LOOMIS SAYLES & CO L P Information

ONE FINANCIAL CTR, BOSTON, Massachusetts, 02111, (617) 748-1761

Report Date: 03/31/2013

Position Statistics:

Total Positions 737
New Positions 51
Increased Positions 311
Decreased Positions 355
Positions with Activity 666
Sold Out Positions 61
Total Mkt Value
(in $ millions)
24,668

Sector Weighting

Basic Materials 5.89%
Capital Goods 2.68%
Conglomerates 0.06%
Consumer Cyclical 6.4%
Consumer/Non-Cyclical 3.15%
Energy 7.19%
Financial 23.17%
Healthcare 12.64%
Services 14.03%
Technology 20.27%
Transportation 1.71%
Utilities 2.3%

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

737 Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
3M CO COM 766 New 6,936
ABAXIS INC COM 19,219 -716 (3.59) 441,522
ABBVIE INC COM 2,234 2,234 New 47,959
ACADIA HEALTHCARE COMPANY INC COM 15,659 4,534 40.75 478,285
ACCO BRANDS CORP COM 7,542 -31 (0.41) 1,060,694
ACE LIMITED SHS 23,717 1,040 4.58 266,152
ACTUANT CORP CL A NEW 30,853 351 1.15 908,512
ADVISORY BRD CO COM 21,084 386 1.87 420,077
AEGERION PHARMACEUTICALS INC COM 23,485 -5,877 (20.02) 385,249
AES TR III PFD CV 6.75% 74,093 198 .27 1,469,524
AFFILIATED MANAGERS GROUP COM 5,067 -370 (6.8) 31,159
AFLAC INC COM 19 New 345
AGILENT TECHNOLOGIES INC COM -20,452 Sold Out 0
AIRGAS INC COM 17 New 168
ALAMO GROUP INC COM 8,476 -36 (0.42) 199,855
ALBANY INTL CORP CL A 13,303 -3,949 (22.89) 412,490
ALEXANDRIA REAL ESTATE EQ INC COM 24 -28 (54.31) 323
ALEXION PHARMACEUTICALS INC COM -1,822 Sold Out 0
ALKERMES PLC SHS 35,583 903 2.61 1,078,264
ALLEGIANT TRAVEL CO COM 11 11 New 120

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