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Blackstone entities hold 187,083,713 shares of Medline (MDLN)

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(Neutral)
Form Type
SCHEDULE 13G/A

Rhea-AI Filing Summary

Medline Inc. reporting persons led by Blackstone-related entities disclosed beneficial ownership of 187,083,713 shares of Class A Common Stock as of March 31, 2026. The filing shows largest single reported holdings of 109,250,239 shares by BX Mozart ML-2 Holdco L.P. and an aggregate stake representing 20.6% of Class A shares based on 845,611,435 shares outstanding as of March 10, 2026.

The statement describes ownership through multiple Blackstone affiliates and related entities, explains conversion rights of Common Units into Class A shares one-for-one, and disclaims admission of beneficial ownership by certain reporting persons. Signatures and a joint filing agreement are included.

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Aggregate beneficial ownership 187,083,713 shares as of March 31, 2026
Percent of class 20.6% based on 845,611,435 shares outstanding as of March 10, 2026
BX Mozart ML-2 Holdco L.P. direct holdings 109,250,239 shares reported direct holding in Item 4(a)
Blackstone Management Associates VIII L.P. direct holdings 124,186,624 shares reported on cover rows as sole dispositive power
Shares outstanding used for percent calc 845,611,435 shares as of March 10, 2026, per issuer's Final Prospectus
BX Mozart ML-1 Holdco L.P. direct holdings 54,639,587 shares reported direct holding on cover page
Common Units financial
"holders have the right to exchange their Common Units for shares of the Class A Common Stock"
Common units are the basic ownership stakes in a company, limited partnership, or trust that function like common stock: they give holders a claim on profits and often voting rights. Think of them as the ordinary seats at a table—the most directly affected by the business’s success or failure, so they typically offer higher upside but carry greater risk than preferred claims or creditors, which matters to investors evaluating potential return and safety.
Class B Common Stock financial
"Shares of the Class B Common Stock have no economic value and have one vote per share"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
beneficially own regulatory
"As of March 31, 2026, the Reporting Persons may be deemed to beneficially own an aggregate"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
Rule 13d-3 regulatory
"calculated pursuant to Rule 13d-3 of the Act"
Rule 13d-3 defines who is treated as the beneficial owner of a company’s shares for U.S. securities disclosure rules — essentially anyone who has the power to vote or direct how shares are voted, or the power to buy or sell them, even if they don’t hold the certificates. For investors this matters because crossing certain ownership thresholds triggers public filing and disclosure obligations and signals potential control or influence, much like having the keys to a car implies you can drive it even if it’s registered to someone else.
exchange agreement legal
"pursuant to the terms of an exchange agreement, dated as of December 16, 2025"
A written deal in which two parties agree to swap assets, securities or obligations under set terms—think of it as a formal swap or trade contract. For investors it matters because such agreements can change who owns what, alter a company’s capital structure, affect future cash flows or dilute existing shares, and therefore influence value and risk in a straightforward, contract-driven way.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

How many Medline (MDLN) Class A shares do Blackstone reporting persons beneficially own?

They beneficially own 187,083,713 shares of Medline Class A Common Stock. This aggregate is reported as of March 31, 2026 and is drawn from individual cover-page holdings listed in the filing.

What percent of Medline's Class A stock does 187,083,713 shares represent?

187,083,713 shares represent 20.6% of Class A Common Stock. The percentage is calculated using 845,611,435 shares outstanding as of March 10, 2026, per the filing.

Which Blackstone entity holds the largest single reported position in Medline?

BX Mozart ML-2 Holdco L.P. directly holds 109,250,239 shares of Class A Common Stock. That holding is listed on the filing cover page and repeated in Item 4(a).

Do Common Units convert into Class A shares in this filing?

Yes. Holders of Common Units have the right to exchange Common Units for Class A Common Stock on a one-for-one basis. The exchange rights do not expire, per the filing.

Does the filing admit that all Reporting Persons are beneficial owners of the shares?

