, 2014
Tower Research Capital LLC History Closed out 0 0 0.0% -149 -100.0% Q1 2014 May 02, 2014
Gemmer Asset Management LLC History Closed out 0 0 0.0% -29 -100.0% Q1 2014 May 23, 2014
BNP PARIBAS ARBITRAGE, SA History Closed out 0 0 0.0% -28 -100.0% Q1 2014 May 13, 2014