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Institutional Investment Manager
Twin Securities, Inc.
Twin Securities, Inc. (CIK: 0001351351) incorporated in Delaware, located at 250 West 55th Street, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2017Q1)
Portfolio Summary: 24 holdings with a total value of $579,997,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 YAHOO INC 3,069,589 142,460,000 24.56%
2 NXP SEMICONDUCTORS N V 842,075 87,155,000 15.03%
3 REYNOLDS AMERICAN INC 1,114,088 70,210,000 12.11%
4 MOBILEYE N V AMSTELVEEN 849,417 52,154,000 8.99%
5 ALERE INC 1,145,311 45,503,000 7.85%
6 ALIBABA GROUP HLDG LTD 250,000 26,958,000 4.65% Put
7 SYNGENTA AG 291,292 25,779,000 4.44%
8 MONSANTO CO NEW 214,076 24,233,000 4.18%
9 AKORN INCORPORATED 709,663 17,089,000 2.95%
10 ALERE INC 398,600 15,836,000 2.73% Call
11 BROCADE COMMUNICATIONS SYS I 1,247,948 15,574,000 2.69%
12 MOBILEYE N V AMSTELVEEN 243,800 14,969,000 2.58% Call
13 MEAD JOHNSON NUTRITI 102,500 9,131,000 1.57%
14 VALSPAR CORP 75,580 8,385,000 1.45%
15 RITE AID CORP 1,861,318 7,911,000 1.36%
16 NXP SEMICONDUCTORS N V 56,600 5,858,000 1.01% Call
17 Nomad Hldgs Ltd 197,982 2,267,000 0.39%
18 MONSANTO CO NEW 18,400 2,083,000 0.36% Call
19 MALLINCKRODT PUB LTD CO 43,689 1,947,000 0.34%
20 ALTISOURCE ASSET MGMT CORP 20,700 1,558,000 0.27%
21 AKORN INCORPORATED 50,000 1,204,000 0.21% Call
22 FLEXION THERAPEUTICS INC 30,000 807,000 0.14%
23 SYNERGY PHARMACEUTICALS DEL 100,000 466,000 0.08% Call
24 FLEXION THERAPEUTICS INC 17,100 460,000 0.08% Call

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-17-001211, filed 2017.05.15).

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.