ATAC Altimar Acquisition Corporation

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

Blue Owl Capital Inc.

(Name of Issuer)

Class A Common Stock, par value $0.0001 per share

(Title of Class of Securities)

09581B103

(CUSIP Number)

March 8, 2023

(Date of Event Which Requires Filing of this Statement)

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

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: 09581B103

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CUSIP: 09581B103

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CUSIP: 09581B103

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Item 1(a). Name of Issuer: Blue Owl Capital Inc. (the “Issuer”)

Item 1(b). Address of Issuer’s Principal Executive Officers: 399 Park Avenue, 38th Floor, New York, NY 10022

Item 2(a). Name of Person Filing:

Koch Companies Defined Benefit Master Trust (“Koch Pension”)

Koch Industries, Inc. (“Koch Industries”)

(Each a “Reporting Person,” and collectively, the “Reporting Persons”).

The principal business office for each Reporting Person filing is:

4111 E. 37^th Street North

Wichita, KS 67220

Item 2(c). Citizenship: See Item 4 of each cover page.

Item 2(d).Title of Class of Securities: Class A Common Stock, par value $0.0001 per share (the “Public Shares”)

Item 2(e).CUSIP No.: 09581B103.

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: Not applicable.

Item 4. Ownership.

(a) Amount beneficially owned: See Item 9 of each cover page.

(b) Percent of class: See Item 11 of each cover page. Calculated using 445,556,284 Public Shares outstanding as of February 22, 2023, as reported in the Annual Report on Form 10-K filed by the Issuer on February 27, 2023.

(c) Number of shares as to which the person has:

Koch Industries may be deemed to beneficially own the Public Shares held by KFA by virtue of Koch Industries’ 100% ownership of KFA. Koch Industries may be deemed to beneficially own the Public Shares held by the Koch Pension by virtue of the involvement of certain of Koch Industries’ employees on Koch Pension’s investment committee.

The filing of this Amendment No. 1 to Schedule 13G shall not be construed as an admission that Koch Industries is, for purposes of Sections 13(d) or 13(g) of the Exchange Act, the beneficial owner of any Public Shares beneficially owned by the Koch Pension and covered by this Amendment No. 1 to Schedule 13G. Koch Industries disclaims beneficial ownership of the Public Shares beneficially owned by the Koch Pension.

The Reporting Persons do not admit that they constitute a group. Each of the Reporting Persons declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purpose of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the issuer or otherwise with respect to the issuer or any securities of the issuer or (ii) a member of any group with respect to the issuer or any securities of the issuer.

CUSIP: 09581B103

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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.

Not applicable.

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. Certifications.

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, other than activities solely in connection with a nomination under §240.14a-11.

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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: March 13, 2023