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United States securities and exchange commission logo





                              May 10, 2023

       Quentin Koffey
       Managing Partner and Chief Investment Officer
       Politan Capital Management LP
       106 West 56th Street, 10th Floor
       New York, New York 10019

                                                        Re: Masimo Corporation
                                                            Preliminary Proxy
Statement filed May 2, 2023
                                                            Filed by Politan
Capital Management et al.
                                                            File No. 001-33642

       Dear Quentin Koffey:

              We have reviewed your filing and have the following comments. In
some of our
       comments, we may ask you to provide us with information so we may better
understand your
       disclosure.

               Please respond to these comments by providing the requested
information or advise us as
       soon as possible when you will respond. If you do not believe our
comments apply to your facts
       and circumstances, please tell us why in your response.

              After reviewing your response to these comments, we may have
additional
       comments. All defined terms have the same meaning as the preliminary
proxy statement, unless
       otherwise indicated.

       Preliminary Proxy Statement filed by Politan Capital Management LP et
al.

       Introduction , page 2

   1.                                                   Refer to the following
statement in the second to last paragraph on page 2 of the proxy
                                                        statement: "Your vote
to elect the Politan Nominees will have the legal effect of replacing
                                                        two incumbent directors
of the Company." Revise to clarify that such legal effect will
                                                        result only if the
Politan Nominees receive sufficient votes to be elected to the Board.
   2.                                                   Refer to footnote 1 on
page 2, in which the Politan Parties undertake to file revised proxy
                                                        materials with the SEC
once the Company provides certain information in its own proxy
                                                        statement. Revise to
undertake to disseminate your supplemental proxy materials in the
                                                        same manner as the
initial proxy statement.
   3.                                                   Significant portions of
the information required by Schedule 14A have been omitted from
 Quentin Koffey
FirstName  LastNameQuentin  Koffey
Politan Capital Management LP
Comapany
May        NamePolitan Capital Management LP
     10, 2023
May 10,
Page  2 2023 Page 2
FirstName LastName
         the proxy statement in anticipation of the Company filing its own
proxy statement. This
         includes information such as the identity of the Company's nominees
and the specific
         proposals to be voted on at the annual meeting, along with Politan's
voting
         recommendations on such matters. Please revise the preliminary proxy
statement to
         include such information as it becomes available.
Background of the Solicitation, page 6

4.       Each statement or assertion of opinion or belief must be clearly
characterized as such, and
         a reasonable factual basis must exist for such opinion or belief.
Support for any such
         opinions or beliefs should be self-evident or disclosed in the
soliciting materials. Please
         generally revise the disclosure throughout the proxy statement
accordingly. Some
         examples of opinions presented as fact that should be recharacterized
and/or supported
         include the following:

                   [T]he Bylaw Amendments imposed     unprecedented disclosure
requirements on
              nominating Stockholders that are investment funds       (page 6)
                    Our nominees will provide     fresh thinking and
Stockholder alignment.    (page 14)
                   [T]he Company has taken measures to     prevent meaningful
change in the policies
              and practices that can put the Company on a path to maximize
value for all
              Stockholders.    (page 14)
5.       We note the following statement on page 13 of the proxy statement:
"The Nomination
         and Proposal Notice also included a proposal to approve the repeal of
each provision of,
         or amendment to, the Company   s Bylaws that the Board adopted without
the approval of
         Stockholders subsequent to February 5, 2023, which is the date of the
most recent publicly
         available amendment and restatement of the Bylaws, and up to and
including the date of
         the 2023 Annual Meeting." Our understanding from disclosure elsewhere
in the proxy
         statement is that the proposal is to approve the repeal of bylaw
amendments adopted after
         April 20, 2023, rather than February 5, 2023. Please revise or advise.
Reasons for the Solicitation, page 14

6.       Revise generally to explain what specific changes your nominees will
attempt to institute
         at the Company if one or more is elected to the Board.
Proposal One: Election of Directors, page 15

