SC 13G

Washington, D.C. 20549


Under the Securities Exchange Act of 1934
(Amendment No Thirteen)
(Name of Issuer)
(Title of Class of Securities)
(CUSIP Number)
December 31, 2020
(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 No. 15101Q108
(1)Names of reporting persons. I.R.S. Identification
Nos. of above persons (entities only)


(2) Check the appropriate box if a member of a group (see instructions)
(3) SEC use only
(4) Citizenship or place of organization     CANADA

Number of shares beneficially owned by each reporting person with:
(5)Sole voting power   	16,940,828

(6)Shared voting power

(7)Sole dispositive power		16,940,828

(8)Shared dispositive power
(9)Aggregate amount beneficially owned by each reporting person

(10)Check if the aggregate amount in Row (9) excludes
certain shares (see instructions)
(11)Percent of class represented by amount in Row 9

(12)Type of reporting person (see instructions)


Item 1.
Item 1(a) Name of issuer: CELESTICA INC.

Item 1(b) Address of issuer's principal executive offices:
	5140 Yonge Street, Suite 1900
	Toronto, Ontario, Canada
	M2N 6L7
Item 2.
2(a) Name of person filing:
	Letko, Brosseau & Associates Inc.
2(b) Address or principal business office or, if none, residence:
	1800 Mc Gill College Av.
	Suite 2510
	Montreal, QC
	H3A 3J6

2(c) Citizenship:


2(d) Title of class of securities:


2(e) CUSIP No.:

Item 3.

If this statement is filed pursuant to Rules 13d-1(b),
or 13d-2(b) or (c), check whether the person filing is a:
a. [ ] Broker or dealer registered under Section 15 of the Act.
b. [ ] Bank as defined in Section 3(a)(6) of the Act.
c. [ ] Insurance company as defined in Section 3(a)(19) of the Act.
d. [ ] Investment company registered under Section 8
of the Investment Company Act of 1940.
e. [ ] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
f. [ ] An employee benefit plan or endowment fund in accordance
with Rule 13d-1(b)(1)(ii)(F);
g. [ ] A parent holding company or control person in accordance
with Rule 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;
j. [x] A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);
k. [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(K).

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: 16,940,828
b. Percent of class: 15.3%
c. Number of shares as to which such person has:
i. Sole power to vote or to direct the vote:  16,940,828
ii. Shared power to vote or to direct the vote
iii. Sole power to dispose or to direct the disposition of:  16,940,828
iv. Shared power to dispose or to direct the disposition of

Item 5.

Ownership of 5 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 5 percent of the
class of securities, check the following [ ].

Item 6. Ownership of More than 5 Percent on Behalf of Another Person

Clients of Letko, Brosseau & Associates Inc. have the right
to receive or the power to direct
the receipt of dividends from, or the proceeds from sale of,
the subordinate voting shares
reported as beneficially owned by Letko, Brosseau & Associates Inc.
No clients of Letko, Brosseau & Associates Inc.
beneficially owns more than
five percent of Issuer's subordinate voting shares.

Item 7. Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on by the
Parent Holding Company or Control Person.

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 acquired and
are held in the ordinary course
of business, 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.

Dated : January 25, 2021

Signature :	  Isabelle Godin

Name/Title:	Isabelle Godin
       Vice President Operations and Chief Financial Officer