Form: SC 13G

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

February 14, 2019

SC 13G: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

Published on February 14, 2019


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G

Under the Securities Exchange Act of 1934


(Amendment No. )*


Barrett Business Services, Inc.
(Name of Issuer)

Common Stock
(Title of Class of Securities)

068463108
(CUSIP Number)

December 31, 2018
(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).


















CUSIP: 068463108 Page 1 of 4



1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
SMALLCAP World Fund, Inc.


2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
INSTRUCTIONS) (a)

(b)
3 SEC USE ONLY


4 CITIZENSHIP OR PLACE OF ORGANIZATION

Maryland

5 SOLE VOTING POWER

NONE


6 SHARED VOTING POWER
NUMBER OF
SHARES NONE
BENEFICIALL
Y OWNED BY
7 SOLE DISPOSITIVE POWER
EACH
REPORTING NONE
PERSON
WITH:
8 SHARED DISPOSITIVE POWER

NONE

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

530,215 See Additional information in Item 4.
Under certain circumstances, SMALLCAP World Fund may vote the shares
of the fund. These shares may also be reflected in a filing made by
Capital Research Global Investors, Capital International Investors,
and/or Capital World Investors
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)


11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

7.1%

12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IV







CUSIP: 068463108 Page 2 of 4


SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

Schedule 13G
Under the Securities Exchange Act of 1934

Amendment No.

Item 1(a) Name of Issuer:
Barrett Business Services, Inc.

Item 1(b) Address of Issuer's Principal Executive Offices:
8100 NE Parkway Drive, Suite 200
Vancouver, WA 98662

Item 2(a) Name of Person(s) Filing:
SMALLCAP World Fund, Inc.

Item 2(b) Address of Principal Business Office or, if none,
Residence:
6455 Irvine Center Drive
Irvine, California 92618-4518

Item 2(c) Citizenship: N/A

Item 2(d) Title of Class of Securities:
Common Stock

Item 2(e) CUSIP Number:
068463108

Item 3 If this statement is filed pursuant to sections 240.13d-1(b)
or 240.13d-2(b) or (c), check whether the person filing is a:
(d) [X] Investment company registered under section 8
of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

Item 4 Ownership

Provide the following information regarding the aggregate
number and percentage of the class of securities of the issuer
identified in Item 1.


(a) Amount beneficially owned:
(b) Percent of class:
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
(ii) Shared power to vote or to direct the vote:
(iii) Sole power to dispose or to direct the disposition of:
(iv) Shared power to dispose or to direct the disposition of:

See page 2

SMALLCAP World Fund, Inc., an investment company registered
under the Investment Company Act of 1940, which is advised by
Capital Research and Management Company ("CRMC"), is the
beneficial owner of 530,215 shares or 7.1% of the 7,381,099
shares believed to be outstanding. CRMC manages equity assets
for various investment companies through three divisions,
Capital Research Global Investors, Capital World Investors, and
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Capital International Investors. These divisions generally
function separately from each other with respect to investment
research activities and they make investment decisions and
proxy voting decisions for the investment companies on a
separate basis.

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 person has ceased to be the beneficial
owner of more than five percent of the class of securities,
check the following: [ ]

Item 6 Ownership of More than Five Percent on Behalf of Another
Person: N/A

Item 7 Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent Holding
Company or Control Person: N/A

Item 8 Identification and Classification of Members of the Group:
N/A

Item 9 Notice of Dissolution of Group: N/A

Item 10 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 that purpose
or effect.

Signature

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 8, 2019

Signature: /s/ Michael W. Stockton
Name/Title: Michael W. Stockton - Secretary
SMALLCAP World Fund, Inc.














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