Schedule 13G

0001193125-15-041419.txt : 20150210 0001193125-15-041419.hdr.sgml : 20150210 20150210152133 ACCESSION NUMBER: 0001193125-15-041419 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20150210 DATE AS OF CHANGE: 20150210 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Westport Energy Holdings Inc. CENTRAL INDEX KEY: 0001102414 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL ORGANIC CHEMICALS [2860] IRS NUMBER: 223328734 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-80050 FILM NUMBER: 15593442 BUSINESS ADDRESS: STREET 1: 100 OVERLOOK CENTER STREET 2: 2D FLOOR CITY: PRINCETON STATE: NJ ZIP: 08540 BUSINESS PHONE: 609-498-7029 MAIL ADDRESS: STREET 1: 100 OVERLOOK CENTER STREET 2: 2D FLOOR CITY: PRINCETON STATE: NJ ZIP: 08540 FORMER COMPANY: FORMER CONFORMED NAME: CARBONICS CAPITAL CORP DATE OF NAME CHANGE: 20080213 FORMER COMPANY: FORMER CONFORMED NAME: GREENSHIFT CORP DATE OF NAME CHANGE: 20050517 FORMER COMPANY: FORMER CONFORMED NAME: GREENWORKS CORP DATE OF NAME CHANGE: 20041228 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: KCG AMERICAS LLC CENTRAL INDEX KEY: 0001457716 IRS NUMBER: 264219373 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 545 WASHINGTON BLVD. CITY: JERSEY CITY STATE: NJ ZIP: 07310 BUSINESS PHONE: 201-356-1390 MAIL ADDRESS: STREET 1: 545 WASHINGTON BLVD. CITY: JERSEY CITY STATE: NJ ZIP: 07310 FORMER COMPANY: FORMER CONFORMED NAME: KNIGHT CAPITAL AMERICAS LLC DATE OF NAME CHANGE: 20120822 FORMER COMPANY: FORMER CONFORMED NAME: KNIGHT EXECUTION & CLEARING SERVICES LLC DATE OF NAME CHANGE: 20120711 FORMER COMPANY: FORMER CONFORMED NAME: KNIGHT CAPITAL AMERICAS LLC DATE OF NAME CHANGE: 20120710 SC 13G 1 d869941dsc13g.htm SCHEDULE 13G Schedule 13G

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Initial Filing)

Under the Securities Exchange Act of 1934

Westport Energy Holdings Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

961313103

(CUSIP Number)

December 31, 2014

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x Rule 13d-1(b)

¨ 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 the disclosures provided in a prior cover page.

The information required in 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 (“Act”) 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).

SCHEDULE 13G


CUSIP No. 961313103


1.	Name of reporting person I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (entities only) KCG Americas LLC 22-3660471
2.	Check the appropriate box if a member of a group* (a) ¨ (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 39,577
		6.	Shared voting power Not applicable
		7.	Sole dispositive power 39,577
		8.	Shared dispositive power Not applicable
9.	Aggregate amount beneficially owned by each reporting person 39,577
10.	Check box if the aggregate amount in Row (9) excludes certain shares* ¨
11.	Percent of class represented by amount in Row 9 6.87 % based on outstanding shares reported in the issuer’s 10-Q filed with the SEC for the period ended September 30, 2012.
12.	Type of reporting person* BD

ITEM 1 (a).

Name of Issuer

Westport Energy Holdings Inc.

ITEM 1 (b).

Address of Issuer’s Principal Executive Offices

100 Overlook Center

2^nd Floor

Princeton, NJ 08540

ITEM 2 (a).

Names of Persons Filing

KCG Americas LLC

ITEM 2 (b).

Address of principal business office

545 Washington Blvd.,

Jersey City, NJ 07310

ITEM 2 (c).

Citizenship

Delaware

ITEM 2 (d).

Title of Class of Securities

Common Stock

ITEM 2 (e).

CUSIP Number

961313103

ITEM 3.

If this statement is filed pursuant to Rules 13d-1(b), or 13(d)-2(b), check whether the person filing it is a:

(a)

x Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

ITEM 4.

Ownership

(a)

Amount beneficially owned

39,577

(b)

Percent of class

6.87 %

(c)

Number of shares as to which such person has:

(i)

sole power to vote or to direct the vote

39,577

(ii)

shared power to vote or to direct the vote

Not applicable

(iii)

sole power to dispose or to direct the disposition of

39,577

(iv)

shared power to dispose or to direct the disposition of

Not applicable

ITEM 5.

Ownership of Five Percent or Less of a Class

Not applicable

ITEM 6.

Ownership of More than Five Percent on Behalf of Another Person

Not applicable

ITEM 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company

Not applicable.

ITEM 8.

Identification and Classification of Members of the Group

Not applicable.

ITEM 9.

Notice of Dissolution of Group

Not applicable.

ITEM 10.

Certification

By signing below I certify that, to the best of my 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.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 10, 2015


KCG Americas LLC

By:		/s/ Matthew Levine
		Matthew Levine
		Director of Compliance