Mentor Graphics Corp (MENT): Carl Icahn Continues to Unload Shares

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Page 2 of 16 SEC Filing

SCHEDULE 13D
CUSIP No. 587200106
1.            NAME OF REPORTING PERSON
High River Limited Partnership
2            CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) / /
(b) / /
3            SEC USE ONLY
4            SOURCE OF FUNDS
WC
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)/ /
6            CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
7            SOLE VOTING POWER
 1,097,805
8            SHARED VOTING POWER
0
9            SOLE DISPOSITIVE POWER
 1,097,805
10            SHARED DISPOSITIVE POWER
0
11            AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 1,097,805
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES/ /
13            PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0.93%
14            TYPE OF REPORTING PERSON
PN

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