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Institutional Investment Manager
Silphium Asset Management Ltd
Silphium Asset Management Ltd (CIK: 0001758440), located at 110 Park Street, London, X0. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q2)
Portfolio Summary: 42 holdings with a total value of $567,804,390.
#
Name
Shares
Value ($)
%
Options
Notes
1 ISHARES TR 50,000 198,100,000 34.89% Call
2 ISHARES TR 2,000,000 92,200,000 16.24% Call
3 ISHARES TR 200,000 73,794,000 13.00% Put
4 Family Dollar Stores Inc 276,021 21,753,215 3.83%
5 PALL CORP 152,173 18,937,930 3.34%
6 21VIANET GROUP INC 922,584 18,931,424 3.33%
7 OMNIVISION TECHS INC 677,338 17,742,869 3.12%
8 Perfect World Co- Spn ADR 641,802 12,720,516 2.24%
9 Wuxi Pharmatech Inc ADR 266,229 11,250,838 1.98%
10 QIHOO 360 TECHNOLOGY CO LTD 165,000 11,168,850 1.97% Call
11 DRESSER-RAND GROUP INC 130,774 11,139,329 1.96%
12 QIHOO 360 TECHNOLOGY CO LTD 144,386 9,773,488 1.72%
13 INTEGRATED SILICON SOLUTION 436,833 9,671,483 1.70%
14 DRESSER-RAND GROUP INC 95,700 8,151,726 1.44% Put
15 ROYAL DUTCH SHELL PLC 106,500 6,107,775 1.08% Put
16 CHINA MOBILE GAMES & ENTMT G 287,727 6,082,549 1.07%
17 21VIANET GROUP INC 280,000 5,745,600 1.01% Call
18 DirectTV Com 60,353 5,600,155 0.99%
19 E-HOUSE CHINA HOLDINGS 645,110 4,335,139 0.76%
20 AT&T INC 115,000 4,084,800 0.72% Put
21 Former Charter Communication (Del 5/18/2016) 19,200 3,288,000 0.58% Put
22 RTI INTERNATIONAL 100,000 3,152,000 0.56%
23 BONA FILM GROUP LTD 204,386 2,493,509 0.44%
24 CYPRESS SEMICONDUCTRCORP 200,000 2,352,000 0.41% Put
25 INTERNATIONAL GAME TECHNOLOG 113,700 2,019,312 0.36% Call
26 VIMICRO INTL CORP 144,426 1,619,015 0.29%
27 INTREXON CORP 25,000 1,220,000 0.21%
28 INTEGRATED SILICON SOLUTION 34,600 766,044 0.13% Call
29 INTERNATIONAL GAME TECHNOLOG 37,999 674,862 0.12%
30 JA SOLAR HOLDINGS COMPANY LIMITED SPON ADR REP5ORD 64,000 547,200 0.10%
31 JOURNAL MEDIA GROUP INC 38,813 321,760 0.06%
32 EQUITY COMWLTH COM SH BEN INT 11,500 295,205 0.05%
33 QUALITY DISTR INC FLA 17,213 266,113 0.05%
34 KB HOME 15,000 249,000 0.04%
35 REMY INTL INC NEW 10,333 228,463 0.04%
36 AMAZON COM INC 500 217,045 0.04%
37 LAUDER ESTEE COS INC 2,500 216,650 0.04%
38 KEYSIGHT TECHNOLOGIES INC COM 6,450 201,176 0.04%
39 INTELSAT S A 15,000 148,800 0.03%
40 FMSA HLDGS INC. 15,000 122,850 0.02%
41 PEABODY ENERGY CORP 30,000 65,700 0.01%
42 ADVANCED MICRO DEVICES INC COM 20,000 48,000 0.01%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000919574-25-000585, filed 2025.01.30).

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.