Morgan Stanley (NYSE: ATR) discloses 6.1% beneficial stake in AptarGroup

Rhea-AI Filing Summary

Morgan Stanley has disclosed a significant passive stake in AptarGroup, Inc. (ATR). As of 12/31/2025, Morgan Stanley reports beneficial ownership of 4,019,724 shares of AptarGroup common stock, representing 6.1% of the outstanding class.

The firm reports no sole voting or dispositive power. It has shared voting power over 3,688,486 shares and shared dispositive power over 3,885,398 shares. Morgan Stanley certifies that these securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of AptarGroup. This filing is Amendment No. 10 to its Schedule 13G.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 10)

APTARGROUP, INC.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

038336103

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 038336103

1

Names of Reporting Persons

Morgan Stanley

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 3,688,486.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,885,398.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,019,724.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.1 %

12

Type of Reporting Person (See Instructions)

HC, CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: APTARGROUP, INC.
(b)	Address of issuer's principal executive offices: 265 EXCHANGE DRIVE, SUITE 301, CRYSTAL LAKE, IL, 60014
Item 2.
(a)	Name of person filing: Morgan Stanley
(b)	Address or principal business office or, if none, residence: 1585 Broadway, New York, NY 10036
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 038336103
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:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-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 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: See the response(s) to Item 9 on the attached cover page(s).
(b)	Percent of class: 6.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s).
	(ii) Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s).
	(iii) Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s).
	(iv) Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s).
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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 acquired and are held in the ordinary course of business and 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. * In Accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned, or that may be deemed to be beneficially owned, by certain operating units (collectively, the "MS Reporting Units") of Morgan Stanley and its subsidiaries and affiliates (collectively, "MS"). This filing does not reflect securities, if any, beneficially owned by any operating units of MS whose ownership of securities is disaggregated from that of the MS Reporting Units in accordance with the Release.

SIGNATURE

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.

Morgan Stanley

Signature:	Christopher O'Hara
Name/Title:	Authorized Signatory, Morgan Stanley
Date:	02/11/2026

FAQ

What stake does Morgan Stanley report in AptarGroup (ATR) in this Schedule 13G/A?

Morgan Stanley reports beneficial ownership of 4,019,724 shares of AptarGroup common stock, representing 6.1% of the class as of December 31, 2025. This level of ownership makes Morgan Stanley a significant institutional holder under SEC beneficial ownership rules.

Is Morgan Stanley’s AptarGroup (ATR) position reported as passive or control-seeking?

Morgan Stanley certifies the AptarGroup shares were acquired and are held in the ordinary course of business, not to change or influence control of the issuer. The filing states they are not held in connection with any transaction intended to affect control, consistent with a passive Schedule 13G stance.

How much voting power does Morgan Stanley have over its AptarGroup (ATR) shares?

Morgan Stanley reports no sole voting power and shared voting power over 3,688,486 AptarGroup shares. This means voting decisions for those shares are shared with others, reflecting typical institutional arrangements rather than unilateral control over those positions.

What level of dispositive power does Morgan Stanley report over AptarGroup (ATR) stock?

Morgan Stanley reports no sole dispositive power and shared dispositive power over 3,885,398 AptarGroup shares. Shared dispositive power means the firm participates in decisions to sell or otherwise dispose of these shares together with other parties, rather than acting alone.

What is the significance of Amendment No. 10 to Morgan Stanley’s AptarGroup (ATR) Schedule 13G?

Amendment No. 10 updates Morgan Stanley’s previously reported beneficial ownership in AptarGroup common stock. It restates that certain Morgan Stanley operating units collectively hold 4,019,724 shares, or 6.1% of the class, while excluding other units whose holdings are disaggregated under SEC guidance.

Who signed the Morgan Stanley Schedule 13G/A for AptarGroup (ATR)?

The Schedule 13G/A for AptarGroup was signed by Christopher O’Hara as Authorized Signatory for Morgan Stanley on February 11, 2026. The signature certifies that, after reasonable inquiry, the information in the statement is true, complete, and correct to the best of his knowledge.