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CALAMOS ADVISORS LLC Information

2020 CALAMOS COURT, NAPERVILLE, Illinois, 60563, (630) 245-1046

Report Date: 03/31/2013

Position Statistics:

Total Positions 474
New Positions 111
Increased Positions 177
Decreased Positions 197
Positions with Activity 374
Sold Out Positions 64
Total Mkt Value
(in $ millions)		 14,164

Sector Weighting

Basic Materials 2.84%
Capital Goods 6.68%
Conglomerates
Consumer Cyclical 3.63%
Consumer/Non-Cyclical 7.14%
Energy 7.86%
Financial 14.52%
Healthcare 11.67%
Services 15.95%
Technology 27.49%
Transportation 1.82%
Utilities 0.4%

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

64 Sold Out Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
3-D SYS CORP DEL COM NEW -266 Sold Out 0
ACHILLION PHARMACEUTICALS INC COM -409 Sold Out 0
ALEXION PHARMACEUTICALS INC COM -72,308 Sold Out 0
ALLIED NEVADA GOLD CORP COM -69 Sold Out 0
AMERISOURCEBERGEN CORP COM -1,355 Sold Out 0
ANGLOGOLD ASHANTI HLDGS FIN PL MAND BD CV 13 -19,659 Sold Out 0
ASCENA RETAIL GROUP INC COM -352 Sold Out 0
AUTONAVI HLDGS LTD SPONSORED ADR -152 Sold Out 0
AUTOZONE INC COM -1,540 Sold Out 0
B & G FOODS INC NEW COM -381 Sold Out 0
BIO-REFERENCE LABS INC COM $.01 NEW -430 Sold Out 0
CABELAS INC COM -557 Sold Out 0
CAI INTERNATIONAL INC COM -1,829 Sold Out 0
CATAMARAN CORP COM -372 Sold Out 0
CHART INDS INC COM PAR $0.01 -498 Sold Out 0
CHIPOTLE MEXICAN GRILL INC COM -291 Sold Out 0
CME GROUP INC COM -898 Sold Out 0
CVR ENERGY INC COM -445 Sold Out 0
DELUXE CORP COM -503 Sold Out 0
DIGITALGLOBE INC COM NEW -485 Sold Out 0