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Fund Holdings of CASTLEROCK ASSET MANAGEMENT INC Filed on 2012-02-14

Link to Original SEC 13F filings sorted on filing date: 2012-02-14 | 2011-11-14 | 2011-08-12 | 2011-05-16 | 2011-02-14 | 2010-11-15 | 2010-08-16 | 2010-05-12 | 2010-02-16 | 2009-11-12 | 2009-08-13 | 2009-05-14 | 2009-02-17 | 2008-11-14 | 2008-08-13 | 2008-05-14 |

1. Fund Information

Fund NameCASTLEROCK ASSET MANAGEMENT INC
Fund Manager
Address101 PARK AVENUE 6TH FLOOR,
NEW YORK, NY, 10178
::Google Map
Phone(212) 878-7654
13F Asset Last Qtr$487,284,000
13F Asset This Qtr$289,722,000
Asset Change-40.54%

2. Comparison of Holdings by Sectors with Last Quarter

3. Top 20 Holdings (Value) of This Quarter

No.SecurityPut/CallStockSharesValue(x$1000)Activity(Shr)% Port.
1.)APPLE INC.AAPL75,610$30,622Added 29.91%10.57%
2.)CBS CORPCBS984,450$26,718Cut -42.36%9.22%
3.)ELAN CORP PLCELN1,209,973$16,625Added 6.51%5.74%
4.)ONYX PHARMACEUTICALS, INC.ONXX356,364$15,662Cut -22.35%5.41%
5.)FINISAR CORPORATIONFNSR880,201$14,739Cut -30.58%5.09%
6.)KEY ENERGY SERVICES, INC. COMMON STOCKKEG933,565$14,442New4.98%
7.)LAS VEGAS SANDS CORPLVS335,481$14,335Cut -47.96%4.95%
8.)PULTEGROUP, INC.PHM1,807,081$11,403New3.94%
9.)SEAGATE TECHNOLOGY.STX694,016$11,382New3.93%
10.)HALLIBURTON COMPANYHAL327,250$11,293Cut -47.48%3.90%
11.)ELECTRONIC ARTS INC.ERTS517,928$10,669Cut -44.47%3.68%
12.)INTERNATIONAL PAPER CO.IP349,085$10,333Cut -48.89%3.57%
13.)EQUINIX, INC.EQIX95,625$9,696Cut -22.15%3.35%
14.)SPIRIT AEROSYSTEMS HOLDINGS INCSPR436,057$9,061Cut -7.68%3.13%
15.)LENNAR CORP.LEN439,522$8,637Cut -41.69%2.98%
16.)PRECISION CASTPARTS CORP.PCP51,184$8,435Cut -22.12%2.91%
17.)ANADARKO PETROLEUM CORPAPC100,154$7,645New2.64%
18.)WEATHERFORD INTERNATIONAL NWFT496,886$7,274Cut -14.42%2.51%
19.)DANA HOLDING CORPDAN564,810$6,862Cut -60.56%2.37%
20.)BROADCOM CORPORATIONBRCM224,337$6,587Cut -55.77%2.27%

4. Top 20 (Value) Holdings BOUGHT NEW in This Quarter

No.SecurityPut/CallStockShares NEWValue(x$1000)% Port.
1.)KEY ENERGY SERVICES, INC. COMMON STOCKKEG933,565$14,4424.98%
2.)PULTEGROUP, INC.PHM1,807,081$11,4033.94%
3.)SEAGATE TECHNOLOGY.STX694,016$11,3823.93%
4.)ANADARKO PETROLEUM CORPAPC100,154$7,6452.64%
5.)AEROPOSTALE INCARO315,439$4,8101.66%
6.)BIOGEN IDEC INCBIIB41,350$4,5511.57%

5. Top 20 (Value) Holdings Totally SOLD OUT in This Quarter

No.SecurityPut/CallStockShares SOLDValue(x$1000)% Port. Last Qtr
1.)YAMANA GOLD, INC.AUY1,467,675$20,0484.11%
2.)NEWMONT MINING CORP. (HOLDING CO.)NEM255,422$16,0783.30%
3.)INCYTE CORPORATIONINCY1,028,385$14,3672.95%
4.)THORATEC CORPORATIONTHOR417,806$13,6372.80%
5.)LEAR CORP.LEA293,648$12,5972.59%
6.)RALPH LAUREN CORPORATIONRL95,373$12,3702.54%
7.)KANSAS CITY SOUTHERNKSU167,492$8,3681.72%
8.)TIFFANY & CO.TIF125,661$7,6431.57%
9.)MEDASSETS, INC.MDAS663,745$6,3791.31%
10.)PROGRESSIVE WASTE SOLUTIONS260,192$5,3551.10%
11.)WYNN RESORTS, LIMITEDWYNN46,518$5,3531.10%
12.)LIFE TECHNOLOGIES CORPORATIONLIFE134,623$5,1741.06%
13.)HUMAN GENOME SCIENCES, INC.HGSI392,777$4,9841.02%
14.)CALIX, INC COMMON STOCKCALX606,230$4,7290.97%
15.)INTERDIGITAL, INC.IDCC80,907$3,7690.77%
16.)CLEVELAND BIOLABS, INC.CBLI375,000$9490.20%