No. The filing states some Reporting Persons expressly disclaim beneficial ownership of certain shares and clarifies that the filing is not an admission under Section 13(d) of the Act.





58507V107

(CUSIP Number)
03/31/2026

(Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




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BX Mozart ML-2 Holdco L.P.
Signature:/s/ Robert Brooks
Name/Title:By: BX Mozart ML-2 Holdco GP L.L.C., its GP, By: Robert Brooks, Vice President
Date:05/01/2026
BX Mozart ML-1 Holdco L.P.
Signature:/s/ Robert Brooks
Name/Title:By: BX Mozart ML-1 Holdco GP L.L.C., its GP, By: Robert Brooks, Vice President
Date:05/01/2026
Mozart Aggregator II UNLV Holdco L.P.
Signature:/s/ Robert Brooks
Name/Title:By: Blackstone Management Associates VIII L.P., its GP, By: BMA VIII L.L.C., its GP, By: Robert Brooks, Authorized Signatory
Date:05/01/2026
Mozart Aggregator UNLV Holdco L.P.
Signature:/s/ Robert Brooks
Name/Title:By: BCP 8 Holdings Mozart Manager L.L.C., its general partner, By: BMA VIII L.L.C., its MM, By: Robert Brooks, Authorized Signatory
Date:05/01/2026
Mozart Aggregator II LP
Signature:/s/ Robert Brooks
Name/Title:By: Blackstone Management Associates VIII L.P., its GP, By: BMA VIII L.L.C., its GP, By: Robert Brooks, Authorized Signatory
Date:05/01/2026
BX Mozart ML-2 Holdco GP L.L.C.
Signature:/s/ Robert Brooks
Name/Title:Robert Brooks, Vice President
Date:05/01/2026
BX Mozart ML-1 Holdco GP L.L.C.
Signature:/s/ Robert Brooks
Name/Title:Robert Brooks, Vice President
Date:05/01/2026
BCP Mozart Aggregator L.P.
Signature:/s/ Robert Brooks
Name/Title:By: BCP 8 Holdings Mozart Manager L.L.C., its general partner, By: BMA VIII L.L.C., its managing member, By: Robert Brooks, Authorized Signatory
Date:05/01/2026
Blackstone Management Associates VIII L.P.
Signature:/s/ Christopher Striano
Name/Title:By: BMA VIII L.L.C., its general partner, By: Robert Brooks, Authorized Signatory
Date:05/01/2026
BCP 8 Holdings Mozart Manager L.L.C.
Signature:/s/ Christopher Striano
Name/Title:By: BMA VIII L.L.C., its managing member, By: Christopher Striano, Senior Managing Director and Chief Operating Officer of Global Finance
Date:05/01/2026
BMA VIII L.L.C.
Signature:/s/ Christopher Striano
Name/Title:Christopher Striano, Senior Managing Director and Chief Operating Officer of Global Finance
Date:05/01/2026
Blackstone Holdings II L.P.
Signature:/s/ Victoria Portnoy
Name/Title:By: Blackstone Holdings I/II GP L.L.C., its general partner, By: Victoria Portnoy, Managing Director - Assistant Secretary
Date:05/01/2026
Blackstone Holdings I/II GP L.L.C.
Signature:/s/ Victoria Portnoy
Name/Title:Victoria Portnoy, Managing Director - Assistant Secretary
Date:05/01/2026
Blackstone Inc.
Signature:/s/ Victoria Portnoy
Name/Title:Victoria Portnoy, Managing Director - Assistant Secretary
Date:05/01/2026
Blackstone Group Management L.L.C.
Signature:/s/ Victoria Portnoy
Name/Title:Victoria Portnoy, Managing Director - Assistant Secretary
Date:05/01/2026
Stephen A. Schwarzman
Signature:/s/ Stephen A. Schwarzman
Name/Title:Stephen A. Schwarzman
Date:05/01/2026
Exhibit Information

EXHIBIT LIST Exhibit 99.1 Joint Filing Agreement, by and among the Reporting Persons, dated as of May 1, 2026.