UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
Arch Capital Group Ltd.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
G0450A105
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(CUSIP Number)
December 31, 2012
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(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 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).
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SCHEDULE 13G
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CUSIP NO. G0450A105 Page 2 of 6
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1. NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
BART PARTNERS, LLC
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
(a) [ ]
(b) [ ]
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3. SEC USE ONLY
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4. CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5. SOLE VOTING POWER
6,285,855
NUMBER OF ---------------------------------------------------------
SHARES 6. SHARED VOTING POWER
BENEFICIALLY
OWNED BY 0
EACH ---------------------------------------------------------
REPORTING 7. SOLE DISPOSITIVE POWER
PERSON WITH:
6,285,855
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8. SHARED DISPOSITIVE POWER
0
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,285,855
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10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES (See Instructions) [ ]
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11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.6%
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12. TYPE OF REPORTING PERSON (See Instructions)
OO
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SCHEDULE 13G
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CUSIP NO. G0450A105 Page 3 of 6
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Item 1. Issuer
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(a) Name of Issuer:
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Arch Capital Group Ltd.
(b) Address of Issuer's Principal Executive Offices:
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Wessex House
45 Reid Street
Hamilton HM 12
Bermuda
Item 2. Identity And Background
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(a) Name of Person Filing:
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BART Partners, LLC
(b) Address of Principal Business Office or, if none, Residence:
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199 Fremont Street
Suite 2500
San Francisco, CA 94105-2261
(c) Citizenship:
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State of Delaware
(d) Title of Class of Securities:
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Common Stock
(e) CUSIP Number:
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G0450A105
SCHEDULE 13G
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CUSIP NO. G0450A105 Page 4 of 6
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Item 3. If this statement is filed pursuant to 240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:
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(a) [ ] Broker or dealer registered under section 15 of the
Act (15 U.S.C. 78o);
(b) [ ] Bank as defined in section 3(a)(6) of the Act
(15 U.S.C. 78c);
(c) [ ] Insurance company as defined in section 3(a)(19) of
the Act (15 U.S.C. 78c);
(d) [ ] Investment company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C 80a-8);
(e) [ ] An investment adviser in accordance with
240.13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance
with 240.13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person in accordance
with 240.13d-1(b)(1)(ii)(G);
(h) [ ] A savings associations as defined in Section 3(b) of
the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) [ ] A church plan that is excluded from the definition
of an investment company under section 3(c)(14) of
the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j) [ ] A non-U.S. institution in accordance with
240.13d-1(b)(1)(ii)(J);
(k) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(K).
[X] If this statement is filed in pursuant to a 240.13d-1(c),
check this box
SCHEDULE 13G
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CUSIP NO. G0450A105 Page 5 of 6
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Item 4. Ownership
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(a) Amount beneficially owned: 6,285,855
(b) Percent of class: 4.6%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote: 6,285,855
(ii) Shared power to vote or to direct the vote: 0
(iii) Sole power to dispose or to direct the disposition of: 6,285,855
(iv) Shared power to dispose or to direct the disposition of: 0
Item 5. Ownership Of Five Percent Or Less Of a Class
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If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
5.0% of the class of securities, check the following [X].
Item 6. Ownership Of More Than Five Percent On Behalf Of Another Person
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Not Applicable.
Item 7. Identification And Classification Of The Subsidiary Which Acquired The
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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
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Not Applicable.
SCHEDULE 13G
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CUSIP NO. G0450A105 Page 6 of 6
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Item 10. Certification
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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 that purpose or effect.
SIGNATURES
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After reasonable inquiry and to the best of our knowledge and belief,
the undersigned certify that the information set forth in this statement is
true, complete and correct.
Dated: February 14, 2013
BART Partners, LLC
/s/ Siu Chiang for Bob Peck
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Name: Bob Peck
Title: Senior Managing Member, BART Partners, LLC
Exhibit 99.1 Confirming Statement for Bob Peck, dated November 13, 2012,
(furnished herewith).