SC 13G/A 1 interactivebrok13ga-021417.htm FEBRUARY 14, 2017
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C.  20549
SCHEDULE 13G
(RULE 13D - 102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b)
(Amendment No. 4)*
Interactive Brokers Group, Inc.
(Name of Issuer)
Class A Common Stock, par value $0.01 per share
(Title of Class of Securities)
45841N107
(CUSIP Number)
January 20, 2017
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
[ ] Rule 13d-1(b)
[x] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


1.
NAMES OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
   
 
Kylin Offshore Master Fund Ltd.
   
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
   
 
(a)    [x]
 
(b)    [ ]
   
3.
SEC USE ONLY
   
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
   
 
Cayman Islands
   
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
   
5.
SOLE VOTING POWER
   
 
0
   
6.
SHARED VOTING POWER
   
 
0
   
7.
SOLE DISPOSITIVE POWER
   
 
0
   
8.
SHARED DISPOSITIVE POWER
   
 
0
   
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
 
0
   
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
 EXCLUDES CERTAIN SHARES    [ ]
   
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
 
0%
   
12.
TYPE OF REPORTING PERSON
   
 
OO


1.
NAMES OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
   
 
Kylin Offshore Long Master Fund Ltd.
   
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
   
 
(a)    [x]
 
(b)    [ ]
   
3.
SEC USE ONLY
   
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
   
 
Cayman Islands
   
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
   
5.
SOLE VOTING POWER
   
 
0
   
6.
SHARED VOTING POWER
   
 
0
   
7.
SOLE DISPOSITIVE POWER
   
 
0
   
8.
SHARED DISPOSITIVE POWER
   
 
0
   
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
 
0
   
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
 EXCLUDES CERTAIN SHARES    [ ]
   
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
 
0%
   
12.
TYPE OF REPORTING PERSON
   
 
OO


1.
NAMES OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
   
 
Kylin Management LLC
   
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
   
 
(a)    [x]
 
(b)    [ ]
   
3.
SEC USE ONLY
   
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
   
 
Delaware
   
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
   
5.
SOLE VOTING POWER
   
 
0
   
6.
SHARED VOTING POWER
   
 
0
   
7.
SOLE DISPOSITIVE POWER
   
 
0
   
8.
SHARED DISPOSITIVE POWER
   
 
0
   
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
 
0
   
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
 EXCLUDES CERTAIN SHARES    [ ]
   
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
 
0%
   
12.
TYPE OF REPORTING PERSON
   
 
IA




1.
NAMES OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
   
 
Ted Kang
   
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
   
 
(a)    [x]
 
(b)    [ ]
   
3.
SEC USE ONLY
   
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
   
 
United States
   
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:
   
5.
SOLE VOTING POWER
   
 
0
   
6.
SHARED VOTING POWER
   
 
0
   
7.
SOLE DISPOSITIVE POWER
   
 
0
   
8.
SHARED DISPOSITIVE POWER
   
 
0
   
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
 
0
   
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
 EXCLUDES CERTAIN SHARES    [ ]
   
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
 
0%
   
12.
TYPE OF REPORTING PERSON
   
 
IN, HC


This statement amends and supplements the Schedule 13G filed by the Reporting Persons (as defined below) on February 16, 2016.  Except as set forth herein, the Schedule 13G is unmodified. This statement reflects the beneficial ownership of the Reporting Persons as of January 20, 2017.
Item 1(a).
Name of Issuer:
Interactive Brokers Group, Inc. (the "Issuer")
Item 1(b).
Address of Issuer's Principal Executive Offices:
One Pickwick Plaza
 Greenwich, Connecticut 06830
Item 2(a).
Name of Persons Filing:
The names of the persons filing this statement on Schedule 13G are (collectively, the "Reporting Persons"):
-
Kylin Offshore Master Fund Ltd. ("Offshore Fund")

-
Kylin Offshore Long Master Fund Ltd. ("Offshore Long Fund")

-
Kylin Management LLC ("Kylin Management")

-
Mr. Ted Kang ("Mr. Kang")

Kylin Management, which is controlled by Mr. Kang,  is the investment manager of the Offshore Fund, the Offshore Long Fund and other accounts it separately manages (the "Separately Managed Accounts"). Kylin Management and Mr. Kang may each be deemed to have voting and dispositive power with respect to the Ordinary Shares (as defined below) held by the Offshore Fund, the Offshore Long Fund and the Separately Managed Accounts.
Item 2(b).
Address of Principal Business Office or, if None, Residence:
The business address of each of Kylin Management  and Mr. Kang is 475 Fifth Ave, 11th Floor, New York, NY 10017.
The business address of the Offshore Fund and the Offshore Long Fund is c/o Citco (Canada) Inc. 2 Bloor Street, Suite 2700, Toronto, Ontario M4W 1A8, Canada.
Item 2(c).
Citizenship:
Mr. Kang is a citizen of the United States.
Kylin Management is a limited liability company formed under the laws of the State of Delaware.
The Offshore Fund and the Offshore Long Fund are each a company formed under the laws of the Cayman Islands.
Item 2(d).
Title of Class of Securities:
Class A Common Stock, $0.01 par value per share (the "Common Shares")

Item 2(e).
CUSIP Number:
45841N107
Item 4.
Ownership.
As of the date hereof, the Reporting Persons no longer beneficially own any shares of Common Stock.
Item 5.
Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following [X].

Item 10.
Certification.
By signing below the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above 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 that purpose or effect.

 
SIGNATURES
After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct.
Dated:  February 14, 2017
KYLIN OFFSHORE MASTER FUND LTD.
By: Kylin Management LLC, as Investment Manager

By:  /s/ Jake H. Park
              Jake H. Park, Chief Compliance Officer
KYLIN OFFSHORE LONG MASTER FUND LTD.
By: Kylin Management LLC, as Investment Manager

By:  /s/ Jake H. Park
              Jake H. Park, Chief Compliance Officer
KYLIN MANAGEMENT LLC

By:  /s/ Jake H. Park
              Jake H. Park, Chief Compliance Officer
                              
                                /s/ Ted Kang
                                     Ted Kang