Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * BX Mozart ML-1 Holdco L.P. 2. Date of Event Requiring Statement (Month/Day/Year) 01/16/2026 3. Issuer Name and Ticker or Trading Symbol Medline Inc. [MDLN] (Last) (First) (Middle) C/O BLACKSTONE INC., 345 PARK AVENUE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) NEW YORK, NY 10154 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Class A Common Stock 125,729,322 I See Footnotes(1)(3)(5)(8)(9) Class A Common Stock 10,185 I See Footnotes(2)(4)(5)(8)(9) Class B Common Stock 62,871,125(6) I See Footnotes(2)(3)(5)(8)(9)

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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Common Units of Medline Holdings, LP	(7)	(7)	Class A Common Stock	62,871,125	(7)	I	See Footnotes(2)(3)(5)(8)(9)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BX Mozart ML-1 Holdco L.P. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK, NY 10154		X
BX Mozart ML-2 Holdco L.P. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK, NY 10154		X
BX Mozart ML-1 Holdco GP L.L.C. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK, NY 10154		X
BX Mozart ML-2 Holdco GP L.L.C. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK, NY 10154		X

Signatures

BX MOZART ML-1 HOLDCO L.P. By: BX Mozart ML-1 Holdco GP L.L.C., its general partner, By: /s/ Robert Brooks Name: Robert Brooks, Title: Vice President		01/26/2026
**Signature of Reporting Person		Date
BX MOZART ML-2 HOLDCO L.P. By: BX Mozart ML-2 Holdco GP L.L.C., its general partner, By: /s/ Robert Brooks Name: Robert Brooks, Title: Vice President		01/26/2026
**Signature of Reporting Person		Date
BX MOZART ML-1 HOLDCO GP L.L.C. By: /s/ Robert Brooks Name: Robert Brooks, Title: Vice President		01/26/2026
**Signature of Reporting Person		Date
BX MOZART ML-2 HOLDCO GP L.L.C. By: /s/ Robert Brooks Name: Robert Brooks, Title: Vice President		01/26/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On January 16, 2026, Mozart Aggregator II LP contributed 125,729,322 shares of Class A Common Stock (the "Class A Common Stock") of Medline Inc. ("Issuer") previously held directly by it to its wholly-owned subsidiary BX Mozart ML-2 Holdco L.P. No securities of the Issuer were purchased, sold or otherwise transferred in connection with the contributions described herein. Reporting Persons have agreed to be bound in writing by the restrictions set forth in the Lock Up Agreement entered into by and among Blackstone Inc. and its affiliates and the underwriters.
(2)	On January 16, 2026, BCP Mozart Aggregator L.P. contributed 10,185 shares of Class A Common Stock of the Issuer, 62,871,125 shares of Class B common stock ("Class B Common Stock") of the Issuer and 62,871,125 common units of Medline Holdings, L.P. ("Common Units") previously held directly by it to its wholly-owned subsidiary BX Mozart ML-1 Holdco L.P. No securities of the Issuer were purchased, sold or otherwise transferred in connection with the contributions described herein. Reporting Persons have agreed to be bound in writing by the restrictions set forth in the Lock Up Agreement entered into by and among Blackstone Inc. and its affiliates and the underwriters.
(3)	Reflects securities of the Issuer held directly by BX Mozart ML-2 Holdco L.P. BX Mozart ML-2 Holdco GP L.L.C. is the general partner of BX Mozart ML-2 Holdco L.P. Mozart Aggregator II L.P. is the sole limited partner of BX Mozart ML-2 Holdco L.P. and the sole member of BX Mozart ML-2 Holdco GP L.L.C. Blackstone Management Associates VIII L.P. is the general partner of Mozart Aggregator II LP. BMA VIII L.L.C. is the general partner of Blackstone Management Associates VIII L.P.
(4)	Reflects securities of the Issuer held directly by BX Mozart ML-1 Holdco L.P. BX Mozart ML-1 Holdco GP L.L.C. is the general partner of BX Mozart ML-2 Holdco L.P. BCP Mozart Aggregator L.P. is the sole limited partner of BX Mozart ML-1 Holdco L.P. and the sole member of BX Mozart ML-1 Holdco GP L.L.C. BCP 8 Holdings Mozart Manager L.L.C. is the general partner of BCP Mozart Aggregator L.P. BMA VIII L.L.C. is the managing member of BCP 8 Holdings Mozart Manager L.L.C.
(5)	Blackstone Holdings II L.P. is the managing member of BMA VIII L.L.C. Blackstone Holdings I/II GP L.L.C. is the general partner of Blackstone Holdings II L.P. Blackstone Inc. is the sole member of Blackstone Holdings I/II GP L.L.C. The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman.
(6)	Shares of Class B Common Stock have no economic value and have one vote per share. One share of Class B Common Stock is issued for each Common Unit held. Upon an exchange of Common Units for shares of Class A Common Stock, an equivalent number of shares of Class B Common Stock held by such holder will be automatically cancelled.
(7)	Pursuant to the terms of an exchange agreement, dated as of December 16, 2025, holders have the right to exchange their Common Units for shares of Class A Common Stock on a one-for-one basis, subject to customary conversion rate adjustments for stock splits, stock dividends and reclassifications. These exchange rights do not expire.
(8)	Each such Reporting Person may be deemed to beneficially own the securities of the Issuer directly held by BX Mozart ML-1 Holdco L.P. and BX Mozart ML-2 Holdco L.P. directly or indirectly controlled by it or him, but each (other than BX Mozart ML-1 Holdco L.P. and BX Mozart ML-2 Holdco L.P. to the extent of their respective direct holdings) disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that any of the Reporting Persons (other than BX Mozart ML-1 Holdco L.P. and BX Mozart ML-2 Holdco L.P. to the extent each directly holds securities of the Issuer) is the beneficial owner of such securities for purposes of Section 16 or any other purpose.
(9)	Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

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