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Pentwater Capital Management 13F holdings, Q1 2011

Holdings as of March 31, 2011 · filings on SEC EDGAR · latest filing →

Pentwater Capital Management disclosed 71 US equity positions worth $2.2bn in its Q1 2011 13F filing. The largest position was GENZYME CORP at 19.2% of the reported book, followed by BECKMAN COULTER INC and SIX FLAGS ENTMT CORP. Against the Q4 2010 filing, it opened 24 new positions, added to 19 and reduced 7 among the top 50 holdings.

← Q4 2010 · Q2 2011 →

What did Pentwater Capital Management own in Q1 2011? Top 50 positions

#StockSectorWeightValueSharesΔ sharesvs Q4 2010
1 GENZYME CORP 19.2%$429.7m5,641,876 326% added
2 BECKMAN COULTER INC 8.0%$178.6m2,150,000 254% added
3 SIX FLAGS ENTMT CORP 6.3%$141.3m1,962,000 -6% reduced
4 TALECRIS BIOTHERAPEUTICS HLD 6.0%$134.5m5,020,000 617% added
5 MASSEY ENERGY COMPANY 5.6%$126.5m1,850,000 246% added
6 JPM JPMORGAN CHASE & CO Financial Services 4.7%$105.7m2,293,421 56% added
7 ATHEROS COMMUNICATIONS INC 4.4%$98.4m2,203,800 new
8 AIRGAS INC 3.5%$79.0m1,190,000 -71% reduced
9 BUCYRUS INTL INC 3.4%$76.6m837,735 -22% reduced
10 NYSE EURONEXT 3.3%$73.9m2,100,000 new
11 QWEST COMMUNICATIONS INTL IN 2.7%$60.1m8,796,800 new
12 LEAP WIRELESS INTL INC 2.6%$58.4m3,777,781 16% added
13 ALCON INC 2.5%$56.4m340,617 -80% reduced
14 AIRTRAN HLDGS INC 2.2%$48.4m6,500,000 -2% reduced
15 ALBERTO CULVER CO 1.8%$41.0m1,100,000 244% added
16 AMERICAN TOWER CORP 1.7%$38.3m740,000 new
17 TENET HEALTHCARE CORP 1.6%$37.0m4,960,000 1140% added
18 HUGHES COMMUNICATIONS INC 1.5%$34.5m578,513 new
19 PRIDE INTL INC DEL 1.5%$34.0m792,000 new
20 GS GOLDMAN SACHS GROUP INC Financial Services 1.4%$30.4m191,602 174% added
21 LORAL SPACE & COMMUNICATNS I 1.2%$27.9m360,000 -22% reduced
22 HARBIN ELECTRIC INC 1.2%$26.0m1,255,200 16% added
23 HYPERCOM CORP 1.0%$23.5m1,953,700 56% added
24 BIGGQ BIG LOTS INC Consumer Defensive 1.0%$22.4m515,000 new
25 VERIGY LTD 0.9%$21.2m1,503,600 -33% reduced
26 FRONTEER GOLD INC 0.9%$19.7m1,300,000 new
27 LIBERTY MEDIA CORP LIB STAR 0.8%$18.0m231,500 21% added
28 CEPHALON INC 0.8%$17.9m235,000 new
29 CNA SURETY CORP 0.8%$17.4m687,500 38% added
30 MARSHALL & ILSLEY CORP 0.6%$12.9m1,617,000 27% added
31 SARA LEE CORP 0.5%$12.0m680,000 580% added
32 GRACE W R & CO 0.5%$11.5m300,000 122% added
33 NII HLDGS INC 0.5%$10.8m260,000 new
34 BAC BANK OF AMERICA CORPORATION Financial Services 0.4%$9.5m709,800 new
35 SRA INTL INC 0.4%$9.2m325,001 new
36 KEMET CORP 0.4%$8.6m580,000 287% added
37 NORTHERN OIL & GAS INC NEV 0.4%$8.2m306,272 new
38 KMI KINDER MORGAN INC Energy 0.3%$7.1m240,000 new
39 GSI COMMERCE INC 0.3%$6.6m225,000 new
40 ATP OIL & GAS CORP 0.3%$6.4m355,825 75% added
41 AMERICAN INTL GROUP INC *W EXP 01/19/202 0.2%$5.1m462,000 new
42 CREXUS INVT CORP 0.2%$5.0m435,000 new
43 INN SUMMIT HOTEL PPTYS INC Real Estate 0.2%$4.5m450,000 new
44 RETAIL VENTURES INC 0.2%$4.3m249,872 new
45 MEDLEY CAP CORP 0.2%$3.9m320,200 new
46 AMERICAN CAPITAL AGENCY CORP 0.2%$3.8m130,000 new
47 MET METLIFE INC Financial Services 0.2%$3.8m80,000 new
48 ITT CORP 0.2%$3.6m60,000 new
49 MCMORAN EXPLORATION CO 0.1%$3.2m180,000 new
50 GAP GAP INC Consumer Cyclical 0.1%$2.3m100,352 25% added

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.