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[ ]
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Rule 13d-1(b)
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[X]
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Rule 13d-1(c)
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[ ]
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Rule 13d-1(d)
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CUSIP No. 55608B105
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SCHEDULE 13G
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Page 2 of 6 Pages
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1.
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Names of Reporting Persons
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2.
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Check the Appropriate Box If a Member of a Group (See Instructions)
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a.
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[ ]
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b.
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[X]
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3.
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SEC Use Only
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4.
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Citizenship or Place of Organization
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5.
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Sole Voting Power
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|
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Number of
Shares
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3,577,700
|
|
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Beneficially
Owned By
Each
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6.
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Shared Voting Power
0
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Reporting
Person
With
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7.
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Sole Dispositive Power
3,577,700
|
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8.
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Shared Dispositive Power
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0
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9.
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Aggregate Amount Beneficially Owned by Each Reporting Person
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10.
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Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
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11.
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Percent of Class Represented By Amount in Row (9)
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12.
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Type of Reporting Person (See Instructions)
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*
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Percentage is based on 44,715,488 limited liability company interests outstanding at November 2, 2010 as set forth in Issuer’s Quarterly Report Filed November 3, 2010.
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CUSIP No. 55608B105
|
SCHEDULE 13G
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Page 3 of 6 Pages
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Item 1(a).
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Name of Issuer:
|
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Macquarie Infrastructure Company LLC (the "Issuer")
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Item 1(b).
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Address of the Issuer's Principal Executive Offices:
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125 West 55th Street
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New York, NY 10019
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Item 2(a).
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Name of Person Filing
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Senator Investment Group LP
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Item 2(b).
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Address of Principal Business Office or, if None, Residence:
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The principal office of Senator Investment Group LP is:
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1330 Avenue of the Americas
26th Floor
New York, NY 10019
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Item 2(c).
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Citizenship:
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Senator Investment Group LP is a Delaware limited partnership.
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Item 2(d).
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Title of Class of Securities:
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Limited Liability Company Interests, No Par Value
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Item 2(e).
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CUSIP Number:
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55608B105
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Item 3.
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If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:
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Not applicable.
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CUSIP No. 55608B105
|
SCHEDULE 13G
|
Page 4 of 6 Pages
|
|
Item 4.
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Ownership:
|
||
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(a)
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Amount of beneficially owned: 3,577,700
|
||
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(b)
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Percent of class: 8.0%*
|
||
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(c)
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Number of shares as to which such person has:
|
||
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(i)
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Sole power to vote or to direct the vote:
|
||
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3,577,700
|
|||
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(ii)
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Shared power to vote or to direct the vote:
|
||
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0
|
|||
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(iii)
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Sole power to dispose or to direct the disposition of:
|
||
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3,577,700
|
|||
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(iv)
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Shared power to dispose or to direct the disposition of:
|
||
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0
|
|||
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Senator Investment Group LP, a Delaware limited partnership, serves as investment manager to two Delaware limited partnerships four Cayman Islands limited partnerships, and a Cayman Islands company (collectively, the "Funds"), and as such, has investment discretion with respect to the Funds.
|
|||
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*
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Percentage is based on 44,715,488 limited liability company interests outstanding at November 2, 2010 as set forth in Issuer’s Quarterly Report Filed November 3, 2010.
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|
CUSIP No. 55608B105
|
SCHEDULE 13G
|
Page 5 of 6 Pages
|
|
Item 5.
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Ownership of Five Percent or Less of a Class:
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Not applicable.
|
|
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Item 6.
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Ownership of More than Five Percent on Behalf of Another Person:
|
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The partners and shareholders of the Funds have the right to participate in the receipt of dividends from, or proceeds from the sale of, the securities reported herein held by the Funds in accordance with their respective ownership interests in the Funds.
|
|
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Senator Investment Group LP disclaims beneficial ownership of the securities included in this report and this report shall not be deemed an admission that Senator Investment Group LP is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
|
|
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Item 7.
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Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:
|
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Not applicable.
|
|
|
Item 8.
|
Identification and Classification of Members of the Group:
|
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Not applicable.
|
|
|
Item 9.
|
Notice of Dissolution of Group:
|
|
Not applicable.
|
|
|
Item 10.
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Certification:
|
|
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect.
|
|
CUSIP No. 55608B105
|
SCHEDULE 13G
|
Page 6 of 6 Pages
|
|
Date as of February 11, 2011
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SENATOR INVESTMENT GROUP LP | ||
|
|
|||
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By:
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Edward Larmann | ||
| Chief Operating Officer | |||
| By: | /s/ Edward Larmann | ||