RS INVESTMENT MANAGEMENT CO LLC Information

388 MARKET STREET, SAN FRANCISCO, California, 94111, (415) 591-2700

Report Date: 03/31/2013

Position Statistics:

Total Positions 352
New Positions 68
Increased Positions 196
Decreased Positions 153
Positions with Activity 349
Sold Out Positions 50
Total Mkt Value
(in $ millions)
14,212

Sector Weighting

Basic Materials 14.23%
Capital Goods 5.22%
Conglomerates 0.05%
Consumer Cyclical 2.88%
Consumer/Non-Cyclical 2.98%
Energy 24.67%
Financial 14.52%
Healthcare 6.08%
Services 12.18%
Technology 12.12%
Transportation 1.12%
Utilities 3.95%

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

153 DECREASED Positions as of 03/31/2013

Company Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
CALPINE CORP COM NEW 560,655 -72,834 (11.5) 26,358,960
COMPASS MINERALS INTL INC COM 399,225 -22,172 (5.26) 4,453,146
CONCHO RES INC COM 357,310 -54,803 (13.3) 4,245,605
MARTIN MARIETTA MATLS INC COM 352,378 -23,807 (6.33) 3,143,704
CABOT OIL & GAS CORP COM 246,530 -19,832 (7.45) 3,410,767
RANGE RES CORP COM 232,554 -59,224 (20.3) 3,005,353
F M C CORP COM NEW 190,685 -11,133 (5.52) 3,017,172
YAHOO INC COM 137,872 -314 (0.23) 5,187,050
WASTE CONNECTIONS INC COM 134,164 -69,538 (34.14) 3,352,426
SYMANTEC CORP COM 117,484 -40,067 (25.43) 4,864,761
STANCORP FINL GROUP INC COM 116,771 -7,369 (5.94) 2,629,385
KEYCORP NEW COM 106,229 -31,288 (22.75) 9,790,731
ACTIVISION BLIZZARD INC COM 100,745 -66,159 (39.64) 6,636,677
AVERY DENNISON CORP COM 94,819 -25,641 (21.29) 2,132,679
MOTOROLA SOLUTIONS INC COM NEW 86,461 -33,161 (27.72) 1,484,310
VALUECLICK INC COM 73,234 -16,534 (18.42) 2,778,233
TASEKO MINES LTD COM 68,720 -380 (0.55) 31,378,855
PFIZER INC COM 67,100 -12,478 (15.68) 2,337,990
MAGELLAN HEALTH SVCS INC COM NEW 65,308 -5,802 (8.16) 1,250,639
INTERNATIONAL FLAVORS&FRAGRANC COM 63,440 -4,299 (6.35) 772,438

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