ALYESKA INVESTMENT GROUP, L.P. Information

77 WEST WACKER DRIVE, CHICAGO, Illinois, 60601, (312) 899-7902

Report Date: 03/31/2013

Position Statistics:

Total Positions 285
New Positions 126
Increased Positions 139
Decreased Positions 146
Positions with Activity 285
Sold Out Positions 83
Total Mkt Value
(in $ millions)
1,648

Sector Weighting

Basic Materials 4.92%
Capital Goods 9.67%
Conglomerates 1.4%
Consumer Cyclical 8.4%
Consumer/Non-Cyclical 2.43%
Energy 7.29%
Financial 20.8%
Healthcare 10.56%
Services 15.48%
Technology 14.94%
Transportation 3.51%
Utilities 0.61%

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

285 Activity Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
ENANTA PHARMACEUTICALS INC COM 1,043 1,043 New 50,363
KOHLS CORP COM 1,024 -4,352 (80.95) 20,000
FIVE BELOW INC COM 975 975 New 24,703
ALLEGHENY TECHNOLOGIES INC COM 906 906 New 29,724
NXP SEMICONDUCTORS N V COM 905 -8,925 (90.79) 30,009
MGIC INVT CORP WIS COM 885 885 New 143,640
MEDLEY CAP CORP COM 845 -13,551 (94.13) 54,019
TETRAPHASE PHARMACEUTICALS INC COM 800 800 New 100,000
MA COM TECHNOLOGY SOLUTIONS COM 792 792 New 57,321
VOCERA COMMUNICATIONS INC COM 751 -1,986 (72.56) 50,100
ARBOR RLTY TR INC COM 722 722 New 100,000
ZAIS FINL CORP COM 701 701 New 35,178
ZELTIQ AESTHETICS INC COM 635 -383 (37.59) 127,851
CYTOKINETICS INC COM 596 -226 (27.47) 513,858
GEVO INC COM 584 -619 (51.45) 317,287
MERRIMACK PHARMACEUTICALS INC COM 574 -218 (27.47) 108,791
SPDR SERIES TRUST S&P OILGAS EXP 470 470 New 7,500
SILVER SPRING NETWORKS INC COM 431 431 New 25,300
ANTHERA PHARMACEUTICALS INC COM 328 328 New 565,277
LIPOSCIENCE INC COM 243 243 New 41,250

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