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Institutional Investment Manager
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) (CIK: 0001132716) incorporated in Delaware, located at One North Wacker Drive 31st Floor, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Portfolio Summary: 731 holdings with a total value of $5,836,111,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 HOSPIRA INC. 2,080,833 182,780,000 3.13%
2 Family Dollar Stores Inc 2,229,530 176,668,000 3.03%
3 TRW AUTOMOTIVE HLDGS CORP 1,509,662 158,288,000 2.71%
4 SALIX PHARMACEUTICALS INC 786,238 135,870,000 2.33%
5 Nielsen Holdings B.V. 3,018,645 134,541,000 2.31%
6 DirectTV Com 1,322,012 112,503,000 1.93%
7 SIGMA ALDRICH 744,093 102,871,000 1.76%
8 PHARMACYCLICS INC 397,200 101,663,000 1.74%
9 SCHWAB CHARLES CORP 3,154,840 96,033,000 1.65%
10 MICRON TECHNOLOGY INC 32,500,000 91,955,000 1.58% PRN
11 CITY NATL CORP 938,766 83,625,000 1.43%
12 EBAY INC 1,448,531 83,551,000 1.43%
13 ALLIANCE DATA SYSTEM 239,302 70,893,000 1.21%
14 AMERICAN AIRLS GROUP INC 1,323,151 69,836,000 1.20%
15 MICRON TECHNOLOGY INC 2,310,958 62,696,000 1.07%
16 TIME WARNER INC NEW 401,268 60,142,000 1.03%
17 DRESSER-RAND GROUP INC 691,695 55,578,000 0.95%
18 Intl Game Technology 3,185,408 55,458,000 0.95%
19 EXELIS INC 2,263,544 55,163,000 0.95%
20 Polypore International 917,713 54,053,000 0.93%
21 GENERAL ELECTRIC CO 2,172,909 53,910,000 0.92%
22 HERBALIFE LTD 1,230,942 52,635,000 0.90%
23 VistaPrint NV 620,149 52,328,000 0.90%
24 HUDSON CITY BANCORP INC 4,463,300 46,775,000 0.80%
25 COCA COLA CO 1,146,765 46,501,000 0.80%
26 CHESAPEAKE ENERGY CORP 47,700,000 45,794,000 0.78% PRN
27 Coca Cola Enterprises 913,236 40,365,000 0.69%
28 MONSANTO CO NEW 349,268 39,307,000 0.67%
29 OFFICE DEPOT INC 4,265,118 39,239,000 0.67%
30 LORILLARD 599,650 39,187,000 0.67%
31 NAVISTAR INTL CORP NEW 1,288,180 38,001,000 0.65%
32 WESCO INTL INC 15,000,000 37,075,000 0.64%
33 TESLA MTRS INC 22,500,000 36,130,000 0.62% PRN
34 HUMANA 198,971 35,421,000 0.61%
35 UNITED TECHNOLOGIES CORP 281,278 32,966,000 0.56%
36 PINNACLE FOODS INC DEL 804,975 32,851,000 0.56%
37 CHESAPEAKE ENERGY CORP 32,271,000 32,271,000 0.55% PRN
38 RTI INTL METALS INC 27,000,000 30,984,000 0.53% PRN
39 CONAGRA BRANDS 846,427 30,920,000 0.53%
40 UBIQUITI NETWORKS 1,040,442 30,745,000 0.53%
41 MONDELEZ INTL INC 834,542 30,119,000 0.52%
42 REPUBLIC SVCS INC 731,694 29,678,000 0.51%
43 JOHNSON CTLS INTL PLC 585,101 29,512,000 0.51%
44 TOWERS WATSON & CO 222,140 29,364,000 0.50%
45 STEEL DYNAMICS INC 1,457,281 29,291,000 0.50%
46 RIVERBED TECHNOLOGY INC 1,395,757 29,185,000 0.50%
47 Pinnacle Entertainment 802,821 28,974,000 0.50%
48 DUKE ENERGY CORP NEW 366,574 28,146,000 0.48%
49 KIMBERLY CLARK CORP 261,715 28,032,000 0.48%
50 UNITED TECHNOLOGIES CORP 645,600 27,800,000 0.48%
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Portfolio data is normalized using SEC Form 13F filings, including the Restatement filing (0001132716-16-000044, filed 2016.10.06), New Holdings filing (0001132716-16-000033, filed 2016.05.13), New Holdings filing (0001132716-16-000027, filed 2016.02.10), New Holdings filing (0001132716-15-000021, filed 2015.11.13). and New Holdings filing (0001132716-15-000016, filed 2015.08.13).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.