7.       Provide dates for all of the positions held by Quentin Koffey listed
on page 16 of the
         proxy statement.
Voting and Proxy Procedures, page 26

8.       Given that shareholders may vote for the nominees of either soliciting
party on either
         proxy card, revise to explain what you mean by the following
statement:    We believe the
         best opportunity for both of the Politan Nominees to be elected is by
voting on the BLUE
 Quentin Koffey
FirstName  LastNameQuentin  Koffey
Politan Capital Management LP
Comapany
May        NamePolitan Capital Management LP
     10, 2023
May 10,
Page  3 2023 Page 3
FirstName LastName
         universal proxy card.
9.       We note the bold-faced disclosure here that if a shareholder marks
more than two "FOR"
         boxes with respect to nominees for election as director, that
shareholder's vote on this
         proposal will be invalidated. Expand to state the treatment of proxies
that vote "FOR"
         only one nominee. See Rule 14a-19(e)(7).
10.      Explain in the proxy statement what Politan will do with proxies
received containing votes
         for the Company's nominees or on matters other than the election of
directors if
         Politan abandons its solicitation.
Votes Required for Approval, page 27

11.      We note your disclosure that the approval of proposals three, four and
seven    is expected
         to require the affirmative vote of the holders of a majority of the
shares present or
         represented by proxy and voting at the 2023 Annual Meeting,    and the
approval
         of proposal five    is expected to require the affirmative vote of a
plurality of the shares
         present or represented by proxy and voting at the 2023 Annual Meeting.
   However,
         Section 7(6) of the Bylaws states that    [e]xcept as otherwise
provided by law, the
         Amended and Restated Certificate of Incorporation of the Corporation,
or these Bylaws,
         all matters other than the election of directors shall be determined
by a majority of the
         votes cast affirmatively or negatively.    Please revise or advise.
Solicitation of Proxies, page 29

12.      We note the disclosure here that the terms of engagement with D.F.
King provide that
         Politan may "in its discretion, agree to pay an additional success fee
to D.F. King in an
         amount to be determined by Politan." Please clarify whether the
$4,000,000 figure for the
         costs of this solicitation included in the last paragraph on page 29
includes this additional
         amount that may be paid. In addition, revise to state the criteria
upon which Politan will
         make the determination whether to pay such additional amount, and
provide a ceiling or a
         range for the additional amount that may be paid (if not included in
the $4,000,000
         figure). See Item 4 of Schedule 14A.
13.      Refer to the last paragraph on page 29. State the amount of the legal
fees and other costs
         incurred by the Politan Parties in connection with its litigation with
the Company, and for
         which it will seek reimbursement from the Company. Note whether
additional legal fees
         are being incurred in the litigation. In addition, we note your
reference to the defined term
         "Court of Chancery Litigation," but you do not define that term.
Stockholder Nominations and Proxy Access, page 31

14.      Refer to the second to last paragraph in this section on page 31. It
is not clear whether the
         Company's own advance notice provisions require shareholders to
provide all of the
         information to be provided in the notice required by Rule 14a-19(b).
Please revise to
         disclose the deadline in Rule 14a-19(b)(1) for providing the
information specified in Rule
 Quentin Koffey
Politan Capital Management LP
May 10, 2023
Page 4
         14a-19(b)(2) and (3).
Proxy Card, page 33

15.      The proxy card included with the preliminary proxy statement should be
clearly identified
         as a preliminary version. Refer to Exchange Act Rule 14a-6(e)(1).
Please revise.
        We remind you that the filing persons are responsible for the accuracy
and adequacy of
their disclosures, notwithstanding any review, comments, action or absence of
action by the staff.

      Please direct any questions to Christina Chalk at (202) 551-3263 or Blake
Grady at (202)
551-8573.



FirstName LastNameQuentin Koffey                             Sincerely,
Comapany NamePolitan Capital Management LP
                                                             Division of
Corporation Finance
May 10, 2023 Page 4                                          Office of Mergers
& Acquisitions
FirstName LastName
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